JPH0142893B2 - - Google Patents
Info
- Publication number
- JPH0142893B2 JPH0142893B2 JP55017949A JP1794980A JPH0142893B2 JP H0142893 B2 JPH0142893 B2 JP H0142893B2 JP 55017949 A JP55017949 A JP 55017949A JP 1794980 A JP1794980 A JP 1794980A JP H0142893 B2 JPH0142893 B2 JP H0142893B2
- Authority
- JP
- Japan
- Prior art keywords
- product
- solution
- crude
- sulfate
- centrifugation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 77
- 239000000243 solution Substances 0.000 claims description 64
- 239000000047 product Substances 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 51
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 50
- 229940117975 chromium trioxide Drugs 0.000 claims description 49
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 claims description 49
- 239000013078 crystal Substances 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 38
- 238000005406 washing Methods 0.000 claims description 35
- 238000004140 cleaning Methods 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 26
- 238000005119 centrifugation Methods 0.000 claims description 25
- 239000012043 crude product Substances 0.000 claims description 25
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 22
- 229910000342 sodium bisulfate Inorganic materials 0.000 claims description 22
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 16
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 15
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 11
- 239000012264 purified product Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 2
- 239000002002 slurry Substances 0.000 description 18
- 238000002844 melting Methods 0.000 description 14
- 230000008018 melting Effects 0.000 description 14
- 238000000746 purification Methods 0.000 description 13
- 239000012535 impurity Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 9
- 238000009987 spinning Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000011651 chromium Substances 0.000 description 5
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- -1 alkali metal dichromate Chemical class 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- HFTNNOZFRQLFQB-UHFFFAOYSA-N ethenoxy(trimethyl)silane Chemical compound C[Si](C)(C)OC=C HFTNNOZFRQLFQB-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 239000012047 saturated solution Substances 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- SHIYKHFFMRDJJC-UHFFFAOYSA-L [Na+].[Na+].[O-]O[O-] Chemical compound [Na+].[Na+].[O-]O[O-] SHIYKHFFMRDJJC-UHFFFAOYSA-L 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- CMMUKUYEPRGBFB-UHFFFAOYSA-L dichromic acid Chemical compound O[Cr](=O)(=O)O[Cr](O)(=O)=O CMMUKUYEPRGBFB-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 239000003171 wood protecting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
- C01G37/033—Chromium trioxide; Chromic acid
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7905656 | 1979-02-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55113626A JPS55113626A (en) | 1980-09-02 |
JPH0142893B2 true JPH0142893B2 (US20020095090A1-20020718-M00002.png) | 1989-09-18 |
Family
ID=10503259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1794980A Granted JPS55113626A (en) | 1979-02-17 | 1980-02-18 | Manufacture of chromium trioxide |
Country Status (9)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA814951B (en) * | 1980-08-02 | 1982-08-25 | British Chrome Chemicals Ltd | Productions of chromium trioxide |
US8336277B1 (en) | 2011-07-07 | 2012-12-25 | Solon Corporation | Integrated photovoltaic rooftop modules |
US9263985B2 (en) | 2012-11-13 | 2016-02-16 | Pi Solar Technology Gmbh | Rooftop photovoltaic modules |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US322011A (en) * | 1885-07-14 | Depabtment of the interior | ||
US1429912A (en) * | 1921-11-05 | 1922-09-19 | D Adrian Alexander L Duval | Process of making green chrome oxide |
GB338938A (en) * | 1929-07-30 | 1930-12-01 | Harshaw Chem Corp | An improved process and apparatus for the manufacture of chromium trioxide |
US2034256A (en) * | 1930-05-27 | 1936-03-17 | Natural Products Refining Co | Process for producing chromic acid |
