• 以硫酸为浸出剂,采用热活化浸出的方法处理含铟0.4%的转炉渣回收铟。

    Indium was recycled from a certain converter slag containing 0.4% indium through a method of thermal activation leaching in sulfuric acid solution.

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  • 氧化铜矿石的浸出过程主要受浸出剂与溶出物在矿石中的渗流与扩散速度的影响。

    The process of leaching depends on the seeping and diffusing velocity of leaching agent and resultant.

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  • 与常规堆浸工艺相比较,细菌堆浸新工艺具有浸出周期短,酸用量低,节省氧化剂,降低浸出剂用量,浸出液平均铀浓度高等优点。

    Compared with conventional heap leaching, bioleaching period and acid amount are reduced, oxidant and leaching agent are saved, and uranium concentration in leaching solution is increased.

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  • 浸取剂的酸碱性是影响电解锰渣浸出毒性的主要因素。

    The pH value of the leaching agent is main factor affecting the leaching toxicity of EMR.

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  • 浸出过程为化学反应过程,矿物粒度、浸取剂浓度对反应速率影响也较大。

    Leaching process is a chemical reaction process, mineral particle size and concentration also have great impact on the leaching rate.

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  • 以硝酸为氧化剂、硫酸为添加剂的混酸体系用于铜镍硫化矿尾矿中镍、铜、钴等有价金属的浸出,镍、铜、钴浸出率分别可达91。

    A mixed nitric-sulphuric acids is used to recover the valuable metals ni, Cu and co from low-grade Ni-Cu sulfide tailings, the leaching rate of ni, Cu, and co is 91.

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  • 选择微波辐射预处理废催化剂,可以显著提高锌的浸出率。

    Using microwave radiation to pretreat exhausted catalyst can improve the ratio of zinc leaching obviously.

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  • 本文研究了在浸出过程中加入添加剂抑制杂质浸出的方法。

    In this paper, studies are made on the impurities control method during leach by adding the additive.

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  • 采用改进铁氧体共沉淀法,用石灰乳溶液作中和剂,从污泥浸出液中去除铜、锌。

    Copper and zinc in sludge extract were removed by improved ferrite coprecipitation process using lime milk as neutralization reagent.

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  • 分析了还原剂、温度和时间对锶浸出率的影响,研究了氯化锶溶液中脱除杂质的方法和效果。

    The effect of reducing agent, temperature and time on leaching of strontium are investigated, and the method for purification of strontium chloride solution is also studied.

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  • 考查了焙烧温度、焙烧时间、添加剂种类及添加量等因素对钒浸出率的影响。

    Effects of roasting temperature, roasting time, kinds and addition amount of addition and other factors to vanadium leaching rate were investigated.

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  • 实验结果充分表明:我们找到的催化剂A能提高金的浸出速度和浸出效率。

    The experimental results show that catalyst A found by us can increase the speed of gold dissolution and the rate of gold leaching.

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  • 本文用正交设计方法对过磷酸钙水浸取过程中倍半氧化物的浸出进行了实验研究,筛选了添加剂的种类和浸取条件。

    The water extraction process of iron and aluminum oxides from superphosphate is experimented and studied by orthogonal designing method and the kinds of additive and extraction conditions are sieved.

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  • 研究了焙烧温度、焙烧时间、失活催化剂平均粒径、浸出温度与时间对钼浸取率的影响。

    The effects of roasting temperature and time, particle size of the inactive catalyst, leaching temperature and time on the Mo extraction were analysed.

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  • 助渗剂以表面活性剂为主体,目的是提高溶浸剂的渗透性和浸出工艺的效率。

    The permeation-promoters are added, which consist of different surfactants, to increase the permeability of fluid and the leaching efficiency.

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  • 研究表明,从催化剂中回收贵金属,可采用湿法浸出法和火法富集;

    The research shows that the precious metals can be recovered from the catalyst by the wet leaching method and the fire concentration method.

