ES8402884A1 - Procedimiento para eliminar cascarillas y herrumbre de la camisa de un reactor revestido de cristal. - Google Patents

Procedimiento para eliminar cascarillas y herrumbre de la camisa de un reactor revestido de cristal.

Info

Publication number
ES8402884A1
ES8402884A1 ES519043A ES519043A ES8402884A1 ES 8402884 A1 ES8402884 A1 ES 8402884A1 ES 519043 A ES519043 A ES 519043A ES 519043 A ES519043 A ES 519043A ES 8402884 A1 ES8402884 A1 ES 8402884A1
Authority
ES
Spain
Prior art keywords
glass
jacket
cleaning
lined reactor
metal
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
ES519043A
Other languages
English (en)
Other versions
ES519043A0 (es
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.)
Dearborn Chemical Co
Original Assignee
Dearborn Chemical Co
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 Dearborn Chemical Co filed Critical Dearborn Chemical Co
Publication of ES519043A0 publication Critical patent/ES519043A0/es
Publication of ES8402884A1 publication Critical patent/ES8402884A1/es
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

PROCEDIMIENTO PARA LA LIMPIEZA DEL INTERIOR DE LA CAMISA DE UN REACTOR REVESTIDO DE CRISTAL, EMPLEANDO UN AGENTE DE LIMPIEZA ESPECIALMENTE FORMULADO PARA SEPARAR CASCARILLA Y HERRUMBRE SIN FORMAR HIDROGENO.CONSISTE EN HACER CIRCULAR A TRAVES DE LA CAMISA, A UNA TEMPERATURA COMPRENDIDA ENTRE 49 Y 65,5 GRADOS Y DURANTE UN TIEMPO COMPRENDIDO ENTRE 4 Y 8 HORAS, UNA SOLUCION ACUOSA DE LIMPIEZA FORMADA EN EN PESO, EXCLUYENDO EL AGUA, POR UN 17,95 A UN 98,625 DE UN QUELANTE, POR UN 0 A UN 0,005 DE UN ANTIESPUMANTE, POR UN 0,1 A UN 5,5 DE UN DISPERSANTE, Y POR UN 0,5 A UN 3 DEUN PASIVADOR DE METAL FERREO.
ES519043A 1982-01-18 1983-01-17 Procedimiento para eliminar cascarillas y herrumbre de la camisa de un reactor revestido de cristal. Expired ES8402884A1 (es)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ES519043A0 ES519043A0 (es) 1984-03-01
ES8402884A1 true ES8402884A1 (es) 1984-03-01

Family

ID=23332438

Family Applications (1)

Application Number Title Priority Date Filing Date
ES519043A Expired ES8402884A1 (es) 1982-01-18 1983-01-17 Procedimiento para eliminar cascarillas y herrumbre de la camisa de un reactor revestido de cristal.

Country Status (8)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0121631B1 (en) * 1983-04-12 1988-08-10 Chemed Corporation 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
ES2023397B3 (es) * 1986-12-01 1992-01-16 Siemens Ag Procedimiento para la limpieza de un recipiente.
US5264041A (en) * 1986-12-01 1993-11-23 Siemens Aktiengesellschaft Method for cleaning a vessel
EP0299166A1 (en) * 1987-07-17 1989-01-18 Mitsubishi Jukogyo Kabushiki Kaisha Method for removing scale on inner surfaces of boiler tube members
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
CA1199550A (en) 1986-01-21
FR2521159A1 (fr) 1983-08-12
JPS58123000A (ja) 1983-07-21
ES519043A0 (es) 1984-03-01
SE8204843D0 (sv) 1982-08-24
GB2113254B (en) 1985-09-11
DE3232263A1 (de) 1983-07-28
SE8204843L (sv) 1983-07-19
GB8301192D0 (en) 1983-02-16
FR2521159B1 (fr) 1987-04-03
GB2113254A (en) 1983-08-03
IT1157343B (it) 1987-02-11
IT8224722A0 (it) 1982-12-14

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