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The harm of urban solid waste production

Release time:2017-03-10Author:admin

The harm of urban solid waste production,Garbage production surge, serious harm to the environment. The harm caused by the garbage is affected in the subtle influence, so the more garbage, the greater the harm to the environment, while the health of people is also affected by its.

At present, China's garbage accumulation of 6 billion tons over the years, in 1997, the country's annual output of 140 million tons of garbage, and the annual growth rate of 8-10%, so far, the vast majority of China's garbage is still open Stacking, landfill mainly not only take up valuable land resources, but also caused serious secondary pollution to the environment.

Comprehensive processing technology research is imperative. Garbage is the main obstacle to the use of resources on the one hand is the garbage itself is complex, difficult to use resources. On the other hand is related to the research and development of technology has not kept up with the existing use of technology is often a single model (such as incineration power generation), the use of the same garbage disposal of the same method, resulting in a large number of their own consumption, The Therefore, according to local conditions, according to the different composition of waste, the comprehensive treatment of key technology research, to fundamentally solve the problem of garbage is of great significance, is related to the national economy and a major event.

Garbage is hazardous to the environment

(1) encroachment on the surface

Garbage dumped valuable land resources and living space, seriously affected the industrial and agricultural production and life. A large number of garbage destruction of the surface of the earth's vegetation, which not only affects the natural environment of the beautiful, but also destroyed the ecological balance of nature.

 

(2) pollution of the environment

Solid waste contains a variety of harmful substances, improper handling can directly contaminate the soil, air and water, and ultimately to a variety of organisms, including human harm.

(3) to spread the disease

Garbage contains a large number of micro-organisms, bacteria, viruses, pests and other breeding grounds and breeding ground, serious harm to human health.

(4) contaminated soil and water

Waste exudates change soil composition and structure, and toxic waste can affect human health through the food chain. Garbage destroyed the soil structure and physical and chemical properties, so that soil fertilizer, water retention capacity greatly reduced.

Trash contains pathogenic microorganisms, organic pollutants and toxic heavy metals, etc., in the role of rain, they are brought into the water, will cause surface water or groundwater serious pollution, affecting the survival of aquatic life and water resources.

(5) pollution of the atmosphere

Small solid waste will fly with the wind, increasing air pollution. In a large number of garbage open field pavement smelly days, mice disaster, mosquito breeding, a large number of ammonia, sulfide and other harmful gases released to the atmosphere, only the volatile gas as much as 100 kinds, which contains many carcinogenic Teratogenic.

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