{"id":12453,"date":"2024-12-23T06:02:07","date_gmt":"2024-12-23T06:02:07","guid":{"rendered":"https:\/\/www.intensiv-filter-himenviro.com\/?p=12453"},"modified":"2025-07-07T16:51:07","modified_gmt":"2025-07-07T16:51:07","slug":"qua-trinh-khu-luu-huynh-khi-thai-fgd-cac-loai-loi-ich-va-xu-huong-tuong-lai","status":"publish","type":"case-study","link":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/nghien-cuu-truong-hop\/qua-trinh-khu-luu-huynh-khi-thai-fgd-cac-loai-loi-ich-va-xu-huong-tuong-lai\/","title":{"rendered":"Kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i (FGD): Quy tr\u00ecnh, lo\u1ea1i, l\u1ee3i \u00edch v\u00e0 xu h\u01b0\u1edbng t\u01b0\u01a1ng lai"},"content":{"rendered":"Gi\u1edbi thi\u1ec7u v\u1ec1 kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i (FGD)<\/b><\/h2>\n
Kh\u1eed l\u01b0u hu\u1ef3nh trong kh\u00ed th\u1ea3i (FGD) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 quan tr\u1ecdng gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i l\u01b0u hu\u1ef3nh \u0111ioxit (SO\u2082) t\u1eeb c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n. Kh\u00ed th\u1ea3i SO\u2082 c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. Ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra m\u01b0a axit, ph\u00e1 h\u1ee7y r\u1eebng, h\u1ed3 v\u00e0 c\u00e1c t\u00f2a nh\u00e0. SO\u2082 c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c b\u1ec7nh v\u1ec1 \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p, khi\u1ebfn con ng\u01b0\u1eddi kh\u00f3 th\u1edf. C\u00e1c h\u1ec7 th\u1ed1ng FGD \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u00fap c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/span><\/p>\n\n- H\u1ec7 th\u1ed1ng FGD gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i SO\u2082, gi\u00fap b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/span><\/li>\n
- Ch\u00fang l\u00e0m gi\u1ea3m nguy c\u01a1 x\u1ea3y ra m\u01b0a axit - t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i cho thi\u00ean nhi\u00ean.<\/span><\/li>\n
- H\u1ec7 th\u1ed1ng FGD c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed cho c\u1ed9ng \u0111\u1ed3ng l\u00e2n c\u1eadn.<\/span><\/li>\n
- H\u1ecd gi\u00fap c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p tu\u00e2n th\u1ee7 lu\u1eadt ph\u00e1p v\u00e0 quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng.<\/span><\/li>\n
- C\u00f4ng ngh\u1ec7 FGD c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a nh\u00e0 m\u00e1y \u0111i\u1ec7n.<\/span><\/li>\n<\/ul>\n
Qu\u00e1 tr\u00ecnh kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/b><\/h2>\n
Qu\u00e1 tr\u00ecnh kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i (FGD) gi\u00fap l\u00e0m s\u1ea1ch c\u00e1c kh\u00ed ph\u00e1t sinh t\u1eeb qu\u00e1 tr\u00ecnh \u0111\u1ed1t nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0m gi\u1ea3m l\u01b0u hu\u1ef3nh \u0111ioxit (SO\u2082), m\u1ed9t ch\u1ea5t g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng. Qu\u00e1 tr\u00ecnh FGD c\u00f3 nhi\u1ec1u giai \u0111o\u1ea1n, bao g\u1ed3m c\u1ea3 qu\u00e1 tr\u00ecnh r\u1eeda v\u00e0 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/span><\/p>\nTrong quy tr\u00ecnh FGD, b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 l\u00e0m s\u1ea1ch kh\u00ed. B\u01b0\u1edbc n\u00e0y bao g\u1ed3m vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u1ecfi kh\u00ed th\u1ea3i. Kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a qua qu\u00e1 tr\u00ecnh ch\u00e0 r\u1eeda, t\u1ea1i \u0111\u00f3 n\u00f3 \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi ch\u1ea5t l\u1ecfng ho\u1eb7c ch\u1ea5t r\u1eafn. B\u01b0\u1edbc n\u00e0y gi\u00fap thu \u0111\u01b0\u1ee3c nhi\u1ec1u SO\u2082 h\u01a1n. C\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u0169ng x\u1ea3y ra trong c\u00e1c giai \u0111o\u1ea1n n\u00e0y. C\u00e1c ph\u1ea3n \u1ee9ng n\u00e0y gi\u00fap chuy\u1ec3n SO\u2082 th\u00e0nh c\u00e1c ch\u1ea5t kh\u00e1c kh\u00f4ng g\u00e2y h\u1ea1i.<\/span><\/p>\nH\u1ec7 th\u1ed1ng FGD \u01b0\u1edbt<\/b>
