DK143747C - Fremgangsmaade ved ammoniaksyntese til fjernelse af vand fra recirkulations- og/eller foedegassen - Google Patents

Fremgangsmaade ved ammoniaksyntese til fjernelse af vand fra recirkulations- og/eller foedegassen

Info

Publication number
DK143747C
DK143747C DK578470A DK578470A DK143747C DK 143747 C DK143747 C DK 143747C DK 578470 A DK578470 A DK 578470A DK 578470 A DK578470 A DK 578470A DK 143747 C DK143747 C DK 143747C
Authority
DK
Denmark
Prior art keywords
recirculation
procedures
removal
water
ammonia synthesis
Prior art date
Application number
DK578470A
Other languages
Danish (da)
English (en)
Other versions
DK143747B (da
Inventor
M Guadalupi
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.)
Filing date
Publication date
Priority claimed from IT2905570A external-priority patent/IT953035B/it
Application filed by Snam Progetti filed Critical Snam Progetti
Priority to DK273675A priority Critical patent/DK141579B/da
Publication of DK143747B publication Critical patent/DK143747B/da
Application granted granted Critical
Publication of DK143747C publication Critical patent/DK143747C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0458—Separation of NH3
    • C01C1/0464—Separation of NH3 by absorption in liquids, e.g. water
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/0204—Preparation, separation or purification of hydrogen cyanide from formamide or from ammonium formate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
DK578470A 1969-11-15 1970-11-13 Fremgangsmaade ved ammoniaksyntese til fjernelse af vand fra recirkulations- og/eller foedegassen DK143747C (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK273675A DK141579B (da) 1969-11-15 1975-06-17 Fremgangsmåde ved ammoniaksyntese til absorption af ammoniak.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
IT2446969 1969-11-15
IT2446969 1969-11-15
IT2526670 1970-05-29
IT2526670 1970-05-29
IT2905570A IT953035B (it) 1970-08-27 1970-08-27 Miglioramento al procedimento per il trattamento dei gas nella sin tesi dell ammoniaca
IT2905570 1970-08-27

Publications (2)

Publication Number Publication Date
DK143747B DK143747B (da) 1981-10-05
DK143747C true DK143747C (da) 1982-03-29

Family

ID=27273394

Family Applications (1)

Application Number Title Priority Date Filing Date
DK578470A DK143747C (da) 1969-11-15 1970-11-13 Fremgangsmaade ved ammoniaksyntese til fjernelse af vand fra recirkulations- og/eller foedegassen

Country Status (16)

Country Link
US (1) US4055627A (fr)
BE (1) BE758646A (fr)
CA (1) CA952287A (fr)
CH (1) CH524540A (fr)
DE (1) DE2055997C3 (fr)
DK (1) DK143747C (fr)
ES (1) ES385800A1 (fr)
FR (1) FR2069106A5 (fr)
GB (1) GB1288309A (fr)
IE (1) IE35281B1 (fr)
LU (1) LU62055A1 (fr)
NL (1) NL167135C (fr)
NO (1) NO131928C (fr)
RO (1) RO57570A (fr)
TR (1) TR18064A (fr)
YU (1) YU34015B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH12569A (en) * 1970-09-03 1979-06-20 Snam Progetti Process for producing urea
IT1034674B (it) * 1975-03-28 1979-10-10 Snam Progetti Processo flessibile intergrato per la produzione di ammoniaca edurea
DE2860300D1 (en) * 1977-08-26 1981-02-19 Ici Plc Ammonia synthesis and a plant for carrying out this synthesis
US4172885A (en) * 1978-03-20 1979-10-30 Monsanto Company Process for the recovery of hydrogen from ammonia purge gases
NL8100003A (nl) * 1980-01-08 1981-08-03 Montedison Spa Werkwijze voor het bereiden van ammoniak.
US4906447A (en) * 1988-02-12 1990-03-06 Schwarzenbek Eugene F Synthetic ammonia process
US5114694A (en) * 1990-04-02 1992-05-19 C. F. Braun & Co. Ammonia recovery from purge gas
US8728210B2 (en) * 2011-07-07 2014-05-20 Hsueh Yuan Lee Exhaust gas treatment apparatus and method
CN110282800A (zh) * 2019-06-20 2019-09-27 四川省兴威钒业有限公司 提钒废水氨氮资源化回收技术

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1815243A (en) 1923-05-12 1931-07-21 Atmospheric Nitrogen Corp Process of making ammonia by catalysis
US1664997A (en) * 1925-01-28 1928-04-03 Atmospheric Nitrogen Corp Process of drying gases
NL18487C (fr) * 1925-01-28 1928-02-15
GB241071A (en) * 1925-01-30 1925-10-15 Synthetic Ammonia & Nitrates Improvements in obtaining ammonia from synthesis gases
US1830167A (en) * 1925-03-26 1931-11-03 Chemical Engineering Corp Production of ammonia
US1940860A (en) * 1928-01-13 1933-12-26 Mathieson Alkali Works Inc Synthetic production of ammonia
CH315312A (de) 1953-06-13 1956-08-15 Inventa Ag Verfahren zur Reinigung von wenig Kohlensäure enthaltenden Ammoniakgasen
US3303215A (en) * 1962-03-09 1967-02-07 Toyo Koatsu Ind Inc Synthesis of urea
US3310376A (en) * 1963-09-09 1967-03-21 Chemical Construction Corp Process for combined production of ammonia and urea
NL6506163A (fr) * 1964-05-23 1965-11-24
IT736029A (fr) * 1964-08-07
US3389962A (en) * 1965-10-24 1968-06-25 Moorhead Machinery & Boiler Co Method for conversion of anhydrous ammonia to aqueous ammonia and apparatus therefor
US3388968A (en) * 1965-12-01 1968-06-18 Exxon Research Engineering Co Ammonia synthesis feed and recycle loop
US3349569A (en) * 1966-02-14 1967-10-31 Chemical Construction Corp Anhydrous ammonia scrubbing of ammonia synthesis gas
US3344585A (en) * 1967-05-12 1967-10-03 Eugene G Hollowell Method for recovering ammonia from gaseous mixture

Also Published As

Publication number Publication date
NO131928B (fr) 1975-05-20
NL7016520A (fr) 1971-05-18
YU34015B (en) 1978-10-31
BE758646A (fr) 1971-04-16
DK143747B (da) 1981-10-05
NO131928C (fr) 1975-08-27
IE35281L (en) 1971-05-15
DE2055997C3 (de) 1983-12-15
RO57570A (fr) 1974-12-11
NL167135C (nl) 1984-12-17
LU62055A1 (fr) 1971-05-11
YU274470A (en) 1978-05-15
DE2055997A1 (de) 1971-06-09
TR18064A (tr) 1976-09-19
DE2055997B2 (de) 1978-05-24
NL167135B (nl) 1981-06-16
FR2069106A5 (fr) 1971-09-03
CA952287A (en) 1974-08-06
CH524540A (fr) 1972-06-30
US4055627A (en) 1977-10-25
ES385800A1 (es) 1973-04-01
IE35281B1 (en) 1976-01-07
GB1288309A (fr) 1972-09-06

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Date Code Title Description
PBP Patent lapsed