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

Blended frother for producing low ash content clean coal through flotation
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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