| 发明名称 |
despoeiramento de mina de carvão. |
| 摘要 |
The invention relates to a method of dusting coal mine surfaces, the method comprising applying stone dust particles treated with a cationic and/or zwitterionic surfactant to surfaces in the coal mine. The invention also relates to liquid formulations, coal mine dusting agents and apparatus for use in such a method. |
| 申请公布号 |
BRPI0922177(A2) |
申请公布日期 |
2015.12.29 |
| 申请号 |
BR2009PI22177 |
申请日期 |
2009.06.01 |
| 申请人 |
APPLIED AUSTRALIA PTY LTD;MINING ATTACHMETS(QLD) PTY LTD |
发明人 |
ALAN GRAHAM BROWN;CARLOS ALBERTO MARI;MATTHEW CHARLES RYAN;RODNEY JAMES CONNELL |
| 分类号 |
C09K3/22;E21F5/00;E21F5/10 |
主分类号 |
C09K3/22 |
| 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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