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[来源:www.yuniguhua.com] [作者:淤泥固化] [日期:17-02-13]
污泥干化处理方式仍居首位 Sludge drying processing mode is still in the lead E20研究院据项目数据统计发现,机械脱水、热干化、好氧发酵、厌氧消化以及干化焚烧的处置方式当前占比较高。通过对全国328污泥无害化处理处置项目数据统计,目前污泥无害化处理项目中,干化的处理方式占比仍居首位,其中机械深度脱水占比高于能源干化的处置方式占比,其原因在于,一方面在政策的指引下,大部分污泥脱水干化项目采用了机械脱水填埋的处置路线, 另一方面大部分污水处理厂BOT价格中的污泥处理处置费用是按照填埋的方式计算,考虑到成本效益最大化,深度脱水填埋或是污水厂的最优选择。数据图下图: E20 institute according to project data statistics found that mechanical dehydration, heat drying, aerobic fermentation, anaerobic digestion and drying incineration disposal ways of the current is higher. By the country's 328 innocent treatment sludge disposal project data statistics, at present sludge disposal project, drying treatment of proportion is still in the lead, the depth of the mechanical energy dry dehydration ratio is higher than the disposal way of proportion, the reason is that on the one hand, in the policy under the guidance of, most of the sludge dewatering drying project adopted mechanical dehydration landfill disposal route, on the other hand most of the sludge in the wastewater treatment plant BOT price is calculated according to the way the landfill disposal cost, considering the cost benefit maximization, the depth of the dehydration of the landfill and sewage plant, the optimal choice. A data graph below: 数据来源:E20研究院 Data sources: E20 institute 众所周知,全国50%以上的垃圾填埋场已处于超负荷运转状态,污泥填埋的处置方式会随着满库容的填埋场数量增多而受阻。在生态循环的大背景下,资源化之路将逐步受到业内重视。干化方面,能源干化后的产物其含水率较低,除可用于填埋外,还可进行森林覆土、土地沙化等土地利用方面,达到污泥后端处置资源化的目的。未来在新增项目中,机械脱水项目占比或将出现下降趋势。 As is known to all, more than 50% of the country's landfill has been in a state of overload operation, sludge landfill disposal way with the full capacity of the landfill have been hindered by the rise in the Numbers. In the ecological cycle of big background, the utilization of road will be gradually by the industry attention. Drying, energy after drying the product of its moisture content is low, besides can be used for landfill, but also for the forest turns the soil, land desertification and land use, achieve the goal of sludge disposal backend resource. In the future new projects, or there will be a decline of mechanical dewatering project accounted.

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