FR2521159B1 - Procede de nettoyage de la chemise d'un reacteur et solution a y utiliser - Google Patents

Procede de nettoyage de la chemise d'un reacteur et solution a y utiliser

Info

Publication number
FR2521159B1
FR2521159B1 FR8300626A FR8300626A FR2521159B1 FR 2521159 B1 FR2521159 B1 FR 2521159B1 FR 8300626 A FR8300626 A FR 8300626A FR 8300626 A FR8300626 A FR 8300626A FR 2521159 B1 FR2521159 B1 FR 2521159B1
Authority
FR
France
Prior art keywords
shirt
reactor
cleaning
solution
reactor shirt
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8300626A
Other languages
English (en)
Other versions
FR2521159A1 (fr
Inventor
Daniel L Blumen
Robert W Reid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2521159A1 publication Critical patent/FR2521159A1/fr
Application granted granted Critical
Publication of FR2521159B1 publication Critical patent/FR2521159B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel
FR8300626A 1982-01-18 1983-01-17 Procede de nettoyage de la chemise d'un reacteur et solution a y utiliser Expired FR2521159B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34023182A 1982-01-18 1982-01-18

Publications (2)

Publication Number Publication Date
FR2521159A1 FR2521159A1 (fr) 1983-08-12
FR2521159B1 true FR2521159B1 (fr) 1987-04-03

Family

ID=23332438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8300626A Expired FR2521159B1 (fr) 1982-01-18 1983-01-17 Procede de nettoyage de la chemise d'un reacteur et solution a y utiliser

Country Status (8)

Country Link
JP (1) JPS58123000A (fr)
CA (1) CA1199550A (fr)
DE (1) DE3232263A1 (fr)
ES (1) ES8402884A1 (fr)
FR (1) FR2521159B1 (fr)
GB (1) GB2113254B (fr)
IT (1) IT1157343B (fr)
SE (1) SE8204843L (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3377642D1 (en) * 1983-04-12 1988-09-15 Chemed Corp Method of removing scale
US4775491A (en) * 1983-08-10 1988-10-04 Nuclear Technology Corp. Hydrazides of amino-polyacetic acids as chelants
US4726907A (en) * 1983-08-10 1988-02-23 Nuclear Technology Corp Hydrazides of amino-polyacetic acids as chelants
US4708805A (en) * 1986-11-24 1987-11-24 Muhala Thomas F D Barium sulfate removal and anti-deposition compositions and process of use therefor
DE3771859D1 (de) * 1986-12-01 1991-09-05 Siemens Ag Verfahren zum reinigen eines behaelters.
US5264041A (en) * 1986-12-01 1993-11-23 Siemens Aktiengesellschaft Method for cleaning a vessel
EP0299166A1 (fr) * 1987-07-17 1989-01-18 Mitsubishi Jukogyo Kabushiki Kaisha Méthode pour enlever le dépôt sur les surfaces internes des membres tubulaires de chaudière
GB9000028D0 (en) * 1990-01-02 1990-03-07 Shell Int Research Cleaning of equipment used in a liquid phase oxidation process
US5575858A (en) * 1994-05-02 1996-11-19 United Technologies Corporation Effective cleaning method for turbine airfoils
JP2007020402A (ja) * 2005-07-12 2007-02-01 Nitto Shokuhin Kk 納豆の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1076979A (en) * 1963-08-13 1967-07-26 William Russell Tedeschi Surface treating composition
AT281541B (de) * 1966-08-02 1970-05-25 Beratherm Ag Verfahren zum Beizen von metallischen Innenflächen geschlossener Gefäße
US3522093A (en) * 1967-02-27 1970-07-28 Chem Cleaning & Equipment Serv Processes of cleaning and passivating reactor equipment

Also Published As

Publication number Publication date
DE3232263A1 (de) 1983-07-28
CA1199550A (fr) 1986-01-21
FR2521159A1 (fr) 1983-08-12
GB8301192D0 (en) 1983-02-16
GB2113254A (en) 1983-08-03
ES519043A0 (es) 1984-03-01
GB2113254B (en) 1985-09-11
JPS58123000A (ja) 1983-07-21
ES8402884A1 (es) 1984-03-01
IT1157343B (it) 1987-02-11
IT8224722A0 (it) 1982-12-14
SE8204843L (sv) 1983-07-19
SE8204843D0 (sv) 1982-08-24

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse