WO2015179884A3 - A cyclical system for the regeneration of desiccant - Google Patents
A cyclical system for the regeneration of desiccant Download PDFInfo
- Publication number
- WO2015179884A3 WO2015179884A3 PCT/ZA2015/000036 ZA2015000036W WO2015179884A3 WO 2015179884 A3 WO2015179884 A3 WO 2015179884A3 ZA 2015000036 W ZA2015000036 W ZA 2015000036W WO 2015179884 A3 WO2015179884 A3 WO 2015179884A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- desiccant
- regeneration
- vessel
- cyclical system
- cyclical
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/0476—Vacuum pressure swing adsorption
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40056—Gases other than recycled product or process gas
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)
- Drying Of Solid Materials (AREA)
- Drying Of Gases (AREA)
Abstract
A method of regenerating a desiccant located m an enclosed vessel, wherein the vessel Is depressurized to atmospheric pressure, and atmospheric air, drawn into, the vessel at & reduced pressure, is allowed to expand to reduce its relative humidity level and is then used to absorb water from the desiccant.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA201403752 | 2014-05-21 | ||
ZA2014/03752 | 2014-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2015179884A2 WO2015179884A2 (en) | 2015-11-26 |
WO2015179884A3 true WO2015179884A3 (en) | 2016-01-14 |
Family
ID=54337938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ZA2015/000036 WO2015179884A2 (en) | 2014-05-21 | 2015-05-21 | A cyclical system for the regeneration of desiccant |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2015179884A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018165458A1 (en) * | 2017-03-10 | 2018-09-13 | Compression Leasing Services, Inc. | Deep vacuum regeneration of adsorbent media |
EP4338814A1 (en) * | 2022-09-15 | 2024-03-20 | Flowserve Management Company | Method and device for removing reactive particles from a vacuum environment, process plant for producing monocrystalline silicon ingots |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1496925A (en) * | 1965-10-18 | 1967-10-06 | Rimer Mfg Company Ltd | Process for fractionating gas mixtures and apparatus for its implementation |
US4303228A (en) * | 1978-03-06 | 1981-12-01 | General Motors Corporation | Apparatus for heat treating containing air-purged molecular sieves in O.sub. -free N2 atmospheres |
EP0449451A1 (en) * | 1990-03-29 | 1991-10-02 | The Boc Group, Inc. | Pre-purification of air for separation |
US5232474A (en) * | 1990-04-20 | 1993-08-03 | The Boc Group, Inc. | Pre-purification of air for separation |
WO2007076867A1 (en) * | 2005-12-30 | 2007-07-12 | Aker Cool Sorption A/S | Filter to filter equalization |
US20100043633A1 (en) * | 2006-05-05 | 2010-02-25 | Separation Design Group, Llc | Sorption method, device, and system |
-
2015
- 2015-05-21 WO PCT/ZA2015/000036 patent/WO2015179884A2/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1496925A (en) * | 1965-10-18 | 1967-10-06 | Rimer Mfg Company Ltd | Process for fractionating gas mixtures and apparatus for its implementation |
US4303228A (en) * | 1978-03-06 | 1981-12-01 | General Motors Corporation | Apparatus for heat treating containing air-purged molecular sieves in O.sub. -free N2 atmospheres |
EP0449451A1 (en) * | 1990-03-29 | 1991-10-02 | The Boc Group, Inc. | Pre-purification of air for separation |
US5232474A (en) * | 1990-04-20 | 1993-08-03 | The Boc Group, Inc. | Pre-purification of air for separation |
WO2007076867A1 (en) * | 2005-12-30 | 2007-07-12 | Aker Cool Sorption A/S | Filter to filter equalization |
US20100043633A1 (en) * | 2006-05-05 | 2010-02-25 | Separation Design Group, Llc | Sorption method, device, and system |
Also Published As
Publication number | Publication date |
---|---|
WO2015179884A2 (en) | 2015-11-26 |
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