The high density sludge (HDS) method is a neutralization technology with particular principles and characteristics differing from the traditional lime method.

高密度泥浆法(HDS法)是一种区别于传统石灰法、具有独特原理和特点的中和处理技术。

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Copper and zinc in sludge extract were removed by improved ferrite coprecipitation process using lime milk as neutralization reagent.

采用改进铁氧体共沉淀法，用石灰乳溶液作中和剂，从污泥浸出液中去除铜、锌。

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In the wastewater conditioning and concentration process, lime can be used to raise density of the sludge particles, and improve the property of sludge dewatering.

石灰作为一种传统的助凝剂，应用于水厂排泥水调质浓缩工艺，可提高污泥颗粒密度，改善污泥沉降脱水性能。

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Spurred by the 2007 raid, Knollwood solved its backup problem by cutting a new manhole and clearing a buildup of lime, grease and sludge.

WSJ: Federal Offenses: Sewage Blunder Earns Building Engineer a Criminal Record