发明授权
US08469197B2 Blended frother for producing low ash content clean coal through flotation
失效
通过浮选生产低灰分清洁煤的混合起泡剂
- 专利标题: Blended frother for producing low ash content clean coal through flotation
- 专利标题(中): 通过浮选生产低灰分清洁煤的混合起泡剂
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申请号: US12596514申请日: 2008-08-19
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公开(公告)号: US08469197B2公开(公告)日: 2013-06-25
- 发明人: Ashiwani K. Gupta , Pradip Kumar Banerjee , Debashish Bhattacharjee
- 申请人: Ashiwani K. Gupta , Pradip Kumar Banerjee , Debashish Bhattacharjee
- 申请人地址: IN Jamshedpur
- 专利权人: Tata Steel Limited
- 当前专利权人: Tata Steel Limited
- 当前专利权人地址: IN Jamshedpur
- 代理机构: Venable LLP
- 代理商 Keith G. Haddaway
- 国际申请: PCT/IN2008/000519 WO 20080819
- 国际公布: WO2010/020994 WO 20100225
- 主分类号: B03D1/008
- IPC分类号: B03D1/008 ; B03D1/02
摘要:
An improved frothing agent adaptable to froth flotation process to enhance coal selectivity for separation and efficiency of the froth flotation process comprises: A blended mixture of Ketone (2,6-Dimethyl-4-Heptanone)85-89%(Wt %) Ester molecule(Tetrahydrofurfuryl acetate)10-12%(Wt %) Epoxide conditioner (1,2-Epoxydodecane)0.25-0.30%(Wt %) Water4.75-5.25%(Wt %)
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