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[來源:www.haradaip.com] [作者:淤泥固化] [日期:17-02-13]
污泥干化處理方式仍居首位 Sludge drying processing mode is still in the lead E20研究院據項目數據統計發現,機械脫水、熱干化、好氧發酵、厭氧消化以及干化焚燒的處置方式當前占比較高。通過對全國328污泥無害化處理處置項目數據統計,目前污泥無害化處理項目中,干化的處理方式占比仍居首位,其中機械深度脫水占比高于能源干化的處置方式占比,其原因在于,一方面在政策的指引下,大部分污泥脫水干化項目采用了機械脫水填埋的處置路線, 另一方面大部分污水處理廠BOT價格中的污泥處理處置費用是按照填埋的方式計算,考慮到成本效益最大化,深度脫水填埋或是污水廠的最優選擇。數據圖下圖: 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: 數據來源:E20研究院 Data sources: E20 institute 眾所周知,全國50%以上的垃圾填埋場已處于超負荷運轉狀態,污泥填埋的處置方式會隨著滿庫容的填埋場數量增多而受阻。在生態循環的大背景下,資源化之路將逐步受到業內重視。干化方面,能源干化后的產物其含水率較低,除可用于填埋外,還可進行森林覆土、土地沙化等土地利用方面,達到污泥后端處置資源化的目的。未來在新增項目中,機械脫水項目占比或將出現下降趨勢。 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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