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[來源:www.haradaip.com] [作者:淤泥固化] [日期:19-10-21]

幾種淤泥處理的方法及優缺點分析
Analysis of advantages and disadvantages of several sludge treatment methods
①淤泥的衛生填埋
① sanitary landfill of sludge
這種處置方法簡單、易行、成本低,淤泥又不需要高度脫水,適應性強。但是淤泥填埋也存在一些問題,尤指填埋滲濾液和氣體的形成。滲濾液是一種被嚴重污染的液體,如果填埋場選址或運行不當會污染地下水環境。填埋場產生的氣體主要是甲烷,若不采取適當措施會引起爆炸和燃燒。
This disposal method is simple, easy to operate, low cost, sludge does not need high dehydration, strong adaptability. But there are also some problems in sludge landfill, especially the formation of landfill leachate and gas. Leachate is a kind of seriously polluted liquid. If the landfill site is located or operated improperly, it will pollute the groundwater environment. The gas produced in landfill is mainly methane, which will cause explosion and combustion if proper measures are not taken.
②淤泥的直接土地利用
② direct land use of silt
淤泥土地直接利用因投資少、能耗低、運行費用低、有機部分可轉化成土壤改良劑成分等優點,被認為是最有發展潛力的一種處置方式,科學合理的土地利用,可減少淤泥帶來的負面效應。林地和市政綠化的利用因不易造成食物鏈的污染而成為淤泥土地利用的有效方式。淤泥用于嚴重擾動的土地(如礦場土地、森林采伐場、垃圾填埋場、地表嚴重破壞區等需要復墾的土地)的修復與重建,減少了淤泥對人類生活的潛在威脅,既處置了淤泥又恢復了生態環境。
Because of the advantages of less investment, low energy consumption, low operating cost, and organic parts can be converted into soil improver components, sludge land direct use is considered to be the most potential disposal method. Scientific and reasonable land use can reduce the negative effects of sludge. The utilization of forest land and municipal greening is an effective way to utilize silt land because it is not easy to cause food chain pollution. Sludge is used for the restoration and reconstruction of seriously disturbed land (such as mine land, forest cutting field, landfill, surface seriously damaged area, etc.) to reduce the potential threat of sludge to human life, which not only disposes the sludge but also restores the ecological environment.
③淤泥的焚燒
③ incineration of sludge
濕淤泥干化后再直接焚燒應用得較為普遍,沒有經過干化的淤泥直接進行焚燒不僅十分困難,而且在能耗上也是極不經濟的。 以焚燒為核心的淤泥處理方法是最徹底的淤泥處理方法,它能使有機物全部碳化,殺死病原體,可最大限度地減少淤泥體積;但是其缺點在于處理設施投資大,處理費用高。
Direct incineration after drying of wet sludge is widely used. Direct incineration of sludge without drying is not only very difficult, but also uneconomical in energy consumption. The sludge treatment method with incineration as the core is the most thorough sludge treatment method, which can carbonize all organic matters, kill pathogens, and minimize sludge volume; however, its disadvantages lie in large investment in treatment facilities and high treatment costs.

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