公开(公告)号：EP1938888B1

公开(公告)日：2011-11-16

申请号：EP06797665.4

申请日：2006-09-08

申请人： Stella Chemifa Corporation

发明人： WAKI, Masahide ,  MIYAMOTO, Kazuhiro

IPC分类号： B01D59/32 ,  C01B33/02 ,  C01B33/107

CPC分类号： C01B33/107 ,  B01D59/32 ,  C01B33/103 ,  Y10S423/07

摘要： An isotope concentration method comprising the step of performing the isotope exchange between an aqueous solution containing at least two components each represented by the formula: H2O-H2SiF6·nSiF4 (wherein n≥0) and a gas containing SiF4 to concentrate a stable Si isotope.

公开(公告)号：EP2123600A1

公开(公告)日：2009-11-25

申请号：EP08704434.3

申请日：2008-02-05

申请人： Stella Chemifa Corporation

发明人： WAKI, Masahide ,  MIYAMOTO, Kazuhiro ,  AOKI, Kenji

IPC分类号： C01B25/10 ,  B01D53/14 ,  B01D53/68 ,  B01D53/77 ,  C01B25/455

CPC分类号： C01B25/10 ,  C01B25/455 ,  C01D15/005

摘要： A process for phosphorus pentafluoride production by which high-purity phosphorus pentafluoride can be produced by a simple and economical procedure without the need of a large-scale purification apparatus or high-pressure apparatus and without generating a large amount of a by-product gas requiring a special discharge-gas treatment. The process for phosphorus pentafluoride production is characterized by introducing hydrogen fluoride and a hexafluorophosphate (MPF 6 ) into a vessel and reacting them according to the reaction shown by the scheme (1) to yield phosphorus pentafluoride. MPF 6 + uHF → PF 5 + MF r(HF) (Scheme 1) In the scheme, M is at least any one of Li, Na, K, Rb, Cs, NH 4 , and Ag; 0 ≤ r ≤ u; and the HF is used in an amount not smaller than the stoichiometric amount.

摘要翻译： 一种五氟化磷生产方法，其中可以通过简单和经济的方法制备高纯度五氟化磷，而不需要大规模净化装置或高压装置，并且不产生大量的副产物气体需要 特殊放电气体处理。 五氟化磷生产方法的特征在于将氟化氢和六氟磷酸盐（MPF 6）引入容器中，并根据方案（1）所示的反应进行反应，得到五氟化磷。 MPF 6 + uHF†'PF 5 + MF r（HF）（方案1）在该方案中，M是Li，Na，K，Rb，Cs，NH 4和Ag中的至少一种; 0‰¤r‰¤u; HF的使用量不小于化学计量量。

公开(公告)号：EP2075229A1

公开(公告)日：2009-07-01

申请号：EP08828553.1

申请日：2008-08-29

申请人： Stella Chemifa Corporation

发明人： WAKI, Masahide ,  SAKAI, Daisuke ,  SAKURAI, Toshihisa

IPC分类号： C01B9/08 ,  C07C209/84 ,  C07C211/63 ,  C07D233/58

CPC分类号： C07D233/58 ,  C01B7/195 ,  C01B25/10 ,  C01B35/065 ,  C01F11/22 ,  C01F17/0062 ,  C01P2006/80 ,  C01P2006/82

摘要： Provided is a process for purifying a fluorine compound capable of yielding a highly pure fluorine compound by removing at least oxygen from a fluorine compound containing an oxygen compound as an impurity. In a process according to the present invention for purifying a fluorine compound, the following is brought into contact with the fluorine compound, which contains an oxygen compound as an impurity, thereby removing at least oxygen: carbonyl fluoride in an amount of a 0.1-fold equivalent or more and a 100-fold equivalent or less of oxygen atoms in the fluorine compound.

摘要翻译： 提供一种通过从含有作为杂质的氧化合物的氟化合物中除去至少氧来纯化能够产生高纯度氟化合物的氟化合物的方法。 在根据本发明的用于纯化氟化合物的方法中，使下列物质与含有作为杂质的氧化合物的氟化合物接触，从而至少除去氧气：碳氟化物的量为0.1倍 氟化合物中的氧原子当量以上100倍以下。

公开(公告)号：EP2189418A1

公开(公告)日：2010-05-26

申请号：EP08792375.1

申请日：2008-08-11

申请人： Stella Chemifa Corporation

发明人： WAKI, Masahide ,  HASHIGUCHI, Shinji ,  HIRANO, Kazutaka

IPC分类号： C01B25/10 ,  C01B25/455 ,  H01M10/36

CPC分类号： H01M10/0427 ,  C01B25/10 ,  C01B25/455 ,  C01D15/005 ,  H01M4/582 ,  H01M10/0413 ,  H01M10/0468 ,  H01M10/0568 ,  H01M10/44

摘要： An object the invention is to provide a phosphorus pentafluoride producing process wherein phosphorus pentafluoride is separated/extracted from a pentavalent phosphorus compound or a solution thereof, or a composition obtained by allowing the pentavalent phosphorus compound or the solution thereof to react with hydrogen fluoride, thereby producing phosphorus pentafluoride; and a phosphate hexafluoride producing process wherein the resultant phosphorus pentafluoride is used as raw material to produce a phosphate hexafluoride high in purity. The present invention relates to a process for producing phosphorus pentafluoride, wherein a carrier gas is brought into contact with either of the following one: a pentavalent phosphorus compound, a solution thereof, or a solution in which a composition obtained by allowing the pentavalent phosphorus compound or the solution thereof to react with hydrogen fluoride is dissolved, thereby a phosphorus pentafluoride is extracted into the carrier gas.

