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SE1130026A1 - System - Google Patents

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Publication number
SE1130026A1
SE1130026A1 SE1130026A SE1130026A SE1130026A1 SE 1130026 A1 SE1130026 A1 SE 1130026A1 SE 1130026 A SE1130026 A SE 1130026A SE 1130026 A SE1130026 A SE 1130026A SE 1130026 A1 SE1130026 A1 SE 1130026A1
Authority
SE
Sweden
Prior art keywords
adsorption
flow
port
nitrous oxide
in1et
Prior art date
Application number
SE1130026A
Other languages
Swedish (sv)
Other versions
SE537166C2 (en
Inventor
Istvan Szabo
Original Assignee
Nordic Gas Cleaning Ab
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 Nordic Gas Cleaning Ab filed Critical Nordic Gas Cleaning Ab
Priority to SE1130026A priority Critical patent/SE537166C2/en
Priority to PCT/SE2012/000044 priority patent/WO2012128695A1/en
Priority to PCT/SE2012/000043 priority patent/WO2012128694A1/en
Priority to US14/007,308 priority patent/US20140020685A1/en
Priority to US14/007,302 priority patent/US20140017139A1/en
Priority to EP12760734.9A priority patent/EP2688625A4/en
Priority to EP12761312.3A priority patent/EP2688626B1/en
Publication of SE1130026A1 publication Critical patent/SE1130026A1/en
Publication of SE537166C2 publication Critical patent/SE537166C2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0087—Environmental safety or protection means, e.g. preventing explosion
    • A61M16/009—Removing used or expired gases or anaesthetic vapours
    • 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
    • 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
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B01D53/565—Nitrogen oxides by treating the gases with solids

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

A B S T R A C TA system for I) collecting nitrous oXide in eXhalation air, and ll) delivering nitrous oXidecollected in (I) to further processing,5 characterized in comprising a pool of one or several mutually replaceable adsorption units(201) each of Which contains a nitrous oXide reversible adsorbents (213a) and having:i) an inlet port (214a) for eXhalation air,ii) an outlet port (214b) for discharging processed eXhalation air depleted in nitrous oXide,iii) an inlet port (215a) for a desorbing gas, and10 iv) an outlet port (215b) for discharging desorbing gas plus nitrous oXide, together With A) a docking arrangement (202) Which is associated With adsorption of nitrous oXide andcomprises:a) a connection (2l9a) for connecting the outlet port OLmaSk (212) to the inlet port (214a), 15 andb) optionally a connection (219b) for connecting a Waste recipient (205) to the outlet port(214b), and B) a docking arrangement (202) Which is associated With desorption of nitrous oXide and comprises:20 a) a connection (220a) for connecting a source for desorbing gas to the inlet port (215a)and b) a connection (220b) for connecting the outlet port (215b) to the inlet port (217).

Description

A system forI) co11ecting nitrous oXide in air eXha1ed by an individua1 Which via a face maskarrangement (= face mask) (204) having an Outlet OLmaSk (204) for eXha1ation, andII) de1ivering the nitrous oXide co11ected in (I) to an in1et port IPm (217) of an apparatusfor further processing of nitrous oXide,characterized in comprising a pool of one, more mutua11y rep1aceab1e through-floWadsorption units (201), each of Which comprises a nitrous oXide reversib1e adsorbent(213a) p1aced in a through-floW chamber (213) and has:i) an in1et port IPadS (214a) for in1et of eXha1ation air (adsorption floW),ii) an out1et port OPadS (214b) for discharging gas processed in the chamber to a Wasterecipient,iii) an in1et port IPdeS (215a) for in1et of a desorbing gas (desorption floW), andiv) an out1et port OPdeS (215b) for discharging desorbing gas from the adsorbent,together WithA) a docking arrangement DAadS (202) Which is associated With adsorption of nitrousoXide and comprises:a) a connection Clads (219a) for connecting the out1et port OLmaSk (212) to the in1etport IPadS (214a), andb) optiona11y a connection C2ads (219b) for connecting a Waste recipient (205 to theout1et port OPadS (214b), andB) a docking arrangement DAdeS (202) Which is associated With desorption of nitrousoXide and comprises:a) a connection Cldes (220a) for connecting a source for desorbing gas to the in1et portIPdeS (215a) andb) a connection C2des (220b) for connecting the out1et port OPdeS (215b) to the in1etport lPapp (217).
The system of c1aim 1, characterized in that the system comprises a carrier function (318) to support the mobi1ity of the individua1 adsorption units (301).
The system of any of c1aims 1-2, characterized in that the floW direction for desorbing floW through the adsorption unit is opposite to, or has the same direction as the floW

Claims (9)

