Domestic waste treatment production line and treatment equipment

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Domestic waste treatment production line and treatment equipment

What is domestic waste

Solid waste generated by people in their daily life or in activities providing services for daily life, as well as solid waste that is regarded as domestic waste according to laws and administrative regulations. It mainly includes household garbage, market trade and commercial garbage, garbage in public places, street cleaning garbage and garbage of enterprises and institutions.

Main classification

Domestic waste can generally be divided into four categories: recyclable waste, kitchen waste, hazardous waste and other waste. The commonly used waste disposal methods are comprehensive utilization, sanitary landfill, incineration and composting.
(1) Recyclable waste including paper, metal, plastic, glass, etc., through comprehensive treatment and recycling, can reduce pollution and save resources.
(2) Kitchen waste includes food waste such as leftovers, bones, roots and leaves, which is composted by biotechnology and can produce 0.3 tons of organic fertilizer per ton.
(3) Harmful waste includes waste batteries, waste daylight lamps, waste water silver thermometers, expired drugs, etc., which require special safety treatment.
(4) Other garbage includes brick and tile ceramics, slag, toilet paper and other difficult to recycle waste in addition to the above types of garbage. Sanitary landfill can effectively reduce the pollution of groundwater, surface water, soil and air.

Related hazard

(1) Plastic: such as plastic bags, plastic packaging, fast food lunch boxes, plastic cups and bottles, electrical packaging, cold drink skin and so on.
Harm: difficult to decompose, damage the soil, reduce plant growth by 30%; Landfill may pollute groundwater; Burning produces harmful gases.
(2) Batteries: such as button batteries, rechargeable batteries, dry batteries, etc.
Hazards: Button batteries contain the toxic heavy metal mercury; Rechargeable batteries contain the harmful heavy metal cadmium; Dry batteries contain substances harmful to the environment such as mercury, lead and acid and alkali substances.
(3) Leftover food: such as leftovers dumped with garbage or fast food boxes.
Hazard: a large number of mosquitoes and flies; Promote the proliferation of bacteria in the waste, producing toxic gases and methane.
(4) Paints and pigments: such as waste after construction and home decoration.
Harm: Paint containing organic solvents can cause headaches, allergies, coma or cancer; It is dangerous and flammable; Pigments contain heavy metals, which are harmful to health.
(5) Cleaning chemicals: such as oil removal, descaling, smooth floor, carpet cleaning, pipeline and other chemicals, air fresheners, pesticides, chemical floor waxing agents, etc.
Hazards: petrochemical products containing organic solvents or difficult to degrade by nature; Corrosive; Chlorine containing elements (such as bleach, floor wash, etc.), toxic to humans; Drugs contain ozone-depleting substances; About 50% of pesticides contain carcinogens, and some can damage the liver of animals.