NO763331L - - Google Patents
Info
- Publication number
- NO763331L NO763331L NO763331A NO763331A NO763331L NO 763331 L NO763331 L NO 763331L NO 763331 A NO763331 A NO 763331A NO 763331 A NO763331 A NO 763331A NO 763331 L NO763331 L NO 763331L
- Authority
- NO
- Norway
- Prior art keywords
- acid
- triazines
- iron
- aqueous solution
- cyanuric acid
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 43
- 239000002253 acid Substances 0.000 claims description 41
- 150000003918 triazines Chemical class 0.000 claims description 34
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 33
- 229910052742 iron Inorganic materials 0.000 claims description 25
- 238000010411 cooking Methods 0.000 claims description 22
- 229910021529 ammonia Inorganic materials 0.000 claims description 15
- 150000003863 ammonium salts Chemical class 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- QQOWHRYOXYEMTL-UHFFFAOYSA-N triazin-4-amine Chemical class N=C1C=CN=NN1 QQOWHRYOXYEMTL-UHFFFAOYSA-N 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 238000004939 coking Methods 0.000 claims description 2
- 235000011007 phosphoric acid Nutrition 0.000 claims 2
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 150000003016 phosphoric acids Chemical class 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 239000000706 filtrate Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 6
- 235000011130 ammonium sulphate Nutrition 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229920000877 Melamine resin Polymers 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910001868 water Inorganic materials 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- MASBWURJQFFLOO-UHFFFAOYSA-N ammeline Chemical compound NC1=NC(N)=NC(O)=N1 MASBWURJQFFLOO-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- YSKUZVBSHIWEFK-UHFFFAOYSA-N ammelide Chemical compound NC1=NC(O)=NC(O)=N1 YSKUZVBSHIWEFK-UHFFFAOYSA-N 0.000 description 2
- 239000001166 ammonium sulphate Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 150000007973 cyanuric acids Chemical class 0.000 description 2
- 238000006298 dechlorination reaction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004698 iron complex Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/30—Only oxygen atoms
- C07D251/32—Cyanuric acid; Isocyanuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Fertilizers (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/638,988 US3996224A (en) | 1975-12-09 | 1975-12-09 | Manufacture of cyanuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO763331L true NO763331L (it) | 1977-06-10 |
Family
ID=24562284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO763331A NO763331L (it) | 1975-12-09 | 1976-09-29 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3996224A (it) |
| JP (1) | JPS5271487A (it) |
| AU (1) | AU503068B2 (it) |
| BE (1) | BE846683A (it) |
| CA (1) | CA1049012A (it) |
| DE (1) | DE2641820A1 (it) |
| ES (1) | ES451962A1 (it) |
| FR (1) | FR2334677A1 (it) |
| GB (1) | GB1524162A (it) |
| IT (1) | IT1070555B (it) |
| NL (1) | NL7610514A (it) |
| NO (1) | NO763331L (it) |
| NZ (1) | NZ182032A (it) |
| SE (1) | SE7610889L (it) |
| ZA (1) | ZA765880B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996006672A1 (en) * | 1994-08-26 | 1996-03-07 | Us Sulfamate, Inc. | Molten urea dehydrate derived compositions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3835136A (en) * | 1973-05-22 | 1974-09-10 | Olin Corp | Recovery of chlorine and cyanuric acid values from polychloroisocyanuric acid and salts thereof |
-
1975
- 1975-12-09 US US05/638,988 patent/US3996224A/en not_active Expired - Lifetime
