BR8300111A - Processo para a producao de acido fosforico;processo para enriquecer minerio de fosfato - Google Patents

Processo para a producao de acido fosforico;processo para enriquecer minerio de fosfato

Info

Publication number
BR8300111A
BR8300111A BR8300111A BR8300111A BR8300111A BR 8300111 A BR8300111 A BR 8300111A BR 8300111 A BR8300111 A BR 8300111A BR 8300111 A BR8300111 A BR 8300111A BR 8300111 A BR8300111 A BR 8300111A
Authority
BR
Brazil
Prior art keywords
production
phosphoric acid
phosphate mining
enriching
enriching phosphate
Prior art date
Application number
BR8300111A
Other languages
English (en)
Inventor
Erhart K Drechsel
Dysart E Holcomb
John B Sardisco
Original Assignee
Pennzoil Co
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 Pennzoil Co filed Critical Pennzoil Co
Publication of BR8300111A publication Critical patent/BR8300111A/pt

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
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/322—Preparation by neutralisation of orthophosphoric acid
    • 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
    • C01B25/223—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 only one form of calcium sulfate being formed
    • C01B25/225—Dihydrate process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BR8300111A 1982-01-12 1983-01-11 Processo para a producao de acido fosforico;processo para enriquecer minerio de fosfato BR8300111A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/338,999 US4393032A (en) 1982-01-12 1982-01-12 Production of phosphoric acid and additional products from phosphate ore

Publications (1)

Publication Number Publication Date
BR8300111A true BR8300111A (pt) 1983-10-04

Family

ID=23327026

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8300111A BR8300111A (pt) 1982-01-12 1983-01-11 Processo para a producao de acido fosforico;processo para enriquecer minerio de fosfato

Country Status (7)

Country Link
US (1) US4393032A (pt)
AU (1) AU558712B2 (pt)
BR (1) BR8300111A (pt)
CA (1) CA1186132A (pt)
IL (1) IL67642A (pt)
MA (1) MA19682A1 (pt)
MX (1) MX159703A (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479923A (en) * 1982-01-12 1984-10-30 Pennzoil Company Production of phosphoric acid and additional products from phosphate ore
US5158594A (en) * 1982-10-25 1992-10-27 Oxford Ronald E Granulated nitrogen-phosphorus-potassium-sulfur fertilizer from waste gypsum slurry
US4828811A (en) * 1987-07-28 1989-05-09 Potash Corporation Of Saskatchewan Method for producing phosphoric acid from phosphate ore
MX173389B (es) * 1990-11-28 1994-02-25 Fosfatos Ind S A De C V Proceso para la fabricacion directa de ortofosfatos a partir de fosfatos de calcio impuros
BE1013634A3 (fr) * 2000-08-03 2002-05-07 Ecophos Procede de production d'acide phosphorique.
US11407640B2 (en) * 2017-08-11 2022-08-09 Prayon Technologies Method for etching a phosphate source using acid
US10759662B2 (en) 2018-03-12 2020-09-01 Solenis Technologies, L.P. Systems and methods for reducing formation of scale in phosphoric acid production
CN114602645B (zh) * 2022-03-28 2024-01-26 云南磷化集团有限公司 一种胶磷矿预先筛分擦洗脱泥联合处理方法
CN115304041A (zh) * 2022-09-26 2022-11-08 瓮福（集团）有限责任公司 一种二水湿法磷酸生产降低磷石膏不溶性磷的工艺

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899292A (en) * 1959-08-11 Saw phosphate rock
US2567227A (en) * 1948-01-28 1951-09-11 Chemical Foundation Inc Production of calcium phosphate
US2728635A (en) * 1951-07-16 1955-12-27 Chemical Foundation Inc Production of feed grade dicalcium phosphate
US4140748A (en) * 1976-07-07 1979-02-20 Occidental Petroleum Corporation Hemihydrate type phosphoric acid process with crystal modifier
US2914380A (en) * 1956-04-04 1959-11-24 Horizons Inc Production of ca(h2po4)2
US2954275A (en) * 1958-01-15 1960-09-27 John N Carothers Process of recovering fluorine from phosphate rock
US3150957A (en) * 1961-06-07 1964-09-29 Armour & Co Treatment of phosphate rock
US3494735A (en) * 1964-07-31 1970-02-10 Multi Minerals Ltd Phosphoric acid
GB1081895A (en) * 1965-11-09 1967-09-06 Occidental Res & Eng Improvements relating to the production of phosphoric acids
US3401014A (en) * 1965-11-26 1968-09-10 Olin Mathieson Preparation of pure monocalcium phosphate
US3645676A (en) * 1969-03-04 1972-02-29 Multi Minerals Ltd Production of monocalcium orthophosphate
US3919395A (en) * 1970-11-18 1975-11-11 United States Gypsum Co Process for extraction of phosphorus compounds
US3743725A (en) * 1971-11-04 1973-07-03 Atlantic Richfield Co Process for the recovery in useful form of fluorine values from phosphate rock while producing phosphoric acid
US4086322A (en) * 1974-10-07 1978-04-25 Pennzoil Company Production of fluoride-free phosphates
US4029743A (en) * 1975-12-24 1977-06-14 Hauge Douglas O Phosphoric acid manufacture
US4026995A (en) * 1976-02-11 1977-05-31 Atlantic Richfield Company Process for defluorination of commercial phosphoric acid
US4284614A (en) * 1976-04-13 1981-08-18 Occidental Petroleum Corp. Process for production of high purity phosphoric acid from high alumina phosphate pebble rock
DE140028C (pt) * 1976-07-07 Occidental Petroleum Corp
US4258008A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation System for phosphoric acid production with decreased foaming
US4277448A (en) * 1977-12-29 1981-07-07 Occidental Petroleum Corporation Phosphoric acid process with high circulation rates
US4258007A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation Feed system for phosphoric acid production with decreased foaming
US4276270A (en) * 1978-01-06 1981-06-30 Occidental Research Corporation Start-up procedure in producing phosphoric acid by the hemihydrate process
US4260584A (en) * 1978-05-26 1981-04-07 Occidental Petroleum Corporation Apparatus useful for wet process phosphoric acid production
US4309395A (en) * 1980-04-21 1982-01-05 Hauge Douglas O Phosphoric acid production

Also Published As

Publication number Publication date
AU558712B2 (en) 1987-02-05
AU1007983A (en) 1983-07-21
US4393032A (en) 1983-07-12
IL67642A0 (en) 1983-05-15
MX159703A (es) 1989-08-08
MA19682A1 (fr) 1983-10-01
CA1186132A (en) 1985-04-30
IL67642A (en) 1986-08-31

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)