Study On Resource Evaluation And Industry Development Models Of Agricultural Bioenergy In China

Agricultural bioenergy can effectively replace fossil fuels,The development of agricultural bioenergy and related industries are very important for optimizing the energy structure, reducing external dependence, ensuring national energy security and stabling energy supply system. Based on the results of field survey,scientific information collected,and statistical data from 2000 to 2007 that about China's biomass resources storage and the development status of bioenergy industries, The paper has studied biomass resources available capacity of different areas in China, energy status and potential of alternative,systematically analyzed the development status of agricultural bioenergy industries, distribution pattern, economic driving effect,revealed the chain of agricultural bioenergy industies, development model, management means and the operation mechanism of industrial policy. The results provided a theoretical basis and scientific support for China's bioenergy resources and the industry's overall planning, rational distribution and health development.This paper has obtained the following conclusions:(1)Based on the minimum statistical data, the obtainable biomass in China is totally 20 907 million ton, in which 190 million ton from crop residues, 899 million ton from livestock and poultry excrements, 299 million ton from forest and wood. It can substitute fossil energy 57.821 million tce (tons of coal equivalence), in which 7.199 million tce from crop residues, 31.316 million tce from livestock and poultry excrements, 17.079 million tce from forest and wood, 2.228 million tce for waste solid and water. Besides, the rice hull can substitute 1.526 million tce's fossil energy, while the conversed ethanol with sugarcane and potato can substitute 2.062 million tce. The biomass resource in China mainly distributes in Sichuan Province, Henan Province, Shandong Province, Heilongjiang Province, Inner Mogonious Autonomous Region, Xinjiang Autonomous Region and Yun'nan Province. The highest density of bioenergy is in Henan Province, Shandong Province, Jilin Province and Shanghai City, the higher, is in Sichuan Province, Hunan Province, Hebei Province, Liaoning Province, Beijing City and Tianjin City. The results of object quota method show that the crop residue potential could be 25.070 million tons in the year of 2010, and 29.471 million tons in the year of 2015.(2) Agricultural bioenergy industries are basically reasonably distributed in our country. The biogas utilization in rural area, especially those for house and larger biogas projection for wastes treatment, was rapidly developing, and achieved for comprehensive utilization. But the agricultural bioenergy industry in our country has much disparity compared with objection, which left great developing space. The main questions which needed to resolve of bioenergy industry are following: the bottle-neck restriction of raw material, the technical level for industrialization, the feasible planning for industry distribution and developing scale, the inadequate utilization of by production, the lower comprehensive benefit, the maneuverability and equity and systematic of industrial policy, stackholder system, the systematic of industry chain.(3)Agricultural bioenergy industry has great benefit to economic, environment and society, can impel the development of surrounding area. Some also could be a CDM project, and most has a base for recycle economic. The development of agricultural bioenergy industry could avoid the disadvantages of traditional energy and other industry. The bioenergy industry that has good traditional base in our country shows well trend in capacity and scale. But some other industries need further adjusting in recycle model and raw material utilization, some need to enlarge scale and alter produce providing mode comparing to foreign courtries. In the same time, the criterion, standard and admittance must be established in time to prevent our country's lack resource overused by some foreign enterprises.(4)Assembling the existing techniques, keeping the idea of recycle economic, this paper put forward some technique models such as biogas generation, fuel ethanol conversion, electricity generation, biomass diesel production. These models include most aspects of industry development as raw material obtaining, intermedia produce and by production utilization, and waste treatment, expecting it can reach the circular economy.(5)The basis of planning and rational distribution of agricultural bioenergy industries is to understand the amount of available resources. Developing industry standards and norms are conducive to coordinated development of the economic cooperation organization, streamline distribution systems and reduce production costs. Public acceptance to agricultural bioenergy and industry affected by many factors, Development of agricultural bioenergy industry, first overall planning, and in many ways to promote, such as policy, funding, technology, management and publicity and so on. Financial and other support policies can significantly stimulate the development and utilization of agricultural bioenergy.