The waste generated by the coating machine mainly includes the following types:
Paint residues: These wastes may contain heavy metal components, such as lead, chromium, cadmium, etc. If they enter the environment without proper treatment, they will cause long-term harm to human health and the ecosystem.
Solvent waste: Solvent waste is mostly volatile organic compounds (VOCs). When volatilized into the atmosphere, it will form photochemical smog, aggravate haze and greenhouse effect. Some organic solvents are also toxic and may damage the human respiratory tract, skin and liver.
Spray gun cleaning wastewater: Contains paint particles, organic solvents and heavy metal ions. Untreated discharge will pollute surface water, soil and groundwater sources.
Paint-contaminated wiping materials: Such as rags, filters, etc. These materials are prone to spontaneous combustion and cause fires, and are polluting due to harmful substances in the paint.
Waste packaging materials: Such as paint buckets, paint bags, etc., plastic barrels and other materials are difficult to degrade. If incinerated, they will produce toxic and harmful gases such as dioxins.
