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Pit additive : ウィキペディア英語版 | Pit additive A pit additive (or more accurately pit or septic tanks additive) is a commercial product which is intended to reduce sludge accumulation rate or to reduce odor and fly problems in pit latrines, septic tanks or wastewater treatment plants. There is little to no scientific evidence that shows that any of these commercial additives have the benefits claimed by the manufacturers.〔 ==Background== Pit additives (often but not always associated with the idea of "Effective Microorganisms") are advocated for use in sanitation systems, in particular in pit latrines and septic tanks. The products, consisting of packaged micro-organisms or enzymes or both, are marketed for their ability to either reduce the pit or septic tank filling rate with fecal sludge, or to decrease material volumes. It has been estimated that in the U.S. more than 1,200 septic system additives were available on the market in 2011.〔 However, very little peer-reviewed and replicated field research exists regarding the efficacy of biological septic tank additives.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pit additive」の詳細全文を読む
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