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1. The dry process is simple
2. Less reliability of operating equipment
3. Reduce control points to a fraction to a tenth
4. High one-way efficiency, no cycle
5. Energy consumption is reduced, investment and operating costs are reduced, and post staffing is reduced
6. The process does not consume water or waste water
7. Meet the requirements of “whitening”, and the corrosion of the equipment is weak
8. Avoid corrosion and eliminate the risk of over-temperature fire of FPR material
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Desulfurization process |
Process | Running equipment | The amount of operation and maintenance | Fixed assets | Electricity consumption | Sewage | By-product value | Desulfurization efficiency | Running costs |
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Limestone gypsum method |
Complicated | More | Big | Big | High | High | Low | High | High |
| Ammonia washing method | Complicated | More | Big | Bigger | High | High | Middle | High | High |
| Rotary spray drying method | Middle | Middle | Big | Bigger | Middle | None | None | Middle | Middle |
| Furnace spray calcium tail humidification method | Middle | Less | Middle | Middle | High | None | None | Middle | Middle |
| Circulating fluidized bed | Middle | Middle | Big | Big | High | None | None | Middle | High |
| In-furnace desulphurization | Low | Less | Less | Low | Low | None | Low | Low | Low |
| SOLVAY sodium dry process | Low | Less | Less | Lower | Low | None | Middle | Very high | Middle |
The flue gas desulfurization by baking soda method achieves fine desulfurization and ultra-low emission
Desulfurization in limestone furnace can remove high concentration sulfur and reduce cost
Pre-electric dust collector + bag dust collector, transparent flue gas
1. **Perfect spherical particles
2. Almost no chloride ions
3. Good fluidity, completely eliminate the blockage problem
4. Non-hazardous chemicals
5. No corrosion, less maintenance cost
6. High acid removal efficiency
