DD156596A5 - Verfahren zum ausgleich der explosionsneigung bei harnstoffsynthese-anlagen - Google Patents

Verfahren zum ausgleich der explosionsneigung bei harnstoffsynthese-anlagen Download PDF

Info

Publication number: DD156596A5
Authority: DD; German Democratic Republic
Prior art keywords: gas; ammonia; methane; gases; synthesis
Prior art date: 1979-10-17

Application number

DD80223619A

Other languages

German (de)

English (en)

Inventor

Vincenzo Lagana

Francesco Saviano

Virgino Cavallanti

Original Assignee

Snam Progetti

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1979-10-17

Filing date

1980-08-29

Publication date

1982-09-08

1980-08-29 Application filed by Snam Progetti filed Critical Snam Progetti

1982-09-08 Publication of DD156596A5 publication Critical patent/DD156596A5/de

Links

230000015572 biosynthetic process Effects 0.000 title claims abstract description 32
238000003786 synthesis reaction Methods 0.000 title claims abstract description 32
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 22
239000004202 carbamide Substances 0.000 title claims abstract description 22
238000004880 explosion Methods 0.000 title claims abstract description 13
238000000034 method Methods 0.000 title claims abstract description 9
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 65
239000007789 gas Substances 0.000 claims abstract description 56
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 34
229910021529 ammonia Inorganic materials 0.000 claims abstract description 32
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 10
229910052786 argon Inorganic materials 0.000 claims abstract description 6
229910052734 helium Inorganic materials 0.000 claims abstract description 6
229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
229920006395 saturated elastomer Polymers 0.000 claims abstract description 6
239000001307 helium Substances 0.000 claims abstract description 5
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
239000003345 natural gas Substances 0.000 claims abstract description 3
229910052757 nitrogen Inorganic materials 0.000 claims abstract description 3
238000000629 steam reforming Methods 0.000 claims abstract description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract 4
239000001257 hydrogen Substances 0.000 claims abstract 2
229910052760 oxygen Inorganic materials 0.000 claims description 7
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
239000002912 waste gas Substances 0.000 abstract 1
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 11
239000000203 mixture Substances 0.000 description 10
101000588924 Anthopleura elegantissima Delta-actitoxin-Ael1a Proteins 0.000 description 5
229910002092 carbon dioxide Inorganic materials 0.000 description 5
239000001569 carbon dioxide Substances 0.000 description 5
238000010586 diagram Methods 0.000 description 5
KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 4
239000000047 product Substances 0.000 description 4
239000000243 solution Substances 0.000 description 4
239000002360 explosive Substances 0.000 description 3
239000006096 absorbing agent Substances 0.000 description 2
BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
239000000376 reactant Substances 0.000 description 2
238000002407 reforming Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
239000001099 ammonium carbonate Substances 0.000 description 1
235000012501 ammonium carbonate Nutrition 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
239000000446 fuel Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000002161 passivation Methods 0.000 description 1
238000011084 recovery Methods 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
- C07C273/02—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 urea, its salts, complexes or addition compounds
- C07C273/10—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 urea, its salts, complexes or addition compounds combined with the synthesis of ammonia
- 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
- C07C273/02—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 urea, its salts, complexes or addition compounds
- C07C273/04—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 urea, its salts, complexes or addition compounds from carbon dioxide and ammonia

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Treating Waste Gases (AREA)
Measuring Volume Flow (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)
Gas Separation By Absorption (AREA)

DD80223619A 1979-10-17 1980-08-29 Verfahren zum ausgleich der explosionsneigung bei harnstoffsynthese-anlagen DD156596A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT26546/79A IT1193245B (it)	1979-10-17	1979-10-17	Procedimento per eliminare l'esplosivita' dei gas di spurgo da impianti per la produzione di urea

Publications (1)

Publication Number	Publication Date
DD156596A5 true DD156596A5 (de)	1982-09-08

Family

ID=11219741

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD80223619A DD156596A5 (de)	1979-10-17	1980-08-29	Verfahren zum ausgleich der explosionsneigung bei harnstoffsynthese-anlagen

Country Status (34)