\n<\/span>H\u1ec7 th\u1ed1ng FGD \u01b0\u1edbt s\u1eed d\u1ee5ng n\u01b0\u1edbc \u0111\u1ec3 l\u00e0m s\u1ea1ch kh\u00ed. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0y:<\/span><\/p>\n\n- Kh\u00ed th\u1ea3i \u0111i v\u00e0o m\u00e1y l\u1ecdc.<\/span><\/li>\n
- N\u01b0\u1edbc phun v\u00e0o b\u1ed9 ph\u1eadn ch\u00e0 r\u1eeda.<\/span><\/li>\n
- Kh\u00ed h\u00f2a l\u1eabn v\u1edbi n\u01b0\u1edbc.<\/span><\/li>\n
- N\u01b0\u1edbc gi\u1eef l\u1ea1i SO\u2082.<\/span><\/li>\n
- Kh\u00ed s\u1ea1ch s\u1ebd tho\u00e1t ra kh\u1ecfi b\u1ed9 l\u1ecdc.<\/span><\/li>\n<\/ul>\n
H\u1ec7 th\u1ed1ng FGD \u01b0\u1edbt c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf h\u01a1n 90% SO\u2082. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n v\u00ec ch\u00fang r\u1ea5t hi\u1ec7u qu\u1ea3.<\/span><\/p>\nH\u1ec7 th\u1ed1ng FGD kh\u00f4<\/b>
\n<\/span>H\u1ec7 th\u1ed1ng FGD kh\u00f4 s\u1eed d\u1ee5ng ch\u1ea5t h\u1ea5p th\u1ee5 kh\u00f4 thay v\u00ec n\u01b0\u1edbc. Sau \u0111\u00e2y l\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3:<\/span><\/p>\n\n- Kh\u00ed th\u1ea3i \u0111i v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng.<\/span><\/li>\n
- M\u1ed9t v\u1eadt li\u1ec7u kh\u00f4 nh\u01b0 v\u00f4i \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/span><\/li>\n
- Kh\u00ed v\u00e0 ch\u1ea5t h\u1ea5p th\u1ee5 h\u00f2a tr\u1ed9n v\u1edbi nhau.<\/span><\/li>\n
- Ch\u1ea5t h\u1ea5p th\u1ee5 s\u1ebd thu gi\u1eef SO\u2082.<\/span><\/li>\n
- Kh\u00ed s\u1ea1ch s\u1ebd tho\u00e1t ra kh\u1ecfi l\u00f2 ph\u1ea3n \u1ee9ng.<\/span><\/li>\n<\/ul>\n
H\u1ec7 th\u1ed1ng FGD kh\u00f4 d\u1ec5 v\u1eadn h\u00e0nh h\u01a1n. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong c\u00e1c nh\u00e0 m\u00e1y nh\u1ecf h\u01a1n nh\u01b0ng th\u01b0\u1eddng lo\u1ea1i b\u1ecf kho\u1ea3ng 80% SO\u2082.<\/span><\/p>\nH\u1ec7 th\u1ed1ng FGD b\u00e1n kh\u00f4<\/b>
\n<\/span>H\u1ec7 th\u1ed1ng FGD b\u00e1n kh\u00f4 l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa h\u1ec7 th\u1ed1ng \u01b0\u1edbt v\u00e0 kh\u00f4. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0y:<\/span><\/p>\n\n- Kh\u00ed th\u1ea3i \u0111i v\u00e0o m\u00e1y l\u1ecdc.<\/span><\/li>\n
- M\u1ed9t l\u01b0\u1ee3ng nh\u1ecf n\u01b0\u1edbc phun v\u00e0o.<\/span><\/li>\n
- M\u1ed9t ch\u1ea5t h\u1ea5p th\u1ee5 kh\u00f4 c\u0169ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/span><\/li>\n
- N\u01b0\u1edbc gi\u00fap ch\u1ea5t h\u1ea5p th\u1ee5 thu gi\u1eef SO\u2082.<\/span><\/li>\n
- Kh\u00ed s\u1ea1ch s\u1ebd tho\u00e1t ra kh\u1ecfi b\u1ed9 l\u1ecdc.<\/span><\/li>\n<\/ul>\n
H\u1ec7 th\u1ed1ng FGD b\u00e1n kh\u00f4 c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf kho\u1ea3ng 90% SO\u2082. Ch\u00fang linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u b\u1ed1i c\u1ea3nh.<\/span><\/p>\nM\u1ed7i h\u1ec7 th\u1ed1ng FGD \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m m\u1ea1nh ri\u00eang. H\u1ec7 th\u1ed1ng \u01b0\u1edbt l\u00e0 t\u1ed1t nh\u1ea5t cho t\u1ef7 l\u1ec7 lo\u1ea1i b\u1ecf cao, trong khi h\u1ec7 th\u1ed1ng kh\u00f4 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n. H\u1ec7 th\u1ed1ng b\u00e1n kh\u00f4 cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa hai h\u1ec7 th\u1ed1ng.<\/span><\/p>\nT\u1ea7m quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng FGD trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n<\/b><\/h2>\n
