Development and Reform Commission Releases "Circular Economy Promotion Plan for 2015"

Circular Highlights of the Circular Economy Promotion Plan for 2015

industry

Promote green mining. Promote the intensive use of resources. Promote comprehensive utilization of resources. Focus on the development of circular economy in key industries. Promote the development of biomass energy.

agriculture

The study issued "Opinions on Accelerating the Development of a Circular Economy in Agriculture". Strengthen agricultural water-saving fertilizers and economizers. Deepen the utilization of agricultural and forestry wastes. Develop pilot demonstrations of agricultural recycling economy.

Service industry

Pilot green circulation, implement green supply chain management, and guide corporate green procurement. Gradually expand the scope of implementation of green printing.

In late April, the National Development and Reform Commission formally issued the “Circular Economy Promotion Plan 2015” (Development and Reform Funds [2015] 769) involving 25 departments including the Ministry of Science and Technology, the Ministry of Agriculture, and the Energy Bureau.

The National Development and Reform Commission requested all departments to implement the plan in a timely manner, pay close attention to detailed implementation, increase the intensity of work, strengthen coordination and cooperation, and further advance the work of the circular economy to ensure the completion of the 2015 circular economy development goals and tasks.

Biomass energy: how to really glow

The "plan" proposes "to promote the development of biomass energy." Biomass refers to various organisms produced by photosynthesis in the atmosphere, water, and land. That is, all living organic substances that can grow are commonly referred to as biomass.

The development of renewable energy, including biomass, was recently held at the Annual Meeting of the Strategic Alliance for Technological Innovation in the Urban Biomass Gas Industry and the Third Forum on Biomass Gas Industry. It is said that the proportion of renewable energy in China’s energy consumption has steadily increased. In 2014, the total supply of commercial renewable energy was 411 million tons of standard coal, accounting for 9.64%, of which hydropower was 7.94% and wind power was 1.17%. Biomass and photovoltaic power generation used in modernization accounted for 0.36% and 0.17%, respectively.

The “Recycling Economy Development Strategy and Immediate Action Plan” was proposed in “Accelerating the Construction of a Recycling Industrial System” to “promote the development of biomass energy”. That is, the “Guiding Opinions for Promoting the Development of Biomass Energy Heating” shall be formulated to expedite the introduction of standards for forming fuels, molding equipment, biomass boilers, project construction and boiler emissions, and to implement biomass heating boiler heating projects in Beijing, Tianjin, Hebei and Shandong. Construction of 120 large-scale advanced biomass boiler heating projects in the Yangtze River Delta and Pearl River Delta regions to replace coal-fired boilers for heat supply; to promote biomass heat and power generation in grain-producing areas in an orderly manner, and to encourage cogeneration of conventional biomass power generation The transformation to the end of 20l5 cogeneration unit capacity of more than 100 million kilowatts.

Shi Lili said that the development of biomass energy in China is now diversified, and various technologies have started at different stages of development. For example, biogas has been developed for several decades, and biogas fuels began to develop in 2003. Power generation has developed rapidly since 2006, and solid-formed fuels have started since 2008. In general, after 2006, various bioenergy utilization technologies have been rapidly applied and have slowed since 2011. The total energy contribution in 2010 was more than 21 million tons of standard coal, and about 30.5 million tons of standard coal in 2014. However, there is a big gap between achieving the “Twelfth Five-Year Plan” goals.

In the "Solid Plan" specially proposed biomass solid-forming fuel, Shi Li-li said that its main equipment has been basically domesticated, and the main raw materials for production are straws, forestry processing, and other small coal-fired boilers that are mainly used as coal-forbidden cities. fuel. From 3 million tons in 2010 to 8.5 million tons in 2014. It is in a state of "policy promotion and steady development."

According to the “Air Pollution Prevention and Control Action Plan” promulgated by the State Council in 2013, it is required that air quality be improved in 2014, a small coal-fired boiler be fully rectified, and clean energy alternatives must be accelerated. Shi Li said that at present, the application scale of solid-formed fuel boilers in the Beijing-Tianjin-Hebei region, the Yangtze River Delta, and the Pearl River Delta region has expanded, but some regions have also banned solid fuels while prohibiting coal, which has become a new issue for the use of renewable energy sources.

Kitchen waste and sludge: reuse into key directions

The "plan" proposes that "promote the utilization of kitchen wastes and the harmless treatment." It is required to formulate the "Measures for Mid-term Evaluation and Assessment and Acceptance of the Pilot Program for the Resource Utilization and Harmless Treatment of Kitchen Waste", and carry out mid-term evaluations for some of the pilot cities. Carry out the fifth batch of trials on resource utilization and harmless treatment of restaurant kitchen waste. Promote the disposal and utilization of food waste in public institutions, and implement the project of local resource recycling and utilization of restaurant kitchen waste.

