DE3780145D1 - Verfahren zur herstellung hochkonzentrierter phosphorsaeure. - Google Patents

Verfahren zur herstellung hochkonzentrierter phosphorsaeure.

Info

Publication number
DE3780145D1
DE3780145D1 DE8787302121T DE3780145T DE3780145D1 DE 3780145 D1 DE3780145 D1 DE 3780145D1 DE 8787302121 T DE8787302121 T DE 8787302121T DE 3780145 T DE3780145 T DE 3780145T DE 3780145 D1 DE3780145 D1 DE 3780145D1
Authority
DE
Germany
Prior art keywords
producing high
phosphoric acids
concentrated phosphoric
high concentrated
acids
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 - Fee Related
Application number
DE8787302121T
Other languages
English (en)
Other versions
DE3780145T2 (de
Inventor
Tadashi Inoue
Akira Ohkoba
Kunio Sakashita
Akira Utsunomiya
Takeki Shinozaki
Minoru Ieda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Application granted granted Critical
Publication of DE3780145D1 publication Critical patent/DE3780145D1/de
Publication of DE3780145T2 publication Critical patent/DE3780145T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/228—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen one form of calcium sulfate being formed and then converted to another form
    • C01B25/229—Hemihydrate-dihydrate process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/228—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen one form of calcium sulfate being formed and then converted to another form
    • C01B25/229—Hemihydrate-dihydrate process
    • C01B25/2295—Hemihydrate-dihydrate process the conversion being performed in one or more vessels different from those used for reaction after separation of phosphoric acid
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE8787302121T 1986-12-08 1987-03-12 Verfahren zur herstellung hochkonzentrierter phosphorsaeure. Expired - Fee Related DE3780145T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61290583A JPS63144107A (ja) 1986-12-08 1986-12-08 高濃度燐酸−半水石こうスラリ−の濾過方法

Publications (2)

Publication Number Publication Date
DE3780145D1 true DE3780145D1 (de) 1992-08-06
DE3780145T2 DE3780145T2 (de) 1992-12-24

Family

ID=17757896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302121T Expired - Fee Related DE3780145T2 (de) 1986-12-08 1987-03-12 Verfahren zur herstellung hochkonzentrierter phosphorsaeure.

Country Status (7)