H\u1ec7 th\u1ed1ng FGD r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m ph\u00e1t th\u1ea3i t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nhi\u1ec7t. Ch\u00fang gi\u00fap gi\u1ea3m kh\u00ed \u0111\u1ed9c h\u1ea1i th\u1ea3i ra kh\u00f4ng kh\u00ed. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o vi\u1ec7c lo\u1ea1i b\u1ecf l\u01b0u hu\u1ef3nh \u0111ioxit (SO\u2082), m\u1ed9t ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ch\u00ednh.<\/span><\/p>\nH\u1ec7 th\u1ed1ng FGD c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c gi\u1ea3m ph\u00e1t th\u1ea3i cao. Ch\u00fang c\u00f3 th\u1ec3 gi\u1ea3m ph\u00e1t th\u1ea3i SO\u2082 l\u00ean \u0111\u1ebfn 90%. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 gi\u00fap c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed. Nhi\u1ec1u qu\u1ed1c gia \u0111\u00e3 \u0111\u1eb7t ra c\u00e1c gi\u1edbi h\u1ea1n nghi\u00eam ng\u1eb7t v\u1ec1 l\u01b0\u1ee3ng SO\u2082 c\u00f3 th\u1ec3 th\u1ea3i ra. H\u1ec7 th\u1ed1ng FGD gi\u00fap c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nhi\u1ec7t d\u1ec5 d\u00e0ng tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc n\u00e0y h\u01a1n.<\/span><\/p>\nSau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec3m ch\u00ednh v\u1ec1 h\u1ec7 th\u1ed1ng FGD:<\/b><\/p>\n\n- Ch\u00fang gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i SO\u2082 l\u00ean t\u1edbi 90%.<\/span><\/li>\n
- H\u1ecd gi\u00fap c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nhi\u1ec7t \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/span><\/li>\n
- Tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh gi\u00fap b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/span><\/li>\n
- H\u1ec7 th\u1ed1ng FGD c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed cho c\u1ed9ng \u0111\u1ed3ng l\u00e2n c\u1eadn.<\/span><\/li>\n<\/ul>\n
S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng FGD l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nhi\u1ec7t. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1eaft gi\u1ea3m \u00f4 nhi\u1ec5m v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n.<\/span><\/p>\nC\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i<\/b><\/h2>\n
H\u1ec7 th\u1ed1ng kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i (FGD) gi\u00fap lo\u1ea1i b\u1ecf kh\u00ed \u0111\u1ed9c h\u1ea1i kh\u1ecfi kh\u00ed th\u1ea3i c\u00f4ng nghi\u1ec7p. C\u00f3 ba lo\u1ea1i h\u1ec7 th\u1ed1ng FGD ch\u00ednh: FGD \u01b0\u1edbt, FGD kh\u00f4 v\u00e0 FGD b\u00e1n kh\u00f4. M\u1ed7i lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau v\u00e0 c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang.<\/span><\/p>\n\n\n\n| Lo\u1ea1i h\u1ec7 th\u1ed1ng FGD<\/b><\/td>\n | C\u01a1 ch\u1ebf<\/b><\/td>\n | Thu\u1eadn l\u1ee3i<\/b><\/td>\n | Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/td>\n | T\u1ed1t nh\u1ea5t cho<\/b><\/td>\n<\/tr>\n\n| FGD \u01b0\u1edbt<\/span><\/td>\n | S\u1eed d\u1ee5ng ch\u00e0 r\u1eeda<\/span><\/td>\n | Hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf cao<\/span><\/td>\n | C\u1ea7n kh\u00f4ng gian l\u1edbn<\/span><\/td>\n | Nh\u00e0 m\u00e1y \u0111i\u1ec7n<\/span><\/td>\n<\/tr>\n\n| FGD kh\u00f4<\/span><\/td>\n | S\u1eed d\u1ee5ng ch\u1ea5t h\u1ea5p th\u1ee5 kh\u00f4<\/span><\/td>\n | K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn<\/span><\/td>\n | Hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf th\u1ea5p h\u01a1n<\/span><\/td>\n | C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1ecf h\u01a1n<\/span><\/td>\n<\/tr>\n\n| FGD b\u00e1n kh\u00f4<\/span><\/td>\n | Ph\u01b0\u01a1ng ph\u00e1p lai<\/span><\/td>\n | Hi\u1ec7u qu\u1ea3 v\u00e0 k\u00edch th\u01b0\u1edbc c\u00e2n b\u1eb1ng<\/span><\/td>\n | Thi\u1ebft l\u1eadp ph\u1ee9c t\u1ea1p h\u01a1n<\/span><\/td>\n | Ho\u1ea1t \u0111\u1ed9ng v\u1eeba<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n FGD \u01b0\u1edbt l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t. N\u00f3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ch\u00e0 r\u1eeda \u0111\u1ec3 