1. A system forI) co11ecting nitrous oXide in air eXha1ed by an individua1 Which via a face maskarrangement (= face mask) (204) having an Outlet OLmaSk (204) for eXha1ation, andII) de1ivering the nitrous oXide co11ected in (I) to an in1et port IPm (217) of an apparatusfor further processing of nitrous oXide,characterized in comprising a pool of one, more mutua11y rep1aceab1e through-floWadsorption units (201), each of Which comprises a nitrous oXide reversib1e adsorbent(213a) p1aced in a through-floW chamber (213) and has:i) an in1et port IPadS (214a) for in1et of eXha1ation air (adsorption floW),ii) an out1et port OPadS (214b) for discharging gas processed in the chamber to a Wasterecipient,iii) an in1et port IPdeS (215a) for in1et of a desorbing gas (desorption floW), andiv) an out1et port OPdeS (215b) for discharging desorbing gas from the adsorbent,together WithA) a docking arrangement DAadS (202) Which is associated With adsorption of nitrousoXide and comprises:a) a connection Clads (219a) for connecting the out1et port OLmaSk (212) to the in1etport IPadS (214a), andb) optiona11y a connection C2ads (219b) for connecting a Waste recipient (205 to theout1et port OPadS (214b), andB) a docking arrangement DAdeS (202) Which is associated With desorption of nitrousoXide and comprises:a) a connection Cldes (220a) for connecting a source for desorbing gas to the in1et portIPdeS (215a) andb) a connection C2des (220b) for connecting the out1et port OPdeS (215b) to the in1etport lPapp (217). The system of c1aim 1, characterized in that the system comprises a carrier function (318) to support the mobi1ity of the individua1 adsorption units (301). The system of any of c1aims 1-2, characterized in that the floW direction for desorbing floW through the adsorption unit is opposite to, or has the same direction as the floW 5 23direction of absorption floW (eXha1ation air), With preference for IPadS (314a) coinciding With OPdeS (315b) and/or OPadS (314b) coinciding With IPdeS (314b) The system of any of c1aims 1-3, characterized in comprising a heating arrangementcomprising one or more functions (222,322) for heating the adsorbent of the individualadsorption units, With preference for a) one of said heating functions (222) being present on said docking arrangement DA de,(203) and p1aced upstream of the connection Cldes (220a) and/or b) one of said heating functions (322) being present on every adsorption unit (301) andp1aced between the in1et port OPdeS (315b) and the adsorbent (313a). The system of any of c1aims 1-5 , characterized in being associated With a floWchanging function FCFadS (223a,322) ) for changing adsorption floW through theadsorption unit (201,301), and/or a floW changing function FCFdeS (223,324) for changingthe desorption floW through the adsorption unit (201,301), The system of c1aims 6, characterized ina) said floW changing function FCFdeS being associated With the apparatus for furtherprocessing (207) and/or With the source (206) of desorbing gas, and/orb) said floW changing function FCFadS (324) being associated With the face mask (204)and/or the in1et end (316a,317a) of an adsorption unit. The system of any of c1aims 1-7, characterized in being associated With a measuringarrangement Which comprises one or more sensors (208a,b,308a,b,c) Which are based onmeasuring during and/or after adsorption the amount of nitrous oXide on the adsorbent (213a,313a). The system of c1aims 8, characterized in that A) the adsorbents (313a) in the adsorption units have been se1ected amongst adsorbentsfor Which the adsorption of nitrous oXide is eXothermic deve1oping measurab1echanges in temperature Where adsorption is ongoing indicating the advancing front ofadsorption, and B) one or more temperature sensitive sensors (308a,b,c) Which 24a) are capable of measuring changes in temperature in the adsorbent (3l3a) caused by adsorption of nitrous oXide, andb) are placed at different predetermined longitudinal positions between the inlet end (3l3c) and the outlet end (3l3b) of the adsorbent.. 59. The system according to any of claims 1-9, characterized in comprising a loggingarrangement (3l0a+b) in Whicha) capacity data and/or floW capacity data and/or sum of running times for adsorption forat least the latest time of use for the individual adsorbents of the pool etc, and possiblyl0 also corresponding initial values for freshly prepared adsorbents of the pool, and/or b) preset limit values for disqualification/qualification of the individual adsorption units for repetitive use in the system.
SE1130026A 2011-03-24 2011-04-07 Systems for the management of nitrous oxide collected from exhaled air SE537166C2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE1130026A SE537166C2 (en) 2011-04-07 2011-04-07 Systems for the management of nitrous oxide collected from exhaled air
PCT/SE2012/000044 WO2012128695A1 (en) 2011-03-24 2012-03-23 Apparatus for decomposition of nitrous oxide in a gas stream
PCT/SE2012/000043 WO2012128694A1 (en) 2011-03-24 2012-03-23 System for collecting nitrous oxide in exhalation air
US14/007,308 US20140020685A1 (en) 2011-03-24 2012-03-23 System for collecting nitrous oxide in exhalation air
US14/007,302 US20140017139A1 (en) 2011-03-24 2012-03-23 Apparatus for decomposition of nitrous oxide in a gas stream
EP12760734.9A EP2688625A4 (en) 2011-03-24 2012-03-23 Apparatus for decomposition of nitrous oxide in a gas stream
EP12761312.3A EP2688626B1 (en) 2011-03-24 2012-03-23 System for collecting nitrous oxide in exhalation air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1130026A SE537166C2 (en) 2011-04-07 2011-04-07 Systems for the management of nitrous oxide collected from exhaled air

Publications (2)

Publication Number Publication Date
SE1130026A1 true SE1130026A1 (en) 2012-10-08
SE537166C2 SE537166C2 (en) 2015-02-24

Family

ID=47190250

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1130026A SE537166C2 (en) 2011-03-24 2011-04-07 Systems for the management of nitrous oxide collected from exhaled air

Country Status (1)

Country Link
SE (1) SE537166C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2542967B (en) * 2014-08-20 2018-05-23 Sagetech Medical Equipment Ltd Improvements to halocarbon recycling methods and systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2542967B (en) * 2014-08-20 2018-05-23 Sagetech Medical Equipment Ltd Improvements to halocarbon recycling methods and systems
US10603453B2 (en) 2014-08-20 2020-03-31 Sagetech Medical Equipment Limited Halocarbon recycling methods and systems

Also Published As

Publication number Publication date
SE537166C2 (en) 2015-02-24

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