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    • 6. 发明专利
    • Apparatus and method for decomposition treatment of sulfur hexafluoride
    • 硫化氢分解处理装置及方法
    • JP2013066855A
    • 2013-04-18
    • JP2011207767
    • 2011-09-22
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社Mhi Oceanics Co Ltdエムエイチアイオーシャニクス株式会社
    • URESHINO AYAKOTSUKAHARA CHISATOIKUTA ATSUSHIKUZUSHIMA FUMITOFUKUZUMI TADATSUGU
    • B01J8/08B01J8/02C01B17/74C01G49/10
    • PROBLEM TO BE SOLVED: To provide an apparatus and a method for decomposition of sulfur hexafluoride which enable convenient and reliable decomposition and detoxification of sulfur fluoride.SOLUTION: The apparatus includes a sulfur hexafluoride storage tank 12 storing sulfur hexafluoride 11, a supply tank 14 supplying a hydrolyzing agent 13 of a metal, e.g. iron, a hydrolysis section 15 packed with the hydrolyzing agent 13 to allow hydrolysis, a liquid recovery section 18 and a solid recovery section 19 recovering liquid products 16 and solid products 17, respectively, produced by the hydrolysis, a heater 20 serving as a heating means for heating the hydrolysis section 15 externally, a sulfur hexafluoride (SF) gas feed line Lfeeding sulfur hexafluoride (SF) 11 to the hydrolyzing agent 13 in the hydrolysis section 15 and a steam supply means 22 for supplying high-temperature steam 21 into the hydrolysis section 15. The sulfur hexafluoride 11 is hydrolyzed for detoxification treatment in the hydrolysis section 15.
    • 要解决的问题:提供一种分解六氟化硫的装置和方法,其能够方便可靠地分解和解毒氟化硫。 解决方案:该装置包括储存六氟化硫11的六氟化硫储存罐12,供应金属的水解剂13的供应罐14,例如水。 铁,用水解剂13填充以水解的水解部分15,液体回收部分18和固体回收部分19,分别回收通过水解产生的液体产物16和固体产物17,加热器20用作加热 用于在外部加热水解部分15的装置,六氟化硫(SF 6 )供气管线L 1 水解部分15中的水解剂13和用于将高温蒸汽21供应到水解部分15中的蒸汽供应装置22中。将六氟化硫11水解 在水解部分15中进行解毒处理。版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Method of manufacturing ferric chloride solution
    • 制造氟氯化物溶液的方法
    • JP2012176884A
    • 2012-09-13
    • JP2012019722
    • 2012-02-01
    • Jfe Chemical CorpJfeケミカル株式会社
    • HIRAISHI HARUYOSHIKUGA MITSUHIROTAKAGI TAKASHIOKADA HIDEAKI
    • C01G49/10B01D21/01C23G1/19
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a ferric chloride solution in which the production process is easy, the cost is low, and also the quality is high.SOLUTION: A hydrochloric acid recovery manufacturing process in which a hydrochloric acid pickling waste liquid is used as a raw material comprises as follows. Iron oxide and hydrochloric acid are generated by a roasting reaction of the following formula (1) 2FeCl+1/2O+2HO→FeO+4HCl (1), next, the generated hydrochloric acid is recovered, the recovered high temperature hydrochloric acid is partially directly supplied to a dissolution reaction tank, the recovered hydrochloric acid is stirred in the dissolution reaction tank, and the recovered iron oxide is supplied from the upper part of the dissolution reaction tank in a molar ratio of 1.3-2.5 based on the free hydrochloric acid part of the recovered hydrochloric acid, and the recovered iron oxide is directly dissolved to the recovered hydrochloric acid to be turned into a ferric chloride solution by a reaction of the following formula (2) FeO+6HCl→2FeCl+3HO (2).
    • 解决的问题:为了提供制造方法容易的氯化铁溶液的制造方法,成本低,质量高。 解决方案:使用盐酸酸洗废液作为原料的盐酸回收制造方法包括如下。 氧化铁和盐酸通过以下公式(1)的焙烧反应产生:2FeCl 2 + 1 / 2O 2 + 2H 2 O→Fe 2 O 3 + 4HCl(1) 接着,回收生成的盐酸,将回收的高温盐酸部分直接供给到溶解反应槽中,在溶解反应槽中搅拌回收的盐酸,从上部回收回收的氧化铁 溶解反应槽,以回收盐酸的游离盐酸为基准,摩尔比为1.3〜2.5,将回收的氧化铁直接溶解于回收的盐酸中,使其变成氯化铁溶液, 以下公式(2)Fe 2 O 3 + 6HCl→2FeCl 3 + 3H 2 O(2)。 版权所有(C)2012,JPO&INPIT