SU146302A1 - Method for producing 5/6 basic aluminum sulphate - Google Patents
Method for producing 5/6 basic aluminum sulphateInfo
- Publication number
- SU146302A1 SU146302A1 SU720790A SU720790A SU146302A1 SU 146302 A1 SU146302 A1 SU 146302A1 SU 720790 A SU720790 A SU 720790A SU 720790 A SU720790 A SU 720790A SU 146302 A1 SU146302 A1 SU 146302A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- basic aluminum
- producing
- aluminum sulphate
- solution
- sulphate
- Prior art date
Links
Description
Известен способ получени 5/6 основного сульфата алюмини путем титровани раствора сульфата алюмини щелочью; при этом нолучают продукт переменного состава, содержащий 5/6 основной суль фат алюмини с низшими оксисульфатами.A method is known for producing 5/6 basic aluminum sulfate by titrating an aluminum sulfate solution with an alkali; at the same time, a product of variable composition containing 5/6 basic aluminum sulfate with lower oxysulfates is obtained.
Предлагаетс способ получени 5/6 основного сульфата алюмини , позвол ющий значительно снизить расход дефицитной щелочи и повысить качество продукта. Это достигаетс тем, что раствор сернокислого алюмини с.мешивают с раствором 5/6 основного хлорида алюмини .A method is proposed for producing 5/6 of basic aluminum sulphate, which makes it possible to significantly reduce the consumption of scarce alkali and improve the quality of the product. This is achieved in that the aluminum sulphate solution is mixed with a solution of 5/6 basic aluminum chloride.
При смещивании этих компонентов образуетс небольшое количество свободной сол ной кислоты (менее мол на моль АЬОз в осадке). Поэтому рН такой системы даже в концентрированных растворах оказываетс равным около 4; алюминий - и сульфат ион в растворе над осадком практически отсутствуют. Дл нейтрализации раствора достаточно добавить около 0,8 г-экв щелочи на моль АЬОз.When these components are displaced, a small amount of free hydrochloric acid is formed (less than a mole per mole of ABOZ in the precipitate). Therefore, the pH of such a system, even in concentrated solutions, is about 4; Aluminum - and sulfate ion in the solution above the precipitate is practically absent. To neutralize the solution, it is sufficient to add about 0.8 g-eq of alkali per mole of ABO3.
Способ может быть применен в процессе очистки воды дл получени реагента, коагулирующего загр знени .The method can be applied in a water purification process to produce a contaminating coagulating agent.
По данным проверки способа во Всесоюзном научно-исследовательском институте водоснабжени , канализации, гидротехнических сооружений и инженерной гидрогеологии (ВОДГЕО), процесс коагул ции взвещенных и коллоидальных загр знений воды при введении в нее сернокислого алюмини совместно с раствором 5/6 основного хлорида алюмини улучшаетс , что позвол ет снизить дозу коагул нта на 10- 15%, счита на АЬОз.According to the verification of the method at the All-Union Scientific Research Institute of Water Supply, Sewerage, Hydraulic Structures and Engineering Hydrogeology (WODGEO), the process of coagulation of blasted and colloidal contaminants of water is improved by introducing aluminum sulphate with 5/6 solution of basic aluminum chloride into it, allows to reduce the coagulant dose by 10–15%, counting on ABOz.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU720790A SU146302A1 (en) | 1961-03-07 | 1961-03-07 | Method for producing 5/6 basic aluminum sulphate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU720790A SU146302A1 (en) | 1961-03-07 | 1961-03-07 | Method for producing 5/6 basic aluminum sulphate |
Publications (1)
Publication Number | Publication Date |
---|---|
SU146302A1 true SU146302A1 (en) | 1961-11-30 |
Family
ID=48301776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU720790A SU146302A1 (en) | 1961-03-07 | 1961-03-07 | Method for producing 5/6 basic aluminum sulphate |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU146302A1 (en) |
-
1961
- 1961-03-07 SU SU720790A patent/SU146302A1/en active
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