Country	Link
JP (1)	JPS5663951A (da)
AR (1)	AR221169A1 (da)
AT (1)	AT373233B (da)
AU (1)	AU531020B2 (da)
BE (1)	BE884987A (da)
BR (1)	BR8005542A (da)
CA (1)	CA1132798A (da)
CH (1)	CH645614A5 (da)
CS (1)	CS222660B2 (da)
DD (1)	DD156596A5 (da)
DE (1)	DE3032175C2 (da)
DK (1)	DK367280A (da)
EG (1)	EG14581A (da)
ES (1)	ES8203833A1 (da)
FR (1)	FR2467844A1 (da)
GB (1)	GB2060614B (da)
GR (1)	GR69799B (da)
IL (1)	IL60869A (da)
IN (1)	IN155187B (da)
IT (1)	IT1193245B (da)
LU (1)	LU82721A1 (da)
MW (1)	MW3280A1 (da)
MY (1)	MY8500105A (da)
NL (1)	NL8004942A (da)
NO (1)	NO150720C (da)
PH (1)	PH16344A (da)
PL (1)	PL125631B1 (da)
PT (1)	PT71749B (da)
RO (1)	RO80862A (da)
SE (1)	SE439009B (da)
TR (1)	TR21459A (da)
ZA (1)	ZA804883B (da)
ZM (1)	ZM6980A1 (da)
ZW (1)	ZW19180A1 (da)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1457776A (fr) *	1964-10-16	1966-01-24	Allied Chem	Procédé pour réduire la corrosion dans un épurateur de gaz au cours de la séparation de l'anhydride carbonique et de l'ammoniac de leurs mélanges avec la vapeur d'eau
NL165712C (nl) *	1970-05-30	1981-05-15	Stamicarbon	Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese.
JPS54151917A (en) *	1978-05-20	1979-11-29	Mitsui Toatsu Chem Inc	Elimination of explosiveness of tail gas of urea preparation process

1979
- 1979-10-17 IT IT26546/79A patent/IT1193245B/it active
1980
- 1980-08-07 AU AU61159/80A patent/AU531020B2/en not_active Ceased
- 1980-08-11 ZA ZA00804883A patent/ZA804883B/xx unknown
- 1980-08-11 CA CA357,996A patent/CA1132798A/en not_active Expired
- 1980-08-12 AT AT0413380A patent/AT373233B/de not_active IP Right Cessation
- 1980-08-12 GR GR62650A patent/GR69799B/el unknown
- 1980-08-13 GB GB8026434A patent/GB2060614B/en not_active Expired
- 1980-08-15 ZW ZW191/80A patent/ZW19180A1/xx unknown
- 1980-08-15 CH CH618280A patent/CH645614A5/it not_active IP Right Cessation
- 1980-08-16 IN IN934/CAL/80A patent/IN155187B/en unknown
- 1980-08-19 IL IL60869A patent/IL60869A/xx unknown
- 1980-08-19 LU LU82721A patent/LU82721A1/fr unknown
- 1980-08-19 MW MW32/80A patent/MW3280A1/xx unknown
- 1980-08-20 EG EG80511A patent/EG14581A/xx active
- 1980-08-20 FR FR8018243A patent/FR2467844A1/fr not_active Withdrawn
- 1980-08-21 RO RO80102019A patent/RO80862A/ro unknown
- 1980-08-21 NO NO802480A patent/NO150720C/no unknown
- 1980-08-22 PH PH24478A patent/PH16344A/en unknown
- 1980-08-25 JP JP11604680A patent/JPS5663951A/ja active Pending
- 1980-08-26 TR TR21459A patent/TR21459A/xx unknown
- 1980-08-26 DE DE3032175A patent/DE3032175C2/de not_active Expired
- 1980-08-27 SE SE8006001A patent/SE439009B/sv unknown
- 1980-08-27 PL PL1980226435A patent/PL125631B1/pl unknown
- 1980-08-27 PT PT71749A patent/PT71749B/pt unknown
- 1980-08-27 AR AR282329A patent/AR221169A1/es active
- 1980-08-28 CS CS805887A patent/CS222660B2/cs unknown
- 1980-08-28 BR BR8005542A patent/BR8005542A/pt unknown
- 1980-08-28 DK DK367280A patent/DK367280A/da not_active Application Discontinuation
- 1980-08-28 ZM ZM69/80A patent/ZM6980A1/xx unknown
- 1980-08-29 BE BE0/201914A patent/BE884987A/fr not_active IP Right Cessation
- 1980-08-29 ES ES495042A patent/ES8203833A1/es not_active Expired
- 1980-08-29 DD DD80223619A patent/DD156596A5/de unknown
- 1980-08-29 NL NL8004942A patent/NL8004942A/nl not_active Application Discontinuation
1985
- 1985-12-30 MY MY105/85A patent/MY8500105A/xx unknown

