selective in situ leach mining of manganese oresoct 01, · the bureau of mines is conducting research to develop cost effective, environmentally compatible advanced mining technologies for the selective extraction of critical and strategic metals. critical and strategic metals (e.g. manganese, cobalt, and chromium) are essential to domestic steel, aerospace, electronic and defenseoriented industries.selective extraction of metals using ionic liquids forselective extraction of metals using ionic liquids for nickel metal hydride battery recycling in the first stage of extraction cobalt, manganese, iron and zinc are removed from the rare earths and nickel in a metalloaded liquor of high chloride concentration (8 m chloride). recovery of rare earths was demonstrated on the raffinateselective recovery of manganese from anode sludgethis work demonstrates a novel method for selective manganese recovery from lead and calciumbearing manganese oxide solid residue. leaching with sulfuric acid in the presence of a selected reducing agent, such as hydrogen peroxide or citric acid, yields a concentrated mnso 4 solution with high selectivity over calcium and lead.author toni kauppinen, tuomas vielma, justin salminen, ulla lassica2428945c selective precipitation of manganese froma process is provided for selectively precipitating and removing manganese relative to magnesium from an acidic solution, preferably barren of one or more of cobalt, nickel, copper and zinc, hut containing appreciable amounts of manganese, magnesium, and aluminum. the process comprises a) adding a first alkaline reagent, for example lime and/or limestone, to neutralize the acidic solutions andselective separation and extraction of vanadium (v) overoct , · up to10%cash back· based on the novel technology for selective separation and extraction of vanadium (v) over manganese (ii) from coleaching solution of roasted stone coal and pyrolusite using solvent extraction, the extraction effect of vanadium (v) and manganese (ii) has been studied and many technical conditions have also been optimized.cited by application of saponified d2ehpa for the selectivejul , · abstract. solvent extraction is used for the selective extraction of manganese from an industrial leaching solution based on active material from spent lithiumion batteries. as solvent 100 g l 1 di (2ethylhexyl) phosphoric acid (d2ehpa) diluted in isopar l and an addition of 5 vol% tributyl phosphate is used.author a. keller, m.w. hlawitschka, h.j. bart saltingout phase separation of the mixture of 2the extraction of other metal ions such as mn(ii), ni(ii), and cu(ii) was much lower than that of co(ii), but they were completely stripped to the aqueous phase by using an aqueous solution containing cacl2. thus, selective separation of cobalt(ii) from these elements was attained by using the mixture of 2propanol with water.study on the highefficiency separation of fe and mn fromhighest extraction yields of manganese 84 % resulted at a feed ph of 2.7 or higher. at a ph of 2.2 the selectivity had its maximum at 40 and 22 for mn to ni and mn to co, respectively.selective dissolution and extraction of metals from deepammonia leach and smelting processes involve selective dissolution, and separate manganese from the process stream and at the same time most of the cu, ni and co are solubilized. several bench scale processes have been developed to follow the nodules.