r\u1eeda kh\u00ed th\u1ea3i b\u1eb1ng ch\u1ea5t l\u1ecfng, th\u01b0\u1eddng l\u00e0 n\u01b0\u1edbc c\u00f3 ph\u1ee5 gia. H\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 hi\u1ec7u su\u1ea5t lo\u1ea1i b\u1ecf cao, ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf r\u1ea5t nhi\u1ec1u l\u01b0u hu\u1ef3nh \u0111ioxit. Tuy nhi\u00ean, n\u00f3 c\u1ea7n nhi\u1ec1u kh\u00f4ng gian v\u00e0 t\u1ea1o ra n\u01b0\u1edbc th\u1ea3i, c\u00f3 th\u1ec3 l\u00e0 m\u1ed1i quan t\u00e2m c\u1ee7a m\u1ed9t s\u1ed1 ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/span><\/p>\nFGD kh\u00f4 s\u1eed d\u1ee5ng ch\u1ea5t h\u1ea5p th\u1ee5 kh\u00f4 \u0111\u1ec3 l\u00e0m s\u1ea1ch kh\u00ed. H\u1ec7 th\u1ed1ng n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u01a1 s\u1edf nh\u1ecf h\u01a1n v\u00ec n\u00f3 chi\u1ebfm \u00edt kh\u00f4ng gian h\u01a1n. Tuy nhi\u00ean, hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n FGD \u01b0\u1edbt. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1ecf h\u01a1n ho\u1eb7c \u1edf nh\u1eefng n\u01a1i c\u00f3 kh\u00f4ng gian h\u1ea1n ch\u1ebf.<\/span><\/p>\nFGD b\u00e1n kh\u00f4 k\u1ebft h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 t\u1eeb c\u1ea3 h\u1ec7 th\u1ed1ng \u01b0\u1edbt v\u00e0 kh\u00f4. Ph\u01b0\u01a1ng ph\u00e1p lai n\u00e0y mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa hi\u1ec7u qu\u1ea3 v\u00e0 quy m\u00f4. Thi\u1ebft l\u1eadp c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p h\u01a1n c\u00e1c lo\u1ea1i kh\u00e1c, nh\u01b0ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u00f3 quy m\u00f4 v\u1eeba c\u1ea7n qu\u1ea3n l\u00fd kh\u00ed th\u1ea3i hi\u1ec7u qu\u1ea3.<\/span><\/p>\nPh\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong qu\u00e1 tr\u00ecnh FGD<\/b><\/h2>\nPh\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong quy tr\u00ecnh FGD gi\u00fap lo\u1ea1i b\u1ecf l\u01b0u hu\u1ef3nh \u0111ioxit (SO\u2082) kh\u1ecfi kh\u00ed th\u1ea3i. Quy tr\u00ecnh n\u00e0y ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng \u0111\u00e1 v\u00f4i. \u0110\u00e1 v\u00f4i l\u00e0 lo\u1ea1i \u0111\u00e1 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb canxi cacbonat (CaCO\u2083).<\/span><\/p>\nKhi SO\u2082 g\u1eb7p \u0111\u00e1 v\u00f4i, ph\u1ea3n \u1ee9ng x\u1ea3y ra. Ph\u1ea3n \u1ee9ng n\u00e0y t\u1ea1o ra canxi sunfit (CaSO\u2083). Ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh sau:<\/span><\/p>\n\n- SO\u2082 + CaCO\u2083 \u2192 CaSO\u2083 + CO\u2082<\/span><\/li>\n<\/ul>\n
Ti\u1ebfp theo, canxi sunfit (CaSO\u2083) c\u00f3 th\u1ec3 chuy\u1ec3n th\u00e0nh th\u1ea1ch cao. Th\u1ea1ch cao l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u h\u1eefu \u00edch kh\u00e1c. \u0110\u1ec3 t\u1ea1o ra th\u1ea1ch cao, canxi sunfit b\u1ecb oxy h\u00f3a. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi oxy. Ph\u01b0\u01a1ng tr\u00ecnh c\u00e2n b\u1eb1ng cho ph\u1ea3n \u1ee9ng n\u00e0y l\u00e0:<\/span><\/p>\n\n- 2 CaSO\u2083 + O\u2082 \u2192 2 CaSO\u2084<\/span><\/li>\n<\/ul>\n
Trong b\u01b0\u1edbc n\u00e0y, canxi sunfat (CaSO\u2084) \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh. Canxi sunfat l\u00e0 t\u00ean h\u00f3a h\u1ecdc c\u1ee7a th\u1ea1ch cao.<\/span><\/p>\nNh\u1eefng ph\u1ea3n \u1ee9ng n\u00e0y cho th\u1ea5y c\u00e1ch SO\u2082 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf kh\u1ecfi kh\u00f4ng kh\u00ed b\u1eb1ng \u0111\u00e1 v\u00f4i trong quy tr\u00ecnh FGD. Quy tr\u00ecnh n\u00e0y gi\u00fap l\u00e0m cho kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n v\u00e0 an to\u00e0n h\u01a1n.<\/span><\/p>\nL\u1ee3i \u00edch v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 kinh t\u1ebf c\u1ee7a FGD<\/b><\/h2>\nH\u1ec7 th\u1ed1ng FGD mang l\u1ea1i c\u1ea3 l\u1ee3i \u00edch v\u1ec1 m\u1eb7t m\u00f4i tr\u01b0\u1eddng v\u00e0 kinh t\u1ebf. Ch\u00fang gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t m\u00f4i tr\u01b0\u1eddng l\u00e0nh m\u1ea1nh h\u01a1n. \u0110\u1ed3ng th\u1eddi, ch\u00fang t\u1ea1o ra c\u01a1 h\u1ed9i t\u0103ng tr\u01b0\u1edfng kinh t\u1ebf th\u00f4ng qua vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m ph\u1ee5. Th\u1ea1ch cao, m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5 ph\u1ed5 bi\u1ebfn c\u1ee7a FGD, h\u1eefu \u00edch trong x\u00e2y d\u1ef1ng.<\/span><\/p>\n\n- Gi\u1ea3m ph\u00e1t th\u1ea3i<\/b>: H\u1ec7 th\u1ed1ng FGD c\u1eaft gi\u1ea3m kh\u00ed \u0111\u1ed9c h\u1ea1i. C\u00e1c lo\u1ea1i kh\u00ed n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 m\u01b0a axit v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 h\u00f4 h\u1ea5p. B\u1eb1ng c\u00e1ch gi\u1ea3m c\u00e1c kh\u00ed th\u1ea3i n\u00e0y, h\u1ec7 th\u1ed1ng FGD gi\u00fap b\u1ea3o v\u1ec7 kh\u00f4ng kh\u00ed ch\u00fang ta h\u00edt th\u1edf.<\/span><\/li>\n
- Ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed t\u1ed1t h\u01a1n<\/b>:V\u1edbi l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i \u00edt h\u01a1n, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Kh\u00f4ng kh\u00ed s\u1ea1ch d\u1eabn \u0111\u1ebfn \u00edt v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 t\u1eadn h\u01b0\u1edfng ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng t\u1ed1t h\u01a1n.<\/span><\/li>\n
- T\u00e1i s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m ph\u1ee5 (th\u1ea1ch cao)<\/b>: H\u1ec7 th\u1ed1ng FGD t\u1ea1o ra th\u1ea1ch cao nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5. Th\u1ea1ch cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m v\u00e1ch th\u1ea1ch cao v\u00e0 c\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng kh\u00e1c. Vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng n\u00e0y gi\u00fap gi\u1ea3m ch\u1ea5t th\u1ea3i v\u00e0 t\u1ea1o vi\u1ec7c l\u00e0m trong ng\u00e0nh x\u00e2y d\u1ef1ng.<\/span><\/li>\n
- Gi\u1ea3m chi ph\u00ed y t\u1ebf<\/b>: Khi ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, chi ph\u00ed ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe s\u1ebd gi\u1ea3m xu\u1ed1ng. \u00cdt ng\u01b0\u1eddi b\u1ecb b\u1ec7nh do \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed h\u01a1n. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m ti\u1ec1n cho c\u00e1c gia \u0111\u00ecnh v\u00e0 h\u1ec7 th\u1ed1ng ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe.<\/span><\/li>\n
- Gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/b>: H\u1ec7 th\u1ed1ng FGD gi\u00fap b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. B\u1eb1ng c\u00e1ch c\u1eaft gi\u1ea3m kh\u00ed th\u1ea3i, ch\u00fang l\u00e0m gi\u1ea3m thi\u1ec7t h\u1ea1i cho h\u1ec7 sinh th\u00e1i. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1eef cho h\u00e0nh tinh c\u1ee7a ch\u00fang ta kh\u1ecfe m\u1ea1nh cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/span><\/li>\n<\/ul>\n
Nh\u00ecn chung, h\u1ec7 th\u1ed1ng FGD mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch quan tr\u1ecdng. Ch\u00fang c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 gi\u1ea3m chi ph\u00ed y t\u1ebf \u0111\u1ed3ng th\u1eddi cung c\u1ea5p c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean c\u00f3 gi\u00e1 tr\u1ecb cho n\u1ec1n kinh t\u1ebf.