Also Published As

Publication number	Publication date
ZW19180A1 (en)	1980-11-05
TR21459A (tr)	1984-07-01
AU6115980A (en)	1981-04-30
ES495042A0 (es)	1982-04-01
CA1132798A (en)	1982-10-05
ATA413380A (de)	1983-05-15
GB2060614B (en)	1983-06-08
GR69799B (da)	1982-07-12
EG14581A (en)	1985-03-31
CS222660B2 (en)	1983-07-29
IT7926546A0 (it)	1979-10-17
CH645614A5 (it)	1984-10-15
NO802480L (no)	1981-04-21
PL125631B1 (en)	1983-06-30
MW3280A1 (en)	1981-12-09
BE884987A (fr)	1981-03-02
NO150720B (no)	1984-08-27
AR221169A1 (es)	1980-12-30
AT373233B (de)	1983-12-27
IL60869A0 (en)	1980-10-26
NO150720C (no)	1984-12-05
DE3032175A1 (de)	1981-04-30
AU531020B2 (en)	1983-08-04
PH16344A (en)	1983-09-05
LU82721A1 (fr)	1981-03-24
ZA804883B (en)	1981-07-29
IL60869A (en)	1984-02-29
BR8005542A (pt)	1981-05-12
ES8203833A1 (es)	1982-04-01
IN155187B (da)	1985-01-12
RO80862A (ro)	1983-02-01
PL226435A1 (da)	1981-04-24
NL8004942A (nl)	1981-04-22
PT71749B (en)	1981-06-25
MY8500105A (en)	1985-12-31
JPS5663951A (en)	1981-05-30
FR2467844A1 (fr)	1981-04-30
DE3032175C2 (de)	1982-04-15
SE8006001L (sv)	1981-04-18
IT1193245B (it)	1988-06-15
PT71749A (en)	1980-09-01
GB2060614A (en)	1981-05-07
SE439009B (sv)	1985-05-28
DK367280A (da)	1981-04-18
ZM6980A1 (en)	1981-12-21

Publication	Publication Date	Title
DE69104552T2 (de)	1995-05-18	Verfahren zur Herstellung von Dimethylcarbonat.
DE69708627T2 (de)	2002-08-08	Verfahren zur kombinierten Erzeugung von Ammoniak und Harnstoff
DD142033A5 (de)	1980-06-04	Herstellung von phosgen
DE1921181C3 (de)	1976-01-08	Verfahren zur Herstellung von Distickstoffmonoxid
DE2756059A1 (de)	1978-06-29	Verfahren zur gleichzeitigen herstellung von harnstoff und ammoniak
DE2220617A1 (de)	1973-11-15	Verfahren zur herstellung von wasserstoff
DE1542387A1 (de)	1970-07-02	Verfahren zur Herstellung von chemischen Verbindungen,insbesondere von Ammoniak,aus gasfoermigen Ausgangsstoffen
EP3541751B1 (de)	2023-01-25	Verfahren zur herstellung von ammoniak und harnstoff in einem gemeinsamen anlagenkomplex
DE2116267C3 (de)	1980-04-24	Verfahren zur Herstellung von Harnstoff
DE1257769B (de)	1968-01-04	Verfahren und Vorrichtung zum Komprimieren des bei der Harnstoffsynthese anfallendenAbgases
DE69411254T2 (de)	1998-11-05	Verfahren zum kontinuierlichen Herstellen von Dimethylcarbonat
DE2929998A1 (de)	1980-02-07	Verfahren zur behandlung von harnstoffloesungen
DE69406395T2 (de)	1998-04-23	Verfahren zum kontinuierlichen Herstellen von Dimethylcarbonat
DE102006024549A1 (de)	2007-11-29	Verfahren zur Herstellung von organischen Isocyanaten
DE3032175C2 (de)	1982-04-15	Verfahren zur Verringerung der Explosionsgefahr von Abgasen der Harnstoffsynthese
DE2660144B1 (de)	1980-08-07	Verfahren zur Verhinderung der Abscheidung von Diazoniumnitrat im Abgasleitungssystem von Diazotierungsverfahren
DE1240834B (de)	1967-05-24	Verfahren zur Herstellung von Stickstofftetroxyd
DE2649719C2 (de)	1985-01-10	Kontinuierliches Verfahren zur selektiven Schwefelwasserstoffentfernung
DE1493058A1 (de)	1969-01-23	Verfahren zur Herstellung von Methylformiat
DE2053487B2 (de)	1974-11-14	Verfahren zur Herstellung von Harnstoff aus den gasförmigen Zersetzungsprodukten der Melamin-Hochdrucksynthese
DE1468628A1 (de)	1969-02-13	Verfahren zur Herstellung von Harnstoff aus Kohlendioxyd und Ammoniak
DE69308926T2 (de)	1997-08-21	Kontinuierliche Herstellung von Oxamid durch die katalytische Oxydation von HCN
DE880588C (de)	1953-06-22	Verfahren zur Herstellung von Ameisensaeurealkylestern
DE1907025B2 (de)	1973-07-26	Verfahren zur herstellung von harnstoff in verbindung mit einem verfahren zur herstellung von ammoniak
DE1091092B (de)	1960-10-20	Verfahren zum katalytischen Deuteriumaustausch zwischen Wasserstoff enthaltenden Gasen und Ammoniak