发明名称 |
Process for the separation of hollow glass microspheres from muds containing them |
摘要 |
Process for recovering at least 70% of hollow glass microspheres having an average diameter, according to the ASTM D1214-1989, ranging from 5 to 200 mum contained in a mixture of drilling mud and cuttings which comprises: a) screening, if necessary, the mixture through one or more 5 to 20 mesh sieves; b) feeding the screened mixture to one or more cyclones and/or hydrocyclones arranged in series, each of which is fed with a volume flow-rate from 1.5 to 10 times higher than the maximum nominal operating value.
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申请公布号 |
US2004089591(A1) |
申请公布日期 |
2004.05.13 |
申请号 |
US20030433471 |
申请日期 |
2003.11.20 |
申请人 |
MARCOTULLIO ARMANDO;MONGA RAFFAELLA;BELMONTE GIUSEPPE;CALDERONI ANGELO;FERRARI GIOVANNI |
发明人 |
MARCOTULLIO ARMANDO;MONGA RAFFAELLA;BELMONTE GIUSEPPE;CALDERONI ANGELO;FERRARI GIOVANNI |
分类号 |
B01D21/26;E21B21/00;E21B21/06;(IPC1-7):B07B1/00 |
主分类号 |
B01D21/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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