JP7583017B2 - 尿素生成におけるビウレット生成の低減 - Google Patents

尿素生成におけるビウレット生成の低減 Download PDF

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JP7583017B2
JP7583017B2 JP2022500697A JP2022500697A JP7583017B2 JP 7583017 B2 JP7583017 B2 JP 7583017B2 JP 2022500697 A JP2022500697 A JP 2022500697A JP 2022500697 A JP2022500697 A JP 2022500697A JP 7583017 B2 JP7583017 B2 JP 7583017B2
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urea
lines
line
unit
granulation
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Japanese (ja)
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JP2022539824A (ja
Inventor
シュミッツ，マルティナ
Original Assignee
ティッセンクルップ ウーデ ゲゼルシャフト ミット ベシュレンクテル ハフツング
ティッセンクルップ アクチェンゲゼルシャフト
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Priority to JP2024002576A priority Critical patent/JP2024041900A/ja
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/10—Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12—Granules or flakes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)
  • Glanulating (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2022500697A 2019-07-10 2020-06-08 尿素生成におけるビウレット生成の低減 Active JP7583017B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024002576A JP2024041900A (ja) 2019-07-10 2024-01-11 尿素生成におけるビウレット生成の低減

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102019118702.8 2019-07-10
DE102019118702.8A DE102019118702A1 (de) 2019-07-10 2019-07-10 Reduzierung der biuretgeneration in der harnstoffproduktion
PCT/EP2020/065784 WO2021004713A1 (de) 2019-07-10 2020-06-08 Reduzierung der biuretgeneration in der harnstoffproduktion

Related Child Applications (1)

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JP2024002576A Division JP2024041900A (ja) 2019-07-10 2024-01-11 尿素生成におけるビウレット生成の低減

Publications (2)

Publication Number Publication Date
JP2022539824A JP2022539824A (ja) 2022-09-13
JP7583017B2 true JP7583017B2 (ja) 2024-11-13

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ID=71103355

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JP2022500697A Active JP7583017B2 (ja) 2019-07-10 2020-06-08 尿素生成におけるビウレット生成の低減
JP2024002576A Pending JP2024041900A (ja) 2019-07-10 2024-01-11 尿素生成におけるビウレット生成の低減

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024002576A Pending JP2024041900A (ja) 2019-07-10 2024-01-11 尿素生成におけるビウレット生成の低減

Country Status (4)

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EP (1) EP3997051A1 (de)
JP (2) JP7583017B2 (de)
DE (1) DE102019118702A1 (de)
WO (1) WO2021004713A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116212419B (zh) * 2022-12-28 2025-11-11 重庆建峰化工股份有限公司 一种降低二氧化碳尿素工艺产品中缩二脲含量的反应系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070059446A1 (en) 2003-11-10 2007-03-15 Mutsers Stanislaus M P Process for the preparation of urea granules
JP2007534585A (ja) 2004-02-05 2007-11-29 ウーデ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 尿素含有顆粒肥料を製造する方法でのビウレットおよび有利アンモニアの軽減
US20140206902A1 (en) 2011-08-17 2014-07-24 Stamicarbon B.V. Urea production process characterized by short urea melt transportation time between last concentrator and prilling tower

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE32160B1 (en) 1967-07-03 1973-05-02 Ici Ltd Improvements in and relating to the production of auto-condensation products of urea,in particular biuret
AT281609B (de) 1968-08-21 1970-05-25 Paul Bungartz Vertikale Kreiselpumpe
AT291003B (de) 1969-04-28 1971-06-25 Paul Bungartz Kreiselpumpe mit axialem Eintritt und fliegend gelagertem Laufrad
GB1404098A (en) 1973-05-16 1975-08-28 Mexico Guanos Process for reducing the biuret content in urea
IE46841B1 (en) 1977-06-09 1983-10-05 Azote Sa Cie Neerlandaise Improvements in or relating to urea granulation
JPS57171956A (en) 1981-04-16 1982-10-22 Toyo Eng Corp Concentration of aqueous solution of urea
US4947308A (en) 1989-04-17 1990-08-07 Zdzislaw Gulczynski High power switching power supply
NZ331531A (en) 1997-09-04 2000-01-28 Toyo Engineering Corp method for granulation and granulator
DE19744404A1 (de) 1997-10-08 1999-04-15 Piesteritz Stickstoff Verfahren zur Herstellung von Dicyandiamid enthaltenden Harnstoff-Düngemittel-Granulaten
JP6306571B2 (ja) 2012-05-03 2018-04-04 スタミカーボン・ベー・フェー 尿素製造プラント
DE102017108842A1 (de) * 2017-04-25 2018-10-25 Thyssenkrupp Ag Verfahren und Vorrichtung zur Herstellung von Harnstoff

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070059446A1 (en) 2003-11-10 2007-03-15 Mutsers Stanislaus M P Process for the preparation of urea granules
JP2007534585A (ja) 2004-02-05 2007-11-29 ウーデ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 尿素含有顆粒肥料を製造する方法でのビウレットおよび有利アンモニアの軽減
US20140206902A1 (en) 2011-08-17 2014-07-24 Stamicarbon B.V. Urea production process characterized by short urea melt transportation time between last concentrator and prilling tower

Also Published As

Publication number Publication date
JP2024041900A (ja) 2024-03-27
WO2021004713A1 (de) 2021-01-14
JP2022539824A (ja) 2022-09-13
DE102019118702A1 (de) 2021-01-14
EP3997051A1 (de) 2022-05-18

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