• Sulphate pulp: Alkaline pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide.

    重硫酸盐:把木片苛性钠硫酸钠溶液内加压蒸煮而成的碱性浆。

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  • Paper-plastic-braided composite packaging boag for sodium sulphide belongs to an improvement of the structure of package for railway transportation.

    硫化碱纸塑编复合包装袋属于铁路运输包装结构改进

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  • The method that extending the stripping time and adding sodium sulphide to break the complexation was used to improve the efficiency of air stripping.

    采用延长时间加入硫化钠破坏络合作用方法,提高吹脱效率

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  • Proper sodium sulphide can increase the floating speed of Cu mineral in slag and Cu grade of concentrate on the premise that the desired recovery is gained.

    探讨了硫化钠作用机理,硫化钠提高铜矿浮游速度预期回收率前提提高精矿品位

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  • Additions of sodium sulphide can promote greatly the collector-free flotation of pyrite, showing sodium sulphide has good induced effect on pyrite flotation.

    硫化钠添加明显促进黄铁矿的无捕收剂浮选黄铁矿良好的硫化钠诱导浮选。

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  • The influence of slimes on flotation process, action mechanism of sodium sulphide and amine flotation mechanism are also discussed in the light of testing results.

    文中结合试验结果浮选过程中有关矿泥影响硫化钠作用胺法浮选工艺的实质作了讨论

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  • This paper discusses the method for measurement of heavy metal (calculate by Pb) by sodium sulphide -glycerine solution instead of saturated hydrogen sulphide solution.

    探讨硫化钠-丙三醇溶液代替饱和硫化氢水溶液进行重金属(铅计)测定分析方法

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  • To observe and study some regulators which influence the flotation of Copper mineral in Raranda slag of Daye, and probe into the function amd mechanism of the sodium sulphide.

    考察了一些调整剂对大冶诺兰炉渣浮选影响

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  • A waste alkaline liquor produced in the process of oil refining contains high concentration sodium sulphide and mercaptan sodium etc, which needs treatment before its neutralization.

    炼油厂生产过程产生碱液含有浓度很高硫化钠硫醇恶臭物质,在中和废碱液前进行处理

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  • The present situation of metallurgical off-gas treatment in Northwest China is analyzed and sodium sulphide-elemental sulphur desulphurization technology suitable to the area is proposed.

    分析了我国西北地区二氧化硫烟气处理现状,提出一种适合地区烟气脱硫技术——硫化钠一元素硫法

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  • In accordance with the market demand of sodium sulphide at home and abroad in recent years, a new product, the high purity white sodium sulphide crystal with concentration of 45% Na_2S was prepared.

    针对近几年国内外硫化碱市场需求,研制出了一种硫化钠质量分数为45%左右白色高纯结晶硫化钠产品

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  • By adding sodium sulphide to depress quartz in the cleaning, high grade fluorite concentrate can be gained, whose content of silicon is under 1.0%, grade is over 97% and recovery is higher than 87%.

    同时采用精选补加硫化钠抑制石英得到了含低于1.0%,品位高于97%,总回收率高于87%品级萤石

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  • The industrial practice on recovery of molybdenum from sulphide waste materials and production of qualified sodium molybdate and molybdenum oxide were presented.

    介绍复杂的硫化物废料回收生产合格工业氧化钼的工业实践

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  • In basic media containing sodium hydroxide, potassium hydroxide, diethylamine and ethylenediamine, and in the presence of sulphide ion, there appears a sensitive adsorption wave.

    氢氧化钠、氢氧化钾、二乙胺乙二胺碱性溶液中,在离子存在下套出现灵敏吸附

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  • COOH and -SH two polar groups in mercaptoacetic sodium acid have properties of strong reaction to sulphide ores. It is the most satisfactory agent for replacing sodium cyanide to suppress impurities.

    巯基乙酸两个极性基团COOHSH具有同硫化强烈反应特性代替氰化钠理想药剂

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  • COOH and -SH two polar groups in mercaptoacetic sodium acid have properties of strong reaction to sulphide ores. It is the most satisfactory agent for replacing sodium cyanide to suppress impurities.

    巯基乙酸两个极性基团COOHSH具有同硫化强烈反应特性代替氰化钠理想药剂

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