CU20150172A7 -
PROCEDURE FOR OBTAINING SOLUTIONS AND SALTS OF HEPTAHYDRATED FERROUS SULPHATE FROM THE TAILS OF THE PRESSURE ACID LIXIVIATION PROCESS
- Google Patents
PROCEDURE FOR OBTAINING SOLUTIONS AND SALTS OF HEPTAHYDRATED FERROUS SULPHATE FROM THE TAILS OF THE PRESSURE ACID LIXIVIATION PROCESS
Info
Publication number
CU20150172A7
CU20150172A7CUP2015000172ACU20150172ACU20150172A7CU 20150172 A7CU20150172 A7CU 20150172A7CU P2015000172 ACUP2015000172 ACU P2015000172ACU 20150172 ACU20150172 ACU 20150172ACU 20150172 A7CU20150172 A7CU 20150172A7
Centro De Investig Para La Industria Minero Metalúrgica Cipimm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centro De Investig Para La Industria Minero Metalúrgica CipimmfiledCriticalCentro De Investig Para La Industria Minero Metalúrgica Cipimm
Priority to CUP2015000172ApriorityCriticalpatent/CU20150172A7/en
Publication of CU20150172A7publicationCriticalpatent/CU20150172A7/en
<p>La presente invención está relacionada con el procesamiento de minerales lateríticos por la vía hidrometalúrgica específicamente con la tecnología ácida a presión y consiste en el tratamiento con H2SO4 de las colas del proceso de lixiviación ácida a presión para la obtención de solución concentrada de sulfato férrico, la reducción de los iones férricos a ferrosos y la sal de sulfato ferroso heptahidratado utilizable como coagulante en el espesamiento de pulpas crudas para aumentar la productividad de los espesadores de la empresa</p><p> The present invention is related to the processing of lateritic minerals by hydrometallurgical route specifically with acidic pressure technology and consists in the treatment with H2SO4 of the tails of the process of acidic leaching process to obtain a concentrated sulfate solution ferric, the reduction of ferric ions to ferrous and ferrous sulfate salt heptahydrate usable as a coagulant in thickening of raw pulps to increase the productivity of the thickeners of the company </p>
CUP2015000172A2015-12-032015-12-03
PROCEDURE FOR OBTAINING SOLUTIONS AND SALTS OF HEPTAHYDRATED FERROUS SULPHATE FROM THE TAILS OF THE PRESSURE ACID LIXIVIATION PROCESS
CU20150172A7
(en)
Method for processing copper converter powder comprising carrying out oxidation and leaching process with acid of the converter powder by adding h2so4 and introducing air or steam and performing a sulfidization process to sulfur the leaching solution, and recover the copper and the arsenic
PROCEDURE FOR THE SEPARATION OF COBALT, IN BASIC NICKEL CARBONATE FROM AMMONIA CARBONATE TECHNOLOGY AND OBTAINING CONCENTRATED NICKEL SULPHATE SOLUTIONS