IT1262420B - Dispositivo e procedimento per il pretrattamento di rottame elettronico. - Google Patents
Dispositivo e procedimento per il pretrattamento di rottame elettronico.Info
- Publication number
- IT1262420B IT1262420B ITRM930724A IT1262420B IT 1262420 B IT1262420 B IT 1262420B IT RM930724 A ITRM930724 A IT RM930724A IT 1262420 B IT1262420 B IT 1262420B
- Authority
- IT
- Italy
- Prior art keywords
- electronic scrap
- procedure
- treatment
- pretreatment
- cooler
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
- C22B11/021—Recovery of noble metals from waste materials
- C22B11/025—Recovery of noble metals from waste materials from manufactured products, e.g. from printed circuit boards, from photographic films, paper, or baths
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
Dispositivo per il pretrattamento di rottame elettronico, comprendente un cilindro a coclea (1) con vite senza fine (2) interna, dotato di ingressi e uscite per fluido di scambio termico (13, 8) e rottame elettronico da trattare (6, 14); forno comprendente tale dispositivo, ulteriormente comprendente barriere d'aria d'ingresso (9, 11) e d'uscita (23, 24); refrigeratore comprendente pure tale dispositivo; nonché procedimento per il pretrattamento di rottame elettronico facente uso di tali forno e refrigeratore.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM930724 IT1262420B (it) | 1993-11-03 | 1993-11-03 | Dispositivo e procedimento per il pretrattamento di rottame elettronico. |
EP19940830498 EP0651064A1 (en) | 1993-11-03 | 1994-10-25 | A device and process for the pretreatement of electronic scrap |
US08/332,142 US5700425A (en) | 1993-11-03 | 1994-10-31 | Device for the pretreatment of electronic scrap |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM930724 IT1262420B (it) | 1993-11-03 | 1993-11-03 | Dispositivo e procedimento per il pretrattamento di rottame elettronico. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM930724A0 ITRM930724A0 (it) | 1993-11-03 |
ITRM930724A1 ITRM930724A1 (it) | 1995-05-03 |
IT1262420B true IT1262420B (it) | 1996-06-19 |
Family
ID=11402032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM930724 IT1262420B (it) | 1993-11-03 | 1993-11-03 | Dispositivo e procedimento per il pretrattamento di rottame elettronico. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5700425A (it) |
EP (1) | EP0651064A1 (it) |
IT (1) | IT1262420B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0863216B1 (en) * | 1997-03-05 | 2002-09-18 | Ebara Corporation | Method of treating metal/plastic composite waste material by heat decomposition |
DE19715319C2 (de) * | 1997-04-04 | 2001-03-01 | Werner Fabian | Dreistufiges hydrometallurgisches Verfahren zur Metallabtrennung von Elektronikschrott insbesondere von Leiterplatten und metallhaltigen Kunststoffrückständen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3550925A (en) * | 1968-08-30 | 1970-12-29 | College Research Corp | Apparatus for separating metals |
US3799735A (en) * | 1972-01-05 | 1974-03-26 | Smidth & Co As F L | Conveyor flights for rotary kiln |
US4200262A (en) * | 1978-07-10 | 1980-04-29 | College Research Corporation | Method and apparatus for removing combustible material from metal scrap |
US4201370A (en) * | 1978-07-10 | 1980-05-06 | College Research Corporation | Method and apparatus for heat treating materials to remove contaminants |
DE3328709A1 (de) * | 1983-08-09 | 1985-02-28 | Bayer Ag, 5090 Leverkusen | Drehrohrofen und dessen verwendung |
US4639216A (en) * | 1985-04-25 | 1987-01-27 | Schnupp's Grain Roasting, Inc. | Grain roasting machine and method |
DE3721843A1 (de) * | 1987-07-02 | 1989-01-19 | Boeing Anlagen Masch Kg | Verfahren und vorrichtung zur aufarbeitung von muell, insbesondere von getrocknetem hausmuell |
DE4018607A1 (de) * | 1990-06-10 | 1992-02-13 | Celi Antonio Maria Dipl Ing | Verfahren und vorrichtung zur aufarbeitung von metallkaschierten kunststoffabfaellen |
US5198018A (en) * | 1991-02-14 | 1993-03-30 | General Motors Corporation | Pyrolysis process and apparatus |
JP2546925B2 (ja) * | 1991-02-18 | 1996-10-23 | 新日本製鐵株式会社 | 錫メッキ鋼板スクラップの錫分離装置列 |
NO172838C (no) * | 1991-06-28 | 1993-09-15 | Norsk Hydro As | Fremgangsmaate og anlegg for behandling av avfallsprodukter |
TW221462B (it) * | 1991-06-28 | 1994-03-01 | Stein Atkinson Strody Ltd | |
IT1261515B (it) * | 1993-08-13 | 1996-05-23 | In Tec Italia Int Env Tech Srl | Procedimento per il recupero delle soluzioni di incisione dei metalli spente. |
IT1262034B (it) * | 1993-10-07 | 1996-06-18 | In Tec Italia Int Env Tech Srl | Dispositivo e procedimento per il pretrattamento di rottami di circuiti elettronici. |
-
1993
- 1993-11-03 IT ITRM930724 patent/IT1262420B/it active IP Right Grant
-
1994
- 1994-10-25 EP EP19940830498 patent/EP0651064A1/en not_active Withdrawn
- 1994-10-31 US US08/332,142 patent/US5700425A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5700425A (en) | 1997-12-23 |
ITRM930724A1 (it) | 1995-05-03 |
ITRM930724A0 (it) | 1993-11-03 |
EP0651064A1 (en) | 1995-05-03 |
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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: 19971126 |