CH440221A - Method and device for removing the liquid phase from a suspension by means of continuous filtration - Google Patents

Method and device for removing the liquid phase from a suspension by means of continuous filtration

Info

Publication number
CH440221A
CH440221A CH590066A CH590066A CH440221A CH 440221 A CH440221 A CH 440221A CH 590066 A CH590066 A CH 590066A CH 590066 A CH590066 A CH 590066A CH 440221 A CH440221 A CH 440221A
Authority
CH
Switzerland
Prior art keywords
suspension
liquid phase
continuous filtration
filtration
continuous
Prior art date
Application number
CH590066A
Other languages
German (de)
Inventor
Schneller Heinz Dipl-Masch-Ing
Germann Karl Dipl-Masch-Ing
Capaul Marcel Dr Chem
Original Assignee
Inventa Ag
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 Inventa Ag filed Critical Inventa Ag
Priority to CH590066A priority Critical patent/CH440221A/en
Priority to DE19671642834 priority patent/DE1642834A1/en
Priority to BE697320D priority patent/BE697320A/xx
Priority to FR103782A priority patent/FR1520181A/en
Priority to GB18799/67A priority patent/GB1134963A/en
Publication of CH440221A publication Critical patent/CH440221A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/14—Hydroxylamine; Salts thereof
    • C01B21/1472—Separation
    • 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
    • B01D29/01—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 flat filtering elements
    • B01D29/03—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 flat filtering elements self-supporting
    • 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
    • B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
    • B01D29/336—Self-supporting filtering elements arranged for inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • 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
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/14—Hydroxylamine; Salts thereof
    • C01B21/1409—Preparation
    • C01B21/1418—Preparation by catalytic reduction of nitrogen oxides or nitrates with hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts
CH590066A 1966-04-22 1966-04-22 Method and device for removing the liquid phase from a suspension by means of continuous filtration CH440221A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH590066A CH440221A (en) 1966-04-22 1966-04-22 Method and device for removing the liquid phase from a suspension by means of continuous filtration
DE19671642834 DE1642834A1 (en) 1966-04-22 1967-04-19 Method and device for removing the liquid phase from a suspension by means of continuous filtration
BE697320D BE697320A (en) 1966-04-22 1967-04-20
FR103782A FR1520181A (en) 1966-04-22 1967-04-21 Method and device for separating by continuous filtration the liquid phase of a suspension
GB18799/67A GB1134963A (en) 1966-04-22 1967-04-24 Separating catalyst particles from hydroxylamine salt solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH590066A CH440221A (en) 1966-04-22 1966-04-22 Method and device for removing the liquid phase from a suspension by means of continuous filtration

Publications (1)

Publication Number Publication Date
CH440221A true CH440221A (en) 1967-07-31

Family

ID=4301220

Family Applications (1)

Application Number Title Priority Date Filing Date
CH590066A CH440221A (en) 1966-04-22 1966-04-22 Method and device for removing the liquid phase from a suspension by means of continuous filtration

Country Status (4)

Country Link
BE (1) BE697320A (en)
CH (1) CH440221A (en)
DE (1) DE1642834A1 (en)
GB (1) GB1134963A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2553099A1 (en) * 1974-12-23 1976-07-08 Alfa Laval Ab FILTRATION PROCEDURE
DE3222585A1 (en) * 1982-06-16 1983-12-22 Kommunarskij gorno-metallurgičeskij institut, Kommunarsk, Vorošilovgradskaja oblast' Filter
EP0239666A2 (en) * 1986-03-04 1987-10-07 Firma Carl Freudenberg Cross-flow filter

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9201176A (en) * 1992-07-02 1994-02-01 Dsm Nv PROCESS FOR PREPARING AND PURIFYING A HYDROXYLAMMONIUM SALT SOLUTION.
DE19935034A1 (en) * 1999-07-26 2001-02-01 Basf Ag Process for the filtration of an aqueous reaction mixture resulting from the production of hydroxylamine
NL1013899C2 (en) * 1999-12-21 2001-06-25 Dsm Nv Process for preparing and purifying a hydroxylammonium salt solution.
EP1249429A1 (en) * 2001-04-09 2002-10-16 Dsm N.V. Process for size classifying ammonium sulphate crystals which are present in a suspension
CN107143009A (en) * 2017-05-19 2017-09-08 任海兵 Public lavatory plumbing Intelligence Stanza Water System

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2553099A1 (en) * 1974-12-23 1976-07-08 Alfa Laval Ab FILTRATION PROCEDURE
DE3222585A1 (en) * 1982-06-16 1983-12-22 Kommunarskij gorno-metallurgičeskij institut, Kommunarsk, Vorošilovgradskaja oblast' Filter
EP0239666A2 (en) * 1986-03-04 1987-10-07 Firma Carl Freudenberg Cross-flow filter
EP0239666A3 (en) * 1986-03-04 1988-08-31 Firma Carl Freudenberg Cross-flow filter

Also Published As

Publication number Publication date
BE697320A (en) 1967-10-02
GB1134963A (en) 1968-11-27
DE1642834A1 (en) 1971-05-06

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