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  • 以三聚磷酸钠为沉淀剂,研究了模拟含铟加压浸出液和实际含铟加压浸出液中影响铟沉淀率的因素。

    Influence factors of indium precipitation rate from simulated and actual pressure oxidative leaching liquor with sodium tripolyphosphate were investigated.

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  • 二氧化硫作还原剂,用碳酸铵溶液可实现从钴壳中选择性浸出镍、钴和铜。

    Selective leaching of nickel, cobalt and copper from cobalt crusts was attained by using ammonium carbonate solution and sulfur dioxide gas as a reductant.

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  • 大豆油脚浸出油与甲醇在催化剂koh作用下通过酯交换反应制得生物柴油(BDF)。

    Biodiesel fuel (BDF) has been made by transesterification of extracted oil of soybean oil sediment with methanol in the presence of KOH as catalyst.

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  • 通过对废催化剂中有价金属钼回收工艺的研究,突破传统工艺,采用酸浸法提高钼浸出率,实现工业化生产。

    By breaking through traditional technology and adopting acidizing, the extraction ratio of molybdenum was raised and industrial production was realized.

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  • 同时室内浸出试验结果表明:在空气预氧化和氧气作氧化剂的条件下,用天然含矿含水层的地下水可以成功浸出矿石中的铀。

    The results of the laboratory experiment show that under the air preparing or oxygen oxidizing ore, the uranium can be leached from ores by natural ore-bearing aquifer groundwater.

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  • 结合某铀矿床碱法地浸室内试验,进行了氧化剂的种类、质量分数和溶浸剂的种类、质量分数选择试验,研究了反应时间、矿石粒度对铀浸出率的影响。

    According to the in-room experiment for alkaline leaching of uranium deposit, the effects of the sorts and concentration of oxidants and solvent solutions are studied.

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  • 采用X射线衍射(XRD)和扫描电子显微镜(SEM)对微波辐射预处理前后和浸出前后的物相及废催化剂形貌进行了表征。

    The phase and morphology of exhausted catalyst before and after microwave radiation-pre- treatment and leaching are characterized by XRD and SEM techniques.

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  • 用硫酸和氧气及催化剂对陕西某地的硫化锌精矿进行了浸出试验研究。

    The test of leaching rate on zinc sulfide concentrate in Shaanxi province with sulfuric acid, oxygen and catalyst has been taken.

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  • 采用酸浸法浸出废催化剂中的钼、镍、铋、镁,将浸出液沉钼酸后,对钼酸母液中的镍、铋、镁经过多级沉淀处理后加以综合回收。

    Nickel bismuth magnesian is recycled by multiprecipitate after molybdenum is deposited from molybdenum-leaching solution and industrial production is realized.

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  • 试验结果表明,铜浸出率与氨浓度、浸出周期、温度、液固比、活化剂等因素有关。

    The test result indicated that copper leaching rate related to the ammonia density, leaching cycle, temperature, liquid solid proposition, activator and so on.

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  • 方法:用薄层色谱鉴别颗粒剂中的麦冬、金银花,测定醇性浸出物,并考察本品的稳定性。

    Method: TLC was used to test Radix Ophzopogonis and Flos Lonicerae, and assaying the alcohol extraction, as well as the granule stability.

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  • 结果表明,加压和加入氧化剂高锰酸钾对锌渣氧粉中铟的浸出有较好的强化作用,能明显提高铟浸出率。

    The experimental results showed that the extraction of indium from ZOFD can be enhanced effectively by both pressuring and using potassium permanganate as oxidant.

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  • 结果表明,加压和加入氧化剂高锰酸钾对锌渣氧粉中铟的浸出有较好的强化作用,能明显提高铟浸出率。

    The experimental results showed that the extraction of indium from ZOFD can be enhanced effectively by both pressuring and using potassium permanganate as oxidant.

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