comparison of solvent extraction and selectivezinc and manganese removed with 2 vol.% d2ehpa. selective extraction of cobalt from nickel and magnesium with cyanex 272. iron is precipitated in a twostage neutralization circuit. copper, cobalt and nickel are precipitated with caustic soda as hydroxides. chambishi metalsselective chlorinated extraction of iron and manganesesustainable utilization of nh4cl is achieved by new and green processes including chlorination, selective oxidation, and hydrothermal synthesis. selective chlorinated extraction of iron and manganese from vanadium slag and their application to hydrothermal synthesis of mnfe2o4 acs sustainable chemistry engineeringcited by selective extraction and separation of nickel from cobaltjan 01, · selective extraction and separation of nickel from cobalt, manganese and lithium in pretreated leach liquors of ternary cathode material of spent lithiumion batteries using synergism caused by versatic 10 acid and lix 84i. author links open overlay panel. sunghojooab dong jushinb changhyunohb jeipilwangc gaminisenanayaked shun myungshinab.cited by 81selective dissolution of manganese oxides from soils andthis paper reports the development of an extraction method for the selective dissolution of manganese oxides from soils and sediments with minimal attack on the coexisting iron oxides, based on the difference in behavior of manganese oxides and iron oxides toward reduction under various conditions.selective extraction of manganese using moringa oleiferamoringa oleifera seeds used for selective extraction of manganese in aqueous samples. around 60% of the mn(ii) was removed at an initial ph of 3.0. the maximum adsorption capacity for mn(ii) was 10.35 mg g1. the adsorption of manganese onto moringa oleifera seeds was optimized as acited by 1process for selective adsorption and recovery of lithiumselective recovery of zinc, manganese and lithium turning now to figs. 4 illustrating yet another exemplary embodiment of the process for recovery of lithium, the feed source is an incoming brine (e.g., a geothermal brine or the polished brine 1038 ) (stream 1 ) and dilution water (stream 2 ).selective separation and extraction of vanadium (v) overoct , · based on the novel technology for selective separation and extraction of vanadium (v) over manganese (ii) from coleaching solution of roasted stone coal and pyrolusite using solvent extraction, the extraction effect of vanadium (v) and manganese (ii) has been studied and many technical conditions have also been optimized. meanwhile, countercurrent simulation experimentsnovel understanding of simultaneous extraction of vanadiumthe extraction rates of vanadium and manganese from vslgp, roasted at 1 °c and leached with acid, achieved 86.24 and 93.86%, respectively. v2o5 and chemical mno2 with purities of 99.23 and 91.98% were generated after vanadium and manganese precipitation.
identification of a selective manganese ionophore thatfeb , · identification of a selective manganese ionophore that enables nonlethal quantification of cellular manganese. use of the mesmer assay versus a comparable detergent lysisbased assay, cellular fura2 mn extraction assay (cfmea), reduced the number of cells and materials required for performing a similar but cell lethalitybased experimentselective separation and purification of mn from co and nimay 05, · joo sh, shin dj, oh ch, wang jp, senanayake g, shin sm selective extraction and separation of nickel from cobalt, manganese and lithium in pretreated leach liquors of ternary cathode material of spent lithiumion batteries using synergism caused by versatic 10 acid and lix 84i. hydrometallurgy 96574recovery of manganese from anode sludge residue bythis work demonstrates a method for selective manganese recovery from lead and calcium bearing manganese oxide solid residue. the leaching parameters on manganese extraction, such asextraction of manganese oxide ore by a reductionnov 01, · up to10%cash back· a process for recovering manganese from lowgrade manganese oxide ore through a reduction acidolysisselective leaching method is investigated. two types of biomass, sawdust and straw, were used as reductants. reduction acidolysis, using concentrated sulfuric acid, was used to disrupt the structure of the biomass, allowing the biomass to be hydrolyzedcited by 7leaching and solvent extraction purification of zinc fromjan , · afterwards, 90.91% of zn was selectively extracted over manganese by solvent extraction. an electrolyte solution with the .6 g/l zinc concentration was obtained inselective extraction of metals using ionic liquids forin the first stage of extraction cobalt, manganese, iron and zinc are removed from the rare earths and nickel in a metalloaded liquor of high chloride concentration (8 m chloride). recovery of rare earths was demonstrated on the raffinate resulting from the first extraction by extraction with the solvating extractant cyanex 923 (10% v/v) in tricaprylmethylammonium nitrate.assessment of cellulose acetate/manganese oxide thin ﬁlmthe present study depicts the efﬁciency of cellulose acetate/manganese oxide thin ﬁlms as adsorbents for selective extraction and detection of ﬂavone in environmental waters. the selectivity of thin ﬁlms (ca/mn1 and ca/mn2) was evaluated towards several organic compounds. based on selectivity study results, ca/mn2 thin ﬁlm was the most