发明名称 |
PROCESSO PARA A SEPARACAO DE MINERAIS NAO SULFURETADOS DE UM MINERIO POR FLUTUACAO USANDO ESTERES DE ACIDOS GORDOS E/OU DERIVADOS DE ACIDOS GORDOS COM PROPRIEDADES TENSIOACTIVAS COMO AGENTES COLECTORES E SUA PREPARACAO |
摘要 |
<p>Surface-active fatty acid ester and/or fatty acid derivatives obtained by reacting epoxidized fatty acid esters with 1 to 3 mol of sulphur trioxide per mol of epoxide oxygen at 20 to 100 DEG C, reacting the reaction product (A) with nucleophilic reagents and, if necessary, saponifying the ester bond are used as collectors in the flotation of non-sulphidic ores.</p> |
申请公布号 |
PT92128(B) |
申请公布日期 |
1995.07.03 |
申请号 |
PT19890092128 |
申请日期 |
1989.10.27 |
申请人 |
HENKEL KGAA. |
发明人 |
RITA KOSTER;ANSGAR BEHLER;WOLFGANG VON RYBINSKI |
分类号 |
B03D1/012;(IPC1-7):B03D1/012 |
主分类号 |
B03D1/012 |
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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