For general household electrical appliances, service life is long, we generally get home appliances such as scrap, will purchase the ideal new appliances to replace old appliances, while older appliances? can only be placed in or discarded, and sold.
But for the environment and life, old household appliances often cause a certain degree of pollution, and on our living environment has a detrimental impact.
By pollution from old appliances can be divided into two categories: one category is contained in the materials are simple, on the environmental hazards of old electrical appliances such as refrigerators, washing machines, air conditioners, and other such products of dismantling and disposal is relatively simple.
Another class is contained in the material is more complex, more on the environmental hazards of waste electronic products, such as computers, TV picture tube in the lead, computer components containing arsenic, mercury and other hazardous substances.
Old electrical appliances contamination analysis
1. the end-of-life refrigerator of freon to air free emptying.
Freon disseminated into the air, diffuse into the atmosphere, when it encountered strong ultraviolet irradiation, and atmospheric ozone reaction, ozone has devastating effects, accelerates the greenhouse effect, but also endanger human health.2. monitor and TV screens are randomly broken, on phosphor arbitrarily emissions.
Phosphor contains a lot of lead, lead hazards has long been known, not only damage the central nervous system and brain systems, blood system, kidneys, and reproductive systems, but also on children's brain development is having a negative impact.
No comments:
Post a Comment