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FI111245B - Förfarande för separering av ammoniak från en gasblandning och användning av en adsorbentkomposition för denna separering - Google Patents

Förfarande för separering av ammoniak från en gasblandning och användning av en adsorbentkomposition för denna separering Download PDF

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Publication number
FI111245B
FI111245B FI982849A FI982849A FI111245B FI 111245 B FI111245 B FI 111245B FI 982849 A FI982849 A FI 982849A FI 982849 A FI982849 A FI 982849A FI 111245 B FI111245 B FI 111245B
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Finland
Prior art keywords
adsorbent
ammonia
copper
adsorption
gas
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Application number
FI982849A
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English (en)
Finnish (fi)
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FI982849A0 (sv
FI982849L (sv
Inventor
Erkki Paatero
Ilkka Turunen
Jarkko Helminen
Joni Helenius
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Micro Chemie B V
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Application filed by Micro Chemie B V filed Critical Micro Chemie B V
Priority to FI982849A priority Critical patent/FI111245B/sv
Publication of FI982849A0 publication Critical patent/FI982849A0/sv
Priority to AU21116/00A priority patent/AU2111600A/en
Priority to PCT/FI1999/001088 priority patent/WO2000040324A1/en
Priority to EP99965591A priority patent/EP1146949A1/en
Publication of FI982849L publication Critical patent/FI982849L/sv
Priority to NO20013275A priority patent/NO20013275L/no
Application granted granted Critical
Publication of FI111245B publication Critical patent/FI111245B/sv

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/12—Separation of ammonia from gases and 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
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/58—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Claims (9)

1. Förfarande för separering av ammoniakgas frän en gasblandning, känneteck-nat av att man använder en fast adsorbentkomposition innehällande koppar(I).
2. Förfarande enligt patentkrav 1, kännetecknat av att nämnda gasblandning in-15 nehäller ammoniakgas och minst en annan gas som är luft, koldioxid, vatten, kväve, väte, argon, helium, metan, etan eller propan.
3. Förfarande enligt patentkrav 1 eller 2, kännetecknat av att nämnda gasblandning bestär väsentligen av ammoniak och andra vid melaminframställning frigjorda gaser. 1 2 3 4 5 6 7 8 9 10 11
4. Förfarande enligt nägot av patentkraven 1-3 för separering av ammoniak frän 2 en gasblandning, kännetecknat av att gasblandningen leds genom ett eller flera ad- 3 sorbentskikt innehällande koppar(l) och att förfarandet innefattar följande steg: 4 1. ammoniak adorberas frän nämnda gasblandning i det nämnda adsorbentskiktet 5 eller de nämnda adsorbentskikten, 6 2. det nämnda adsorbentskiktet eller de nämnda adsorbentskikten desorberas efter 7 adsorptionen 8 a) genom att spola det nämnda adsorbentskiktet eller de nämnda adsorbentskikten 9 med en produkt, och 10 b) genom att sänka trycket i det nämnda adsorbentskiktet eller de nämnda adsor- 11 bentskikten för ätervinning av nämnda ammoniak och 111245 3. trycket i det nämnda ädsorbentskiktet eller de nämnda adsorbentskikten höjs tili adsorptionstrycket genom att i det nämnda ädsorbentskiktet eller de nämnda adsorbentskikten leda en icke-adsorberande eller svagare adsorberande gas.
5. Användning av en fast adsorbentkomposition innehallande en organisk eller 5 oorganisk bärare och koppar som huvudsakligen är i oxidationstillständet I för sepa- rering av ammoniak frän en gasblandning.
6. Användning enligt patentkrav 5, kännetecknad av att den oorganiska bäraren är naturlig eller syntetisk zeolit, silikagel, kiseldioxid, aluminiumoxid, aktiverad alu-miniumoxid, kiseldioxid-aluminiumoxidgel, poröst aluminiumfosfat, lermineral eller 10 titandioxid.
7. Användning enligt patentkrav 5, kännetecknad av att den organiska bäraren är aktivt koi, träkol, jonbytarharts, säsom makroporöst katjonbytarharts, ofunktionali-serad polymer, säsom polystyren-divinylbensenharts, eller organiskt-oorganisk hy-bridkomposition, säsom sulfonerad ympad polystyren-kiseldioxid.
8. Användning enligt nägot av patentkraven 5-7, kännetecknad av att adsorbent- kompositionen innehäller en kuproförening som är kuprohalogenid, kuprooxid, ku-prokarboxylat eller en blandning därav,
9. Användning enligt patentkrav 8, kännetecknad av att kuproföreningen är ku-proklorid. • i 1 t
FI982849A 1998-12-31 1998-12-31 Förfarande för separering av ammoniak från en gasblandning och användning av en adsorbentkomposition för denna separering FI111245B (sv)

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FI982849A FI111245B (sv) 1998-12-31 1998-12-31 Förfarande för separering av ammoniak från en gasblandning och användning av en adsorbentkomposition för denna separering
AU21116/00A AU2111600A (en) 1998-12-31 1999-12-29 Process for separation of ammonia gas and a solid adsorbent composition
PCT/FI1999/001088 WO2000040324A1 (en) 1998-12-31 1999-12-29 Process for separation of ammonia gas and a solid adsorbent composition
EP99965591A EP1146949A1 (en) 1998-12-31 1999-12-29 Process for separation of ammonia gas and a solid adsorbent composition
NO20013275A NO20013275L (no) 1998-12-31 2001-06-29 Fremgangsmate for separasjon av ammoniakkgass og en fast adsorbentblanding

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US20070017195A1 (en) * 2005-07-21 2007-01-25 Withiam Michael C Air filtration media comprising metal-doped precipitated silica materials
US7559981B2 (en) 2006-07-06 2009-07-14 J.M. Huber Corporation Air filtration media comprising oxidizing agent-treated metal-doped silicon-based gel and zeolite materials
US7585359B2 (en) 2006-12-27 2009-09-08 J.M. Huber Corporation Air filtration media comprising metal-doped silicon-based gel and/or zeolite materials treated with nitric acid and/or potassium persulfate
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WO2011099844A1 (en) 2010-02-12 2011-08-18 Stamicarbon B.V. Removal of ammonia in urea finishing
TWI609984B (zh) 2012-11-20 2018-01-01 賽斯瓦斯股份有限公司 用以回收無水氨之方法及系統
CN105583008B (zh) * 2014-10-24 2018-04-06 中国石油化工股份有限公司 聚甲醛二甲基醚催化剂及其制备方法
WO2017065925A1 (en) * 2015-10-16 2017-04-20 Sabic Global Technologies B.V. Liquid-phase absorption process for the recovery of ammonia from a mixed gas stream
AR107114A1 (es) * 2015-12-21 2018-03-21 Stamicarbon Producción de nitrato de amonio-urea
US11491435B2 (en) 2019-05-24 2022-11-08 Entegris, Inc. Methods and systems for removing ammonia from a gas mixture
CN113041994A (zh) * 2021-02-09 2021-06-29 大同新成欣荣新材料科技有限公司 一种无铬浸渍活性炭制备工艺
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AU2111600A (en) 2000-07-24
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WO2000040324A1 (en) 2000-07-13
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