EP3655693A1 - Method for leakage-proof storage of liquefied chlorine - Google Patents
Method for leakage-proof storage of liquefied chlorineInfo
- Publication number
- EP3655693A1 EP3655693A1 EP18740227.6A EP18740227A EP3655693A1 EP 3655693 A1 EP3655693 A1 EP 3655693A1 EP 18740227 A EP18740227 A EP 18740227A EP 3655693 A1 EP3655693 A1 EP 3655693A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chlorine
- pressure
- pvc
- cpvc
- storage
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/054—Size medium (>1 m3)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
- F17C2225/033—Small pressure, e.g. for liquefied gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
- F17C2225/035—High pressure, i.e. between 10 and 80 bars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/036—Avoiding leaks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/044—Avoiding pollution or contamination
Definitions
- the invention relates to the leak-proof storage of liquefied chlorine in pressure tanks under elevated pressure, which is intended to prevent or reduce leakage of chlorine in the event of leaks in the pressure tank.
- Part B Polymer Physics 38 (2000) 3201-3209 also describe, inter alia, the diffusion of chlorine in cPVC.
- US8343261 describes the storage of methane in metal-organic frameworks (MOF), and US5518528 describes the use of sorbents for improved safety in the transport and storage of hazardous gases. The two applications each involve a sorptive interaction and not a mutual molecular solution of the components.
- MOFs metal-organic frameworks
- POPs porous organic polymers
- a chlorine-functionalized POP shows a highly selective sorptive interaction with CO 2 compared to Gl (J. Mater Chem. 2012, 22.13524) - via a possible interaction of the POP with chlorine gas (or even liquid CI 2 ) not mentioned in the article.
- Chlorine is stored in the prior art either at low pressures and low temperatures, in the range of -34 ° C, or at high pressures, in the range of 4-10 bar, and ambient temperatures.
- the object of the invention is to enable a safe storage of chlorine, which avoids or reduces in particular the leakage of chlorine tanks and the escape of chlorine from the pressure tank.
- the object is achieved in that the pressure tank with PVC or cPVC is filled prior to filling with liquefied chlorine, which can seal the leak in a pressure tank.
- the invention relates to a method for the leak-proof storage of liquefied chlorine under elevated pressure in pressure vessels, characterized in that up to 20 wt .-% of polyvinyl chloride (PVC) or chlorinated polyvinyl chloride (cPVC) prior to filling the pressure vessel with liquefied chlorine be submitted in the pressure vessel.
- PVC polyvinyl chloride
- cPVC chlorinated polyvinyl chloride
- the molecular weight M "of the PVC or cPVC is from 20,000 to 250,000, preferably from 25,000 to 200,000.
- the pressure in the pressure vessel after the introduction of chlorine is from 2 to 15 bar (2,000 to 15,000 hPa).
- the measurements were carried out in a system for measuring phase equilibria.
- the system includes a high-pressure view cell, pumps for filling the viewing cell with chlorine and a vacuum tank.
- the high-pressure view cell consists of a sapphire glass cylinder and stainless steel flanges (material 316 stainless steel, volume 325 cm 3 , maximum pressure: 10 Mpa).
- the temperature is measured by a calibrated Pt-100 platinum resistance thermometer and the pressure is measured by means of a calibrated precision pressure transducer (Keller PA-25 HTC), which is directly coupled to the cell.
- Compressed chlorine is added by means of a screw pump (Sitec).
- Sitec The upper flange of the viewing cell is provided with openings, which can be simulated by switching a valve, a sudden pressure drop in the container.
- the high-pressure view cell is connected via the valve with a vacuum container (volume 20 1), in which the escaping gas is collected.
- liquid chlorine (Linde, 99.999%) was added to the cell until the level of liquid chlorine was about 2 centimeters.
- the pressure in the cell was equal to the vapor pressure of chlorine, 7.1 bar at 22 ° C. Subsequently, the pressure in the cell was suddenly released by opening a valve against vacuum. The valve was closed when a pressure of 1 bar abs in the vacuum vessel. The time to reach this pressure was 69 s.
