NO133666B - - Google Patents
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- Publication number
- NO133666B NO133666B NO3802/70A NO380270A NO133666B NO 133666 B NO133666 B NO 133666B NO 3802/70 A NO3802/70 A NO 3802/70A NO 380270 A NO380270 A NO 380270A NO 133666 B NO133666 B NO 133666B
- Authority
- NO
- Norway
- Prior art keywords
- urea
- product
- weight
- biuret
- reactor
- Prior art date
Links
- 239000004202 carbamide Substances 0.000 claims description 119
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 118
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 claims description 52
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 32
- 239000000376 reactant Substances 0.000 claims description 31
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 30
- 229910021529 ammonia Inorganic materials 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 23
- 238000000197 pyrolysis Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000005979 thermal decomposition reaction Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 73
- 238000006243 chemical reaction Methods 0.000 description 44
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 238000009835 boiling Methods 0.000 description 17
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 16
- 239000011541 reaction mixture Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 239000002002 slurry Substances 0.000 description 10
- 239000006227 byproduct Substances 0.000 description 9
- 238000010992 reflux Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- WNVQBUHCOYRLPA-UHFFFAOYSA-N triuret Chemical compound NC(=O)NC(=O)NC(N)=O WNVQBUHCOYRLPA-UHFFFAOYSA-N 0.000 description 8
- 238000007792 addition Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 7
- 239000011552 falling film Substances 0.000 description 7
- 239000007858 starting material Substances 0.000 description 7
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010926 purge Methods 0.000 description 6
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- ULUZGMIUTMRARO-UHFFFAOYSA-N (carbamoylamino)urea Chemical compound NC(=O)NNC(N)=O ULUZGMIUTMRARO-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000010924 continuous production Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229950011008 tetrachloroethylene Drugs 0.000 description 3
- BZHMBWZPUJHVEE-UHFFFAOYSA-N 2,4-dimethylpentane Chemical compound CC(C)CC(C)C BZHMBWZPUJHVEE-UHFFFAOYSA-N 0.000 description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical compound CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- DUPUVYJQZSLSJB-UHFFFAOYSA-N 3-ethyl-2-methylpentane Chemical compound CCC(CC)C(C)C DUPUVYJQZSLSJB-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical class CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- CVSVTCORWBXHQV-UHFFFAOYSA-N creatine Chemical compound NC(=[NH2+])N(C)CC([O-])=O CVSVTCORWBXHQV-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- ZUBZATZOEPUUQF-UHFFFAOYSA-N isononane Chemical compound CCCCCCC(C)C ZUBZATZOEPUUQF-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 well over 90% Chemical class 0.000 description 2
- WGECXQBGLLYSFP-UHFFFAOYSA-N (+-)-2,3-dimethyl-pentane Natural products CCC(C)C(C)C WGECXQBGLLYSFP-UHFFFAOYSA-N 0.000 description 1
- ABYGSZMCWVXFCQ-UHFFFAOYSA-N 4-propylheptane Chemical compound CCCC(CCC)CCC ABYGSZMCWVXFCQ-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical class CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical class CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 241000482268 Zea mays subsp. mays Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- YSKUZVBSHIWEFK-UHFFFAOYSA-N ammelide Chemical compound NC1=NC(O)=NC(O)=N1 YSKUZVBSHIWEFK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 235000013844 butane Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical class CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 229940094933 n-dodecane Drugs 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- QRMPKOFEUHIBNM-UHFFFAOYSA-N p-dimethylcyclohexane Natural products CC1CCC(C)CC1 QRMPKOFEUHIBNM-UHFFFAOYSA-N 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 235000013849 propane Nutrition 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
- C07C273/1881—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety from urea
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US86521169A | 1969-10-09 | 1969-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO133666B true NO133666B (enrdf_load_stackoverflow) | 1976-03-01 |
| NO133666C NO133666C (enrdf_load_stackoverflow) | 1976-06-09 |
Family
ID=25344956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO3802/70A NO133666C (enrdf_load_stackoverflow) | 1969-10-09 | 1970-10-08 |
Country Status (12)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4055598A (en) * | 1972-04-07 | 1977-10-25 | The Dow Chemical Company | Process for preparation of urea autocondensation product |
| US3862223A (en) * | 1973-04-02 | 1975-01-21 | Dow Chemical Co | Process for preparing triuret |
| KR100798109B1 (ko) * | 2006-08-11 | 2008-01-28 | 주식회사 제이앤드제이 캐미칼 | 뷰렛 및 시아누르산의 제조 방법 및 그 제조 장치 |
-
0
- BE BE757246D patent/BE757246A/xx unknown
-
1970
- 1970-09-29 ZA ZA706627*A patent/ZA706627B/xx unknown
- 1970-10-07 ES ES384310A patent/ES384310A1/es not_active Expired
- 1970-10-07 DE DE2049295A patent/DE2049295C3/de not_active Expired
- 1970-10-07 FR FR7036146A patent/FR2065103A5/fr not_active Expired
- 1970-10-08 NO NO3802/70A patent/NO133666C/no unknown
- 1970-10-08 PL PL1970143826A patent/PL81098B1/pl unknown
- 1970-10-08 CS CS708401A patent/CS157685B2/cs unknown
- 1970-10-08 CS CS706802A patent/CS157684B2/cs unknown
- 1970-10-08 AT AT909270A patent/AT308135B/de not_active IP Right Cessation
- 1970-10-08 HU HUCE784A patent/HU165499B/hu unknown
- 1970-10-08 NL NL7014757A patent/NL7014757A/xx unknown
- 1970-10-08 GB GB4793270A patent/GB1324276A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| PL81098B1 (enrdf_load_stackoverflow) | 1975-08-30 |
| DE2049295C3 (de) | 1973-10-25 |
| NL7014757A (enrdf_load_stackoverflow) | 1971-04-14 |
| ES384310A1 (es) | 1973-05-01 |
| GB1324276A (en) | 1973-07-25 |
| ZA706627B (en) | 1971-10-27 |
| HU165499B (enrdf_load_stackoverflow) | 1974-09-28 |
| NO133666C (enrdf_load_stackoverflow) | 1976-06-09 |
| BE757246A (fr) | 1971-04-08 |
| DE2049295B2 (de) | 1973-04-05 |
| CS157685B2 (en) | 1974-09-16 |
| FR2065103A5 (enrdf_load_stackoverflow) | 1971-07-23 |
| AT308135B (de) | 1973-06-25 |
| DE2049295A1 (de) | 1971-07-22 |
| CS157684B2 (en) | 1974-09-16 |
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