GB1050961A - - Google Patents

Info

Publication number
GB1050961A
GB1050961A GB1050961DA GB1050961A GB 1050961 A GB1050961 A GB 1050961A GB 1050961D A GB1050961D A GB 1050961DA GB 1050961 A GB1050961 A GB 1050961A
Authority
GB
United Kingdom
Prior art keywords
orthophosphoric acid
entrainer
concentrated
aqueous
acid
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.)
Active
Application number
Other languages
English (en)
Publication of GB1050961A publication Critical patent/GB1050961A/en
Active 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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1050961D Active GB1050961A (ko)

Publications (1)

Publication Number Publication Date
GB1050961A true GB1050961A (ko)

Family

ID=1756096

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1050961D Active GB1050961A (ko)

Country Status (1)

Country Link
GB (1) GB1050961A (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996336A (en) * 1974-07-06 1976-12-07 Hoechst Aktiengesellschaft Purification of phosphoric acid
US4233278A (en) * 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
US6251351B1 (en) * 1997-02-03 2001-06-26 Bk Giulini Chinie Gmbh & Co., Ohg Wet-process technique for refining phosphoric acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996336A (en) * 1974-07-06 1976-12-07 Hoechst Aktiengesellschaft Purification of phosphoric acid
US4233278A (en) * 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
US6251351B1 (en) * 1997-02-03 2001-06-26 Bk Giulini Chinie Gmbh & Co., Ohg Wet-process technique for refining phosphoric acid

Similar Documents

Publication Publication Date Title
Pfeifer et al. Itaconic acid by fermentation with Aspergillus terreus
BR9712325A (pt) Redutores de permanganato e de iodetos de alquila de um fluxo de processo de carbonilação
NO144419B (no) Fremgangsmaate til utvinning av ren maursyre.
GB1050961A (ko)
US3062876A (en) Process for recovery of gossypol from cottonseed gums
US2211160A (en) Process of recovering maleic anhydride
US2491065A (en) Process for producing ascorbic acid from 2-keto-levo-gulonic acid or its derivatives
US3284171A (en) Process for concentrating orthophosphoric acid with a miscible water entrainer and crystallizing
US4827027A (en) Separation/purification of salicyclic acid
CN109265331A (zh) 一种二苯甲酮的制备工艺
US2338834A (en) Recovery of cyanoacetic acid from aqueous inorganic salt solutions thereof
CN1032418C (zh) 氯化铵分解法
US2574256A (en) Method of recovering crystalline cyanoacetic acid
EP1317409B2 (en) Method for the purification of an alpha-hydroxy acid on an industrial scale
GB679203A (en) Improvements in and relating to the production of cellulose acetate threads
US1647676A (en) Iiungs-indttstbie
US2373011A (en) Production of malonic acid
US2156642A (en) Purification of carboxylic acid amides
US2866820A (en) Producing methanol and acetic acid from saponification mixtures of methylacetate
JPS582209B2 (ja) 多価アルコ−ルの製造法
CN106866391A (zh) 利用2,3‑环氧基‑3,7‑二甲基‑6‑辛烯酸脱羧制备甜瓜醛的方法
US4814498A (en) Separation/purification of para-hydroxybenzoic acid
US2202437A (en) Higher aliphatic lactones and the
Baumgarten et al. The Carbonation and Carbethoxylation of Certain Esters Using Sodium Triphenylmethide Reagent1, 2, 3
Johnson et al. Studies in Decarboxylation and Lacto—Enoic Tautomerism. III. 1 The Stobbe Condensation with p, p'-Dimethoxybenzophenone