真人做人爱试看一

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          Is there any misunderstanding about sludge disposal technology in china?

          Author: Taida machine       Release time:2016-08-20
          Reading guidance:In our country, the sewage treatment work started earlier, the construction of sewage treatment facilities are perfect, but, as the treatment and disposal of waste sludge would inevitably arise in the
              In our country, the sewage treatment work started earlier, the construction of sewage treatment facilities are perfect, but, as the treatment and disposal of waste sludge would inevitably arise in the process of waste water treatment is serious lag. Therefore, the work of sludge treatment and disposal is one of the key pollution prevention and control work in our country. Experts said, China sludge treatment and disposal market confusion, sludge treatment technology route is not clear, the enterprise strength and quality control of sludge market is not strict, the threshold is not high. At the same time, sludge treatment and disposal policies, regulatory mechanism of sludge treatment and disposal have some deficiencies. This paper mainly describes some problems of sludge treatment and disposal of in technology, so in China what are the deficiencies in the sludge treatment and disposal?
             1. Understanding of reclamation 
             The extent of the development of sludge treatment and disposal technology, still can not effectively realize energy recovery and reuse of materials, in order to realize the economic benefit and energy saving effect. Sludge resource must consider the overall, not to split the entire disposal processes and emphasize a local unit process effect, so that the concept of sludge. Individual enterprises for the purpose of selling unit process, only emphasizes the individual units of the process can realize energy recovery and reuse of materials, from other disposal processes need to invest energy and cost, selection of misleading technology, aggravated the disposal technology of sludge treatment chaos. Some decision makers mistakenly believe that the sludge is resources, sludge treatment and disposal can profit of sludge treatment and disposal of misunderstanding, affect the effective operation of the whole system.
          We believe that the sludge treatment and disposal is requires the government to invest and set up the charging system to support public welfare undertakings, should with "reduction, stabilization, harmless" for the purpose. "Resources" is not an end, but a important principle to sludge utilization and disposal process of energy and material, in order to achieve the resource value. For example, sewage sludge composting and incineration of sludge treatment means, and not to produce products access to energy and to reap the economic benefits for the ultimate goal as possible. In general, sludge compost, incineration of sludge in energy and capital must be greater than the profits of energy recovery and reuse.
          2. Choosing proper design and plans according to local conditions is a very important principle
            The technical route of different countries is not the same, there are differences in different regions of the same country, local conditions should be the basic ideas and principles of technology selection. China's vast territory, different regions of the natural environment, human environment, industrial structure and the level of economic development of various regions are different from their own characteristics, adopt technology the optimal path. At the same time, foreign technology must be combined with China's specific national conditions, must not be applied mechanically. For example: the sludge incineration process reduction effect is obvious, and occupies less space, but its construction investment and operating costs are relatively high, applies only to the big city, a large town group as well as the shortage of land area but not without analysis of unrestricted application; at the same time, China is lack of energy in the country, and therefore, aerobic stability need to consume a lot of energy technology compared to anaerobic sludge Digestion and various forms of land use is more suitable for China's national conditions.
             3. Lack of technical policy
             Technology policy is an important guarantee for the effective implementation of the technical route. The sludge treatment disposal technology policy now is still a blank and need to addressed from the following aspects: 1. establish a evaluation system to deal with the disposal of sludge. Immediately carry out the sludge production in our country, quality of sludge, sludge disposal and reuse of the present situation of the research and evaluation of; to speed up the urban sewage treatment plant sludge treatment, disposal technology of preparation, pay close attention to the establishment of sludge treatment system and method for evaluating disposal technology. 2. in view of the current used for sludge treatment and disposal of insufficient funds, shall ensure the construction and operation of incentive measures, treatment and disposal of sludge and sewage treatment should be of equal importance. According to the actual situation of the local sewage charges, formulate policies and reasonable system (including sludge treatment and disposal operation). 3. need fiscal tilt policy. National response to sludge treatment utilization project to policy disposal process guidance. Through financial subsidies, tax incentives and other economic levers to guide enterprises to actively adopt technology of energy recovery and reuse of materials. (4) the establishment of acceptance and encourage foreign investment, private capital to actively participate in the relevant policy system for sludge treatment and disposal and investment the operation, in the light of its general trend of development and exploration of sludge treatment and disposal technology suitable for China, and promoting the market development of sludge disposal.
           

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          Zhengzhou Taida Group    Address:NO. 198,longding industrial zone,high-tech development zone,zhengzhou city,china    Sitemap

          真人做人爱试看一

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