NO913267L - Fremgangsmaate til fremstilling av cyanamid fra urea ellerdets nedbrytningsprodukter paa mikroporoese katalysatorer - Google Patents

Fremgangsmaate til fremstilling av cyanamid fra urea ellerdets nedbrytningsprodukter paa mikroporoese katalysatorer

Info

Publication number
NO913267L
NO913267L NO91913267A NO913267A NO913267L NO 913267 L NO913267 L NO 913267L NO 91913267 A NO91913267 A NO 91913267A NO 913267 A NO913267 A NO 913267A NO 913267 L NO913267 L NO 913267L
Authority
NO
Norway
Prior art keywords
cyanamide
urea
procedure
preparation
decomposition products
Prior art date
Application number
NO91913267A
Other languages
English (en)
Norwegian (no)
Other versions
NO913267D0 (no
Inventor
Jens Weitkamp
Stefan Ernst
Heinrich Roeck
Kurt Scheinost
Benedikt Hammer
Werner Goll
Horst Michaud
Original Assignee
Sueddeutsche Kalkstickstoff
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
Application filed by Sueddeutsche Kalkstickstoff filed Critical Sueddeutsche Kalkstickstoff
Publication of NO913267D0 publication Critical patent/NO913267D0/no
Publication of NO913267L publication Critical patent/NO913267L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/16—Cyanamide; Salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
    • B01J29/12—Noble metals
    • B01J29/126—Y-type faujasite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/82—Phosphates
    • B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
    • B01J29/85—Silicoaluminophosphates [SAPO compounds]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
NO91913267A 1990-08-21 1991-08-20 Fremgangsmaate til fremstilling av cyanamid fra urea ellerdets nedbrytningsprodukter paa mikroporoese katalysatorer NO913267L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4026364A DE4026364A1 (de) 1990-08-21 1990-08-21 Verfahren zur herstellung von cyanamid

Publications (2)

Publication Number Publication Date
NO913267D0 NO913267D0 (no) 1991-08-20
NO913267L true NO913267L (no) 1992-02-24

Family

ID=6412592

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91913267A NO913267L (no) 1990-08-21 1991-08-20 Fremgangsmaate til fremstilling av cyanamid fra urea ellerdets nedbrytningsprodukter paa mikroporoese katalysatorer

Country Status (7)

Country Link
US (1) US5166432A (fr)
EP (1) EP0475129A1 (fr)
JP (1) JPH04270112A (fr)
KR (1) KR920004278A (fr)
CA (1) CA2049414A1 (fr)
DE (1) DE4026364A1 (fr)
NO (1) NO913267L (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1254545B (it) * 1992-03-23 1995-09-25 Formulazione per la protezione alla corrosione di pellicole metalliche di specchi e simili e procedimento di produzione della stessa
DE102007019460A1 (de) * 2007-04-25 2008-11-06 Man Nutzfahrzeuge Ag Abgasnachbehandlungssystem
CN102728400A (zh) * 2011-04-15 2012-10-17 中国石油化工股份有限公司 尿素脱水制备单氰胺的催化剂及其制备方法
CN113527144A (zh) * 2021-08-06 2021-10-22 四川金象赛瑞化工股份有限公司 一种氰胺的生产方法
CN113603557B (zh) * 2021-08-20 2022-10-11 四川金象赛瑞化工股份有限公司 一种双氰胺和硝铵氮肥联产的工艺
CN113511988A (zh) * 2021-08-20 2021-10-19 四川金象赛瑞化工股份有限公司 一种利用尿素制备双氰胺的系统与方法
CN115944942B (zh) * 2022-12-06 2024-04-12 四川金象赛瑞化工股份有限公司 一种氰胺类物质的制备方法
CN117800361A (zh) * 2023-12-18 2024-04-02 华东理工大学 一种尿素脱水制备单氰胺的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275256A (en) * 1980-02-25 1981-06-23 Mobil Oil Corporation Shape selective reactions with group VIIA metal modified zeolite catalysts
US4276438A (en) * 1980-05-27 1981-06-30 Mobil Oil Corporation Shape selective reactions with group IB modified zeolite catalysts
NL8400717A (nl) * 1984-03-06 1985-10-01 Stamicarbon Werkwijze voor het bereiden van cyanamide.
US4898722A (en) * 1984-12-19 1990-02-06 Mobil Oil Corp. Synthesis of crystalline SAPO-37

Also Published As

Publication number Publication date
EP0475129A1 (fr) 1992-03-18
DE4026364A1 (de) 1992-02-27
JPH04270112A (ja) 1992-09-25
KR920004278A (ko) 1992-03-27
US5166432A (en) 1992-11-24
NO913267D0 (no) 1991-08-20
CA2049414A1 (fr) 1992-02-22

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