[go: up one dir, main page]

BR8201076A - Processo aperfeicoado para a recuperacao de vapor de diamina nao reagido - Google Patents

Processo aperfeicoado para a recuperacao de vapor de diamina nao reagido

Info

Publication number
BR8201076A
BR8201076A BR8201076A BR8201076A BR8201076A BR 8201076 A BR8201076 A BR 8201076A BR 8201076 A BR8201076 A BR 8201076A BR 8201076 A BR8201076 A BR 8201076A BR 8201076 A BR8201076 A BR 8201076A
Authority
BR
Brazil
Prior art keywords
steam recovery
perfect process
non reacted
reacted diamine
diamine steam
Prior art date
Application number
BR8201076A
Other languages
English (en)
Inventor
Robert Dewey Sauerbrunn
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BR8201076A publication Critical patent/BR8201076A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B01D3/322—Reboiler specifications
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8201076A 1981-03-05 1982-03-02 Processo aperfeicoado para a recuperacao de vapor de diamina nao reagido BR8201076A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/240,914 US4380615A (en) 1981-03-05 1981-03-05 Diamine recovery process

Publications (1)

Publication Number Publication Date
BR8201076A true BR8201076A (pt) 1983-01-11

Family

ID=22908452

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8201076A BR8201076A (pt) 1981-03-05 1982-03-02 Processo aperfeicoado para a recuperacao de vapor de diamina nao reagido

Country Status (7)

Country Link
US (1) US4380615A (pt)
EP (1) EP0060653B1 (pt)
JP (1) JPS57159817A (pt)
AR (1) AR226962A1 (pt)
BR (1) BR8201076A (pt)
CA (1) CA1186339A (pt)
DE (1) DE3268475D1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235009A (en) * 1989-10-16 1993-08-10 Phillips Petroleum Company Gas phase polymerization in multi-stage fluid beds
JP4501013B2 (ja) * 1999-02-26 2010-07-14 三井化学株式会社 ポリオールの精製方法
EP1476234B1 (de) * 2002-02-15 2005-08-03 Basf Aktiengesellschaft Reaktionskolonne in spezieller kombination mit umlaufverdampfer
US20040258563A1 (en) 2003-06-23 2004-12-23 Applera Corporation Caps for sample wells and microcards for biological materials
US7569194B2 (en) * 2005-04-29 2009-08-04 Thomas Russell, L.L.C. Waste heat energy recovery method and system
US7758757B2 (en) * 2007-10-19 2010-07-20 E. I. Du Pont De Nemours And Company Method for removing hydrazine compounds
CN118557985B (zh) * 2024-05-20 2024-11-12 浙江新和成尼龙材料有限公司 聚酰胺的连续聚合设备及其连续聚合工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2163584A (en) * 1936-12-01 1939-06-27 Du Pont Preparation of polyamides
GB854223A (en) 1957-12-20 1960-11-16 Ici Ltd Improved polyamide manufacturing process
BE591399A (pt) * 1959-06-06
US3402152A (en) * 1964-05-15 1968-09-17 Monsanto Co Process for preparing a polyamide
NL129245C (pt) * 1964-06-01
CA1015894A (en) * 1973-03-05 1977-08-16 Kalev Pugi Preparation of polyamides by continuous polymerization
US3937686A (en) * 1974-01-10 1976-02-10 C/O E. I. Du Pont De Nemours & Co. Process of preparing high molecular weight polyamide with recovery of diamine and return of same to polymerization system
CA1024294A (en) * 1974-02-27 1978-01-10 Baden M. Pinney Control in preparing polyamides by continuous polymerization

Also Published As

Publication number Publication date
EP0060653A2 (en) 1982-09-22
AR226962A1 (es) 1982-08-31
JPH0145492B2 (pt) 1989-10-03
EP0060653B1 (en) 1986-01-15
EP0060653A3 (en) 1982-10-27
CA1186339A (en) 1985-04-30
DE3268475D1 (en) 1986-02-27
US4380615A (en) 1983-04-19
JPS57159817A (en) 1982-10-02

Similar Documents

Publication Publication Date Title
BR8505525A (pt) Processo de remocao de vapor eletrolito
BR7900291A (pt) Processo aperfeicoado para recuperacao hidrotermica de metal alcalino
BR8000023A (pt) Processo para amolecimento de um pano nao-tecido
BR8101765A (pt) Processo para a recuperacao de 1,3-butadieno
BR8104588A (pt) Processo para conformacao de um tubo
BR8200197A (pt) Processo para a recuperacao de um complexo de rodio
BR8407334A (pt) Processo de e unidade para recuperacao de energia perdida
BR8206136A (pt) Sistema de derivacao para turbina a vapor
NO147224C (no) Endeavslutning for en rekupert varmeveksler.
BR7902578A (pt) Processo para a recuperacao de niobio
BR8202661A (pt) Processo para a purificacao de epsiloncaprolactama
BR8601684A (pt) Processo para a limpeza de recipientes,especialmente de geradores de vapor
BR8000855A (pt) Processo para recuperacao de niquel de um material sulfetado niquelifero
BR8201076A (pt) Processo aperfeicoado para a recuperacao de vapor de diamina nao reagido
BR8207062A (pt) Processo de adsorcao por troca de pressao
BR8206726A (pt) Processo aperfeicoado para a preparacao de 1,2-dicloroetano
BR8205514A (pt) Processo para a preparacao de 1,2-dicloroetano
BR8001655A (pt) Processo de flutuacao para recuperacao de fosfatos a partir de minerios
PT81292B (pt) Processo para deposicao de estanho pelo vapor
BR8007239A (pt) Processo para a fabricacao de um fixador
BR8108303A (pt) Processo para a formacao de um involucro para um trocador de calor do tipo recuperativo
BR7900138A (pt) Processo para a recuperacao de molibdeno a partir de licores de uranio
BR8100524A (pt) Processo de fabricacao de catalisadores para reforma a vapor de hidrocarbonetos
BR8200922A (pt) Processo para a preparacao de 1,2,-dicloroetano
BR8306694A (pt) Processo para a preparacao de 1,2-dicloroetano

Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)