-
1976
- 1976-09-08 CA CA76260718A patent/CA1049012A/en not_active Expired
- 1976-09-13 NZ NZ182032A patent/NZ182032A/xx unknown
- 1976-09-15 AU AU17750/76A patent/AU503068B2/en not_active Expired
- 1976-09-17 DE DE19762641820 patent/DE2641820A1/de active Pending
- 1976-09-20 JP JP51111918A patent/JPS5271487A/ja active Pending
- 1976-09-22 NL NL7610514A patent/NL7610514A/xx not_active Application Discontinuation
- 1976-09-23 IT IT27553/76A patent/IT1070555B/it active
- 1976-09-28 BE BE171025A patent/BE846683A/xx unknown
- 1976-09-29 GB GB40362/76A patent/GB1524162A/en not_active Expired
- 1976-09-29 NO NO763331A patent/NO763331L/no unknown
- 1976-09-29 ES ES451962A patent/ES451962A1/es not_active Expired
- 1976-09-30 SE SE7610889A patent/SE7610889L/xx unknown
- 1976-09-30 FR FR7629468A patent/FR2334677A1/fr not_active Withdrawn
- 1976-09-30 ZA ZA765880A patent/ZA765880B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES451962A1 (es) | 1977-10-01 |
| FR2334677A1 (fr) | 1977-07-08 |
| AU1775076A (en) | 1978-03-23 |
| GB1524162A (en) | 1978-09-06 |
| NL7610514A (nl) | 1977-06-13 |
| BE846683A (fr) | 1977-03-28 |
| IT1070555B (it) | 1985-03-29 |
| ZA765880B (en) | 1977-09-28 |
| AU503068B2 (en) | 1979-08-23 |
| DE2641820A1 (de) | 1977-06-16 |
| JPS5271487A (en) | 1977-06-14 |
| CA1049012A (en) | 1979-02-20 |
| NZ182032A (en) | 1978-04-03 |
| US3996224A (en) | 1976-12-07 |
| SE7610889L (sv) | 1977-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2057362C (en) | Process for working up aqueous solutions containing hydrogen sulfide, hydrogen cyanide and ammonia | |
| CA1207751A (en) | Process for treating humus materials | |
| US20040062705A1 (en) | Process for lowering the content of organic matter and nitrogenous products contained in bromide-containing effluents | |
| RU2367656C2 (ru) | Способ производства чистого меламина | |
| RU2400431C2 (ru) | Способ очистки сточных вод меламинных установок | |
| US20160298295A1 (en) | Process for lignin purification and isolation | |
| US10683211B2 (en) | Process for potash recovery from biomethanated spent wash with concomitant environmental remediation of effluent | |
| CN108793200B (zh) | 一种钠钾硫氯四元体系分离硫酸钾的方法 | |
| EP0088456B1 (de) | Verfahren zur kontinuierlichen Entfernung von Kieselsäure aus Zellstoffablaugen | |
| US10773968B2 (en) | Method for producing potassium sulfate from potassium chloride and sulfuric acid | |
| NO763331L (it) | ||
| NO763351L (it) | ||
| CN109970543B (zh) | 阿昔洛韦缩合副产物与溶剂回收利用的方法 | |
| JPH11323752A (ja) | シリカ、セルロースおよびリグニン高含有素材の製造法 | |
| CN115260047B (zh) | 一水肌酸的制备方法 | |
| RU2713178C2 (ru) | Способ получения меламина с разделением и выделением высокочистых CO2 и NH3 | |
| US4865831A (en) | Recovery of zinc and ammonium chloride | |
| US3374222A (en) | Separating levoglucosan and carbohydrate derived acids from aqueous mixtures containing the same by treatment with metal compounds | |
| NO138526B (no) | Fremgangsmaate for rensning av fosforsyre | |
| US2308364A (en) | Separation and recovery of potassium compounds from magnesium bisulphite cooking liquor | |
| US3250773A (en) | Purification of melamine | |
| US465600A (en) | Process of recovering cyanides from coal-gas | |
| US4349515A (en) | Tungsten production from raw materials containing phosphorus impurities | |
| US3794718A (en) | Process for reducing the amount of calcium contained in magnesium-base waste sulfite liquor by the use of an ammonium compound and additional calcium | |
| US1678721A (en) | Process of recovering combined nitrogen from crude calcium cyanamide |