Process method for removing manganese in solution
The invention provides a process method for removing manganese in a solution, and relates to the field of hydrometallurgy. The method is a normal-temperature oxidation manganese precipitation synchronous copper oxide acid leaching and manganese precipitation residue washing water recycling technolog...
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| creator | QIN SHUCHEN HU XUEPING ZHAO XU SU LIFENG SEO KYUNG-WON WANG HAIBEI GUO ZONG ZHENG CHAOZHEN FENG YAPING LI XIANGLIANG DUAN SHUAIKANG |
| description | The invention provides a process method for removing manganese in a solution, and relates to the field of hydrometallurgy. The method is a normal-temperature oxidation manganese precipitation synchronous copper oxide acid leaching and manganese precipitation residue washing water recycling technology, and comprises the following steps: introducing an oxygen-containing gas and a provided sulfur dioxide additive into a Mn < 2 + >-containing solution, maintaining the pH value of a system to be 1.0-2.0, and synchronously carrying out oxidation of divalent manganese ions and an acid leaching reaction of the copper oxide; and after the reaction is finished, thickening the manganese precipitation slag slurry, carrying out filter pressing on the dense underflow, washing the filter-pressed wet slag, and returning the washing water to prepare other auxiliary materials such as copper oxide ore pulp, neutralizer ore pulp, flocculant and the like. The technological method for removing manganese in the solution has the adv |
| format | Patent |
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The method is a normal-temperature oxidation manganese precipitation synchronous copper oxide acid leaching and manganese precipitation residue washing water recycling technology, and comprises the following steps: introducing an oxygen-containing gas and a provided sulfur dioxide additive into a Mn < 2 + >-containing solution, maintaining the pH value of a system to be 1.0-2.0, and synchronously carrying out oxidation of divalent manganese ions and an acid leaching reaction of the copper oxide; and after the reaction is finished, thickening the manganese precipitation slag slurry, carrying out filter pressing on the dense underflow, washing the filter-pressed wet slag, and returning the washing water to prepare other auxiliary materials such as copper oxide ore pulp, neutralizer ore pulp, flocculant and the like. 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The method is a normal-temperature oxidation manganese precipitation synchronous copper oxide acid leaching and manganese precipitation residue washing water recycling technology, and comprises the following steps: introducing an oxygen-containing gas and a provided sulfur dioxide additive into a Mn < 2 + >-containing solution, maintaining the pH value of a system to be 1.0-2.0, and synchronously carrying out oxidation of divalent manganese ions and an acid leaching reaction of the copper oxide; and after the reaction is finished, thickening the manganese precipitation slag slurry, carrying out filter pressing on the dense underflow, washing the filter-pressed wet slag, and returning the washing water to prepare other auxiliary materials such as copper oxide ore pulp, neutralizer ore pulp, flocculant and the like. 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The method is a normal-temperature oxidation manganese precipitation synchronous copper oxide acid leaching and manganese precipitation residue washing water recycling technology, and comprises the following steps: introducing an oxygen-containing gas and a provided sulfur dioxide additive into a Mn < 2 + >-containing solution, maintaining the pH value of a system to be 1.0-2.0, and synchronously carrying out oxidation of divalent manganese ions and an acid leaching reaction of the copper oxide; and after the reaction is finished, thickening the manganese precipitation slag slurry, carrying out filter pressing on the dense underflow, washing the filter-pressed wet slag, and returning the washing water to prepare other auxiliary materials such as copper oxide ore pulp, neutralizer ore pulp, flocculant and the like. The technological method for removing manganese in the solution has the adv</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Process method for removing manganese in solution |
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