发明授权
US09580335B2 Water treatment apparatus incorporating walnut shell filter media and a draft tube system 有权
包括核桃壳过滤介质和引流管系统的水处理设备

Water treatment apparatus incorporating walnut shell filter media and a draft tube system
摘要:
The present invention relates generally to a system and method for treating wastewater in a filter media apparatus having a draft tube system. The filter media may be walnut shell media.
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