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Research on the Policy, Standards and Current Utilizing Situation of Municipal Sewage Sludge Land Use

机译：城市污水污泥土地利用政策，标准及利用现状研究

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As of 2009, the treatment amount of China municipal wastewater reached 24.42 billion tons, generating approximately 48.85 million tons of sludge with 90% water content which will be at more than 15% year growth rate. Scientific treatment and disposal of sludge has become a big stink need to be solved urgently in China. There is a large amount of organic matter, nitrogen, phosphorus and other nutrients plants need in sludge, as determines the feasibility of land use of sludge. Moreover, land use may be a more advanced way for sludge disposal than the other disposal methods, such as landfill, ocean disposal, incineration, according to the material recycling, land resources conservation, economic factors, even the control of secondary pollution of sludge disposal. However, there are high water content, heavy metals, organic pollutants and pathogenic factors in sludge which is easy to corrupt, as confines the land use of sludge. In this paper, research was carried out as follows: (1) The analysis of policies and standards and present situation of land use in China was done; (2) The present situation and comparison of management policies and land use of sludge situation were discussed; (3) The disposal issue including technology, ways, future, indemnity policies of sludge land use in china, combined with the advanced experience of other countries, were analyzed as well. As a result, we conclude that it is critical to generalize the land use of sludge in China, unless there is assurance including firmer policy and clearer standard, advanced fore-treatment and land use technology, and best of all, the beforehand long-term observation.
机译：截至2009年，中国城市污水处理量达到244.2亿吨，产生了约4,885万吨污泥，含水率达90％，年增长率超过15％。科学处理污泥已成为中国亟待解决的一大臭味。污泥中植物需要大量的有机物，氮，磷和其他养分，这决定了污泥土地利用的可行性。此外，根据物料循环利用，土地资源节约，经济因素，甚至控制污泥处置的二次污染，土地使用可能是比其他处置方法（如垃圾填埋场，海洋处置，焚化）更先进的污泥处置方式。 。但是，污泥中水含量高，重金属，有机污染物和致病因子容易腐烂，限制了污泥的土地利用。本文的研究工作如下：（1）对我国土地利用的政策，标准和现状进行了分析; （2）讨论了现状及管理政策与污泥土地利用现状的比较; （3）结合我国的先进经验，分析了我国污泥土地利用的技术，方式，未来，补偿政策等处置问题。因此，我们得出结论，除非有包括更严格的政策和更明确的标准，先进的前处理和土地使用技术以及最重要的是长期的长期保证，否则在中国推广污泥的土地利用至关重要。观察。

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