IT1247082B - Metodo per l'abbattimento di ammine volatili mediante lavaggio acido in scrubber senza produrre acidi esausti di rifiuto - Google Patents

Metodo per l'abbattimento di ammine volatili mediante lavaggio acido in scrubber senza produrre acidi esausti di rifiuto

Info

Publication number
IT1247082B
IT1247082B ITVI910074A ITVI910074A IT1247082B IT 1247082 B IT1247082 B IT 1247082B IT VI910074 A ITVI910074 A IT VI910074A IT VI910074 A ITVI910074 A IT VI910074A IT 1247082 B IT1247082 B IT 1247082B
Authority
IT
Italy
Prior art keywords
scrubber
abatement
producing
volatile amines
acid washing
Prior art date
Application number
ITVI910074A
Other languages
English (en)
Inventor
Eugenio Benito D
Original Assignee
Ecochimica System Srl
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 Ecochimica System Srl filed Critical Ecochimica System Srl
Priority to ITVI910074A priority Critical patent/IT1247082B/it
Publication of ITVI910074A0 publication Critical patent/ITVI910074A0/it
Priority to PCT/EP1992/000992 priority patent/WO1992020476A1/en
Priority to EP92909881A priority patent/EP0583327B1/en
Priority to DE69203862T priority patent/DE69203862D1/de
Publication of ITVI910074A1 publication Critical patent/ITVI910074A1/it
Application granted granted Critical
Publication of IT1247082B publication Critical patent/IT1247082B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/12—Treating moulds or cores, e.g. drying, hardening
    • B22C9/123—Gas-hardening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Treating Waste Gases (AREA)

Abstract

IL METODO CONSISTE NELL'ABBATTERE CON SCRUBBER, AMMINE VOLATILI MEDIANTE SOLUZIONI ACIDE, RIGENERATE PER AZIONE TERMICA, CON RECUPERO AMMINA OPPURE DISTRUZIONE DELLA STESSA PER COMBUSTIONE, SENZA PRODUZIONE DI ACIDI ESAUSTI DI RIFIUTO.
ITVI910074A 1991-05-10 1991-05-10 Metodo per l'abbattimento di ammine volatili mediante lavaggio acido in scrubber senza produrre acidi esausti di rifiuto IT1247082B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITVI910074A IT1247082B (it) 1991-05-10 1991-05-10 Metodo per l'abbattimento di ammine volatili mediante lavaggio acido in scrubber senza produrre acidi esausti di rifiuto
PCT/EP1992/000992 WO1992020476A1 (en) 1991-05-10 1992-05-07 Method and apparatus for eliminating volatile amines used in preparing foundry cores
EP92909881A EP0583327B1 (en) 1991-05-10 1992-05-07 Method and apparatus for eliminating volatile amines used in preparing foundry cores
DE69203862T DE69203862D1 (de) 1991-05-10 1992-05-07 Verfahren und vorrichtung zum eliminieren flüchtiger amine beim herstellen von giessereikernen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVI910074A IT1247082B (it) 1991-05-10 1991-05-10 Metodo per l'abbattimento di ammine volatili mediante lavaggio acido in scrubber senza produrre acidi esausti di rifiuto

Publications (3)

Publication Number Publication Date
ITVI910074A0 ITVI910074A0 (it) 1991-05-10
ITVI910074A1 ITVI910074A1 (it) 1992-11-10
IT1247082B true IT1247082B (it) 1994-12-12

Family

ID=11424629

Family Applications (1)

Application Number Title Priority Date Filing Date
ITVI910074A IT1247082B (it) 1991-05-10 1991-05-10 Metodo per l'abbattimento di ammine volatili mediante lavaggio acido in scrubber senza produrre acidi esausti di rifiuto

Country Status (4)

Country Link
EP (1) EP0583327B1 (it)
DE (1) DE69203862D1 (it)
IT (1) IT1247082B (it)
WO (1) WO1992020476A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3533511A1 (en) * 2018-02-28 2019-09-04 Xpuris GmbH An exhaust gas treatment method and system arranged for treating exhaust gases collected from at least one foundry process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1758530B1 (de) * 1968-06-20 1970-11-05 Balo Eisengiesserei Und Maschi Vorrichtung zur Herstellung von Sandformen oder-Kernen fuer Giessereizwecke
US4326082A (en) * 1980-04-07 1982-04-20 The Dow Chemical Company Use of aqueous triethylamine/phosphoric acid salt solutions to extract water and triethylamine from solutions thereof in organic solvents
DE3104343A1 (de) * 1981-02-07 1982-09-16 Arasin Gmbh, 4223 Voerde Verfahren und vorrichtung zur rueckgewinnung von aminen aus aminhaltiger abluft

Also Published As

Publication number Publication date
EP0583327B1 (en) 1995-08-02
ITVI910074A0 (it) 1991-05-10
ITVI910074A1 (it) 1992-11-10
EP0583327A1 (en) 1994-02-23
WO1992020476A1 (en) 1992-11-26
DE69203862D1 (de) 1995-09-07

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950530