Country Link
US (1) US4797265A (de)
EP (1) EP0274177B1 (de)
JP (1) JPS63144107A (de)
KR (1) KR910001821B1 (de)
CN (1) CN1011219B (de)
DE (1) DE3780145T2 (de)
IN (1) IN164853B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1043521C (zh) * 1993-04-03 1999-06-02 刘传书 塔式湿法浓磷酸生产方法及设备
CN1088426C (zh) 1995-06-05 2002-07-31 艾弗里·丹尼森公司 耐热压敏胶结构体
DE102006028408A1 (de) 2006-04-10 2007-10-31 Franz Haimer Maschinenbau Kg Auszugssicherung von Werkzeugen aus Werkzeughaltern mit einer Werkzeugaufnahme
JP2008247733A (ja) * 2007-03-14 2008-10-16 Niro Process Technology Bv リン酸リッチストリームの精製
DE202011109498U1 (de) 2011-12-27 2012-02-13 Franz Haimer Maschinenbau Kg Werkzeughalter und Spannsystem mit einem derartigen Werkzeughalter
CN102001636B (zh) * 2010-09-26 2012-07-25 四川大学 利用中低品位磷矿湿法生产宽浓度磷酸和洁净石膏的方法
US9187327B2 (en) * 2011-01-04 2015-11-17 Nalco Company Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid
AU2012290064B2 (en) 2011-08-04 2017-08-17 Mos Holdings Inc. Compacted muriate of potash fertilizers containing micronutrients and methods of making same
CN102674279B (zh) * 2012-06-08 2014-05-07 贵州川恒化工有限责任公司 半水工艺生产磷酸的方法
CN102992290A (zh) * 2012-12-18 2013-03-27 瓮福（集团）有限责任公司 一种降低磷酸含固量的生产装置及操作方法
CN105008273A (zh) * 2013-03-08 2015-10-28 美盛有限公司 通过两阶段结晶工艺进行的磷酸生产
CN105253867B (zh) 2015-09-18 2017-10-17 金正大生态工程集团股份有限公司 一种湿法磷酸副产α半水石膏的生产方法
CN105217590B (zh) * 2015-09-18 2017-05-10 金正大诺泰尔化学有限公司 一种生产湿法磷酸副产α半水石膏和高纯度高白度α半水石膏的方法
JOP20190228A1 (ar) 2017-03-31 2019-09-30 Mosaic Co أسمدة تحتوي على مصادر سريعة و بطيئة لاطلاق البورون
FR3073218B1 (fr) 2017-11-09 2022-04-01 Coatex Sas Preparation d'acide phosphorique
CN110697669B (zh) * 2019-11-07 2023-07-11 中化重庆涪陵化工有限公司 提高湿法磷酸浓度并联产半水石膏的方法
DE102020100241A1 (de) * 2020-01-08 2021-07-08 Thyssenkrupp Ag Verfahren zur Herstellung von Phosphorsäure und Klinkerprozess-geeigneter Kalziumsulfatqualität zur kommerziellen und industriellen Verwertung von Kalziumsulfat
CN111646443B (zh) * 2020-07-23 2023-05-30 湖北祥云(集团)化工股份有限公司 一种湿法磷酸的脱硫方法及系统
CN111977625A (zh) * 2020-09-22 2020-11-24 瓮福（集团）有限责任公司 一种二级二水法湿法磷酸生产工艺
CN115504440B (zh) * 2022-10-29 2024-05-14 山东联盟磷复肥有限公司 一种双循环湿法磷酸生产方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885264A (en) * 1955-06-10 1959-05-05 Chemical Construction Corp Hemihydrate process for phosphoric acid manufacture
US3326635A (en) * 1963-03-25 1967-06-20 Tennessee Valley Authority Phosphoric acid manufacture
GB1135951A (en) * 1965-02-12 1968-12-11 Fisons Ltd Phosphoric acid
US3523754A (en) * 1966-04-02 1970-08-11 Central Glass Co Ltd Process for preparing phosphoric acil
US3453076A (en) * 1966-05-09 1969-07-01 Lummus Co Phosphoric acid process
US3552918A (en) * 1966-11-08 1971-01-05 Dorr Oliver Inc Process for the production of phosphoric acid
US3653826A (en) * 1967-09-21 1972-04-04 Nissan Chemical Ind Ltd Process for the production of phosphoric acid at a high concentration and a gypsum by-product of improved quality
US3632307A (en) * 1969-04-09 1972-01-04 Albatros Super Fosfaatfabrieke Process for the preparation of phosphoric acid and gypsum from phosphate rock
GB1370534A (en) * 1972-01-28 1974-10-16 Zotov B G Method for the production of phosphoric acid
FR2171861A1 (en) * 1972-02-11 1973-09-28 Cerphos Phosphoric acid prodn - with wet screening of digester product
GB1451608A (en) * 1972-11-08 1976-10-06 Fisons Ltd Process for reducing calcium sulphate scale formation
DE140028C (de) * 1976-07-07 Occidental Petroleum Corp
FR2409230A1 (fr) * 1977-11-16 1979-06-15 Rhone Poulenc Ind Procede de fabrication d'acide phosphorique
JPS59116110A (ja) * 1982-12-21 1984-07-04 Nippon Kokan Kk <Nkk> 高濃度燐酸の製造方法
LU84713A1 (fr) * 1983-03-25 1984-11-14 Prayon Soc Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha

Also Published As

Publication number Publication date
US4797265A (en) 1989-01-10
IN164853B (de) 1989-06-17
EP0274177B1 (de) 1992-07-01
JPH044968B2 (de) 1992-01-30
EP0274177A2 (de) 1988-07-13
KR910001821B1 (ko) 1991-03-26
JPS63144107A (ja) 1988-06-16
DE3780145T2 (de) 1992-12-24
CN87102928A (zh) 1988-06-22
KR880007358A (ko) 1988-08-27
CN1011219B (zh) 1991-01-16
EP0274177A3 (en) 1989-07-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee