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Waste disposal process of waste incineration and sewage sludge incineration

Today mainly dry and quasi-dry methods, the separation efficiency of which is significantly better than the currently applicable limit values, are used in the field of waste incineration

 

In this, fabric filters play an important role in the overall process and, when used with sorbent mixtures, allow for simultaneous separation of acidic gas pollutants, unburnt aromatic compounds, dioxins and furans, heavy metals and dust.

 

Unlike waste, sewage sludge cannot be avoided – on the contrary. Better waste water purification naturally produces more sewage sludge. In the Federal Republic of Germany approx. 10-15% of communal sewage sludge is incinerated. It is frequently highly contaminated with substances which mainly get into the waste gas when treated thermally.

 

Usually sewage sludge incineration plants are equipped with multi-stage gas cleaning installations for separating dusts and acidic harmful gases and for reducing the amount of nitric oxides.

APPLICATIONS

1. Painting & spraying booths

2. Industrial Finishing

3. Coating Processes

4. Chemical Processes

5. Plastic & Rubber Production

6. Pharmaceutical Processes

7. Wastewater pound vapors & gases

PROCESS

Waste disposal process of waste incineration
  • 1. Incineration plant
  • 2. Reactor
  • 3. Filter for reactor
  • 4. Denox plant
  • 5. Chimney
  • 6. Natural gas
  • 7. Heat exchanger
  • 8. Ventilator

 

Filter title IFJCC
Typical design data Unit of measure Waste incineration
Gas volume m³/h 60,000-100,000
Gas temperature °C 140 – 180
Type of dust Fly ash
Residual dust content mg/m³ < 10
Raw gas dust content g/m³ 5 – 10
Cleaning online
Filter medium
Explosion protected design not necessary
Sorbents Calcium hydroxide, furnace coke, active carbon, sodium bicarbonate

Waste disposal process of sewage sludge incineration

1 Terminal 2 Silo 3 Chimney 4 Filter for reactor
5 Recirculating air fan 6 Heater battery 7 Waste gas from incineration plants 8 Reactor
9 Dust discharge 10 Receiver tank 11 Blow-through valve 12 Air dryer

 

 

Gas volume m³/h 30,000-60,000
Gas temperature °C 140 – 180
Type of dust Additive, fly ash reactor products
Residual dust content mg/m³ < 10
Raw gas dust content g/m³ 5 – 10
Cleaning online
Filter medium polyamid /polyacrylonitrile
Explosion protected design not necessary
Sorbents Calcium hydroxide, furnace coke, active carbon, sodium bicarbonate