市污水处理厂污泥处理处置的政策分析.doc

城市污水处理厂污泥处理处置的政策分析 岑超平 张德见 韩琪 （国家环境保护总局华南环境科学研究所，广东 广州，510655） 摘 要：简要介绍了城市污水处理厂污泥处理处置技术，提出污泥产业发展政策的建议，指出土地利用是符合我国国情的污泥处置的方向之一。污泥处理技术主要有减量化、浓缩、脱水、消化、堆肥等；污泥处置技术主要有焚烧、填埋、土地利用、建材利用等。污泥处理处置应按照减量化、稳定化、无害化原则，鼓励污泥综合利用合理确定设施的布局和设计规模鼓励disposal in municipal wastewater treatment plant CEN Chao-ping ZHANG De-jian HAN Qi South China Institute of Environmental Sciences SEPA, Guangzhou, 510655, China Abstract: The techniques for sludge treatment and disposal in municipal wastewater treatment plant are introduced, the advice for sludge industrial development policy is indicated. It is pointed out that land application is one of the appropriate approaches for sludge disposal in China. Sludge treatment technologies include reduction, thickening, dewatering, digestion and composting. Whereas, Sludge disposal technologies include incineration, land filling, land application and building materials. The principle of sludge treatment and disposal is to be reductive, steady and harmless and the resourceful use is advocated. The arrangement and design scale of establishments for sludge treatment and disposal should be suitably confirmed. The preferential policy of revenue and fee should be established for sludge treatment and disposal. The operational expenses of sludge treatment and disposal should be definitely comprised in the charge of sewage water discharge. And the scientific compensatory mechanism of price should also be established. Government plays an important role in the development of sludge treatment and disposal industry, which includes service and supervise, that is promise, guarantee and corresponding. Keyword: municipal wastewater treatment plant; sludge; treatment and disposal; policy 目前全国每年产生的污泥量大约为300万吨[1]，污泥的储存、处理处置及资源化过程中均可能危害环境，污泥的处理处置已成为一个世界性的社会和环境问题。* 本文旨在通过对当前污泥处理处置技术及其发展趋势的分析，探讨我国城市污水处理厂污泥处理处置的有关政策。 1 污泥处理处置现状及问题分析 1.1城市污水污泥处理技术 1.1.1污泥减量化 污泥减量技术指在污水处理过程中，保证污水处理效果的前提下，采用适当的措施使污泥量降低的各种技术，包括物理法、化学法、生化法。其中生化法减量技术应得到大力推广[2]。 1.1.2 污泥浓缩 污泥浓缩包括重力浓缩、气浮浓缩、离心浓缩、带式浓缩