IT8121139A0 - PROCESS FOR THE SYNTHESIS OF UREA USING SILICON CARBIDE-BASED MATERIALS IN ITS EQUIPMENT. - Google Patents

PROCESS FOR THE SYNTHESIS OF UREA USING SILICON CARBIDE-BASED MATERIALS IN ITS EQUIPMENT.

Info

Publication number: IT8121139A0
Authority: IT; Italy
Prior art keywords: urea; synthesis; equipment; silicon carbide; based materials
Prior art date: 1980-04-15

Application number

IT8121139A

Other languages

Italian (it)

Other versions

IT1137354B (en

Inventor

Morihisa Hidaki

Tateaki Deguchi

Keiichi Matsumoto

Original Assignee

Toyo Engineering Corp Mitsui T

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.)

1980-04-15

Filing date

1981-04-14

Publication date

1981-04-14

1981-04-14 Application filed by Toyo Engineering Corp Mitsui T filed Critical Toyo Engineering Corp Mitsui T

1981-04-14 Publication of IT8121139A0 publication Critical patent/IT8121139A0/en

1986-09-10 Application granted granted Critical

1986-09-10 Publication of IT1137354B publication Critical patent/IT1137354B/en

Links

XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
230000015572 biosynthetic process Effects 0.000 title 1
239000004202 carbamide Substances 0.000 title 1
239000000463 material Substances 0.000 title 1
238000000034 method Methods 0.000 title 1
229910052710 silicon Inorganic materials 0.000 title 1
239000010703 silicon Substances 0.000 title 1
238000003786 synthesis reaction Methods 0.000 title 1

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
- 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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/0204—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
- B01J2219/0218—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components of ceramic

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Mechanical Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Lift Valve (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Physical Or Chemical Processes And Apparatus (AREA)
Details Of Valves (AREA)
Carbon And Carbon Compounds (AREA)

IT21139/81A 1980-04-15 1981-04-14 PROCESS FOR THE SYNTHESIS OF UREA USING IN ITS EQUIPMENT SILICON CARBIDE-BASED MATERIALS IT1137354B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP4864180A JPS56147756A (en)	1980-04-15	1980-04-15	Synthetic method of urea using silicon carbide material in apparatus

Publications (2)

Publication Number	Publication Date
IT8121139A0 true IT8121139A0 (en)	1981-04-14
IT1137354B IT1137354B (en)	1986-09-10

Family

ID=12808989

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21139/81A IT1137354B (en)	1980-04-15	1981-04-14	PROCESS FOR THE SYNTHESIS OF UREA USING IN ITS EQUIPMENT SILICON CARBIDE-BASED MATERIALS

Country Status (9)

Country	Link
JP (1)	JPS56147756A (en)
BR (1)	BR8102284A (en)
CA (1)	CA1250314A (en)
DE (1)	DE3114218A1 (en)
FR (1)	FR2480280A1 (en)
GB (1)	GB2073751B (en)
IN (1)	IN155840B (en)
IT (1)	IT1137354B (en)
NL (1)	NL8101499A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2608234B2 (en) *	1992-02-26	1997-05-07	東洋エンジニアリング株式会社	Pressure reducing valve for urea synthesis plant
US20110033018A1 (en) *	2009-08-10	2011-02-10	Caldera Engineering, Lc	Method for bonding ceramic materials
US9446367B2 (en)	2014-08-15	2016-09-20	Rec Silicon Inc	Joint design for segmented silicon carbide liner in a fluidized bed reactor
US9238211B1 (en)	2014-08-15	2016-01-19	Rec Silicon Inc	Segmented silicon carbide liner
US9662628B2 (en)	2014-08-15	2017-05-30	Rec Silicon Inc	Non-contaminating bonding material for segmented silicon carbide liner in a fluidized bed reactor
WO2023191620A1 (en) *	2022-03-28	2023-10-05	Stamicarbon B.V.	Urea plant with valve; urea production process; use and method

1980
- 1980-04-15 JP JP4864180A patent/JPS56147756A/en active Pending
1981
- 1981-03-25 IN IN323/CAL/81A patent/IN155840B/en unknown
- 1981-03-26 NL NL8101499A patent/NL8101499A/en not_active Application Discontinuation
- 1981-04-01 GB GB8110277A patent/GB2073751B/en not_active Expired
- 1981-04-08 DE DE19813114218 patent/DE3114218A1/en not_active Withdrawn
- 1981-04-14 BR BR8102284A patent/BR8102284A/en unknown
- 1981-04-14 IT IT21139/81A patent/IT1137354B/en active
- 1981-04-14 CA CA000375434A patent/CA1250314A/en not_active Expired
- 1981-04-15 FR FR8107634A patent/FR2480280A1/en active Granted

