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Limestone sand filter material, in particular hard limestone, crushed quartz sand, production and use thereof for the purification of various waste waters
Limestone sand filter material, in particular hard limestone, crushed quartz sand, production and use thereof for the purification of various waste waters
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机译:石灰石砂滤料,特别是硬石灰石,碎石英砂,其生产和用于净化各种废水的用途
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摘要
The present invention relates to a filter material comprising limestone and its preparation and use. The filter material is characterized by a certain grain size. The uses according to the invention include the cleaning of farm outlets of biogas plants and the cleaning of rainwater on traffic areas.
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