NZ239721A - A method for cleaning a sinter by treatment with aqueous hydrogen peroxide - Google Patents

A method for cleaning a sinter by treatment with aqueous hydrogen peroxide

Info

Publication number
NZ239721A
NZ239721A NZ239721A NZ23972191A NZ239721A NZ 239721 A NZ239721 A NZ 239721A NZ 239721 A NZ239721 A NZ 239721A NZ 23972191 A NZ23972191 A NZ 23972191A NZ 239721 A NZ239721 A NZ 239721A
Authority
NZ
New Zealand
Prior art keywords
sinter
cleaning
treatment
hydrogen peroxide
aqueous hydrogen
Prior art date
Application number
NZ239721A
Inventor
Esko Makiniemi
Eeva-Liisa Mustonen
Arto Sikander
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Publication of NZ239721A publication Critical patent/NZ239721A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31—Self-supporting filtering elements
    • B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
    • B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01—Hydrogen peroxide
    • C01B15/022—Preparation from organic compounds
    • C01B15/023—Preparation from organic compounds by the alkyl-anthraquinone process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/043—Filter tubes connected to plates
    • B01D2201/0446—Filter tubes connected to plates suspended from plates at the upper side of the filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B01D2201/085—Regeneration of the filter using another chemical than the liquid to be filtered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/08—Use of hot water or water vapor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/164—Use of bases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Filtering Materials (AREA)
  • Catalysts (AREA)
  • Powder Metallurgy (AREA)
  • Cleaning By Liquid Or Steam (AREA)
NZ239721A 1990-09-10 1991-09-09 A method for cleaning a sinter by treatment with aqueous hydrogen peroxide NZ239721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI904465A FI86380C (en) 1990-09-10 1990-09-10 FOER REFRIGERATION FOR FILTER.

Publications (1)

Publication Number Publication Date
NZ239721A true NZ239721A (en) 1993-04-28

Family

ID=8531044

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ239721A NZ239721A (en) 1990-09-10 1991-09-09 A method for cleaning a sinter by treatment with aqueous hydrogen peroxide

Country Status (12)

Country Link
JP (1) JPH05309221A (en)
AU (1) AU630827B2 (en)
BE (1) BE1004406A3 (en)
BR (1) BR9103882A (en)
CA (1) CA2050991A1 (en)
DE (1) DE4129865A1 (en)
ES (1) ES2038540B1 (en)
FI (1) FI86380C (en)
GB (1) GB2248559B (en)
IT (1) IT1251405B (en)
NZ (1) NZ239721A (en)
SE (2) SE506718C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI86380C (en) * 1990-09-10 1992-08-25 Kemira Oy FOER REFRIGERATION FOR FILTER.
JPH0747101B2 (en) * 1991-08-15 1995-05-24 丸善石油化学株式会社 How to regenerate a clogged filter
DE4418931C2 (en) * 1994-05-31 1997-06-19 Degussa Process for separating catalyst-free working solution from the hydrogenation cycle of the anthraquinone process for the production of hydrogen peroxide
FR2741280B1 (en) * 1995-11-22 1997-12-19 Omnium Traitement Valorisa METHOD FOR CLEANING A FILTER SYSTEM OF THE SUBMERSIBLE MEMBRANE TYPE
FR2751957A1 (en) * 1996-08-01 1998-02-06 Pechiney Aluminium NON-POLLUTANT PROCESS FOR REGENERATING CERAMIC PARTS USED IN ALUMINUM FOUNDRY
JP4103151B2 (en) * 1997-03-19 2008-06-18 栗田工業株式会社 Performance recovery method for precoat filter
US6949219B1 (en) * 2002-12-13 2005-09-27 Calgon Carbon Corporation Method for disinfection of activated carbon through contact with peroxide containing materials

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608899C3 (en) * 1976-03-04 1982-12-30 Müller, Wolf-Rüdiger, Dipl.-Ing., 7000 Stuttgart Process to improve the backwashing process for filters made of granular materials through the use of hydrogen peroxide (H ↓ 2 ↓ O ↓ 2 ↓)
DE2623917A1 (en) * 1976-05-28 1977-12-15 Edel Heinz H Cleaning used haemodialysers simply and effectively - by passing a soln. contg. hydrogen peroxide through
JPS55129107A (en) * 1979-03-28 1980-10-06 Nitto Electric Ind Co Ltd Washing method of selective permeable membrane
US4493756A (en) * 1983-06-21 1985-01-15 Pall Corporation Process for cleaning metal filters
US4740308A (en) * 1984-04-26 1988-04-26 Champion International Corporation Membrane cleaning process
GB8415887D0 (en) * 1984-06-21 1984-07-25 Atomic Energy Authority Uk Membrane cleaning
JPS6393310A (en) * 1986-10-08 1988-04-23 Nippon Atom Ind Group Co Ltd Oil-water separator provided with regeneration function
FI86380C (en) * 1990-09-10 1992-08-25 Kemira Oy FOER REFRIGERATION FOR FILTER.

Also Published As

Publication number Publication date
ES2038540B1 (en) 1994-02-16
SE9102558D0 (en) 1991-09-06
GB2248559A (en) 1992-04-15
FI904465A (en) 1992-03-11
FI86380B (en) 1992-05-15
DE4129865A1 (en) 1992-04-16
JPH05309221A (en) 1993-11-22
ITMI912384A0 (en) 1991-09-10
CA2050991A1 (en) 1992-03-11
BR9103882A (en) 1992-05-26
BE1004406A3 (en) 1992-11-17
SE506718C2 (en) 1998-02-02
IT1251405B (en) 1995-05-09
GB2248559A8 (en)
AU630827B2 (en) 1992-11-05
SE9102558L (en) 1992-03-11
FI904465A0 (en) 1990-09-10
FI86380C (en) 1992-08-25
ITMI912384A1 (en) 1993-03-10
AU8368791A (en) 1992-03-12
GB9119133D0 (en) 1991-10-23
ES2038540A1 (en) 1993-07-16
GB2248559B (en) 1994-02-23

Similar Documents

Publication Publication Date Title
CS4592A3 (en) Process for producing cellulose shaped body
EP0577157A3 (en) Peroxide bleaching process.
HU9200549D0 (en) Process for treating i-type diabetes
GR910300028T1 (en) Process for manufacturing hydrogen peroxide
EP0660268A3 (en) Electronic model generation process.
HU9200550D0 (en) Process for treating i-type diabetes
EP0610974A3 (en) A wire-cut electroerosion apparatus.
NZ239721A (en) A method for cleaning a sinter by treatment with aqueous hydrogen peroxide
GB9003826D0 (en) Bulge forming process
HK53295A (en) A welding process.
HU9302648D0 (en) Mild-acting cleaning soap-stick produced by improved method
EG19841A (en) Method for treating respiratory dissorders
EP0678601A3 (en) Controlled draw frame.
EP0623323A3 (en) Process for preparing a medical implant.
EP0478505A3 (en) De-inking process
KR100201266B1 (en) Process for producing dichloropentafluoropropane
GB9110308D0 (en) Oxidation process
GB9118975D0 (en) Process for producing a hollow fibre-composite body
GB2243602B (en) Treatment process
GB2241958B (en) Treatment process
GB9013003D0 (en) Hydrogen peroxide process
ZA919627B (en) Leaching process
RU1785687C (en) Method for glossalgia treatment
GB9126091D0 (en) Hydrogen peroxide process
GB2242424B (en) Treatment process