IT1043474B - Processo per ricuperare agente ammorbidente usato nel trattamento di cellulosa rigenerata e apparecchio relativo - Google Patents
Processo per ricuperare agente ammorbidente usato nel trattamento di cellulosa rigenerata e apparecchio relativoInfo
- Publication number
- IT1043474B IT1043474B IT28423/75A IT2842375A IT1043474B IT 1043474 B IT1043474 B IT 1043474B IT 28423/75 A IT28423/75 A IT 28423/75A IT 2842375 A IT2842375 A IT 2842375A IT 1043474 B IT1043474 B IT 1043474B
- Authority
- IT
- Italy
- Prior art keywords
- recovering
- treatment
- agent used
- softening agent
- regenerated cellulose
- Prior art date
Links
Classifications
-
- 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
- B01D53/14—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 by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- 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
- B01D53/14—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 by absorption
-
- 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
- B01D53/14—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 by absorption
- B01D53/1406—Multiple stage absorption
-
- 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
- B01D53/14—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 by absorption
- B01D53/1418—Recovery of products
-
- 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
- B01D53/14—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 by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US515965A US3889390A (en) | 1974-10-18 | 1974-10-18 | Regenerated cellulose softener recovery method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1043474B true IT1043474B (it) | 1980-02-20 |
Family
ID=24053547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28423/75A IT1043474B (it) | 1974-10-18 | 1975-10-17 | Processo per ricuperare agente ammorbidente usato nel trattamento di cellulosa rigenerata e apparecchio relativo |
Country Status (7)
Country | Link |
---|---|
US (1) | US3889390A (it) |
AR (1) | AR204676A1 (it) |
CA (1) | CA1060605A (it) |
DE (1) | DE2546663A1 (it) |
FR (1) | FR2333822A1 (it) |
GB (1) | GB1470908A (it) |
IT (1) | IT1043474B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4145898A (en) * | 1976-10-13 | 1979-03-27 | Air Industrie | Installation for the treatment of a fabric impregnated with a liquefied gas |
WO1982001324A1 (en) * | 1980-10-13 | 1982-04-29 | Jacob Weitman | Method and apparatus for the separation of preferably gaseous and difficultly condensable contaminations from a gas |
US4642904A (en) * | 1985-08-01 | 1987-02-17 | Georgia Krolin Company, Inc. | Energy conserving process for drying a clay slurry |
DE3536537A1 (de) * | 1985-10-12 | 1987-04-16 | Wolff Walsrode Ag | Verfahren zur reinigung von produkten aus regenerierter cellulose |
US4733272A (en) * | 1986-07-17 | 1988-03-22 | Xerox Corporation | Filter regeneration in an electrophotographic printing machine |
US5277707A (en) * | 1992-07-16 | 1994-01-11 | Cool Fog Systems, Inc. | Air stream solvent vapor remover |
US5463873A (en) * | 1993-12-06 | 1995-11-07 | Cool Fog Systems, Inc. | Method and apparatus for evaporative cooling of air leading to a gas turbine engine |
US7168274B2 (en) * | 2003-05-05 | 2007-01-30 | American Dryer Corporation | Combination washer/dryer having common heat source |
GB2526487B8 (en) | 2013-03-15 | 2017-03-15 | Oy Halton Group Ltd | Water spray fume cleansing with demand-based operation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3087254A (en) * | 1959-10-01 | 1963-04-30 | Kubodera Hisayoshi | Method and apparatus for drying solvent-containing materials while recovering vaporized solvent |
US3538613A (en) * | 1968-08-27 | 1970-11-10 | Du Pont | Regenerated cellulose softener recovery |
US3561131A (en) * | 1968-09-10 | 1971-02-09 | Cornwells Metal Finishing Co I | Method and apparatus for coating metal strips |
-
1974
- 1974-10-18 US US515965A patent/US3889390A/en not_active Expired - Lifetime
-
1975
- 1975-01-01 AR AR260821A patent/AR204676A1/es active
- 1975-10-15 CA CA237,666A patent/CA1060605A/en not_active Expired
- 1975-10-16 FR FR7531645A patent/FR2333822A1/fr not_active Withdrawn
- 1975-10-17 IT IT28423/75A patent/IT1043474B/it active
- 1975-10-17 GB GB4271275A patent/GB1470908A/en not_active Expired
- 1975-10-17 DE DE19752546663 patent/DE2546663A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AR204676A1 (es) | 1976-02-20 |
CA1060605A (en) | 1979-08-21 |
DE2546663A1 (de) | 1976-04-29 |
FR2333822A1 (fr) | 1977-07-01 |
GB1470908A (en) | 1977-04-21 |
US3889390A (en) | 1975-06-17 |
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