半连续过程semi-continuous process

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The present invention relates to a semi-continuous process（半连续过程） for removing heavy metals, substantially reducing volatile suspended solids and substantially destroying indicator bacteria from municipal sludges, which comprises: a) adding 1 to 3 g of sulphur per liter to a volume of municipal sludge and allowing the sulphur oxidizing thiobacilli initially present in said sludge to proliferate under aerobic conditions in said sludge being agitated until the pH of said sludge is lowered to about 1.5 to 2.5 which causes heavy metals present in said sludge to be substantially solubilized, the concentration of volatile suspended solids is substantially reduced and the concentration of indicator bacteria to be lowered to a non-toxic level; b) removing about 90% of said low pH sludge and recovering the solubilized heavy metals therefrom; c) adding about 90% of municipal sludge to the remaining low pH sludge of step b), thereby resulting in a sludge mixture having a pH of about 7 to 8; and d) repeating steps a) to c); whereby the thiobacilli are adapted when the time required for lowering the pH of the sludge to 1.5 to 2.5 is about the same in two successive operations.

若能收集到该词条相关资料的跟帖者给予奖励，根据收集资料的水平给予10～200不等的论坛币，当然也可以谈谈自己的观点、其应用领域、上传资料、相关软件介绍等等，请大家尽量不要复制一些搜索引擎很容易收集到的资料。

     我每天都会发送不等数量的词条，所以诚邀不同统计背景的各路大侠发表评论。

     欢迎大家多多跟帖！要数量也要质量哟

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关键词：Continuous Process semi ROCE con process present volume

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