The "plan" also proposes "strengthening the construction of sludge treatment and disposal facilities", requiring the demonstration of the sludge resource utilization project to be continued, the evaluation of sludge treatment and disposal demonstration projects in urban sewage treatment plants, and the promotion of the production of biogas from anaerobic digestion of sludge. Oxygen fermentation treatment after the use of resources, in accordance with national standards for soil improvement, landscaping and so on.

Food waste, urban sludge, etc. are all urban biomass wastes. Xu Wenlong, vice president of the China Construction Technology Group Co., Ltd. and director of the Environmental Health Engineering Technology Research Center of the Ministry of Housing and Construction, said that according to statistics, the per capita food waste in China is about 40 million tons, and the waste oil is about 10%, or about 4 million. Ton. The kitchen waste has good anaerobic digestion performance, and the theoretical biomass gas production is 4 to 8 billion square meters per year. It is estimated that in 2013, China's sludge production amounted to 24-40 million tons. The urban sludge biomass biomass gas production is 6-1 billion cubic meters per year.

The “plan” requires “developing the fifth batch of trials for the utilization and harmless treatment of restaurant kitchen wastes”. Xu Wenlong said that 83 cities in the first, second, third and fourth batches of restaurant kitchen waste disposal pilots have been The government subsidizes about 2 billion yuan. According to statistics in 2014, 15 of the first three batches of 66 pilot cities (districts) have been completed, accounting for 23% of the total; 6 of them have been put into formal operation, accounting for 9% of the total; There are 25 of them, accounting for 38%; there are 26 cities (regions) that are carrying out preparatory work, accounting for 39%.

Despite the operation of some pilot sites, Xu Wenlong believes that the technology for the utilization of urban biomass waste in China is still at the initial stage. The technology for comprehensive utilization of landfill gas is relatively mature and there are many successful cases; however, kitchen waste and urban sludge There is a huge processing gap that can not meet the needs of the existing waste resource treatment; the technical technology of urban biomass resource is not yet mature, it still needs further improvement, strengthens technical research, and establishes a sound urban biomass waste treatment technology system. The main issues currently facing. At the same time, China lacks a supporting technical standard system, which also restricts the marketization and standardized development of urban biomass waste technology; the construction of urban biomass waste utilization facilities needs comprehensive consideration and rational distribution; different types of biomass waste, such as municipal solid waste classification After the organic components, kitchen waste, municipal sludge, and landscaping waste can be considered collaboratively.

In addition to the “Cyclic Economy Development Strategy and Immediate Action Plan” that focuses on the issue, Xu Wenlong said that “the State Council has approved the Ministry of Housing and Urban-Rural Development and other departments’ notice on further strengthening the municipal solid waste treatment work” and the “General Office of the State Council on Printing and Publishing Ten. The 2nd Five-Year Plan on the National Planning for the Construction of Domestic and Municipal Garbage-free Garbage Treatment Facilities emphasized that "the utilization of urban biomass waste is the key development direction."

Wall Material: Increase Investment to Promote Technological Innovation

The "plan" put forward the "Implementation of Green Building Action" and called for the active development of wall materials, the issuance of the "Circular on Strengthening the Management of Special Funds for New Wall Materials", the study of the revision of the new wall materials catalogue, the strengthening of classified guidance, and the introduction of new types of walls. Healthy material development. Study and promote the “13th Five-Year Plan” reform of wall materials.

Gypsum is a large variety of wall materials. At the "National Environmental Protection Industrial By-Product Gypsum Resource Utilization Engineering Technology Center Launch Conference and Industrial Byproduct Gypsum Resource Utilization and Circular Economy Development Seminar" held in Nanjing, Tang Shaolin, president of Jiangsu Yifu Technology Co., Ltd. said that Jiangsu Yifu has long been engaged in Industrial by-product gypsum reuse. The use of industrial by-product gypsum to produce gypsum blocks, slats, components and other products, not only low carbon emission intensity, and gypsum wallboard wall light weight, good seismic resistance, good economy, a high proportion of foreign applications.

As industrial waste discharged from industrial production, the amount of gypsum produced in China’s industrial by-products is huge. Taking 2013 as an example, the total amount of emissions is as high as 180 million tons, but the overall utilization rate is less than 50%, and most of them are accumulated around the plant area. The environmental pollution and waste of resources caused by this problem are very serious.

According to statistics, in 2013, the comprehensive utilization of industrial by-product gypsum was approximately 86.6 million tons, of which 60 million tons was used for cement production, 21.6 million tons for the gypsum board industry, and 4 million tons for the production of wall materials. The other consumption is about 1 million tons.

China National Construction Materials Federation gypsum branch secretary Yang Zaiyin said that the state should increase its support for the industrial by-product gypsum industry policy. “If projects are invested by local governments, priority should be given to the use of new energy-saving wall materials made of industrial by-product gypsum. By strengthening efforts to support the development of large-scale gypsum wall materials companies, we will increase the application ratio of gypsum wall materials by point and zone."

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