ES8708208A1 - Procedimiento para la preparacion de cristales de acrilamida - Google Patents

Procedimiento para la preparacion de cristales de acrilamida

Info

Publication number
ES8708208A1
ES8708208A1 ES554281A ES554281A ES8708208A1 ES 8708208 A1 ES8708208 A1 ES 8708208A1 ES 554281 A ES554281 A ES 554281A ES 554281 A ES554281 A ES 554281A ES 8708208 A1 ES8708208 A1 ES 8708208A1
Authority
ES
Spain
Prior art keywords
acrylamide solution
aqueous acrylamide
procedure
preparation
coolers
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.)
Expired
Application number
ES554281A
Other languages
English (en)
Other versions
ES554281A0 (es
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of ES8708208A1 publication Critical patent/ES8708208A1/es
Publication of ES554281A0 publication Critical patent/ES554281A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/22—Separation; Purification; Stabilisation; Use of additives
    • C07C231/24—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides
    • C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
    • C07C233/09—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE CRISTALES DE ACRILAMIDA. CONSISTE EN HACER FLUIR A LA SOLUCION ACUOSA DE ACRILAMIDA Y AL REFRIGERANTE, EN EL INTERIOR Y EN EL EXTERIOR DE UN INTERCAMBIADOR TERMICO CONFORMADO EN DOBLE PARED O DEL TIPO DE CARCASA Y TUBO, EQUIPADO CON UNO O VARIOS TUBOS REFRIGERADORES INOXIDABLES, CON SUS PAREDES INTERIORES PULIDAS ELECTROLITICAMENTE, EN LAS SIGUIENTES CONDICIONES: A) CONCENTRACION DE LA SOLUCION ACUOSA DE ACRILAMIDA ENTRE UN 40-60 POR CIENTO DE PESO; B) TEMPERATURA DE LA SOLUCION ACUOSA DE ACRILAMIDA EN LA ENTRADA DEL INTERCAMBIADOR TERMICO ENTRE -2GC Y +10GC; C) VELOCIDAD DE FLUJO DE LA SOLUCION ACUOSA DE ACRILAMIDA A TRAVES DE CADA TUBO REFRIGERADOR ENTRE 0,3 Y 6 M/SEG; D) TEMPERATURA DEL REFRIGERANTE A LA ENTRADA DEL INTERCAMBIADOR TERMICO ENTRE -5GC Y +8GC; E) REGIMEN DE FLUJO DEL REFRIGERANTE LAMINAR.
ES554281A 1985-04-24 1986-04-23 Procedimiento para la preparacion de cristales de acrilamida Expired ES8708208A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8659185 1985-04-24

Publications (2)

Publication Number Publication Date
ES8708208A1 true ES8708208A1 (es) 1987-11-01
ES554281A0 ES554281A0 (es) 1987-11-01

Family

ID=13891249

Family Applications (1)

Application Number Title Priority Date Filing Date
ES554281A Expired ES8708208A1 (es) 1985-04-24 1986-04-23 Procedimiento para la preparacion de cristales de acrilamida

Country Status (5)

Country Link
JP (1) JPS6236346A (es)
KR (1) KR890002924B1 (es)
BR (1) BR8601844A (es)
ES (1) ES8708208A1 (es)
ZA (1) ZA862861B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10015014A1 (de) * 2000-03-27 2001-10-04 Bayer Ag Verfahren zur Herstellung von Bisphenolen
CN102786430A (zh) * 2012-07-20 2012-11-21 江苏南天农科化工有限公司 一种气升式搅拌应用于丙烯酰胺的结晶工艺

Also Published As

Publication number Publication date
ES554281A0 (es) 1987-11-01
KR860008223A (ko) 1986-11-14
JPH046702B2 (es) 1992-02-06
BR8601844A (pt) 1986-12-23
ZA862861B (en) 1986-12-30
KR890002924B1 (ko) 1989-08-12
JPS6236346A (ja) 1987-02-17

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Legal Events

Date Code Title Description
PC1A Transfer granted