SU92149A1 - Method for producing ammonium phosphate from phosphoric acid - Google Patents
Method for producing ammonium phosphate from phosphoric acidInfo
- Publication number
- SU92149A1 SU92149A1 SU414879A SU414879A SU92149A1 SU 92149 A1 SU92149 A1 SU 92149A1 SU 414879 A SU414879 A SU 414879A SU 414879 A SU414879 A SU 414879A SU 92149 A1 SU92149 A1 SU 92149A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- phosphoric acid
- ammonium phosphate
- producing ammonium
- ammonia
- solution
- Prior art date
Links
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
и. л. Гофманand. l Hoffman
СПОСОБ ПОЛУЧЕНИЯ ФОСФАТОВ АММОНИЯ ИЗ ФОСФОРНОЙ КИСЛОТЫMethod of production of ammonium phosphate from phosphoric acid
За влено 24 марта 1950 г. а Х 414879It was filed on March 24, 1950 a x 414879
Предметом ртзобретени вл етс способ получени фосфатов аммони из фосфорной кислоты, содержащей до 25% , путем нептра . изйции ее аммиаком с предварительным выделением фосфатов же .:ез., алюмини и других иримесей и последующим выпариванием раствора фосфатов аммони .The subject of the invention is a process for the preparation of ammonium phosphates from phosphoric acid containing up to 25% by neptra. removing it with ammonia with pre-release of the same phosphate: es, aluminum and other irimeses and subsequent evaporation of the ammonium phosphate solution.
Суидестве ны.м иедостатхоА; известных методов получени фосфатов аммони из фосфорной кислоты вл етс чрезвыча;1иа дисперсность выпадающих з осадок фосфатов железа, алюмини и др. ир)месей , вследствие чего отделение их от фосфорно-а.мм 1ачных растворов пре.хстазл ет очень больщие трудности.Swedes is now Jodestat; The known methods for the preparation of ammonium phosphates from phosphoric acid is extremely important; the dispersion of precipitates of phosphates of iron, aluminum, and other minerals, as a result of which they are separated from the phosphorus a.m. 1 solution, is very difficult.
Отличительна осо6е:-:ноеть предлагаемого способа состоит в том, 470 исходную фосфорную кислоту, содержащую избыток серкой кис-ioTbi , обрабатывают содоп дл выделени кремнефторида, затем раствср нрг; температуре около ЮО нейтрализуют аммиаком до образовани мон(а:,;л:оии;1фосфауа, содержащего в виде примеси не более Д 1ам; ;оиинфосфага, дл осаждеи; из раствора соединений железа алю.мини , которые отдел ют фильтрованием, а оч:;щенны;1 раствор выпаривают и гсристаллизуют его в таком виде или с предварительной полной нейтрализацией аммиаком.A distinctive feature of o6e: -: but the inventive method of the proposed method consists in 470 starting phosphoric acid, containing an excess of sulfuric acid kio-ioTbi, treated with sodop to isolate silicon fluoride, then dissolve it; The temperature around the SO is neutralized with ammonia to form mon (a:,; l: oii; 1phosphua containing as an impurity not more than D 1am;; oiophosphag, for precipitating; from the solution of iron compounds, aluminum min. ; puppies; 1 solution is evaporated and crystallizes it in this form or with preliminary complete neutralization with ammonia.
Дл осуществлени способа исходную экстракционную фосфорную кислоту перед обработкой аммиаком подготавливают таким образом , чтобь в iiSii содержалс некоторьи иебо.чыио избыток свободной серией кислот;,; при отсутствии избытка кал;; ;:;;.. Э:ч: достигаетс соответствующей дозировкой серной кислоты в самом процессе, экстракции и.ти путем дополнительно добавки cepHoii кис.юты дл осаждени ионоз кальци . Дл фосфорной кислоты, напрпмер, получеии;;: и;, флотациои.ного апиатитового концентрата, условна кон .снт|) HsSOi, определ ема титрованием, должна соответствовать содесжапию 0.6-1,% ЗОз и О,-0,4v СаО ири солержа :П1 2025 Р.О-,.For carrying out the process, the initial extraction phosphoric acid is prepared before treatment with ammonia in such a way that some iiiii contains some excess of free batch of acids;,; in the absence of an excess of feces ;; ;: ;; .. E: h: is achieved with an appropriate dosage of sulfuric acid in the process itself, extraction of it by additionally adding cepHoii acid to precipitate calcium ionosis. For phosphoric acid, naprmer, get ;;: and ;, flotation of apiatite concentrate, conditional con. | O | : P1 2025 R.O- ,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU414879A SU92149A1 (en) | 1950-03-24 | 1950-03-24 | Method for producing ammonium phosphate from phosphoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU414879A SU92149A1 (en) | 1950-03-24 | 1950-03-24 | Method for producing ammonium phosphate from phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU92149A1 true SU92149A1 (en) | 1950-11-30 |
Family
ID=48367917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU414879A SU92149A1 (en) | 1950-03-24 | 1950-03-24 | Method for producing ammonium phosphate from phosphoric acid |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU92149A1 (en) |
-
1950
- 1950-03-24 SU SU414879A patent/SU92149A1/en active
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