BE548612A - - Google Patents
Info
- Publication number
- BE548612A BE548612A BE548612DA BE548612A BE 548612 A BE548612 A BE 548612A BE 548612D A BE548612D A BE 548612DA BE 548612 A BE548612 A BE 548612A
- Authority
- BE
- Belgium
- Prior art keywords
- solution
- acid
- fact
- sulfuric acid
- cooling
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 56
- 239000002253 acid Substances 0.000 claims description 52
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 150000002148 esters Chemical class 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 10
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000002425 crystallisation Methods 0.000 claims description 10
- 230000008025 crystallization Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 150000007513 acids Chemical class 0.000 claims description 9
- 239000003463 adsorbent Substances 0.000 claims description 9
- 239000001166 ammonium sulphate Substances 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000004939 coking Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000000746 purification Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 33
- 239000000047 product Substances 0.000 description 21
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 15
- 230000007062 hydrolysis Effects 0.000 description 13
- 238000006460 hydrolysis reaction Methods 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000032050 esterification Effects 0.000 description 8
- 238000005886 esterification reaction Methods 0.000 description 8
- 229910021653 sulphate ion Inorganic materials 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000004064 recycling Methods 0.000 description 6
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 150000001253 acrylic acids Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000013067 intermediate product Substances 0.000 description 4
- 125000005395 methacrylic acid group Chemical class 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- -1 acrylic nitrile Chemical class 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000132092 Aster Species 0.000 description 1
- 241000950314 Figura Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000002648 azanetriyl group Chemical group *N(*)* 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000019256 formaldehyde Nutrition 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/905—Removal of organic impurities
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE548612A true BE548612A (enrdf_load_html_response) |
Family
ID=175143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE548612D BE548612A (enrdf_load_html_response) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE548612A (enrdf_load_html_response) |
-
0
- BE BE548612D patent/BE548612A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1077058A (fr) | Procede de recuperation de l'acide acetique a partir de ses solutions aqueuses de faible concentration | |
KR880000891B1 (ko) | 아세토니트릴의 연속 회수 방법 | |
US5236557A (en) | Process for purification of aqueous solutions containing hydrogen sulfide, hydrogen cyanide, and ammonia | |
US4225394A (en) | Reclamation of spent glycol by treatment with alkali metal hydroxide and distillation | |
FR2570367A1 (fr) | Procede pour la production d'hemihydrate de gypse sous forme a | |
EP1408006A1 (fr) | Procédé d'abaissement de la teneur en matières organiques et produits azotés contenus dans des effluents bromurés | |
CA2012935A1 (en) | Purification and preparation processes for methyl methacrylate | |
JP2007063141A (ja) | メチオニンの製造方法 | |
RU2137703C1 (ru) | Способ удаления перхлората аммония из сточных вод (варианты) | |
EP1289948B1 (fr) | Procede de purification de lactames | |
FR2467185A1 (fr) | Procedes de separation et de purification du resorcinol et de l'hydroquinone | |
BE548612A (enrdf_load_html_response) | ||
US2890101A (en) | Recovery of ammonium bisulphate from the distillation residues from the manufacture of acrylic acids and their esters | |
EP0871525B1 (fr) | Procede de purification par extraction d'un milieu liquide | |
US3965243A (en) | Recovery of sodium thiocyanate | |
US20060104892A1 (en) | High yield co-production of anhydrous hydrogen bromide and sodium bisulfate | |
US20070231238A1 (en) | Method and plant for depleting sodium thiocyanate in washing liquors and for obtaining pure sodium thiocyanate | |
JP7704764B2 (ja) | 工業規模の硫酸アンモニウム生産 | |
CH351590A (fr) | Procédé de fabrication de composés acryliques | |
CN218740262U (zh) | 一种磷酸盐提纯系统 | |
JP4651175B2 (ja) | メタクリル酸の精製方法およびメタクリル酸メチルの製造方法 | |
FR2475536A2 (fr) | Procede de preparation de l'acide di-n-propylacetique et de ses sels de metaux alcalins | |
CN113698275A (zh) | 一种从碳酸二甲酯、乙酸甲酯、甲醇体系中回收甲醇的装置与方法 | |
BE831000A (fr) | Procede de purification de l'acide phosphorique | |
BE634117A (enrdf_load_html_response) |