Subsidies for sludge disposal vary from place to place in China, but they all aim at the long-term sustainable operation of environmental protection projects. In terms of subsidy amount, both national and local governments take the sludge disposal method and the achieved effect as the measurement standard.
Beijing: The cooperative disposal scheme of drying and cement kiln, with the subsidy exceeding 261 yuan/ton.
Shanghai: Shidongkou Project adopts the scheme of dry incineration, and the subsidy is about 281 yuan/ton.
Guangzhou: The current subsidy level for sludge treatment is 311 yuan per ton. The cost of sludge composting is about 51~111 yuan per ton, and incineration is 111~151 yuan per ton, in addition to transportation costs.
Huzhou, Zhejiang province: 81% of the total cost of sludge disposal from sewage treatment plants with public welfare nature is subsidized by the county finance, and 21% of the total cost of sludge disposal from other enterprises is subsidized by the county finance.
Chongqing: It is clear that sludge disposal should be promoted in the main urban area according to the idea of "recycling dry landfill" and in the outer suburban counties and cities according to the idea of "recycling landfill". According to the different water content of sludge (between 61% and 81%), the garbage disposal site charges the sewage treatment plant a sludge treatment fee at a price of 61 to 81 yuan per ton; The sludge treatment fees paid by the sewage treatment plant are all subsidized by the municipal finance.
Hebei: composting technology, with a subsidy of about RMB 151/ton.
Nanjing: The government subsidizes 161 yuan to recycle sludge by using sludge drying equipment.
Extended information:
1. Relevant national and local authorities should strengthen supervision over the planning, construction and operation of sludge treatment and disposal facilities; Operating units of sludge treatment and disposal facilities (hereinafter referred to as operating units) shall ensure the safe and stable operation of sludge treatment and disposal facilities.
2. The operating unit shall strictly implement the relevant national laws, regulations and management regulations on production safety and implement the responsibility system for production safety; Implement relevant national occupational health standards and norms to ensure the health of employees; Relevant emergency response plans should be formulated to prevent accidents that endanger the safety of the public.
3. Urban sewage treatment plants, sludge transport units and sludge receiving units should establish a sludge transfer receipt system, and regularly report the recorded receipt results to relevant local authorities.
4. The operating unit shall establish a complete system of detection, recording, archiving and reporting, and track, record and report the whereabouts, uses and dosage of the sludge and its by-products after treatment and disposal, and keep relevant information for at least 5 years.
5. Relevant local authorities should supervise and manage the whole process of sludge land utilization according to their respective responsibilities. The sludge land utilization unit shall entrust a third-party organization with relevant qualifications to regularly evaluate the changes of environmental quality after the sludge derivative products are used for land. Livestock and poultry should be prohibited in sludge treatment and disposal sites.
6. Relevant local authorities should strengthen the supervision and management of landfills. Landfill operation units shall regularly monitor the background values of sludge, water, gas and soil in the landfill site and the operation impact in accordance with relevant national standards and norms.
7. The sludge incineration operation unit shall regularly monitor the sludge properties, sludge quantity, discharged wastewater, flue gas, slag and fly ash in accordance with relevant national standards and norms. Sludge comprehensive utilization units also need to monitor and record the nature and quantity of sludge derived products.
People's Daily Online-Environmental Chamber of Commerce of the All-China Federation of Industry and Commerce suggested that the charging standard for sludge treatment should be clarified.