共搜索到86条信息,每页显示10条信息,共9页。用时:0小时0分0秒468毫秒
; 文章编号:1672-7207(2015)03-0759-06 Reductive leaching pyrolusite by arsenopyrite coupled with thiobacillusferrooxidans CHENG Yulong1, FENG Yali1, TENG Qing1, LI Haoran2, YANG... of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China) Abstract: Thiobacillusferrooxidans(T.f) were used to leach arsenopyrite and pyrolusite with asepsis system conducted as control......
Trans. Nonferrous Met. Soc. China 27(2017) 1831-1840 Effects of sodium carbonate and calcium chloride on calcite depression in cationic flotation of pyrolusite Shima RAHIMI, Mehdi IRANNAJAD, Akbar... of pyrolusite using dodecyl ammine (DDA), the depressive effect of sodium carbonate and calcium chloride on the calcite mineral was investigated systematically through flotation experiments, FTIR analysis......
硫; 溶剂萃取 中图分类号:TQ136.1+2 文献标识码:A 文章编号: 1672-7207(2005)06-0994-07 Sulfur-retained in roasting process of molybdenite concentrate by pyrolusite FU Jian-gang, ZHONG Hong, WU Jiang-li, ZHANG Xiao-jun...-leaching for molybdenite, the new process of molybdenite and pyrolusite co-roasting, in which (NH4)2MoO4 and MnSO4 could be obtained at the same time, was put forward, and its practicability......
; 文章编号:1672-7207(2015)08-2791-06 Effects of H+ and Fe3+ on reaction in microbial leaching process of low-grade pyrolusite ZHANG Xu1, 2, FENG Yali1, LI Haoran2, RAO... the pyrite potential and promote the reduction leaching of pyrolusite. MnO2-FeS2 contact reaction model and MnO2-FeS2-H2SO4 bacterial leaching of catalytic model exist in the microbial leaching process......
Trans. Nonferrous Met. Soc. China 28(2018) 1045-1052 Preparation of sodium manganate from low-grade pyrolusite by alkaline predesilication-fluidized roasting technique Xiang-yi DENG1, Ya-li FENG1... was used for predesilication treatment of low-grade pyrolusite. The effects of initial NaOH concentration, liquid-to-solid ratio, leaching temperature, leaching time and stirring speed on silica......
; 文章编号:1672-7207(2015)04-1175-07 High-intensity magnetic separation-alkaline leaching process to desiliconize from silicon-rich pyrolusite FENG Yali1, LI Bin1, LI Haoran2 (1. School of Civil... of Science, Beijing 100190, China) Abstract: By means of high-intensity magnetic separation-alkaline leaching to desiliconize from silicon-rich pyrolusite of silicon-manganese mass ratio of 3.5:1......
Trans. Nonferrous Met. Soc. China 24(2014) 1571-1577 Effect of biological pretreatment on flotation recovery of pyrolusite Zhi-chao YANG1, Ya-li FENG1, Hao-ran LI2, Wei-da WANG1, Qing TENG1 1. Civil... Academy of Sciences, Beijing 100190, China Received 19 June 2013; accepted 6 September 2013 Abstract: Bacillus mucilaginosus was used in pretreatment of pyrolusite to facilitate the flotation removal......
空气过剩系数对软锰矿浆脱硫反应的影响 吴复忠1,唐道文1,李军旗1,史连军2,赵平原1 (1.贵州大学,材料科学与冶金工程学院,贵州,贵阳,550003;2.贵州宏福实业开发有限总公司,技术中心,贵州,福泉,550500) 摘要:进行了"软锰矿吸收SO2废气制取硫酸锰"扩大化试验研究.实验结果表明,用软锰矿吸收SO2废气是可行的.在试验过程中发现空气过剩系数的大小会影响软锰矿矿浆的pH值和SO2废气的吸收率. 关键词:空气过剩系数; 软锰矿; 脱硫反应; [全文内容正在添加中] ......
; 文章编号:1672-7207(2014)11-3733-07 Reductive roasting of low-grade pyrolusite by rotary kiln and kinetics of tail-gas resource utilization FENG Yali1, ZHOU..., Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China) Abstract: The reductive roasting of low-grade pyrolusite by rotary kiln and kinetics of tail-gas resource utilization......
软锰矿浆烟气脱硫法生产电解锰的阳极液制取高纯碳酸锰的工艺研究 胡响响1,丁桑岚1,孙峻1,苏仕军1 (1.四川大学,环境科学与工程系,四川,成都,610065) 摘要:针对软锰矿浆烟气脱硫吸收液电解锰过程中产生的阳极废液不能回用的问题,本课题研究了以电解锰的阳极废液为原料,经过除杂,碳化结晶,并除去钙盐,钠盐和硫酸根,生产高纯度碳酸锰的工艺,并研究了影响杂质含量的诸因素,如温度,加料方式,并进行了探索,最终优选出同时加料法,使产品中钙,钠及硫酸根含量达到HG/T 2836-1997合格品标准,而且易于操作,成本低.总之,以电解锰的阳极液为原料,生产高纯碳酸锰在技术上是可行的,工艺上是合理......