氰化法

  • 网络Cyaniding;cyanide process;c.c.d
氰化法氰化法
  1. H2O2在氰化法中辅助浸金的研究

    On H_2O_2 Subsidiary Dip Gold in Cyaniding Process

  2. 碱性氰化法之所以被人们普遍接受,主要是由于它工艺过程简单,多数情况下技术经济指标也令人满意。

    The reason that the alkaline cyaniding process is been widespread , mainly is its craft process simple , under most conditions the technical and economic index are satisfactory .

  3. 加压氰化法提取金银的试验研究

    Experimental study on extracting gold , silver by pressure cyanidation method

  4. 采用低温焙烧&氰化法处理含煤氧化金矿石

    To treat coal-bearing oxidized gold ore by roast in low temperature-cyanide process

  5. 温度及溶解氧对氰化法浸金的影响

    The effect of temperature and dissolved oxygen on soaping gold with cyanidation

  6. 用全泥氰化法从浮选金精矿中回收金

    Recovery of Gold by Full-slime Cyanidation Process From Gold Concentrate

  7. 氰化法、硫脲法、水氯化法的比较与展望

    The Comparison among cyanidation process , thiourea leaching and liquor-chlorination and their prospect

  8. 过氧化氢在氰化法浸金中的应用

    Application of hydrogen peroxide to cyanide leaching of gold

  9. 用加压氧化-氰化法从硫精矿中提金试验研究

    Testing Study on the experiment of gold extraction from sulfur concentrate by pressurizing oxidation cyanidation

  10. 对用氰化法从高铜、高铅金精矿中提取金、银进行了试验研究。

    Suichang gold mine deals with gold concentrate containing high copper , lead and zinc by cyanidation .

  11. 对于含硫矿石以浮选&氰化法为宜,金回收率82%;

    Flotation cyanidation is fit for the sulfer bearing gold ore , the total recovery rate of 82 % ;

  12. 氰化法是黄金生产工业占支配地位的浸金方法,速率慢是其主要问题,一直备受研究者的关注。

    Being the predominant approach applied for gold leaching , cyanidation has always been concerned for its low rate .

  13. 与常规氰化法相比,金、银的氰化浸出率分别提高15.85%和30.44%。

    The gold and silver recoveries are increased respectively 15.85 % and 30.44 % in comparison with conventional cyanidation .

  14. 氨性催化氧化-氰化法处理含砷难浸金矿的研究(Ⅱ)

    Study on the extraction of gold from refractory arsenical gold ore with the ammoniacal catalytic oxidation - cyanidation process (ⅱ)

  15. 联合工艺中,首先采用重-浮-磁相结合的选矿方法,所得的产品作为随后苛性钠-石灰法、氧压盐酸法、富氧氰化法等冶炼方法的原料。

    In this process , a combination of ore dressing process , i.e.gravity concentration-flotation-magnetic separation is applied at the first stage .

  16. 试验研究表明:对于包裹金含量低的矿石,以氰化法为宜,金浸出率85%;

    Experiment study demonstrates : individual cyanidation is suitable for lesser enclosure of the gold ore , leaching rate of 85 % ;

  17. 综述了黄铁矿烧渣的利用现状以及氰化法回收烧渣中金银的影响因素。

    The present utilize condition of pyrite slag and the affect factors to the cyanide process to reclaim gold and silver were reviewed .

  18. 本文讨论了在酸性溶液中,用湿法氯化从新疆托里地区氰化法矿渣中提取金的实验方法。

    The article is about experiments to extract gold from the slag of cyanidation in the Tuoli Prefecture of Xinjiang in an acid solution by humid-chlorinate .

  19. 以甘肃坪定金矿为例,其浸出率可由氰化法的15%提高到90%。

    The leaching rate of gold is increased to 90 % by ammonium thiosulfate , as against the 15 % under the condition of cyanide leaching .

  20. 影响氰化法侵金的因素较多,其中选择适宜温度和溶解氧供给条件,也是提高金矿石氰化浸出率的两项重要技术措施。

    There are many factors affecting soaping gold with cyanidation , two of which , suitable temperature and dissolved oxygen , can increase gold leaching ratio with cyanidation .

  21. 分别介绍了加压氰化法处理难浸金矿、失效汽车催化剂、含铂族金属矿物等方面的研究工作及其最新进展。

    The researches and newest progressing in pressure cyanidation method for treating the refractory gold ores , spent auto-catalysts and platinum-group metals ores were reviewed in present paper .

  22. 结果表明,该矿石应用传统氰化法时,金浸取率低的主要影响因素是超细微粒金高度弥散分布在硫化物和硅盐矿物中;

    From the results of experiment , the first reason for the low cyanide extraction was that the microscopic and submicroscopic gold were distributed in sulfide and silicate minerals .

  23. 研究了加压氰化法从失效汽车催化剂中选择性浸出铂族金属,考察了加压氰化过程影响金属浸出率的各种因素。

    Pressure cyanide selectively leaching of platinum-group metals ( PGMs ) from spent automobile catalysts was studied , and various effects on the extraction of cyanide leaching were also discussed .

  24. 本文介绍了我国褐铁矿型金矿的资源情况,并详细地叙述了堆浸、全泥氰化法、树脂矿浆法及几种新技术。

    This paper introduces the resources status of gold ore of gossen type in china and describes in detail heap leaching , all-slime cyanidation , resin-in-pulp method and several new technologies .

  25. 摘要介绍了四种传统的己二腈生产工艺技术及特点,指出丁二烯直接氰化法的研发与大规模丁二烯氰化装置的建设对中国己二腈工业的具有重要意义。

    Four traditional methods and features of adiponitrile production are introduced , the research of direct cyanidation of butadiene and construction of large scale adiponitrile production wnit is very important to Chinese adiponitrile industry .

  26. 某些金精粉中单体金和裸露金所占比例虽然较高,但采用常规氰化法直接浸取时,金的浸出率仍然很低。

    The detailed investigation has shown that although gold concentrate powders have a higher proportion of liberated or exposed gold particles , the results obtained by direct leaching them using conventional cyanide process are not very satisfactory .

  27. 研究表明,采用硝酸铅预浸+全泥氰化法较为适宜,其银金浸出率分别达到83.5%和77.5%。

    The Study shows , the process of " pre - leaching by lead nitrate then all - sliming cyeddation " is suitable , and the recoveries of silver and gold reach respectively 83 . 5 % and 77 . 5 % .

  28. 该工艺与常规氰化法相比,具有浸出周期短、效率高,投资少、成本低、浸出率高等优点,具有推广价值。

    Compared with conventional cyanidation method , this technology has a great deal of advantages , such as short leaching cycle , high efficienty , low investment and production cost , high leaching rate etc. , thus it is worthy to be popularized .

  29. 结果表明,在选择的条件下,生物浸金制剂对氧化型金矿石金的浸出率大于95%,对经过细菌预氧化的难浸金精矿金的浸出率与氰化法相同。

    It showed that in the given conditions , the gold leaching rate of oxidized type gold ore by biologicals was more than 95 % while the gold leaching rate of refractory gold concentrate after bacterial pre oxidation was the same as that by cyanide leaching .

  30. 根据氰化法和水氯化法对湖北省红土型金矿石浸金试验结果,论证红土型金矿石浸出剂的合理选择,兼评二者长短。

    On the basis of testing results of gold leaching from lateritic gold ores in Hubei by cyanide process and chlorination process , this paper discusses the advantages and disadvantages of two leaching methods above as well as rational selection of leaching agent for lateritic gold ore .