| 发明名称 |
Use of pre-sorted plastic material wastes and process for producing a granular material as a filter for the purification of sewage |
| 摘要 |
A granular material for use as a filter in the purification of sewage. The granular material is comprised of pre-sorted and cleaned plastic material wastes. A process for producing the same is provided.
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| 申请公布号 |
US7074356(B2) |
申请公布日期 |
2006.07.11 |
| 申请号 |
US20010960269 |
申请日期 |
2001.09.20 |
| 申请人 |
BRIGHTWATER ENGINEERING LIMITED |
发明人 |
BRAUER CHRISTINE |
| 分类号 |
B29B9/02;B01D39/04;B01D39/16;B29B9/06;C02F3/10 |
主分类号 |
B29B9/02 |
| 代理机构 |
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代理人 |
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