- Example 2 Chlorine release from a mixture of chlorine and cPVC (13% by weight)
- a first step 48 g of polyvinyl chloride, PVC (Aldrich Chemistry, product number 189588 kg having a mean, number-average, molecular weight of Mn 35,000) were initially introduced into the high-pressure view cell. Liquid chlorine (company Linde, 99.990%) was added to a pressure of 7.1 bar abs and a temperature of 22 ° C, so that a liquid PVC / chlorine solution has formed this resulted in a ratio of 13 wt. % PVC in solution. After addition of the chlorine, the PVC is initially added with elimination of HCl cPVC around. Therefore, it was waited for a period of 2 h and evolved HCl discharged from the cell.
- PVC Aldrich Chemistry, product number 189588 kg having a mean, number-average, molecular weight of Mn 35,000
- the time to reach the pressure of 1 bar abs in the vacuum vessel was 145 s.
- Example 3 Chlorine release from a mixture of chlorine and cPVC (16% by weight)
- the time to reach the pressure of 1 bar abs in the vacuum container was 179 s.
- Examples 2 and 3 show, compared to Example 1, a slowing of the chlorine release by a factor of 2 - 2.5.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17182482.4A EP3431859A1 (en) | 2017-07-21 | 2017-07-21 | Method for leak-proof storage of liquefied chlorine |
PCT/EP2018/069202 WO2019016116A1 (en) | 2017-07-21 | 2018-07-16 | Method for leakage-proof storage of liquefied chlorine |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3655693A1 true EP3655693A1 (en) | 2020-05-27 |
Family
ID=59384020
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17182482.4A Withdrawn EP3431859A1 (en) | 2017-07-21 | 2017-07-21 | Method for leak-proof storage of liquefied chlorine |
EP18740227.6A Withdrawn EP3655693A1 (en) | 2017-07-21 | 2018-07-16 | Method for leakage-proof storage of liquefied chlorine |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17182482.4A Withdrawn EP3431859A1 (en) | 2017-07-21 | 2017-07-21 | Method for leak-proof storage of liquefied chlorine |
Country Status (4)
Country | Link |
---|---|
US (1) | US20200141540A1 (en) |
EP (2) | EP3431859A1 (en) |
CN (1) | CN110945276A (en) |
WO (1) | WO2019016116A1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4147859A (en) * | 1977-10-11 | 1979-04-03 | The B. F. Goodrich Company | Process for removal of chloroform and carbon tetrachloride from chlorinated polyvinyl chloride |
US4459387A (en) | 1981-01-26 | 1984-07-10 | The B. F. Goodrich Company | Chlorination of poly(vinyl chloride) in liquid chlorine, and chlorinated poly(vinyl chloride) composition |
US4350798A (en) * | 1981-01-26 | 1982-09-21 | The B. F. Goodrich Company | Chlorination of poly(vinyl chloride) in liquid chlorine, and chlorinated poly(vinyl chloride) composition |
US5518528A (en) | 1994-10-13 | 1996-05-21 | Advanced Technology Materials, Inc. | Storage and delivery system for gaseous hydride, halide, and organometallic group V compounds |
DE19536976A1 (en) * | 1995-10-04 | 1997-04-10 | Basf Ag | Process for the selective separation and recovery of chlorine from gas mixtures |
CN1128652C (en) * | 1996-05-20 | 2003-11-26 | 高级技术材料公司 | Fluid storage and delivery system comprising high work capacity physical sorbent |
CN2298412Y (en) * | 1997-08-06 | 1998-11-25 | 厦门市自来水公司 | Chlorine filter intermediate buffer tank |
JP5453387B2 (en) * | 2008-03-17 | 2014-03-26 | ビーエーエスエフ ソシエタス・ヨーロピア | Use of formate-based porous metal-organic framework materials for methane storage |
-
2017
- 2017-07-21 EP EP17182482.4A patent/EP3431859A1/en not_active Withdrawn
-
2018
- 2018-07-16 WO PCT/EP2018/069202 patent/WO2019016116A1/en unknown
- 2018-07-16 EP EP18740227.6A patent/EP3655693A1/en not_active Withdrawn
- 2018-07-16 CN CN201880048179.4A patent/CN110945276A/en active Pending
- 2018-07-16 US US16/632,017 patent/US20200141540A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN110945276A (en) | 2020-03-31 |
US20200141540A1 (en) | 2020-05-07 |
EP3431859A1 (en) | 2019-01-23 |
WO2019016116A1 (en) | 2019-01-24 |
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