BR7019207D0 - Processo de purificacao de acido lactico - Google Patents

Processo de purificacao de acido lactico

Info

Publication number
BR7019207D0
BR7019207D0 BR219207/70A BR21920770A BR7019207D0 BR 7019207 D0 BR7019207 D0 BR 7019207D0 BR 219207/70 A BR219207/70 A BR 219207/70A BR 21920770 A BR21920770 A BR 21920770A BR 7019207 D0 BR7019207 D0 BR 7019207D0
Authority
BR
Brazil
Prior art keywords
lactic acid
purification process
acid purification
lactic
purification
Prior art date
Application number
BR219207/70A
Other languages
English (en)
Inventor
G Chaintron
Original Assignee
Rhone Poulenc Sa
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 Rhone Poulenc Sa filed Critical Rhone Poulenc Sa
Publication of BR7019207D0 publication Critical patent/BR7019207D0/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
    • C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
BR219207/70A 1969-05-23 1970-05-21 Processo de purificacao de acido lactico BR7019207D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6916915A FR2044526A5 (pt) 1969-05-23 1969-05-23

Publications (1)

Publication Number Publication Date
BR7019207D0 true BR7019207D0 (pt) 1973-01-04

Family

ID=9034533

Family Applications (1)

Application Number Title Priority Date Filing Date
BR219207/70A BR7019207D0 (pt) 1969-05-23 1970-05-21 Processo de purificacao de acido lactico

Country Status (13)

Country Link
US (1) US3716584A (pt)
JP (1) JPS5035058B1 (pt)
BE (1) BE750844A (pt)
BR (1) BR7019207D0 (pt)
CA (1) CA923505A (pt)
CH (1) CH500933A (pt)
DE (1) DE2025052A1 (pt)
ES (1) ES379970A1 (pt)
FR (1) FR2044526A5 (pt)
GB (1) GB1265595A (pt)
LU (1) LU60963A1 (pt)
NL (1) NL140862B (pt)
SE (1) SE371432B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19632924A1 (de) * 1996-08-16 1998-02-19 Bayer Ag Verfahren zur Isolierung von Hydroxypivalinsäure aus wäßriger Lösung
US6111137A (en) * 1996-12-20 2000-08-29 Mitsui Chemicals, Inc. Purification process of lactic acid
JP3880175B2 (ja) * 1996-12-20 2007-02-14 三井化学株式会社 乳酸の精製方法
US20050209328A1 (en) * 2004-03-19 2005-09-22 Allgood Charles C Alphahydroxyacids with ultra-low metal concentration

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US924494A (en) * 1907-11-25 1909-06-08 Chem Fab Florsheim Dr H Noerdlinger Process of preparing pure lactic acid.
GB907322A (en) * 1958-07-10 1962-10-03 Bowmans Chemicals Ltd Purification and esterification of lactic acid

Also Published As

Publication number Publication date
US3716584A (en) 1973-02-13
GB1265595A (pt) 1972-03-01
BE750844A (fr) 1970-11-23
CH500933A (fr) 1970-12-31
LU60963A1 (pt) 1971-06-29
CA923505A (en) 1973-03-27
ES379970A1 (es) 1972-09-01
DE2025052A1 (de) 1970-12-10
FR2044526A5 (pt) 1971-02-19
NL140862B (nl) 1974-01-15
NL7007134A (pt) 1970-11-25
JPS5035058B1 (pt) 1975-11-13
SE371432B (pt) 1974-11-18

Similar Documents

Publication Publication Date Title
BR6913966D0 (pt) Processo de filtracao
BR7208032D0 (pt) Processo de purificacao de acrilonitrila
BR6905361D0 (pt) Processo para fabricacao de acido lavandulico
BR6914566D0 (pt) Processo de oxilacao
BR7017552D0 (pt) Processo de producao de acido cianurico
BR7405932D0 (pt) Processo de purificacao de acido fosforico
CH502293A (fr) Procédé de purification de l'acide lactique
AT317850B (de) Kontinuierliches Kristallisationsverfahren
BR7017778D0 (pt) Processo para preparar novos cristais de acidos modificados
BR7019663D0 (pt) Processo de purificacao de acido itaconico por osmose reversa
BR7019207D0 (pt) Processo de purificacao de acido lactico
BR6908904D0 (pt) Processo de preparacao de acido acrilico
BE747440A (fr) Procede de purification de melanges
BR7400251D0 (pt) Aperfeicoamento em processo de purificacao de acido fosforico
BR7208557D0 (pt) Processo de purificacao de tiolcarbamatos
IT995298B (it) Processo per la separazione di acido cianidrico
BR6909284D0 (pt) Processo de producao de acido nitrico
BR6906663D0 (pt) Processo de preparacao de acido-4-amino-metil-cubano-1-carboxilico
BR6914958D0 (pt) Processo aperfeicoado para a preparacao de acido 7-aminocelosporanico
BR6915195D0 (pt) Processo para a preparacao de anilidas de acidos 3-acilgama-resorcilicos
IT1049258B (it) Processo di produzione di acido citrico per fermentazione
BE757274A (fr) Procede de production d'uree
BR6913142D0 (pt) Processo de obtencao de acido epsilon-hidroxicaproico
BR7016515D0 (pt) Processo de preparacao de dehidrolinalol
BR6915082D0 (pt) Processo de preparacao de benzil-pirimidinas