Using microwave radiation to pretreat exhausted catalyst can improve the ratio of zinc leaching obviously.
选择微波辐射预处理废催化剂,可以显著提高锌的浸出率。
Comprehensive recovery of valuable elements from zinc leaching residues is study by reducing roast followed by magnetic separation.
研究了浸锌渣还原焙烧分选综合回收有价元素的工艺。
The new process has advantages of high zinc leaching rate, short flowsheet, leaching at normal temperature and pressure and no waste solution, suggesting a wide application field and good prospect.
新工艺锌浸出率高,流程短,可在常温常压下浸出,无废液,具有较广阔的应用前景。
In this dissertation the technology and fundamentals of pressure leaching of high iron-zinc sulphide concentrate and polymetallic sulphide ore are studied systematically.
锌精矿及多金属复杂硫化矿的加压浸出工艺和理论进行了系统研究。
On this condition, Zinc sulfide mineral leaching rate could attain above 96%.
在上述的优化工艺条件下,锌精矿锌浸出率可达96%以上。
This paper reports the amelioration of soils polluted by Cd and Zinc by organic matter and water leaching in a pot experiment using corn seedling as an index crop.
通过对苗期玉米的盆栽试验,探讨了在镉、锌污染土壤上施入不同量的有机肥并配合淋洗措施后土壤中镉、锌的形态转化、迁移规律和对植物生长的影响及改良效果。
The mineral structure of HFZSC, the mechanisms of pressure leaching of zinc and the electron transference of iron ion have been examined systematically.
系统地分析了铁闪锌矿的矿物结构、锌的浸出过程机理和铁离子的电子传递作用。
Precipitation process of the goethite from hot acid leaching solution of zinc concentrate roast dust was investigated.
研究了从锌焙烧烟尘常压热酸浸出液中沉淀针铁矿的过程。
The main process of producing indium in China is leaching-extraction-replacement, which is adopted to reclaim indium from lead and zinc metallurgical byproducts.
指出目前国内生产铟的主要方法是采用浸出—萃取—置换工艺回收铅、冶炼副产品中的金属铟。
In this paper, flotation separation and sulfuric acid leaching of Zinc Oxide ores from Hechi in Guangxi province were studied, and the seperatability of this Zinc Oxide ore was discussed.
文章对广西河池氧化锌矿进行了浮选分离和硫酸浸出试验,初步探讨了该氧化锌矿石的可选性。
This paper describes the technological process, operating conditions, production practice and technical improvement of calcine leaching in zinc circuit.
介绍了锌系统焙砂浸出的工艺流程,操作条件,生产实践及技术改进。
In this dissertation the technology and fundamentals of pressure leaching of high iron-zinc sulphide concentrate and polymetallic sulphide ore are studied systematically.
本论文对高铁硫化锌精矿及多金属复杂硫化矿的加压浸出工艺和理论进行了系统研究。
The results from the mechanical ball milled yeast cells and the leaching of zinc illustrated that more 47.84% zinc in organic and the rest zinc was adhered to the cell wall or dissociated in the cell.
球磨法破壁及锌的浸出结果表明,至少47.84%的锌是有机态形式结合的,其余锌松散结合在细胞壁或游离于细胞内部。
The industrial tests show that the jarosite process can be used to handle the zinc calcine with high concentration of Sb by controlling the leaching rate of Sb in the neutral leaching process.
扩大试验验证,控制锑在中性浸出过程中的浸出率,黄钾铁矾法可以处理含锑高的锌焙烧料。
Experiment manifests that the leaching rates of zinc dross are elaborately enhanced and the leaching time of zinc oxide finished ore is shortened by means of ultrasonic strengthening.
试验表明利用超声波强化浸出锌浮渣可大大提高了锌浮渣的浸出率,缩短了浸出时间。
The bulk concentrate is produced by bulk floatation, from which the gold is recovered by cyanide leaching, and the residue is directly sold as zinc concentrate.
混合浮选产出锌、金混合精矿,氰化浸金,氰化渣作为锌精矿销售。
The effect of acid leaching conditions on leaching rate of copper and zinc in process for production of copper and zinc sulfates from copper smelting dust was studied in this paper.
为利用炼铜烟灰制取硫酸铜和硫酸锌,研究了浸取条件对铜、锌浸出率的影响。
The progress of its application on roasting zinc concentrate, leaching zinc calcine and leaching zinc concentrate directly are summarized separately.
然后对其在湿法炼锌中的硫化锌精矿焙烧、锌焙砂浸出、硫化锌精矿直接浸出等方面应用取得进展进行综述。
Neutral leaching residue of roasted zinc concentrate often contains germanium which is poorly recovered in conventional two-stage leaching.
硫化锌精矿焙烧矿的中性浸出渣常含有锗等有价元素,常规低酸高酸两段浸出流程锗的直收率低。
The kinetics of leaching process of zinc oxide ore is researched and it indicates that diffusion is the rate controlling step.
对氧化锌矿浸出过程动力学进行了研究,结果表明,扩散是浸出的速度控制步骤。
Theresults indicate that mechanical activation can increase the leaching rate of zinc effectively.
试验结果表明,机械活化可以明显地提高锌的浸出率。
Using zinc oxide mine as a raw material, activated zinc oxide can be produced by ammonia leaching, getting rid of impurity, depositing zinc, drying and calcining.
以锌焙砂为原料,经氨浸,除杂,沉锌,干燥,煅烧等工序制取了活性氧化锌。
Based on characteristic of refractory oxide zinc ore, the kinetics and reactive mechanism of ammonium leaching have been studied.
针对难选氧化锌矿的特点,对氧化锌矿的氨浸动力学和反应机制进行了研究。
Using the process:water leaching, zinc oxide, causticize, carbonate, solvent extract, stripping to recycle molybdenum and to regenerate alkali.
采用水浸-氧化锌苛化-碳酸化-萃取流程从未氧化的碳还原熔炼渣中提取钼和再生碱。
In this paper the heat balance of pressure leaching for zinc sulphide concentrate is calculated.
笔者对硫化锌精矿加压浸出过程的热平衡进行了计算。
And, we also discussed the mechanisms of flotation and leaching of the tow zinc oxide ores.
同时还对氧化锌矿的浮选和浸出机理作了简要分析。
To extract zinc from high si and Fe zinc oxide ore, a new process consisting of low acid leaching, iron removal and desilication was developed for zinc extraction.
为了从高含硅、含铁等的氧化锌矿中提取锌,设计了低酸浸出、针铁矿除铁并脱硅提锌的新工艺。
Sulfuric acid leaching of low grade zinc oxide ore is studied in this paper.
研究了高硅低品位氧化锌矿的硫酸浸出工艺。
Sulfuric acid leaching of low grade zinc oxide ore is studied in this paper.
研究了高硅低品位氧化锌矿的硫酸浸出工艺。
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