RO102256B1 - Procedeu de obtinere a perboratului de sodiu din apele reziduale - Google Patents
Procedeu de obtinere a perboratului de sodiu din apele rezidualeInfo
- Publication number
- RO102256B1 RO102256B1 RO135711A RO13571188A RO102256B1 RO 102256 B1 RO102256 B1 RO 102256B1 RO 135711 A RO135711 A RO 135711A RO 13571188 A RO13571188 A RO 13571188A RO 102256 B1 RO102256 B1 RO 102256B1
- Authority
- RO
- Romania
- Prior art keywords
- sodium
- sodium perborate
- crystallization
- sodium sulfate
- naoh
- Prior art date
Links
- 229960001922 sodium perborate Drugs 0.000 title abstract 4
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000003643 water by type Substances 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 5
- 238000002425 crystallisation Methods 0.000 abstract 4
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 4
- 235000011152 sodium sulphate Nutrition 0.000 abstract 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 3
- 230000008025 crystallization Effects 0.000 abstract 3
- 239000004327 boric acid Substances 0.000 abstract 2
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 abstract 2
- -1 BO3 ion Chemical class 0.000 abstract 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 1
- 229910021538 borax Inorganic materials 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000004328 sodium tetraborate Substances 0.000 abstract 1
- 235000010339 sodium tetraborate Nutrition 0.000 abstract 1
Landscapes
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Procedeu de obtinere a perboratului de sodiu din apele mume rezultate la fabricarea acidului boric din minereuri de tip tincal sau rasorita precum si a boraxului rafinat care, în scopul separarii sulfatului de sodiu de ionul BO3 si al valorificarii acestuia, se trateaza cu o solutie de NaOH 50% raportul molar NaOH: H3BO3 este cuprins între 1 si 1,08 de preferinta 1,02 în urma reactiei de neutralizare acidul boric este transformat în metaborat de sodiu si sulfat de sodiu, dupa racirea amestecului obtinut are loc cristalizarea, temperatura de cristalizare a sulfatului de sodiu fiind întotdeauna identica cu cea de cristalizare a perboratului de sodiu si este cuprinsa între -2 si 15 degree C, de preferinta 0 degree C, dupa cristalizarea si separarea sulfatului de sodiu, solutia de metaborat de sodiu rezultata este oxidata cu apa oxigenata 35% perboratul de sodiu format, fiind cristalizat, centrifugat si uscat ca produs finit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO1988135711A RO102256A2 (ro) | 1988-11-02 | 1988-11-02 | Procedeu de obtinere a perboratului de sodiu din apele reziduale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO1988135711A RO102256A2 (ro) | 1988-11-02 | 1988-11-02 | Procedeu de obtinere a perboratului de sodiu din apele reziduale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO102256B1 true RO102256B1 (ro) | 1991-09-30 |
| RO102256A2 RO102256A2 (ro) | 1991-11-25 |
Family
ID=20122735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO1988135711A RO102256A2 (ro) | 1988-11-02 | 1988-11-02 | Procedeu de obtinere a perboratului de sodiu din apele reziduale |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO102256A2 (ro) |
-
1988
- 1988-11-02 RO RO1988135711A patent/RO102256A2/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO102256A2 (ro) | 1991-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5833940A (en) | Production of soluble silicates from biogenetic silica | |
| KR920703449A (ko) | 결정질 이규산 나트륨의 열수제조방법 | |
| JPS6028764B2 (ja) | 改良ゼオライトの製造方法 | |
| EP0024131A1 (en) | A method of obtaining alumina from clay and other alumino-silicates and alumina obtained by this method | |
| EP0301857A2 (en) | Production of soluble silicates from biogenetic silica | |
| US3361524A (en) | Production of pure sodium metabisulfite and sodium sulfite | |
| RO102256B1 (ro) | Procedeu de obtinere a perboratului de sodiu din apele reziduale | |
| US6524543B1 (en) | Production of soluble silicates from biogenic silica | |
| WO2004002885A1 (fr) | Procede de fabrication de percarbonate de sodium | |
| EP0857158A1 (en) | Method for producing calcium borate | |
| US3310368A (en) | Production of zeolites and lithium salts | |
| ATE342269T1 (de) | Herstellung von hochreiner l-ribose aus l- arabinose | |
| US3898319A (en) | Process for preparing zeolite Y | |
| RU2065399C1 (ru) | Способ извлечения бора в виде боратов из улекситового сырья | |
| DE3462253D1 (en) | Process for the desensitization of water insoluble peroxyacids | |
| GB1328357A (en) | Wet process for the manufacture of phosphoric acid and caldium sulphate | |
| US3032392A (en) | Manufacture of calcium borates | |
| US4394368A (en) | High temperature hydrolysis of aluminum sulfate solutions | |
| US3318663A (en) | Manufacture of hydrogen peroxide | |
| US3216791A (en) | Method of purifying zinc hydrosulfite solutions | |
| US1046594A (en) | Treating mother-liquors formed in making alkali perborates. | |
| DE3360912D1 (en) | Process for the preparation of dihydroxyaluminium sodium carbonate | |
| SU1549919A1 (ru) | Способ получени борной кислоты | |
| SU952741A1 (ru) | Способ получени основных хлоридов алюмини | |
| GB980891A (en) | Production of molecular sieve adsorbents from kaolin minerals |