发明名称 |
Chemical agents for recovery of leached materials |
摘要 |
The disclosure provides to a PDC element protective system including a mask configured to protect a non-leached portion of a leached polycrystalline diamond compact (PDC) element during a leaching process. The mask may be formed from or coated with polytetrafluoroethylene (PTFE). The disclosure also provides a leaching system containing such a mask and a leaching vessel as well as methods of using the protective and leaching systems. The disclosure further provides a Lewis acid-based leaching agent and methods of its use. Finally, the disclosure provides a method of recycling a PDC or carbide element using a Lewis acid-based leaching agent. |
申请公布号 |
US8404019(B2) |
申请公布日期 |
2013.03.26 |
申请号 |
US201113168755 |
申请日期 |
2011.06.24 |
申请人 |
LADI RAM L.;ALMOND STEPHEN W.;WEAVER GARY E.;HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
LADI RAM L.;ALMOND STEPHEN W.;WEAVER GARY E. |
分类号 |
C22B3/06;C22B3/44 |
主分类号 |
C22B3/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|