<\/span><\/p>\nChi ph\u00ed li\u00ean quan \u0111\u1ebfn vi\u1ec7c kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i<\/b><\/h2>\nChi ph\u00ed li\u00ean quan \u0111\u1ebfn kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i (FGD) c\u00f3 th\u1ec3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Vi\u1ec7c tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng FGD li\u00ean quan \u0111\u1ebfn m\u1ed9t s\u1ed1 chi ph\u00ed. C\u00f3 chi ph\u00ed v\u1ed1n, l\u00e0 chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng. Chi ph\u00ed v\u1eadn h\u00e0nh l\u00e0 chi ph\u00ed li\u00ean t\u1ee5c \u0111\u1ec3 duy tr\u00ec h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng. Chi ph\u00ed b\u1ea3o tr\u00ec bao g\u1ed3m s\u1eeda ch\u1eefa v\u00e0 ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/span><\/p>\nC\u00e1c c\u00f4ng ngh\u1ec7 FGD kh\u00e1c nhau c\u00f3 chi ph\u00ed kh\u00e1c nhau. C\u00e1c h\u1ec7 th\u1ed1ng FGD \u01b0\u1edbt th\u01b0\u1eddng c\u00f3 chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n nh\u01b0ng chi ph\u00ed v\u1eadn h\u00e0nh th\u1ea5p h\u01a1n. C\u00e1c h\u1ec7 th\u1ed1ng FGD kh\u00f4 th\u01b0\u1eddng c\u00f3 chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 c\u00f3 chi ph\u00ed li\u00ean t\u1ee5c cao h\u01a1n. C\u00e1c h\u1ec7 th\u1ed1ng b\u00e1n kh\u00f4 n\u1eb1m \u1edf gi\u1eefa. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng ph\u00e1c th\u1ea3o chi ph\u00ed cho t\u1eebng lo\u1ea1i c\u00f4ng ngh\u1ec7 FGD.<\/span><\/p>\n\n\n\n| C\u00f4ng ngh\u1ec7 FGD<\/b><\/td>\n | Chi ph\u00ed v\u1ed1n (tr\u00ean m\u1ed7i t\u1ea5n SO\u2082 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf)<\/b><\/td>\n | Chi ph\u00ed v\u1eadn h\u00e0nh (tr\u00ean m\u1ed7i t\u1ea5n SO\u2082 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf)<\/b><\/td>\n | Chi ph\u00ed b\u1ea3o tr\u00ec (tr\u00ean m\u1ed7i t\u1ea5n SO\u2082 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf)<\/b><\/td>\n<\/tr>\n\n| \u01af\u1edbt<\/span><\/td>\n | $200 \u2013 $400<\/span><\/td>\n | $30 \u2013 $50<\/span><\/td>\n | $10 \u2013 $20<\/span><\/td>\n<\/tr>\n\n| Kh\u00f4<\/span><\/td>\n | $100 \u2013 $300<\/span><\/td>\n | $40 \u2013 $60<\/span><\/td>\n | $15 \u2013 $25<\/span><\/td>\n<\/tr>\n\n| B\u00e1n kh\u00f4<\/span><\/td>\n | $150 \u2013 $350<\/span><\/td>\n | $35 \u2013 $55<\/span><\/td>\n | $12 \u2013 $22<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Chi ph\u00ed cho m\u1ed7i t\u1ea5n SO\u2082 lo\u1ea1i b\u1ecf cho th\u1ea5y h\u1ec7 th\u1ed1ng FGD \u01b0\u1edbt c\u00f3 chi ph\u00ed v\u1ed1n cao nh\u01b0ng chi ph\u00ed v\u1eadn h\u00e0nh th\u1ea5p h\u01a1n. H\u1ec7 th\u1ed1ng kh\u00f4 cung c\u1ea5p chi ph\u00ed v\u1ed1n th\u1ea5p h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn chi ph\u00ed v\u1eadn h\u00e0nh cao h\u01a1n. H\u1ec7 th\u1ed1ng b\u00e1n kh\u00f4 cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa hai y\u1ebfu t\u1ed1 n\u00e0y. M\u1ed7i c\u00f4ng ngh\u1ec7 \u0111\u1ec1u c\u00f3 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, nh\u01b0ng l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u00e0 ng\u00e2n s\u00e1ch c\u1ee5 th\u1ec3.<\/span><\/p>\nKh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i \u1edf \u1ea4n \u0110\u1ed9<\/b><\/h2>\nKh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i (FGD) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u1edf \u1ea4n \u0110\u1ed9. N\u00f3 gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i t\u1eeb c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nhi\u1ec7t. Ch\u00ednh ph\u1ee7 \u1ea4n \u0110\u1ed9 \u0111\u1eb7t ra c\u00e1c quy t\u1eafc \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng kh\u00ed th\u1ea3i n\u00e0y. C\u00e1c quy t\u1eafc n\u00e0y khi\u1ebfn c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n ph\u1ea3i s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng FGD.<\/span><\/p>\nVi\u1ec7c \u00e1p d\u1ee5ng FGD \u0111\u00e3 t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u do c\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 m\u00f4i tr\u01b0\u1eddng. C\u00e1c quy \u0111\u1ecbnh n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u1edf \u1ea4n \u0110\u1ed9. Tuy nhi\u00ean, vi\u1ec7c \u0111\u01b0a h\u1ec7 th\u1ed1ng FGD v\u00e0o s\u1eed d\u1ee5ng c\u0169ng g\u1eb7p nhi\u1ec1u th\u00e1ch th\u1ee9c. M\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c n\u00e0y bao g\u1ed3m chi ph\u00ed cao, kho\u1ea3ng c\u00e1ch c\u00f4ng ngh\u1ec7 v\u00e0 nhu c\u1ea7u v\u1ec1 lao \u0111\u1ed9ng l\u00e0nh ngh\u1ec1.<\/span><\/p>\nC\u00e1c m\u1ed1c quan tr\u1ecdng v\u1ec1 m\u1eb7t quy \u0111\u1ecbnh bao g\u1ed3m:<\/b><\/p>\n\n- 2015<\/b>:Ch\u00ednh ph\u1ee7 \u0111\u00e3 ban h\u00e0nh c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i ch\u1eb7t ch\u1ebd h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nhi\u1ec7t.<\/span><\/li>\n
