SU357716A1 - - Google Patents
Info
- Publication number
- SU357716A1 SU357716A1 SU1255084A SU1255084A SU357716A1 SU 357716 A1 SU357716 A1 SU 357716A1 SU 1255084 A SU1255084 A SU 1255084A SU 1255084 A SU1255084 A SU 1255084A SU 357716 A1 SU357716 A1 SU 357716A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acid
- phosphate
- reactor
- solution
- sodium
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 26
- 239000002253 acid Substances 0.000 claims description 23
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 2
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 claims 2
- 239000003513 alkali Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 51
- 239000000243 solution Substances 0.000 description 21
- 229910000162 sodium phosphate Inorganic materials 0.000 description 16
- 230000002378 acidificating effect Effects 0.000 description 15
- 239000001488 sodium phosphate Substances 0.000 description 15
- 235000011008 sodium phosphates Nutrition 0.000 description 15
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 12
- 229910001868 water Inorganic materials 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 229910019142 PO4 Inorganic materials 0.000 description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 10
- 239000010452 phosphate Substances 0.000 description 10
- OYUNTGBISCIYPW-UHFFFAOYSA-N 2-chloroprop-2-enenitrile Chemical compound ClC(=C)C#N OYUNTGBISCIYPW-UHFFFAOYSA-N 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 239000002518 antifoaming agent Substances 0.000 description 5
- 230000000737 periodic effect Effects 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010924 continuous production Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- QMHNFKJHFYCNRW-UHFFFAOYSA-N 2,2-dibromobutanoic acid Chemical compound CCC(Br)(Br)C(O)=O QMHNFKJHFYCNRW-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 2
- -1 sodium phosphate acid Chemical class 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- YKIKDQYYTAOTPL-IHWYPQMZSA-N (z)-2-bromobut-2-enoic acid Chemical compound C\C=C(/Br)C(O)=O YKIKDQYYTAOTPL-IHWYPQMZSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- PTDQUWYFMZSJJM-UHFFFAOYSA-K [Na+].[Na+].[Na+].[Cl-].OP([O-])([O-])=O Chemical compound [Na+].[Na+].[Na+].[Cl-].OP([O-])([O-])=O PTDQUWYFMZSJJM-UHFFFAOYSA-K 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- UBHZUDXTHNMNLD-UHFFFAOYSA-N dimethylsilane Chemical compound C[SiH2]C UBHZUDXTHNMNLD-UHFFFAOYSA-N 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- BBMHARZCALWXSL-UHFFFAOYSA-M sodium dihydrogenphosphate monohydrate Chemical compound O.[Na+].OP(O)([O-])=O BBMHARZCALWXSL-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU357716A1 true SU357716A1 (enExample) |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4524077A (en) | Liquid 2-hydroxy-4-methylthiobutyric acid and process for the preparation thereof | |
| US5210296A (en) | Recovery of lactate esters and lactic acid from fermentation broth | |
| EP0143100B1 (en) | Process for the preparation of liquid 2-hydroxy-methylthiobutyric acid | |
| SU357716A1 (enExample) | ||
| JPH051776B2 (enExample) | ||
| BR112012027617B1 (pt) | Método para produção de alquileno glicol | |
| PT95097B (pt) | Processo aperfeicoado para a preparacao de amino acidos ciclicos | |
| RU2389720C2 (ru) | Способ выделения метилглициннитрил-n,n-диацетонитрила из водной исходной смеси | |
| RU2260010C2 (ru) | Способ получения n-фосфонометилглицина и промежуточный продукт для его получения | |
| CN102448974A (zh) | 制备膦酰基烷基亚氨基二乙酸的方法 | |
| US3845095A (en) | Process of dehydrohalogenation of alpha,beta-dihalogenated propionic acid compounds | |
| US2085784A (en) | Process of purifying aminated compounds | |
| US4352941A (en) | Process for purification of phenylhydrazine | |
| EP0687658B1 (en) | Process for the recovery of a strong acid from an aqueous solution | |
| US3009954A (en) | Process for the production of sarcosine and related alkylamino-acetic acids | |
| US2373011A (en) | Production of malonic acid | |
| RU2095338C1 (ru) | Способ выделения неопентилгликоля | |
| US3496223A (en) | Process for preparing phosphonic acids | |
| US3117968A (en) | Production of cyanuric acid | |
| US3748355A (en) | Crystallization process for the recovery of alkaline nitrilotriacetates | |
| JPH07330696A (ja) | 酸性アミノ酸の製造方法 | |
| SU482948A3 (ru) | Способ получени 2-хлорэтанфосфоновой кислоты | |
| SU99499A1 (ru) | Способ извлечени ароматических оксиальдегидов из реакционной смеси при нитрозном способе их получени | |
| JPH02500188A (ja) | ２‐アクリルアミド‐２‐メチルプロパンスルホン酸の製造において，廃物流から未反応のアクリロニトリルを回収しかつ精製するための方法 | |
| RU2404159C2 (ru) | Способ получения дигидрата 3-(2,2,2-триметилгидразиний)-пропионата |