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Industrial wastewater includes production wastewater, process sewage, and cooling water, often carrying industrial raw materials, intermediates, by-products, and pollutants. Here’s a summary of common treatment methods: 1. Multi-Effect Evaporation Crystallization Technology Used for saline industrial wastewater treatment, this method involves low-temperature multi-effect evaporation and crystallization. Wastewater is separated into desalinated water and concentrated slurry. Crystallizable […]

Overview of DioxinsDioxins are persistent organic pollutants (POPs) that include 210 compounds of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs). These substances are highly toxic, chemically stable, resistant to photodegradation, and bio-degradation, making them persist in the environment for extended periods. Known for their teratogenic, carcinogenic, and mutagenic properties, they are referred to as the

Gas Treatment Process Flow Diagram Acidic Waste Gas Treatment Activated Coke Flue Gas Desulfurization Technology Process Flow Power Plant Desulfurization Process Limestone-Gypsum Method for Treating Sulfur-Containing Gases Double Alkali Desulfurization Process Magnesium Oxide Desulfurization Process Indirect Limestone-Gypsum Method Citric Acid Absorption Desulfurization New Dual Exhaust Gas Treatment System for Waste Incineration Double Alkali Flue Gas

Principles of Nitrogen Oxides (NOx) 1. What are the hazards of nitrogen oxides (NOx)? Answer: 2. What factors influence NOx formation? Answer:NOx in boiler flue gas primarily originates from nitrogen in the fuel. Higher fuel nitrogen content generally leads to increased NOx emissions. Other influencing factors include: 3. How can NOx emissions be controlled? Answer:Control

1. Masking Method 2. Dilution and Diffusion Method 3. Thermal and Catalytic Combustion 4. Water Absorption 5. Chemical Absorption 6. Adsorption Method 7. Biofiltration 8. Biotrickling Filtration 9. Washing with Activated Sludge 10. Aeration with Activated Sludge 11. Multiphase Catalytic Oxidation 12. Low-Temperature Plasma