Source: Half Moon Talk
The growth rate of domestic garbage is relatively fast, and the daily processing capacity of some domestic waste landfills exceeds the design capacity, and the landfill is overloaded. Frontline workers have called for increased investment to ease their immediate needs, and waste reduction should be laid out as early as possible.
Multi-regional storage capacity will warn the daily processing demand super design
Some landfills are planned earlier, and the garbage growth rate exceeds the design expectations and is overloaded. The total storage capacity of the Zhengzhou Municipal Waste Treatment Plant is 15.73 million tons, and the daily processing capacity is 2,300 tons. It was completed and put into use at the end of 2005. The estimated service life is 22 years. However, about 7,000 tons of garbage were generated during the peak period of Zhengzhou City, of which 2,000 tons were used for incineration and power generation, and the maximum daily on-site garbage was about 5,000 tons. The remaining library capacity of the field is rapidly reduced, and complaints from landfill odors and disturbances have increased, which has become a problem faced by landfills. According to the party's party application, the on-site leachate treatment capacity is 900 tons per day, but now the daily production has exceeded 1,000 tons, and it has to be temporarily used in the planned landfill to store excess leachate. However, the person in charge of the on-site leachate treatment company said that delaying treatment will lead to increased processing costs and difficulty. According to the calculations of the party's application, if the new storage capacity is not opened, the landfill will face the danger of landfilling in June next year. Now, through the heightening of the heap and the reconstruction of the inter-pile channel, the new storage capacity will be created, which is expected to be completed and put into operation next June. Incineration power plants (designed to handle 4,000 tons per day) fight for time.
Similar to the Zhengzhou Municipal Waste Treatment Plant, the waste landfill capacity of Xinyang City has reached the design limit by the end of 2015. More than 400 tons of garbage can only be piled up in the original pile every day, and the site is expanding. “The daily processing capacity of Wenxian Domestic Waste Landfill has exceeded design expectations, and the storage capacity is expected to be used for 2 years.†Wang Changtai, member of the Party Committee of Wenzhou Urban Management Bureau of Jiaozuo City, said that “urban and rural sanitation integration†is shortening this period to one. Over the years, new garbage disposal terminals are urgently needed.
It is estimated that by 2020, Henan Province will produce 35 million tons of domestic garbage and 120 million tons of construction waste each year. The traditional harmless disposal capacity is seriously insufficient.
The surge in domestic waste is more than expected. Landfill site selection is difficult.
The survey found that there are three main reasons for the overload operation of landfills: the increase in urban waste production exceeds expectations, and it is difficult to consider the entry of township garbage and the site selection of landfills at the beginning of the design.
According to the party's application, the city's extension of Zhengzhou City has expanded rapidly, the service radius of the landfill has expanded beyond expectations, the urban population has increased, and the city's other garbage disposal capacity has not been improved in time. The overload operation of the landfill is inevitable.
“The landfill design did not take into account the township garbage at the beginning of the project.†According to Lu Ximin, head of the Public Utilities Section of Xinyang Urban Management Bureau, in recent years, in order to improve the rural living environment, the garbage of townships around the landfill was transported. Going to the city landfill has increased the operational burden of the landfill.
Liu Zugang, deputy director of Xinyang City Management Bureau, said: "The masses support the planning of a new garbage disposal site, but they oppose the neighboring place of their own, so there is great difficulty in planning and demolition. In addition, the government construction land index is tight, and contiguous land It is very difficult to build a landfill, and it will also affect the industrial and commercial enterprises to settle in the surrounding area."
Increase the input to alleviate the urgent need for waste reduction
“At present, the direct cost of processing one ton of garbage in landfills is only over 10, and low input affects the quality of garbage disposal; the treatment of frontline employees is low, and the social recognition is not high, resulting in a shortage of direct operations.†On the basis of the investment in facilities and the improvement of the processing capacity of the landfill, the salary of hard work will be improved; in addition, even if the processing capacity of the incineration facilities will meet the urban waste disposal needs, some of the storage emergency needs to be set aside.
It is understood that Henan is accelerating the construction of a municipal solid waste incineration treatment facility. It is planned that by 2020, all provinces and municipalities should plan to construct a batch of domestic waste incineration treatment facilities covering a radius of 40-60 kilometers. The province's domestic waste incineration capacity is fully realized. More than 50% of the domestic garbage disposal capacity.
Liu Zugang suggested that in order to speed up the construction of waste treatment facilities, the government should tilt the infrastructure land on the land use policy, ease the tension of land use for garbage disposal facilities, increase the incentives, mobilize the waste classification and deal with the enthusiasm of enterprises; Management standards should be refined to facilitate the improvement of implementation efficiency at the grassroots level.
It is reported that in order to solve the problems of “garbage besieged city†and “waste siegeâ€, Henan will start construction of 25 domestic waste incineration power generation projects next year, and the cumulative disposal capacity after production will reach 54,000 tons/day.
The relevant person in charge of the environmental protection and urban management departments has called for the removal of obstacles affecting the development of industries such as waste sorting, treatment and reuse in the long run, and promoting the implementation of waste reduction measures.
Editor in charge: Miao Rong
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