Study on technology of making high-purity zinc sulfuric solution from zinc dust 由含锌烟尘制备高纯硫酸锌溶液的工艺研究
The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter. 本文介绍了利用氨法处理杂质成分复杂的某大型冶炼厂炼铅系统烟化炉氧化锌烟灰制备高等级氧化锌的工艺。
According lo the binder type zinc dust paint may be classified into three groups, inorganic, organic, and organic-inorganic hybrids types. 锌粉漆根据基料可分为无机、机和有机/机掺合3种类型。
Iron Removal from Hot Acid Leaching Solution of Zinc Roasting Dust by Goethite Process 用针铁矿法从锌焙烧烟尘的热酸浸出液中除铁
Zinc dust, powders and flakes. 锌末、锌粉及片状粉末。
Research and productive practice on recovering gold from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation 锌粉置换法从含高铜、铅、锌贵液中回收金的研究及生产实践
Production of ultrafine zinc dust with SHOCK-COOLING method and it's solidification mechanism 骤冷法生产超细锌粉及凝固机理
Produces zinc sulfate using zinc oxide dust. 用氧化锌烟尘生产硫酸锌;
Some physico-chemistry properties of ultrafine zinc dust produced by the process of melting vapourizing shock-cooling of metallic zinc are measured. 采用金属锌加热熔化、蒸发、骤冷工艺制备超细锌粉,对产品的部分理化性能进行了测试。
Research and Application of Zinc dust Cementation for Cobalt Removal 锌粉置换除钴的研究及运用
Study on Manufacturing High-performance Doping Zinc Dust by Tower Style Furnace 高性能涂料级锌粉塔式炉生产实践
Practice on Producing Ultrafine Zinc Dust 超细锌粉的生产实践
There is by-product zinc chloride-methanol-zinc dust mixed waste liquid in the production of fluorocarbon coatings. 氟碳树脂漆生产过程中,副产氯化锌-甲醇-锌粉混合废液。
When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing. 从含高铜、铅、锌贵液中直接用锌粉置换回收金,效果差。
The influences of the particle size and shape of different zinc dust on the properties of mechanical deposited zinc coating were investigated by using microscopic examination and anti-corrosion test here. 本文通过金相检测及腐蚀试验,研究了不同锌粉粒度及形状对机械镀锌层性能的影响。
On this condition, the leaching rate of metals were: Zn> 98%, Cd> 99%, Co> 99%, Ni> 98. ( 2) Purification of cadmium: Zinc dust was used as reducing agent. 在此条件下,Zn,Cd,Co,Ni的浸出率分别为98%,99%,99%,98%以上。(2)净化除镉:选用锌粉为还原剂。
In the last step, we developed two methods of deprotection employing zinc dust and catalytic hydrogenolysis respectively to give the final product, and improved the work-up as well. 在最后一步脱保护基的研究中,我们分别采用了锌粉还原和钯碳氢化两种方法得到最终产品,并对其后处理的方法进行了改进。
In the hot-acid leaching process of roasted zinc dust, the ferric ion obtained from ZnFe_2O_4 dissolution was used as oxidant to leach ZnS contained in the roasted dust. 在锌焙烧烟尘热酸浸出过程中,来自于铁酸锌溶解的三价铁离子被用作焙烧烟尘中ZnS浸出的氧化剂。
This paper analyses the characteristics of zinc dust produced in the production line of spraying zinc onto the surface of nodular cast iron pipe, properly designs a new type of moving air tight suction guard and expounds the determination of the main parameters. 本文分析了球墨铸铁管表面喷锌生产线锌粉粉尘产生的特点,设计了新型移动式气幕密闭吸风罩,并阐述了主要参数的确定。
The technologies for circulation and reutilization of the Zinc bearing dust in foreign iron& steel works as well as evaluation on its influence are introduced. 介绍了国外钢铁厂对炼钢含锌粉尘在厂内循环利用的工艺以及相关的效果评价。
The paper presents a series of technical modification measures to cope with low efficiency of leaching and agitation, high zinc in residue, high consumption of zinc dust and high power consumption, etc. in one electrolytic zinc plant; 针对某电解锌厂浸出搅拌效率低、渣含锌高、锌粉消耗高、电耗高等几个问题,介绍了所采取的一系列改造措施。
Removal of F and Cl from zinc oxide dust using selective chlorination roasting process 选择性氯化焙烧脱除氧化锌烟尘中的氟氯
According to the high silver and copper content of pregnant liquor due to low rate of zinc dust replacement, Suichang Gold Mine carried out the experiment of zinc dust replacement under condition of high concentration of cyanide and CaO, gaining desirable result. 针对置换率低的问题,根据遂昌金矿贵液中高银高铜这一特殊组分情况,进行了高氰高碱浓度的置换试验,取得了较为理想的置换效果。
Circulation and Reutilization of Zinc Laden Dust in Foreign Steel Works 国外钢厂含锌粉尘的循环利用
The application of the technology of zinc dust replacement under the condition of high concentration of cyanide and CaO 高氰高碱锌置换工艺的应用
Practical ways to maintain the deaeration tower during zinc dust precipitation 锌粉置换工艺中脱氧塔维护实践
Cobalt removal process with arsenic, reducing impurity cobalt by adding zinc dust and arsenic to provide qualified zinc electrolyte solution, is the important stage in zinc hydrometallurgy using atmospheric direct leaching of zinc concentrate. 砷盐除钴过程是锌直接浸出冶炼工艺的关键环节,通过添加锌粉和砷盐,除去硫酸锌溶液中的杂质钴,为电解过程提供合格新液。
This study was to explore the effects of relative amount of metallic impurities, dosage of zinc dust, purification time, purification temperature, pH and total ammonia concentration of zinc ammoniacal leaching solution on the purification of this zinc ammoniacal leaching solution. 本文目的是研究杂质离子相对量、锌粉添加量、净化温度、净化时间、锌氨浸出液pH及总氨浓度等因素对净化效果的影响。
The redissolution of cobalt decreased with increasing amount of added zinc dust. 随着锌粉加入量增大,钴复溶减少。