Shanghai's first 1000-ton-class waste incineration power plant was recently ignited, and domestic waste that meets a certain calorific value standard began to burn "discharge." In an interview, the reporter learned that Shanghai’s household garbage can be disposed of. One reason is that the heat value of household waste in Shanghai has reached a certain level. As far as the country is concerned, the average calorific value of domestic garbage in Shanghai ranks among the highest.
In well-known garbage, the highest calorific value is plastic, rubber, paper, wood, etc., while metals, muck, ceramics, etc., have substantially no calorific value. Zhang Yi, deputy dean and chief engineer of the Shanghai Municipal Academy of Environmental Engineering and Design, revealed yesterday that according to a 1999 survey, Shanghai's domestic waste calorific value fluctuated in the range of 600-1300 kcal, and the average calorific value reached 1,100 kcal. . Several cities in Beijing, Guangzhou, and Shenzhen are commensurate with Shanghai, and the rest of the country is 800-900 kcal.
The calorific value of domestic garbage is a comprehensive indicator, embodying the level of the quality of the waste, reflecting the living habits, dietary structure, economic level, and consumption habits of residents in a region, as well as the characteristics of the area. Take Shanghai as an example. Before the reform and opening up, more than half of Shanghai City's urban garbage was coal ash, with little calorific value. With the change of the city's energy use structure, the current share of coal ash in municipal solid waste has fallen to about 1%. The ratio of paper and plastic accounts for 6% and 10%.
In well-known garbage, the highest calorific value is plastic, rubber, paper, wood, etc., while metals, muck, ceramics, etc., have substantially no calorific value. Zhang Yi, deputy dean and chief engineer of the Shanghai Municipal Academy of Environmental Engineering and Design, revealed yesterday that according to a 1999 survey, Shanghai's domestic waste calorific value fluctuated in the range of 600-1300 kcal, and the average calorific value reached 1,100 kcal. . Several cities in Beijing, Guangzhou, and Shenzhen are commensurate with Shanghai, and the rest of the country is 800-900 kcal.
The calorific value of domestic garbage is a comprehensive indicator, embodying the level of the quality of the waste, reflecting the living habits, dietary structure, economic level, and consumption habits of residents in a region, as well as the characteristics of the area. Take Shanghai as an example. Before the reform and opening up, more than half of Shanghai City's urban garbage was coal ash, with little calorific value. With the change of the city's energy use structure, the current share of coal ash in municipal solid waste has fallen to about 1%. The ratio of paper and plastic accounts for 6% and 10%.
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