CN121646497A - 用于产生聚丙烯酰胺的一遍次脱氧方法 - Google Patents

用于产生聚丙烯酰胺的一遍次脱氧方法

Info

Publication number
CN121646497A
CN121646497A CN202480046346.7A CN202480046346A CN121646497A CN 121646497 A CN121646497 A CN 121646497A CN 202480046346 A CN202480046346 A CN 202480046346A CN 121646497 A CN121646497 A CN 121646497A
Authority
CN
China
Prior art keywords
monomer composition
monomer
gas
degassing
liquid
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.)
Pending
Application number
CN202480046346.7A
Other languages
English (en)
Chinese (zh)
Inventor
C·卡莱蒂
M·邦德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Publication of CN121646497A publication Critical patent/CN121646497A/zh
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0036—Flash degasification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerisation Methods In General (AREA)
CN202480046346.7A 2023-07-13 2024-07-12 用于产生聚丙烯酰胺的一遍次脱氧方法 Pending CN121646497A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202363513517P 2023-07-13 2023-07-13
US63/513,517 2023-07-13
FI20236045 2023-09-21
FI20236045 2023-09-21
PCT/US2024/037774 WO2025015262A2 (fr) 2023-07-13 2024-07-12 Procédé de désoxygénation à un passage pour la production de polyacrylamide

Publications (1)

Publication Number Publication Date
CN121646497A true CN121646497A (zh) 2026-03-10

Family

ID=94216504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480046346.7A Pending CN121646497A (zh) 2023-07-13 2024-07-12 用于产生聚丙烯酰胺的一遍次脱氧方法

Country Status (2)

Country Link
CN (1) CN121646497A (fr)
WO (1) WO2025015262A2 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0646400B1 (fr) * 1993-04-14 2001-07-18 Nippon Sanso Corporation Appareil reducteur d'oxygene dissous
DE102004017886B3 (de) * 2004-04-13 2005-07-21 Audi Ag Verfahren und Vorrichtung zur Lambdaregelung einer Brennkraftmaschine mit Abgaskatalysator
US20070123624A1 (en) * 2005-11-30 2007-05-31 Otten Jay G Method of drying an absorbent polymer with a surfactant
KR101895624B1 (ko) * 2009-12-24 2018-09-05 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산계 흡수성 수지분말 및 그 제조방법
EP2794053B1 (fr) * 2011-12-21 2016-09-28 Tetra Laval Holdings & Finance SA Dégazeur et procédé de dégazage
WO2019081004A1 (fr) * 2017-10-25 2019-05-02 Basf Se Procédé de production de solutions aqueuses de polyacrylamide

Also Published As

Publication number Publication date
WO2025015262A3 (fr) 2025-04-17
WO2025015262A2 (fr) 2025-01-16

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