Sulphate pulp: Alkaline pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide.
重硫酸盐浆:把木片在苛性钠和硫酸钠溶液内加压蒸煮而成的碱性浆。
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的改进。
The method that extending the stripping time and adding sodium sulphide to break the complexation was used to improve the efficiency of air stripping.
采用延长吹脱时间和加入硫化钠破坏络合作用的方法,提高吹脱效率。
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.
探讨了硫化钠的作用机理,硫化钠可提高铜矿物浮游速度,在预期回收率前提下提高铜精矿品位。
Additions of sodium sulphide can promote greatly the collector-free flotation of pyrite, showing sodium sulphide has good induced effect on pyrite flotation.
硫化钠的添加,明显促进了黄铁矿的无捕收剂浮选,黄铁矿有良好的硫化钠诱导浮选。
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.
文中还结合试验结果对浮选过程中有关矿泥的影响、硫化钠的作用及胺法浮选工艺的实质作了讨论。
This paper discusses the method for measurement of heavy metal (calculate by Pb) by sodium sulphide -glycerine solution instead of saturated hydrogen sulphide solution.
探讨了用硫化钠-丙三醇溶液代替饱和硫化氢水溶液进行重金属(以铅计)测定的分析方法。
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含铜诺兰达炉渣浮选的影响。
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.
炼油厂生产过程中产生的废碱液,含有浓度很高的硫化钠,硫醇钠等恶臭物质,在中和废碱液前需对其进行处理。
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,提出一种适合该地区的烟气脱硫技术——硫化钠一元素硫法。
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%左右的白色高纯结晶硫化钠新产品。
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,得到了含硅量低于1.0%,品位高于97%,总回收率高于87%的高品级萤石。
The industrial practice on recovery of molybdenum from sulphide waste materials and production of qualified sodium molybdate and molybdenum oxide were presented.
介绍了从复杂的硫化物废料中回收钼,生产合格的钼酸钠和工业氧化钼的工业实践。
In basic media containing sodium hydroxide, potassium hydroxide, diethylamine and ethylenediamine, and in the presence of sulphide ion, there appears a sensitive adsorption wave.
在氢氧化钠、氢氧化钾、二乙胺和乙二胺碱性溶液中,在硫离子存在下套出现灵敏的吸附波。
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.
巯基乙酸钠中两个极性基团一COOH及—SH具有同硫化矿强烈反应的特性,是代替氰化钠抑杂的理想药剂。
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.
巯基乙酸钠中两个极性基团一COOH及—SH具有同硫化矿强烈反应的特性,是代替氰化钠抑杂的理想药剂。
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