摘要翻译： 本发明的目的是提供一种五氟化磷制备方法，其中五氟化磷从五价磷化合物或其溶液中分离/提取，或通过使五价磷化合物或其溶液与氟化氢反应获得的组合物，由此 生产五氟化磷; 和六氟磷酸盐生产方法，其中所得到的五氟化磷用作生产高纯度的六氟磷酸盐的原料。 本发明涉及一种生产五氟化磷的方法，其中使载气与以下任何一种接触：五价磷化合物，其溶液或其中通过使五价磷化合物获得的组合物 或将其与氟化氢反应的溶液溶解，从而将五氟化磷萃取到载气中。

公开(公告)号：EP2123601A1

公开(公告)日：2009-11-25

申请号：EP08704433.5

申请日：2008-02-05

申请人： Stella Chemifa Corporation

发明人： WAKI, Masahide ,  MIYAMOTO, Kazuhiro ,  AOKI, Kenji

IPC分类号： C01B25/455

CPC分类号： C01D15/005 ,  C01B25/455 ,  C01D13/00

摘要： In the manufacturing method of hexafluorophosphate (MPF 6 : M = Li, Na, K, Rb, Cs, NH 4 , and Ag) of the present invention, at least a H x PO y F z aqueous solution, a hydrofluoric acid aqueous solution, and MF · r (HF) are used as raw materials (wherein, r ≥ 0, 0 ≤ x ≤ 3, 0 ≤ y ≤ 4, and 0 ≤ z ≤ 6). According to the above description, a manufacturing method of hexafluorophosphate can be provided which is capable of manufacturing hexafluorophosphate (GPF 6 : G = Li, Na, K, Rb, Cs, NH 4 , and Ag) at a low cost in which the raw materials can be easily obtained, the control of the reaction is possible, and the workability is excellent.

摘要翻译： 在本发明的六氟磷酸盐（MPF 6：M = Li，Na，K，Rb，Cs，NH 4和Ag）的制造方法中，至少含有H x PO y F z水溶液，氢氟酸水溶液 ，MF·r（HF）作为原料（其中，‰¥0，0‰¤x‰¤3，0‰¤‰¤4，0‰¤z‰¤6）。 根据上述说明，可以以低成本制造能够以低成本制造六氟磷酸盐（GPF 6：G = Li，Na，K，Rb，Cs，NH 4和Ag）的六氟磷酸盐的制造方法， 可以容易地获得材料，反应的控制是可能的，并且可加工性是优异的。

公开(公告)号：EP1947057A1

公开(公告)日：2008-07-23

申请号：EP06810921.4

申请日：2006-09-29

申请人： TOHOKU ELECTRIC POWER CO., INC. ,  Stella Chemifa Corporation

发明人： NAGANO, Mitsugu ,  MORIYA, Takehiko ,  WAKI, Masahide ,  MIYAMOTO, Kazuhiro

IPC分类号： C01B33/107

CPC分类号： C01B33/10705 ,  B01D3/146 ,  B01D3/148

摘要： Disclosed is a process for production of silicon tetrafluoride which can reduce the cost for the silicon tetrafluoride production and can also reduce the quantities of waste products produced in the process. Also disclosed is an apparatus for use for the process. The method comprises the steps of: (a) a high-silica fluorosilicic acid production step in which a raw material (1) containing silicon dioxide is reacted with a mixed solution containing hydrofluoric acid and hydrofluorosilicic acid to yield an aqueous high-silica fluorosilicic acid solution: (c) a silicon tetrafluoride production step in which the aqueous high-silica fluorosilicic acid solution is reacted with sulfuric acid to yield silicon tetrafluoride; and (d) a sulfuric acid production step in which a sulfuric acid fraction containing hydrogen fluoride which is a by-product in the silicon tetrafluoride production step (c) is subjected to steam stripping to yield sulfuric acid. The process is characterized in that the sulfuric acid produced in the step (d) is reused in the step (c).

摘要翻译： 公开了生产四氟化硅的方法，其可以降低四氟化硅生产的成本并且还可以减少在该方法中产生的废物的量。 还公开了一种用于该方法的装置。 该方法包括以下步骤：（a）高二氧化硅氟硅酸生产步骤，其中使含有二氧化硅的原料（1）与含有氢氟酸和氢氟硅酸的混合溶液反应，得到高二氧化硅氟硅酸盐 溶液：（c）四氟化硅的制备步骤，其中高硅氧化硅水溶液与硫酸反应产生四氟化硅; 和（d）硫酸生产步骤，其中将在四氟化硅生产步骤（c）中作为副产物的含氟化氢的硫酸馏分进行蒸汽汽提以产生硫酸。 该方法的特征在于步骤（d）中产生的硫酸在步骤（c）中重复使用。

公开(公告)号：EP1938888A1

公开(公告)日：2008-07-02

申请号：EP06797665.4

申请日：2006-09-08

申请人： Stella Chemifa Corporation

发明人： WAKI, Masahide ,  MIYAMOTO, Kazuhiro

IPC分类号： B01D59/32 ,  C01B33/02 ,  C01B33/107

CPC分类号： C01B33/107 ,  B01D59/32 ,  C01B33/103 ,  Y10S423/07

摘要： An isotope enrichment method comprising the step of performing the isotope exchange between an aqueous solution containing at least two components each represented by the formula: H 2 O-H 2 SiF6·nSiF 4 (wherein n ≥ 0) and a gas containing SiF 4 to enrich a stable Si isotope.

摘要翻译： 一种同位素富集方法，其特征在于，包括以下步骤：在含有由式：H 2 OH 2 SiF 6·nSiF 4（其中n‰0）表示的至少两种成分的水溶液和含有SiF 4的气体之间进行同位素交换，以富集 稳定的Si同位素。