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DD136342A5 - Reaktor fuer harnstoff-ammoniak-syntheseverfahren ! - Google Patents

Reaktor fuer harnstoff-ammoniak-syntheseverfahren !

Info

Publication number
DD136342A5
DD136342A5 DD78204805A DD20480578A DD136342A5 DD 136342 A5 DD136342 A5 DD 136342A5 DD 78204805 A DD78204805 A DD 78204805A DD 20480578 A DD20480578 A DD 20480578A DD 136342 A5 DD136342 A5 DD 136342A5
Authority
DD
German Democratic Republic
Prior art keywords
urea
reactor
synthesis process
ammonia synthesis
ammonia
Prior art date
Application number
DD78204805A
Other languages
German (de)
English (en)
Inventor
Francesco Saviano
Vincenzo Lagana
Stanislao Ferrantino
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
Application filed by Snam Progetti filed Critical Snam Progetti
Publication of DD136342A5 publication Critical patent/DD136342A5/xx

Links

Classifications

    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0005—Catalytic processes under superatmospheric pressure
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00026—Controlling or regulating the heat exchange system
    • B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/00044—Temperature measurement
    • B01J2208/00061—Temperature measurement of the reactants
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00194—Tubes
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00477—Controlling the temperature by thermal insulation means
    • B01J2208/00495—Controlling the temperature by thermal insulation means using insulating materials or refractories
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00716—Means for reactor start-up

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Industrial Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DD78204805A 1977-04-15 1978-04-14 Reaktor fuer harnstoff-ammoniak-syntheseverfahren ! DD136342A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22499/77A IT1075397B (it) 1977-04-15 1977-04-15 Reattore per metanazione

Publications (1)

Publication Number Publication Date
DD136342A5 true DD136342A5 (de) 1979-07-04

Family

ID=11197086

Family Applications (1)

Application Number Title Priority Date Filing Date
DD78204805A DD136342A5 (de) 1977-04-15 1978-04-14 Reaktor fuer harnstoff-ammoniak-syntheseverfahren !

Country Status (25)

Country Link
US (2) US4252771A (fr)
JP (2) JPS53130606A (fr)
AT (1) AT361508B (fr)
BE (1) BE866007A (fr)
BG (1) BG33152A3 (fr)
BR (1) BR7802393A (fr)
CS (1) CS219339B2 (fr)
DD (1) DD136342A5 (fr)
DE (1) DE2816062C3 (fr)
DK (1) DK160778A (fr)
ES (1) ES469695A1 (fr)
FR (1) FR2387077A1 (fr)
GB (1) GB1602801A (fr)
HU (1) HU182918B (fr)
IE (1) IE46867B1 (fr)
IN (1) IN148154B (fr)
IT (1) IT1075397B (fr)
LU (1) LU79436A1 (fr)
MX (1) MX147851A (fr)
NL (1) NL7804023A (fr)
NO (1) NO149629C (fr)
PL (1) PL108933B1 (fr)
SE (1) SE7804267L (fr)
SU (1) SU1056878A3 (fr)
YU (1) YU39285B (fr)

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IT1075397B (it) * 1977-04-15 1985-04-22 Snam Progetti Reattore per metanazione
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Also Published As

Publication number Publication date
ATA263178A (de) 1980-08-15
US4252771A (en) 1981-02-24
CS219339B2 (en) 1983-03-25
HU182918B (en) 1984-03-28
NO149629C (no) 1987-10-28
BG33152A3 (en) 1982-12-15
AT361508B (de) 1981-03-10
JPS6124371B2 (fr) 1986-06-10
SE7804267L (sv) 1978-10-16
DE2816062C3 (de) 1980-03-13
JPS53130606A (en) 1978-11-14
DK160778A (da) 1978-10-16
IE780732L (en) 1978-10-15
IT1075397B (it) 1985-04-22
FR2387077B1 (fr) 1982-04-09
IE46867B1 (en) 1983-10-19
JPS60260526A (ja) 1985-12-23
US4323252A (en) 1982-04-06
IN148154B (fr) 1980-11-08
FR2387077A1 (fr) 1978-11-10
MX147851A (es) 1983-01-24
YU39285B (en) 1984-10-31
PL206020A1 (pl) 1979-01-02
NL7804023A (nl) 1978-10-17
GB1602801A (en) 1981-11-18
NO781277L (no) 1978-10-17
LU79436A1 (fr) 1978-07-12
YU84478A (en) 1982-08-31
BE866007A (fr) 1978-10-16
ES469695A1 (es) 1979-01-16
DE2816062B2 (de) 1979-07-12
NO149629B (no) 1984-02-13
SU1056878A3 (ru) 1983-11-23
DE2816062A1 (de) 1978-10-19
PL108933B1 (en) 1980-05-31
BR7802393A (pt) 1979-11-27

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