1)bioleaching细菌浸出
1.Advances on Bioleaching Mechanism and Kinetic Models of Sulfide Ores;硫化矿细菌浸出机理与动力学模型研究进展
2.Research on technical effect factors of bioleaching chalcopyrite;细菌浸出黄铜矿的工艺影响因素研究
3.Study on Bioleaching Conditions of Low-grade Primary Copper Sulfide Ore from Yongping Copper Mine;永平低品位原生硫化铜矿石细菌浸出条件研究
英文短句/例句
1.The Bioleaching of Low Grade Copper Sulphide Ore;低品位原生硫化铜矿的细菌浸出研究
2.Research on Bioleaching Three Sulfide Minerals by Mixed Bacteria and the Microbial Diversity in the Bioleaching Process;混合细菌浸出三种硫化矿及浸出过程中微生物多样性分析
3.STUDY ON BACTERIAL LEACHING OF COPPER SULPHIDE ORE FROM RESIDUAL PILLAR AT COPPER MINE铜矿山残留硫化铜矿细菌浸出试验研究
4.Basic Research and Technical Study on Bioleaching of Zinc Sulfide Ore Bearing High Content of Iron;高铁锌硫化矿的细菌浸出基础及其工艺研究
5.Studies on the Electrochemical Performance and Technology of Sulfide Bio-leaching;硫化矿细菌浸出过程的电化学机理及工艺研究
6.Fundamental and technological studies on bioleaching of refractory arsenical gold concentrates by Thiobacillus ferrooxidans;含砷难处理金矿细菌浸出基础理论及工艺研究
7.Study on Application of Bacterial Leaching in Iron-removal and Whitening of Non-metallic Minerals;细菌浸出在非金属矿除铁增白中的应用研究
8.Study of Microwave and Magnetic Field Comprehensive Bioleaching for Low Grade-Chalcopyrite;微波和磁场强化细菌浸出低品位黄铜矿的研究
9.Study on Bacterial Leaching for Low-grade Chalcopyrite Intensified by Static Magnetic Field;稳恒磁场强化细菌浸出低品位黄铜矿研究
10.Discussion on Industrialization Prospect of Hydrometallurgy Recovery Process from Low Concentration Copper Sulphide Ore by Bioleaching;低品位硫化铜矿细菌浸出工艺产业化前景
11.Acid-producing Acitivity of Acidithiobacillus Thiooxidans and Microbioleaching of Low-grade Phosphate Ores;嗜酸氧化硫硫杆菌产酸活性与低品位磷矿细菌浸出
12.92 ore- the combination of flotation separation and the bacterial leaching - is accessible.92号矿原矿采用浮选分离与细菌浸出联合工艺在原理上是可行的。
13.Basic Research of Flotation and Bacterial Leaching of Complex Sulfide Minerrals of Lead, Antimony, Zinc and Iron;铅锑锌铁多金属硫化矿浮选分离与细菌浸出的基础研究
14.Research on the Technology of Bioleaching of Low Grade Copper Ores of Dexing Copper Mine;德兴铜矿低品位硫化铜矿细菌浸出工艺及技术研究
15.The Technology and Mechanism of Bacteria Leaching High-arsenic Copper Sulfide Concentrate and Comprehensive Utilization of Arsenic;高砷硫化铜精矿细菌浸出及砷的综合利用工艺及理论研究
16.Catalytic effect of the Combination of Catalysts on Bioleaching of Low-grade Primary Copper Sulfide Ore催化剂组合对低品位原生硫化铜矿细菌浸出的催化效应
17.Agitation Bioleaching of Low-grade Primary Copper Sulfide Ore under Catalysis Conditions催化条件下低品位原生硫化铜矿的搅拌细菌浸出
18.Effect of activated carbon on the absorption of copper and iron ions in the bioleaching of primary copper sulfide ore活性炭在原生硫化铜矿细菌浸出中对铜与铁离子吸附的影响
相关短句/例句
bacterial leaching细菌浸出
1.Study on the effect of ferric ion on bacterial leaching of low-grade primary copper sulfide ores;Fe~(3+)低品位原生硫化铜矿细菌浸出影响的研究
2.) was investigated in this paper in order to build up a new process for the bacterial leaching of nickel-bearing pyrrhotite from Jing Chuan Corp.实验结果表明,细菌浸出磁黄铁矿过程是以间接反应为主,即细菌将溶液中Fe2+氧化成Fe3+,然后Fe3+进一步氧化磁黄铁矿。
