Acid Fermentation Process for Sewage Sludge as Sludge Recycling Technology

FUJIWARA Shigeki; TSUBONE Toshiaki; KIHARA Yasuhiko

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Acid Fermentation Process for Sewage Sludge as Sludge Recycling Technology

机译：污水污泥酸发酵工艺的污泥回收技术

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JFE Engineering developed "acid fermentation process for sewage sludge" on commission from Japan Science and Technology Agency. This technology aims to decompose sewage sludge and recorver high levels of organic acid from sewage sludge, using anaerobic bacteria, alkalis, and ultrasonic treatment. The authors report here the scheme of this process and the results showing an average solid decomposition rate of 50.8 percent secured by using a pilot scale plant of 2.5 m~3/d, under the condition of fermentation tank at 30-35 deg C and retention time in the fermentation tank of 2 days.

机译：JFE Engineering受日本科学技术厅委托开发了“污水污泥的酸发酵工艺”。该技术旨在通过使用厌氧细菌，碱和超声波处理来分解污水污泥并从污水污泥中去除高含量的有机酸。作者在此报告了该过程的方案，结果表明，在发酵罐温度为30-35℃且保留时间为2.5 m〜3 / d的条件下，采用中试规模的装置可确保平均固体分解率为50.8％。在发酵罐中的时间为2天。

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《JFE technical report》 |2006年第8期|p.30-33|共4页
作者
FUJIWARA Shigeki; TSUBONE Toshiaki; KIHARA Yasuhiko;
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作者单位

Former Aqua Technology Res. Dept., Engineering Res. Center, JFE Engineering;

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正文语种 eng
中图分类一般工业技术;
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Acid Fermentation Process for Sewage Sludge as Sludge Recycling Technology

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