- 2016<\/b>:B\u1ed9 M\u00f4i tr\u01b0\u1eddng, L\u00e2m nghi\u1ec7p v\u00e0 Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u00e3 ban h\u00e0nh h\u01b0\u1edbng d\u1eabn th\u1ef1c hi\u1ec7n FGD.<\/span><\/li>\n
- 2017<\/b>:Ch\u00ednh ph\u1ee7 \u0111\u00e3 \u0111\u1eb7t ra th\u1eddi h\u1ea1n cho c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n hi\u1ec7n c\u00f3 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng FGD.<\/span><\/li>\n
- 2020<\/b>:C\u00e1c h\u01b0\u1edbng d\u1eabn m\u1edbi bao g\u1ed3m c\u00e1c gi\u1edbi h\u1ea1n ph\u00e1t th\u1ea3i th\u1eadm ch\u00ed c\u00f2n ch\u1eb7t ch\u1ebd h\u01a1n.<\/span><\/li>\n<\/ul>\n
Nh\u1eefng c\u1ed9t m\u1ed1c n\u00e0y cho th\u1ea5y ch\u00ednh ph\u1ee7 \u1ea4n \u0110\u1ed9 nghi\u00eam t\u00fac nh\u01b0 th\u1ebf n\u00e0o trong vi\u1ec7c gi\u1ea3m \u00f4 nhi\u1ec5m. Vi\u1ec7c t\u1eadp trung v\u00e0o FGD ph\u1ea3n \u00e1nh cam k\u1ebft c\u1ee7a \u0111\u1ea5t n\u01b0\u1edbc \u0111\u1ed1i v\u1edbi kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0nh m\u1ea1nh h\u01a1n. B\u1ea5t ch\u1ea5p nh\u1eefng th\u00e1ch th\u1ee9c, nhu c\u1ea7u v\u1ec1 FGD l\u00e0 r\u00f5 r\u00e0ng khi \u1ea4n \u0110\u1ed9 n\u1ed7 l\u1ef1c h\u01b0\u1edbng t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed t\u1ed1t h\u01a1n.<\/span><\/p>\nXu h\u01b0\u1edbng v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u1ee7a h\u1ec7 th\u1ed1ng FGD<\/b><\/h2>\nC\u00e1c xu h\u01b0\u1edbng v\u00e0 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u1ee7a h\u1ec7 th\u1ed1ng FGD t\u1eadp trung v\u00e0o c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi gi\u00fap ch\u00fang t\u1ed1t h\u01a1n v\u00e0 r\u1ebb h\u01a1n. Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y gi\u00fap gi\u1ea3m \u00f4 nhi\u1ec5m t\u1eeb c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n v\u00e0 nh\u00e0 m\u00e1y. Khi c\u00e1c qu\u1ed1c gia t\u1ea1o ra lu\u1eadt m\u00f4i tr\u01b0\u1eddng m\u1ea1nh m\u1ebd h\u01a1n, nhu c\u1ea7u v\u1ec1 h\u1ec7 th\u1ed1ng FGD c\u00f3 th\u1ec3 s\u1ebd t\u0103ng l\u00ean.<\/span><\/p>\nM\u1ed9t s\u1ed1 xu h\u01b0\u1edbng v\u00e0 c\u1ea3i ti\u1ebfn ch\u00ednh trong h\u1ec7 th\u1ed1ng FGD bao g\u1ed3m:<\/span><\/p>\n\n- Hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/b>: Thi\u1ebft k\u1ebf v\u00e0 v\u1eadt li\u1ec7u m\u1edbi gi\u00fap h\u1ec7 th\u1ed1ng FGD ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n. Ch\u00fang lo\u1ea1i b\u1ecf nhi\u1ec1u ch\u1ea5t \u00f4 nhi\u1ec5m h\u01a1n v\u1edbi \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n.<\/span><\/li>\n
- Gi\u1ea3m chi ph\u00ed<\/b>:C\u00e1c c\u00f4ng ty t\u00ecm c\u00e1ch gi\u1ea3m chi ph\u00ed x\u00e2y d\u1ef1ng v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng FGD. \u0110i\u1ec1u n\u00e0y gi\u00fap ch\u00fang tr\u1edf n\u00ean h\u1ee3p t\u00fai ti\u1ec1n h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n.<\/span><\/li>\n
- C\u00f4ng ngh\u1ec7 th\u00f4ng minh<\/b>:Nhi\u1ec1u h\u1ec7 th\u1ed1ng FGD hi\u1ec7n nay s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn v\u00e0 ph\u1ea7n m\u1ec1m. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/li>\n
- Quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/b>:C\u00e1c ch\u00ednh ph\u1ee7 tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi \u0111ang \u0111\u01b0a ra c\u00e1c quy \u0111\u1ecbnh ch\u1eb7t ch\u1ebd h\u01a1n \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y th\u1ecb tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng FGD.<\/span><\/li>\n
- T\u0103ng tr\u01b0\u1edfng th\u1ecb tr\u01b0\u1eddng<\/b>: C\u00e1c chuy\u00ean gia d\u1ef1 \u0111o\u00e1n r\u1eb1ng th\u1ecb tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng FGD s\u1ebd t\u0103ng tr\u01b0\u1edfng trong nh\u1eefng n\u0103m t\u1edbi. Nhi\u1ec1u doanh nghi\u1ec7p s\u1ebd \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh m\u1edbi.<\/span><\/li>\n<\/ul>\n
Nh\u1eefng xu h\u01b0\u1edbng n\u00e0y cho th\u1ea5y m\u1ed9t h\u01b0\u1edbng \u0111i r\u00f5 r\u00e0ng cho c\u00e1c h\u1ec7 th\u1ed1ng FGD. Ch\u00fang h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n, gi\u00fap b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\nPh\u1ea7n k\u1ebft lu\u1eadn<\/b><\/h2>\nFGD gi\u00fap gi\u1ea3m kh\u00ed th\u1ea3i v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng. N\u00f3 thu gi\u1eef c\u00e1c kh\u00ed \u0111\u1ed9c h\u1ea1i t\u1eeb c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. \u0110i\u1ec1u n\u00e0y l\u00e0m cho kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n v\u00e0 an to\u00e0n h\u01a1n cho m\u1ecdi ng\u01b0\u1eddi. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh n\u00e0y \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng FGD, h\u1ecd c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng theo c\u00e1ch t\u1ed1t h\u01a1n cho h\u00e0nh tinh.<\/span><\/p>\nC\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 FGD cho th\u1ea5y h\u1ecd quan t\u00e2m \u0111\u1ebfn t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00ecnh \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng. H\u1ec7 th\u1ed1ng FGD kh\u00f4ng ch\u1ec9 gi\u00fap tu\u00e2n th\u1ee7 lu\u1eadt ph\u00e1p m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ec1n v\u1eefng. Kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n mang l\u1ea1i l\u1ee3i \u00edch cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi, khi\u1ebfn c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ph\u1ea3i h\u00e0nh \u0111\u1ed9ng. \u00c1p d\u1ee5ng FGD l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh cho m\u1ed9t t\u01b0\u01a1ng lai kh\u1ecfe m\u1ea1nh h\u01a1n.<\/span><\/p>\n <\/p>","protected":false},"excerpt":{"rendered":" Introduction to Flue Gas Desulphurisation (FGD) Flue Gas Desulphurisation (FGD) is a vital technology that helps reduce sulfur dioxide (SO\u2082) emissions from industrial processes. This technology is especially important in thermal power plants. SO\u2082 emissions can harm the environment and people’s health. They can cause acid rain, which damages forests, lakes, and buildings. SO\u2082 can […]<\/p>\n","protected":false},"featured_media":13339,"template":"","meta":{"_acf_changed":false},"class_list":["post-12453","case-study","type-case-study","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/wp-json\/wp\/v2\/case-study\/12453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/wp-json\/wp\/v2\/case-study"}],"about":[{"href":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/wp-json\/wp\/v2\/types\/case-study"}],"version-history":[{"count":1,"href":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/wp-json\/wp\/v2\/case-study\/12453\/revisions"}],"predecessor-version":[{"id":27064,"href":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/wp-json\/wp\/v2\/case-study\/12453\/revisions\/27064"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/wp-json\/wp\/v2\/media\/13339"}],"wp:attachment":[{"href":"https:\/\/www.intensiv-filter-himenviro.com\/vi\/wp-json\/wp\/v2\/media?parent=12453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} | | | | | | | |