Pollution and Control in the Production of Magnesia Refractory Materials

The pollution sources and pollutants produced in the production of magnesia refractories mainly include: production of dust; kiln discharge of soot, sulfur dioxide, nitrogen oxides, carbon monoxide, etc.; phenolic resin, asphalt, paraffin and other binders emit formaldehyde under heating conditions , harmful gases such as asphalt flue gas, paraffin vapor (heterocyclic compound); noise generated by various equipment, air compressors, fans and various pumps; equipment cooling water, circulating water drainage, flushing floor drain wastewater and domestic sewage Waste water; solid waste discharged from dust collectors, product processing equipment, furnaces and living facilities. The waste magnesia chrome brick recovered from the cement kiln contains hexavalent chromium which is toxic, soluble in water, and potentially contaminated groundwater.

Several aspects of pollution control governance in the production of magnesia refractories:

1. Site selection and greening factory

2. Set up environmental management agencies and environmental monitoring stations

3. Control and control of dust pollution

4, furnace kiln exhaust pollution control and treatment

5. Noise pollution control and treatment

6. Harmful gas control and treatment

7. Wastewater control and treatment