Hazardous waste accounts for more than 70% of Heilongjiang. How can Daqing take the road of "waste-free"?

A city is like a living person, always consuming various resources and creating various garbage or waste.

Daqing, a city with the petroleum and petrochemical industry as its leading industry, generates relatively large solid waste. Data in recent years shows that the city's hazardous waste generation accounts for more than 70% of the province's hazardous waste utilization and treatment capacity ranks among the best in Heilongjiang Province. The province has the largest number of hazardous waste business units and the overall infrastructure is relatively complete.

Daqing actively practices the concept of "lucid waters and lush mountains are invaluable assets" and always keeps in mind General Secretary Xi Jinping's instructions to "be a good benchmark and build a century-old oil field". In 2022, it will be included in the first batch of "waste-free cities" during the national "14th Five-Year Plan" period. The list of "waste-free cities" has achieved many hard-core results and has led the province's "waste-free cities" construction to improve the quality and efficiency.

"Daqing's construction of a 'waste-free city'has been given a special mission by the country and the province. In terms of accelerating the exploration of a' waste-free 'path suitable for the transformation of resource-based cities, we must make every effort to create a replicable and generalizable Daqing's' waste-free 'path." Staff from the Waste Free Office of Daqing City told reporters that it is expected that in 2025, a Daqing model integrating waste control and city management, production and waste management and industry, and waste introduction and guidance will be completed.

Anchoring the "waste-free benchmark", hard-core achievements can be seen and felt

What kind of "city" is a "waste-free city"?

"'Waste-free city'does not mean that the city has no waste." The staff of the Municipal Waste Free Office said that "waste free" here is an advanced urban management concept. By promoting the formation of green development methods and lifestyles, we will continue to promote source reduction and resource utilization of solid waste to minimize the amount of landfill to minimize the environmental impact of solid waste.

In Daqing, the visibility and feeling of people and enterprises may make this current "hot word" more popular-

Zhao Xinxin, a resident of Galaxy Sun City, said that waste cartons and mineral water beverage bottles at home can be sent to the "recycling hut" at your doorstep at any time for sale."You can also make an appointment to visit your home, which is environmentally friendly and convenient! I heard that points can be exchanged for daily necessities in the future."

Wang Zhaohui, general manager of Daqing Yuhe Environmental Protection Technical Service Co., Ltd., said that the 80 tons of urban kitchen waste "swallowed" by the Daqing City Kitchen Waste Treatment Plant every day has been utilized as resources. Currently, the biodiesel raw materials extracted from kitchen waste have achieved a cumulative effect of more than 6 million yuan.

Yu Shouzhu, deputy director of the urea plant area of the Fertilizer Operation Department of Daqing Petrochemical Company, said that the company compresses, dries, cools and other treatments to form "an emerging oil displacement agent","which not only reduces carbon emissions, but also improves existing Oil recovery factor in oil fields. The annual production load is 400,000 tons of carbon dioxide, which is equivalent to an increase of 400,000 acres of forest area."

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In 2022, Daqing was selected into the list of the first batch of "waste-free cities" construction during the national "14th Five-Year Plan" period. Since then, from the Urban area to the Kuangqu, then to the towns and villages, a beautiful construction in the name of "waste-free" has started from the top-level design and connected to every citizen.

Daqing has anchored the primary goal of "building a benchmark for the construction of a 'waste-free city' among cities in resource transformation across the country", accelerated the exploration of a "waste-free" path suitable for the transformation of resource-based cities, and achieved remarkable results: high-level positions and high-standard promotion. The "waste-free city" construction leading group with the municipal party committee secretary and mayor as double leaders leads the leadership, and the working mechanism of "special shift system promotion, project-based management, and list-based implementation" operates efficiently. Incorporate the effectiveness of the construction of "waste-free cities" into the battle against pollution, government work reports, county (district) and departmental target responsibility assessments, strengthen supervision and effectiveness, and form a good trend of stubble suppression. The city's 86 tasks have achieved remarkable results; the first national-level green park in Heilongjiang Province has been successfully established, the classification coverage rate of domestic waste in public institutions in the city has 100%, and the standardized assessment of hazardous wastes has achieved A level for four consecutive years... As of the end of May 2024, the city has created a total of 569 "waste-free urban cells" in 14 types, ranking first in the province; We have initially formed characteristic models such as the "waste-free green oil field" construction model, the "integrated biomass straw refining" green development model, the environmental service-oriented "Internet + waste recycling" model, and the "waste-free urban cell" creation model with national participation...

Create a "waste-free industry" and increase the content of "green new gold"

The "waste-free industry" that Daqing strives to create not only has "green content", but also "new content" and "gold content".