3.Experimental results show the feasibility of bacterial leaching to recover copper in Shouwangfen Copper Mine.对寿王坟铜矿采空区存窿矿石进行了室内化学浸出与细菌浸出试验。
3)Bacteria leaching细菌浸出
1.The results show that the(5%)～10% acid comsuption was reduced by bacteria leaching,that the uranium-tolerance of bacteria had been raised to 2.柱浸实验结果表明,与硫酸浸出相比,细菌浸出可降低酸耗5%~20%。
2.The results of pilot plant bacteria leaching test show that the leaching rate of uranium has been raised and the acid consumption has also been reduced.现场细菌氧化试验结果表明 ,细菌浸出有利于提高浸出液中铀质量浓度 ,降低酸耗 ,节省部分硫
3.In order to study the mechanism for bacteria leaching of pitchblende,several leaching experiments were conducted,including three powder leaching experiments with bacteria and iron,with bacteria and without iron,without bacteria and iron,and two specimen leaching experiments with bacteria and without iron,without bacteria and iron.为了研究沥青铀矿石的细菌浸出机理,设计了有菌有铁、有菌无铁及无菌无铁3种矿粉浸出试验及有菌无铁、无菌无铁两种试块浸出试验,检测了矿粉浸出体系中细菌的浓度、pH值、Eh、亚铁离子浓度、总铁离子浓度及铀浓度的变化,分析了浸出尾渣中O、Mg、K、P、S、Fe、U等元素的含量,观测了浸出前后试块表面形貌的变化。
4)bio-leaching细菌浸出
1.The effects of pH value,mass fraction of pulp,ore particle size,inoculation concentration and dose of the surfactant Tween 20 on the bio-leaching rates of copper and nickel in Cu-Ni ore tailings were investigated through orthogonal test.通过正交试验研究了pH值、矿浆质量分数、矿石粒度、细菌接种量、表面活性剂吐温20用量对铜镍矿尾矿细菌浸出的影响。
5)Bacillus lixivium细菌浸出液
6)bacterial leaching mechanism细菌浸出机理
延伸阅读
细菌浸出细菌浸出bactaral leaching x ljun Jlnchu细菌浸出(baetaral leaehing)利用微生物及其代谢产物作浸出剂，氧化、溶浸矿物原料中目的组分的矿物浸出工艺。 主要浸矿细菌及其主要生理特征、糕黯丽岁等咒厂吕笋 氧化铁杆菌}FeZ十~Fe3+}3.5 氧化硫铁杆菌!S~50琦一，Fe2+~Fe3+}2.8 氧化硫杆菌}S一争S(片，S式残一~S(歼一1 2.0一3.5聚生硫杆菌{s一S()号一H:S一50牙一…2·。一4·〔， 浸矿细菌属于化学能自养细菌。已知的浸矿细菌有多种，表中给出几种主要的浸矿细菌及其生理特征。这些浸矿细菌除生长活动的能源有差别外，其他特性十分相似，都属干能运动的不形成饱子的具有氧化性能的自养菌，均为宽0.5拜m左右、长为1.0至数拼m的杆菌。广泛分布于金属硫化矿、煤矿的矿坑酸性水中，嗜酸好气，习惯生活于酸性(pH一1.6一3.0)及含多种重金属离子的溶液中，并可通过人工驯化培养提高它们对各种盐和金属离子的适应能力。这些具有氧化性能的自养菌不需外加有机物作能源，而以硫、铁等无机物在氧化时释放出来的化学能作自身活动的能源，以大气中的二氧化碳作惟一的碳源，并吸收氮、磷等无机物养分合成自身的细胞。浸矿细菌在获得其生命活动所需能源的过程中起着生物催化剂的作用，在酸性条件下，氧化铁硫杆菌和氧化铁杆菌能很快地将亚铁离子氧化为高价铁离子;氧化铁硫杆菌能将硫代硫酸盐氧化作为替换能源，而氧化铁杆菌不能利用任何硫化物作能源。氧化硫杆菌、聚生硫杆菌和氧化硫铁杆菌可利用硫化物作能源，将元素硫和低价硫化合物(如硫代硫酸盐)氧化为硫酸根。氧化硫杆菌和聚生硫杆菌不能利用亚铁离子氧化作能源，只能利用硫化物作能源。氧化硫铁杆菌除以硫化物作能源外，还可利用亚铁离子氧化作能源。上述细菌活动的最适宜温度为30oC左右，最适宜的pH值为2.0左右。细菌浸矿是由细菌的间接催化作用使亚铁离子氧化为高价铁离子和将硫化物氧化为硫酸的缘故，细菌的直接作用较缓慢，但也不可忽视。 原则流程细菌浸出从矿物原料中提取有用组分的典型工艺流程一般包括矿石准备、细菌浸出、固液分离、金属组分回收和浸出剂再生等作业。(见图)若尾液中缺铁缺硫，菌液再生时可加入适量的黄铁矿以补充铁和硫。细菌浸出除采用硫酸铁和硫酸液加菌种作浸出剂外，还可用氯化铁、氯化钠的酸性液加菌种作浸出剂，同样用浸矿细菌进行间接催化作用，使亚铁离子再生、氧化为高价铁离子，将硫化物氧化为硫酸。当硫酸根积累至一定程度后，可于再生前用氯化钙除去多余的硫酸根，用人工驯养的方法提高浸矿细菌对抓化铁、氯化钠及各种金属离子的适应性。气 细菌浸出原则流程 应用细菌浸出法主要用于处理贫矿、表外矿、废石、尾矿、地下采空区的残矿和炉渣等，也可以处理铜矿、铀矿、铜铀矿、低品位铬铁矿、铁闪锌矿、金、铅、银、硫、锰、钻、福、镍、砷等矿物原料;还可用以处理含微粒金的硫化矿(如含金黄铁矿、砷黄铁矿精矿)，以氧化分解硫化矿物，使包裹金暴露，故预先细菌浸出含微粒金的硫化矿可较大幅度地提高金的氰化浸出率。工业上细菌浸出主要用于处理铜矿、铀矿和铜铀矿，从中回收铜和铀。其主要问题是黄铜矿的浸出效率较差，碱性脉石含量高时酸耗高，浸出周期较长，细菌繁殖受温度影响大，浸出率随季节有所波动。 (黄礼煌)
