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过硫酸钾制备方法有哪些?

更新时间:2021-12-30 点击数:665

方法一

Method 1

硫酸钾法用硫酸铵和硫酸配制成电解液除杂质后进行电解。HSO4在阳极放电而生成过二硫酸,再与硫酸铵反应生成过硫酸铵,然后加入硫酸钾进行复分解反应,经冷却、分离、结晶、干燥,制得过硫酸钾成品。其

The potassium sulfate method uses ammonium sulfate and sulfuric acid to prepare an electrolyte for electrolysis after removing impurities. HSO4 is discharged at the anode to produce persulfate, and then reacts with ammonium sulfate to produce ammonium persulfate, then potassium sulfate is added for double decomposition reaction, and the finished product of potassium persulfate is prepared through cooling, separation, crystallization and drying. his

阳极反应:2HSO4-2e→H2S2O8

Anode reaction: 2hso4-2e → h2s2o8

阴极反应:2H+2e→H2↑

Cathode reaction: 2h + 2e → H2 ↑

(NH4)2SO4+H2S2O8→(NH4)2S2O8+H2SO4

(NH4)2SO4+H2S2O8→(NH4)2S2O8+H2SO4

(NH4)2S2O8+K2SO4+H2SO4→K2S2O8+2NH4HSO4

(NH4)2S2O8+K2SO4+H2SO4→K2S2O8+2NH4HSO4

方法二

Method 2

由过硫酸铵与硫酸钾进行复分解反应后,冷却、分离、结晶、干燥而得。

It is obtained by double decomposition reaction of ammonium persulfate and potassium sulfate, cooling, separation, crystallization and drying.

过硫酸钾用途

Application of potassium persulfate

过硫酸钾可用作油井压裂液的破胶剂。在合成树脂、合成橡胶工业中作为乳液聚合的引发剂,用于丁二烯苯乙烯橡胶的合成;在照相业中用作硫代硫酸钠的脱除剂;染料和印染工业中用作氧化剂;油脂工业中作漂白剂等。

Potassium persulfate can be used as gel breaker for oil well fracturing fluid. In the synthetic resin and synthetic rubber industry, it is used as initiator of emulsion polymerization for the synthesis of butadiene styrene rubber. Used as a remover of sodium thiosulfate in the photographic industry; Used as oxidant in dye and printing and dyeing industry; Used as bleaching agent in oil industry.

过硫酸钾注意事项

Precautions for potassium persulfate

操作注意事项:密闭操作,加强通风。操作人员必须经过专门培训,严格遵守操作规程。建议操作人员佩戴头罩型电动送风过滤式防尘呼吸器,穿聚乙烯防毒服,戴橡胶手套。远离火种、热源,工作场所严禁吸烟。避免产生粉尘。避免与还原剂、活性金属粉末、碱类、醇类接触。搬运时要轻装轻卸,防止包装及容器损坏。禁止震动、撞击和摩擦。配备相应品种和数量的消防器材及泄漏应急处理设备。倒空的容器可能残留有害物。

Precautions for operation: close operation and strengthen ventilation. Operators must receive special training and strictly abide by the operating procedures. It is recommended that operators wear hooded electric air supply filter dust respirator, polyethylene anti-virus clothing and rubber gloves. Keep away from kindling and heat sources. Smoking is strictly prohibited in the workplace. Avoid dust generation. Avoid contact with reducing agent, active metal powder, alkali and alcohol. Handle with care to prevent damage to packaging and containers. Vibration, impact and friction are prohibited. Provide corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. Emptied containers may leave harmful substances.

储存注意事项:储存于阴凉、干燥、通风良好的库房。远离火种、热源。包装密封。应与还原剂、活性金属粉末、碱类、醇类等分开存放,切忌混储。储区应备有合适的材料收容泄漏物。

Storage precautions: store in a cool, dry and well ventilated warehouse. Keep away from fire and heat source. Packing and sealing. It shall be stored separately from reducing agent, active metal powder, alkali, alcohol, etc., and mixed storage shall not be allowed. The storage area shall be provided with suitable materials to contain leakage.

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