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Process and apparatus for removing toxic heavy metals from refuse tips, sewage sludge and soils
Process and apparatus for removing toxic heavy metals from refuse tips, sewage sludge and soils
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机译:从垃圾场,污水污泥和土壤中去除有毒重金属的方法和设备
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摘要
By relatively long trickle irrigation of refuse landfills, sewage sludges and soils with acids, the heavy metal ions are displaced by hydrogen ions from their mineral bonds and pass into solution which sinks downwards in the bulk and is taken off by suitable drainage pipes and recycled.
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