Also Published As

Publication number	Publication date
FR2480280A1 (en)	1981-10-16
FR2480280B1 (en)	1983-07-01
JPS56147756A (en)	1981-11-16
IT1137354B (en)	1986-09-10
NL8101499A (en)	1981-11-02
GB2073751B (en)	1984-02-01
CA1250314A (en)	1989-02-21
GB2073751A (en)	1981-10-21
BR8102284A (en)	1981-12-01
DE3114218A1 (en)	1982-03-04
IN155840B (en)	1985-03-16

Similar Documents

Publication	Publication Date	Title
IT1128730B (en)	1986-06-04	IMPROVEMENT IN PNEUMATIC TOOLS FOR THE APPLICATION OF FIXING ELEMENTS
BR8008039A (en)	1981-06-23	POLYPHASIC COMPOSITIONS, POLYAMIDES BASE, AND THE PROCESS OF THEIR OBTAINING
IT8319289A0 (en)	1983-01-27	PROCEDURE AND DEVICE FOR THE PRECISION PROFILING OF TOOLS COATED WITH SUPERHARD MATERIALS.
IT8223454A0 (en)	1982-09-27	PROCEDURE FOR FIXING A STUD NUT, AS WELL AS THE STUD NUT AND TOOL USED IN THE IMPLEMENTATION OF SAID PROCEDURE.
IT1141993B (en)	1986-10-08	METHOD FOR THE SEPARATION (STRIPPING) OF MATERIALS NOT REAGITED IN A UREA SYNTHESIS PROCESS
IT8012550A0 (en)	1980-05-27	CUTTING PLATE FOR CHIP REMOVAL MACHINING AND METHOD FOR ITS MANUFACTURE
IT8123890A0 (en)	1981-09-10	PROCESS FOR THE SYNTHESIS OF UREA.
IT8221383A0 (en)	1982-05-20	INTEGRATED PROCESS FOR THE PRODUCTION OF ALKYLTER-BUTYL ETHERS AND BUTENE-1.
IT1170240B (en)	1987-06-03	COMPOSITION BASED ON SYNTHETIC RESIN AND PROCESS FOR ITS PRODUCTION
IT8420635A0 (en)	1984-04-20	PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED THEREIN.
IT7822323A0 (en)	1978-04-14	PROCESS FOR THE SYNTHESIS OF ALKYLENCARBONATES.
IT8423280A0 (en)	1984-10-23	PROCESS FOR THE SYNTHESIS OF 2-METHOXY-6-BROMO-NAPHTHALENE.
IT7827345A0 (en)	1978-09-05	PROCESS FOR THE PREPARATION OF WOOD CHIP MATERIALS.
IT1152722B (en)	1987-01-07	PROCESS FOR THE SYNTHESIS OF UREA
IT8268361A0 (en)	1982-11-23	EQUIPMENT FOR THE PROCESSING OF MATERIALS PARTICULARLY FOR THE CRUSHING OF STONE
IT8121139A0 (en)	1981-04-14	PROCESS FOR THE SYNTHESIS OF UREA USING SILICON CARBIDE-BASED MATERIALS IN ITS EQUIPMENT.
IT1211125B (en)	1989-09-29	NITROGEN COMPOUNDS. PROCESS FOR THE PREPARATION OF
IT8025115A0 (en)	1980-10-03	PROCESS FOR THE SYNTHESIS OF UREA.
ES2019898B3 (en)	1991-07-16	MONKEY SYNTHESIS PROCESS.
IT9041703A0 (en)	1990-10-03	DEVICE FOR THE PROCESSING OF MATERIALS WITH REMOVAL OF CHIPS
IT8025373A0 (en)	1980-10-16	PROCESS FOR THE SYNTHESIS OF 1-AMINO-3-P(B-METHOXY-ETHYL)-PHENOXY-2-PROPANOL
IT7827069A0 (en)	1978-08-25	PROCESS FOR THE SYNTHESIS OF AMMONIA.
IT1222879B (en)	1990-09-12	PROCESS FOR THE CONSOLIDATION OF LOW-BASED MATERIALS
IT1154028B (en)	1987-01-21	DEVICE FOR ALIGNING OF CHIPS IN THE MANUFACTURE OF CHIPBOARDS
IT8323029A0 (en)	1983-09-28	PROCESS FOR THE SYNTHESIS OF PIVALOLACTONE-BASED BLOCK COPOLYMERS.