"The sludge incineration project has three units: sludge drying, sludge incineration, and flue gas treatment, and is now in the trial operation stage." At the site of Daqing Petrochemical Company's newly built sludge incineration project, Wang Tianyu, a third-level engineer in the sewage plant area of the company's public works department 2, said,"After the project is fully completed, it will mainly treat all biochemical sludge produced by Daqing Petrochemical Company's refinery area and biochemical area sewage treatment plant., can achieve a 90% reduction in hazardous waste."

In the production workshop of Daqing Shengquan Green Technology Co., Ltd., it is busy. The world's first integrated biomass refining technology developed by the company processes about 1100 tons of various types of straw every day. "Through this technology, the pulp yield can reach more than 45% of straw." Li Zhaozheng, general manager of Daqing Shengquan Green Technology Co., Ltd., told reporters that the hard carbon anode material project with an annual output of 80,000 tons is in full swing. After the project reaches production capacity and efficiency, the annual output value is expected to reach at least 4 billion yuan.

Daqing strengthens carrier support for "waste-free city" construction projects and creates a "waste-free industry": regularly updates and improves the "waste-free city" key project project library (currently 49 projects), of which 26 projects including 1500 tons/day municipal domestic waste incineration power generation project, 18 tons/day Daqing Petrochemical Company sludge incinerator, and 400,000 tons/year Fertilizer Plant CO ˇ recycling project have been completed and achieved.

"Currently, 23 projects under construction or confirmed implementation, including the 80,000 tons/year hard carbon anode material project, the 30,000 tons/year Everbright Green Environmental Protection Solid Waste Disposal Center, and the entire county livestock and poultry manure utilization project in Zhaoyuan County are in progress; The Shengquan Biomass Straw Refining Integrated Project has passed the national preliminary review as a typical case of synergy between pollution and carbon reduction..."Wang Chunyang, the leader of the" waste-free city "work in Daqing City and chief of the Solid Waste and Chemicals Section of the Daqing City Ecological Environment Bureau, told reporters that the construction of the Venous Industrial Park in Longfeng District is advancing, and will focus on the area near Liu Gaoshou, where domestic waste incineration power plants gather, gradually strengthen the waste-free industrial chain. "Through refined utilization of the heat and gases that have once dissipated, they can become important profit points for the industrial park."

Today, in Daqing, the "waste-free industry" has further optimized the city's solid waste utilization and disposal capabilities. The "green content" and "new content" on the front line of the industry have been continuously improved, and have been transformed into development "gold content" in practice, boosting Daqing's "waste-free city" construction has gone deeper and more practical.

Extend the "waste-free field" and move towards a better life

If the construction of a "waste-free city" is compared to a train, then the "Daqing" train undoubtedly originated from industry. However, this train is not an industrial train.

In order to allow every Daqing citizen to become a sharer in the construction of a "waste-free city", Daqing has combined the actual situation with the construction of a "waste-free city" around five major fields: industry, agriculture, life, construction, and hazardous waste, and has set up 5 primary indicators, 17 secondary indicators and 40 tertiary indicators.

After nearly two years of construction of a "waste-free city", Daqing has now completed the establishment of 10 national-level green factories and 1 national-level green park, and 2 parks have started recycling transformation; the rural domestic waste collection, transportation and disposal system has achieved full coverage and average daily kitchen waste collection and transportation rate ranks among the top in Heilongjiang Province; The proportion of e-commerce express shipments in the postal express delivery industry that are no longer repackaged has reached 90.2%, and the number of outlets equipped with packaging waste recycling devices has accounted for 86% of the total number of outlets... With the support of the construction of a "waste-free city", Daqing has become bluer, The water is clearer and the soil is cleaner, and every citizen is a beneficiary. According to a questionnaire satisfaction survey, in 2023, public satisfaction with the construction of "waste-free city" in Daqing City will reach 96.6%.

By 2025, Daqing will form a "waste-free city" construction model and typical experience. "After the completion of the 'waste-free city', it will be real to the people-waste can be reduced and pollution can be reduced; waste can be used and waste can be turned into treasure; waste can be eliminated and the city will be cleaner. Daqing will be more livable and suitable for work, more beautiful and happy, greatly enhancing the sense of gain and happiness of local residents and foreign tourists." Wang Chunyang said that by then, solid waste sites such as urban domestic waste sites and oil field Kuangqu mining areas will become places for popular science education, leisure and entertainment through geological environment restoration and ecological project restoration; realize full utilization of agricultural organic waste, full coverage of county utilization, and full cycle of low-carbon cycle development of composite utilization; the "waste-free" factor is integrated into the life of the whole people, and citizens 'lifestyles are simple, moderate, green and low-carbon.