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生物淋滤技术在去除污泥中重金属的应用进展
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摘要
污泥的稳定化处理、安全处置和资源化利用已成为城市污水处理领域急需重点解决的问题。生物淋滤技术可以有效的去除污泥重金属、改善污泥脱水性能、消除病原菌、控制污泥恶臭,是一种具有广泛应用前景的污泥处理处置技术,对污泥的安全处置和资源化利用具有重要意义。本文从生物淋滤的作用机理、影响因素、反应器及工艺流程等方面对污泥重金属生物淋滤技术进行了详细介绍,并对目前污泥生物淋滤技术研究和应用上存在的问题和发展方向进行了探讨。
The stabilization processing, disposition and utilization of sludge has become a key problem. Bioleaching has been proved to be a technologically feasible sludge treatment process, which has a wide application in removing heavy metals from sludge,improving dewatering of sludge, eliminating pathogens in sludge, controlling effluviums from sludge. Bioleaching technology has significant meaning to sludge resource recovery, utilization and disposal. The mechanisms of heavy metals removal,influence factors, technological process and reactors of sludge bioleaching technology were reviewed in details.In further, the problems and prospects about research and application of sludge bioleaching technology were proposed.
引文
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