DK109984A - Fremgangsmaade og varmeveksler til kondensation af en i hovedsagen af en komponent bestaaende gasstroem - Google Patents

Fremgangsmaade og varmeveksler til kondensation af en i hovedsagen af en komponent bestaaende gasstroem Download PDF

Info

Publication number
DK109984A
DK109984A DK109984A DK109984A DK109984A DK 109984 A DK109984 A DK 109984A DK 109984 A DK109984 A DK 109984A DK 109984 A DK109984 A DK 109984A DK 109984 A DK109984 A DK 109984A
Authority
DK
Denmark
Prior art keywords
condensation
procedure
component
heat exchange
main case
Prior art date
Application number
DK109984A
Other languages
English (en)
Other versions
DK109984D0 (da
Inventor
Jacob Myer Geist
Miguel Rafael Alvarez
Harvey Lewis Vines
Howard Charles Rowles
Donald Winston Woodward
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Publication of DK109984D0 publication Critical patent/DK109984D0/da
Publication of DK109984A publication Critical patent/DK109984A/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
    • F25J5/002—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
    • F25J3/0209—Natural gas or substitute natural gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0257—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
    • F28D9/0068—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/04—Processes or apparatus using separation by rectification in a dual pressure main column system
    • F25J2200/06—Processes or apparatus using separation by rectification in a dual pressure main column system in a classical double column flow-sheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/08—Processes or apparatus using separation by rectification in a triple pressure main column system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/38—Processes or apparatus using separation by rectification using pre-separation or distributed distillation before a main column system, e.g. in a at least a double column system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/12—External refrigeration with liquid vaporising loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/60—Closed external refrigeration cycle with single component refrigerant [SCR], e.g. C1-, C2- or C3-hydrocarbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/32—Details on header or distribution passages of heat exchangers, e.g. of reboiler-condenser or plate heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/42—Modularity, pre-fabrication of modules, assembling and erection, horizontal layout, i.e. plot plan, and vertical arrangement of parts of the cryogenic unit, e.g. of the cold box
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/902—Apparatus
    • Y10S62/903—Heat exchange structure
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/927—Natural gas from nitrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Tea And Coffee (AREA)
DK109984A 1983-03-21 1984-02-27 Fremgangsmaade og varmeveksler til kondensation af en i hovedsagen af en komponent bestaaende gasstroem DK109984A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/477,200 US4496382A (en) 1983-03-21 1983-03-21 Process using serpentine heat exchange relationship for condensing substantially single component gas streams

Publications (2)

Publication Number Publication Date
DK109984D0 DK109984D0 (da) 1984-02-27
DK109984A true DK109984A (da) 1984-09-22

Family

ID=23894941

Family Applications (1)

Application Number Title Priority Date Filing Date
DK109984A DK109984A (da) 1983-03-21 1984-02-27 Fremgangsmaade og varmeveksler til kondensation af en i hovedsagen af en komponent bestaaende gasstroem

Country Status (7)

Country Link
US (1) US4496382A (da)
EP (1) EP0119611B1 (da)
CA (1) CA1221023A (da)
DE (1) DE3470946D1 (da)
DK (1) DK109984A (da)
MX (1) MX160924A (da)
NO (1) NO162532C (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697635A (en) * 1984-07-05 1987-10-06 Apd Cryogenics Inc. Parallel wrapped tube heat exchanger
US4721164A (en) * 1986-09-04 1988-01-26 Air Products And Chemicals, Inc. Method of heat exchange for variable-content nitrogen rejection units
US4762542A (en) * 1987-03-20 1988-08-09 The Boc Group, Inc. Process for the recovery of argon
EP0723125B1 (en) * 1994-12-09 2001-10-24 Kabushiki Kaisha Kobe Seiko Sho Gas liquefying method and plant
JP3527609B2 (ja) * 1997-03-13 2004-05-17 株式会社神戸製鋼所 空気分離方法および装置
US6666046B1 (en) 2002-09-30 2003-12-23 Praxair Technology, Inc. Dual section refrigeration system
US7779899B2 (en) * 2006-06-19 2010-08-24 Praxair Technology, Inc. Plate-fin heat exchanger having application to air separation
US20080120983A1 (en) * 2006-11-04 2008-05-29 Dirk Eyermann System and process for reheating seawater as used with lng vaporization
FR2962799B1 (fr) * 2010-07-13 2014-07-04 Air Liquide Ensemble de refroidissement et appareil de separation d'air par distillation cryogenique comprenant un tel ensemble de refroidissement
CA2855383C (en) * 2014-06-27 2015-06-23 Rtj Technologies Inc. Method and arrangement for producing liquefied methane gas (lmg) from various gas sources
US10088239B2 (en) * 2015-05-28 2018-10-02 Hamilton Sundstrand Corporation Heat exchanger with improved flow at mitered corners
CA2903679C (en) 2015-09-11 2016-08-16 Charles Tremblay Method and system to control the methane mass flow rate for the production of liquefied methane gas (lmg)
FR3081047B1 (fr) * 2018-11-12 2020-11-20 Air Liquide Procede d’extraction d'azote d'un courant de gaz naturel
US11686528B2 (en) 2019-04-23 2023-06-27 Chart Energy & Chemicals, Inc. Single column nitrogen rejection unit with side draw heat pump reflux system and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869835A (en) * 1957-03-11 1959-01-20 Trane Co Heat exchanger
US2940271A (en) * 1959-03-24 1960-06-14 Fluor Corp Low temperature fractionation of natural gas components
AT232017B (de) * 1962-09-29 1964-02-25 Friedrich Dr Ing Hermann Luftgekühlter Wärmeaustauscher zur Kühlung von Flüssigkeiten aller Art
US3282334A (en) * 1963-04-29 1966-11-01 Trane Co Heat exchanger
US3397460A (en) * 1965-10-12 1968-08-20 Internat Processes Ltd Heat exchange system for calciner
DE1794019A1 (de) * 1968-08-24 1971-08-19 Messer Griesheim Gmbh Verfahren zum Behandeln eines unter Druck stehenden Gasgemisches,bevor das Gasgemlsch einer Zerlegung unterzogen wird
US3907032A (en) * 1971-04-27 1975-09-23 United Aircraft Prod Tube and fin heat exchanger
US3731736A (en) * 1971-06-07 1973-05-08 United Aircraft Prod Plate and fin heat exchanger
US4128410A (en) * 1974-02-25 1978-12-05 Gulf Oil Corporation Natural gas treatment
US4201263A (en) * 1978-09-19 1980-05-06 Anderson James H Refrigerant evaporator
US4282927A (en) * 1979-04-02 1981-08-11 United Aircraft Products, Inc. Multi-pass heat exchanger circuit
US4411677A (en) * 1982-05-10 1983-10-25 Air Products And Chemicals, Inc. Nitrogen rejection from natural gas
US4451275A (en) * 1982-05-27 1984-05-29 Air Products And Chemicals, Inc. Nitrogen rejection from natural gas with CO2 and variable N2 content

