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What do the three wastes of chemical industry companies refer to?
The "three wastes" of chemical industry companies refer to exhaust gas, wastewater, and waste residue.
exhaust gas
Waste gas refers to the gases emitted during the chemical production process, mainly including harmful gases and dust. These exhaust gases may contain toxic substances, irritating odors, or components that cause air pollution.
waste water
Wastewater refers to water containing various chemical components generated in chemical production, which may contain heavy metals, organic matter, and other pollutants, posing a threat to the environment and human health.
Waste residue
Waste residue refers to solid waste generated during the chemical production process, including reaction residues, precipitates, etc., which may contain harmful substances and need to be properly treated to prevent environmental pollution.
processing method
The methods for treating the "three wastes" of chemical industry mainly include:
Physical treatment: such as filtration, precipitation, etc., used to remove suspended solids and sediment from wastewater.
Chemical treatment: such as neutralization, oxidation-reduction, etc., used to treat harmful substances in wastewater.
Biological treatment: such as biodegradation, suitable for treating organic waste and wastewater, using microorganisms to decompose organic matter.