DE742797C (de) * | 1938-02-20 | 1943-12-11 | Ig Farbenindustrie Ag | Vorrichtung zur kontinuierlichen Durchfuehrung der bei der Darstellung von Chromsaeure aus Alkalichromaten bzw. -bichromaten und Schwefelsaeure sowie der zur Durchfuehrung aehnlich verlaufender Umsetzungen erforderlichen Reaktions- und Trennvorgaenge |
GB724246A (en) * | 1952-02-15 | 1955-02-16 | Diamond Alkali Co | Improvements in or relating to the manufacture of solid chromic anhydride |
DE1000016B (de) * | 1952-02-15 | 1957-01-03 | Diamond Alkali Co | Verfahren zur Herstellung von Chromsaeureanhydrid |
US2632688A (en) * | 1952-02-15 | 1953-03-24 | Diamond Alkali Co | Production of chromium trioxide |
CH316730A (fr) * | 1952-11-01 | 1956-10-31 | Diamond Alkali Co | Procédé de préparation d'une composition contenant du chrome |
DE1026290B (de) * | 1953-03-20 | 1958-03-20 | Diamond Alkali Co | Verfahren zur Herstellung von Chromsaeureanhydrid |
GB793973A (en) * | 1954-10-12 | 1958-04-23 | Diamond Alkali Co | Improvements in or relating to chromium-containing compositions of matter |
GB875111A (en) * | 1958-07-17 | 1961-08-16 | Bayer Ag | A process for the production of chromium trioxide |
US3002815A (en) * | 1958-07-17 | 1961-10-03 | Bayer Ag | Process for the production of chromium trioxide |
JPS5021992B1 (US20020095090A1-20020718-M00002.png) * | 1968-02-17 | 1975-07-26 | ||
SU385924A1 (ru) * | 1969-01-28 | 1973-06-14 | Способ получения окиси хрома | |
US3607026A (en) * | 1969-04-18 | 1971-09-21 | Diamond Shamrock Corp | Continuous chromic acid process and apparatus |
-
1980
- 1980-02-06 ZA ZA00800691A patent/ZA80691B/xx unknown
- 1980-02-11 GB GB8004527A patent/GB2041347B/en not_active Expired
- 1980-02-11 US US06/120,432 patent/US4291000A/en not_active Expired - Lifetime
- 1980-02-12 NL NL8000872A patent/NL8000872A/nl not_active Application Discontinuation
- 1980-02-13 FR FR8003186A patent/FR2449063A1/fr active Granted
- 1980-02-13 DE DE19803005361 patent/DE3005361A1/de active Granted
- 1980-02-14 BE BE1/9721A patent/BE881716A/nl not_active IP Right Cessation
- 1980-02-15 IT IT67233/80A patent/IT1128363B/it active
- 1980-02-18 JP JP1794980A patent/JPS55113626A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3005361A1 (de) | 1980-09-04 |
JPS55113626A (en) | 1980-09-02 |
BE881716A (nl) | 1980-08-14 |
GB2041347B (en) | 1983-01-06 |
US4291000A (en) | 1981-09-22 |
GB2041347A (en) | 1980-09-10 |
NL8000872A (nl) | 1980-08-19 |
DE3005361C2 (US20020095090A1-20020718-M00002.png) | 1990-11-29 |
FR2449063B1 (US20020095090A1-20020718-M00002.png) | 1985-03-08 |
IT1128363B (it) | 1986-05-28 |
FR2449063A1 (fr) | 1980-09-12 |
IT8067233A0 (it) | 1980-02-15 |
ZA80691B (en) | 1981-02-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5818332A (ja) | 芳香族モノカルボン酸の製法 | |
US5030439A (en) | Method for producing particulate titanium oxides | |
CN108329205A (zh) | 双(2-乙酰氧基苯甲酸)钙脲化合物的制备方法 | |
CA2434980C (en) | Purification of 2-nitro-4-methylsulphonylbenzoic acid | |
FI77831B (fi) | Foerfarande foer framstaellning av titandioxid. | |
AU2002249384A1 (en) | Purification of 2-nitro-4-methylsulphonylbenzoic acid | |
JPH0142893B2 (US20020095090A1-20020718-M00002.png) | ||
CN102070672B (zh) | 一种六氯环三磷腈的制备方法 | |
JP2002503620A (ja) | 純粋な二酸化チタン水和物及びその製造方法 | |
CN110423893A (zh) | 四氯化钛精制尾渣制备硫酸氧钒的方法 | |
CN113860331A (zh) | 利用废液为原料合成高活性氟化钾并联产氟化钠的方法 | |
JP4635310B2 (ja) | 中性硫酸ナトリウム組成物およびその製造方法 | |
KR20190047026A (ko) | 산업적 옥살산 제일철로부터 옥살산의 회수 | |
JPS61134342A (ja) | 固体有機酸無水物から有機酸を製造する方法 | |
JPH02255899A (ja) | 水に不溶性のジペルオキシジカルボン酸を含む安定化した漂白剤の製造方法並びに繊維製品及び繊維の漂白法 | |
JPH069683A (ja) | 製薬等級高純度イオデオキシコール酸の製造法 | |
RU2102324C1 (ru) | Способ получения диоксида титана | |
JP3394980B2 (ja) | フリーヒドロキシルアミン水溶液の製造方法 | |
EP0045590A1 (en) | Production of chromium trioxide | |
US3352861A (en) | Process for the recovery of acetoguanamine | |
US5371281A (en) | Process for preparing alkali metal 3-sulfobenzoates | |
JP2017137243A (ja) | 2−ニトロ−4−メチルスルホニル安息香酸の製造方法 | |
JP3503115B2 (ja) | フリーヒドロキシルアミン水溶液の製造方法 | |
JPS629522B2 (US20020095090A1-20020718-M00002.png) | ||
US2040926A (en) | Concentration of aliphatic acids |