Also Published As

Publication number Publication date
NO162532B (no) 1989-10-02
CA1221023A (en) 1987-04-28
NO162532C (no) 1990-01-10
EP0119611A3 (en) 1986-03-12
DK109984D0 (da) 1984-02-27
US4496382A (en) 1985-01-29
EP0119611B1 (en) 1988-05-04
NO841083L (no) 1984-09-24
EP0119611A2 (en) 1984-09-26
DE3470946D1 (en) 1988-06-09
MX160924A (es) 1990-06-19

Similar Documents

Publication Publication Date Title
DK238986A (da) Fremgangsmaade og kredsloeb til styring af et blandingsbatteri til koldt og varmt vand
DK455084A (da) Fremgangsmaade og anlaeg til kondensering af naturgas
DK164687C (da) Fremgangsmaade til sterilisering af gasimpermeable overflader med chlordioxid
DK410982A (da) Fremgangsmaade til fremstilling af ribbeformet substratelektrode og lignende
DK302282A (da) Roerisoleringsmanchet fremgangsmaade til fremstilling af samme og apparat til brug ved udoevelse af fremgangsaaden
DK247683A (da) Induktor med flere vindinger og fremgangsmaade til fremstilling af samme
DK478985A (da) Fremgangsmaade til fremstilling af syntesegas og carbonhydrider
DK449785A (da) Udstyr til opsamling og fjernelse af gas
DK109984D0 (da) Fremgangsmaade og varmeveksler til kondensation af en i hovedsagen af en komponent bestaaende gasstroem
DK109884D0 (da) Fremgangsmaade og varmeveksler til koeling af en af flere komponenter bestaaende gasstroem
DK240484A (da) Sejl og fremgangsmaade til fremstilling af samme
DK222783D0 (da) Vindmoelle og dele til samme samt fremgangsmade til fremstilling af disse
DK158022C (da) Varmeveksler og fremgangsmaade til fremstilling af samme
DK463884D0 (da) Fremgangsmaade til eliminering af temperaturfluktion i en vaeske
DK355184A (da) Fremgangsmaade og indretning til udnyttelse af kondensvarme fra vandindhold i roeggasser
DK388188D0 (da) 1h-pyrazol-1-alkanamider med antiarrhythmisk virkning og fremgangsmaade til fremstilling af saadanne forbindelser
DK492785A (da) Fremgangsmaade til fremstilling af milbemycinderivater og forbindelser til anvendelse ved fremgangsmaaden
DK120886A (da) Kredsloebsarrangement og fremgangsmaade til fremstilling af samme
DK162239C (da) Fremgangsmaade til fremstilling af inosin og/eller guanosin
DK389881A (da) Varmevekslerelement og fremgangsmaade til fremstilling af samme
DK157085C (da) Fremgangsmaade og element til fastgoerelse af sammenfoejelige paneler
DK190984D0 (da) Varmeveksler og centralvarmekedel med saadan varmeveksler
DK321284D0 (da) Varmeregenerator, isaer beregnet til kaminer og tilsvarende ildsteder
DK121985A (da) Gentenologisk fremgangsmaade til fremstilling af human-ny-interferon og middel til udfoerelse af fremgangsmaaden
DK158116C (da) Varmeveksler og fremgagsmaade til fremstilling af samme

Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment