ES437932A1 - Procedimiento para la depuracion del agua residual que se produce en la fabricacion de los plastificantes de esteres. - Google Patents

Procedimiento para la depuracion del agua residual que se produce en la fabricacion de los plastificantes de esteres.

Info

Publication number
ES437932A1
ES437932A1 ES437932A ES437932A ES437932A1 ES 437932 A1 ES437932 A1 ES 437932A1 ES 437932 A ES437932 A ES 437932A ES 437932 A ES437932 A ES 437932A ES 437932 A1 ES437932 A1 ES 437932A1
Authority
ES
Spain
Prior art keywords
polybasic carboxylic
purifying
production
carboxylic acid
waste water
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
ES437932A
Other languages
English (en)
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.)
Ruhrchemie AG
Original Assignee
Ruhrchemie AG
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 Ruhrchemie AG filed Critical Ruhrchemie AG
Publication of ES437932A1 publication Critical patent/ES437932A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/025—Thermal hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/38—Polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Removal Of Specific Substances (AREA)
ES437932A 1974-05-31 1975-05-26 Procedimiento para la depuracion del agua residual que se produce en la fabricacion de los plastificantes de esteres. Expired ES437932A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2426448A DE2426448C2 (de) 1974-05-31 1974-05-31 Verfahren zur Reinigung des bei der Herstellung von Estern entstehenden Abwassers

Publications (1)

Publication Number Publication Date
ES437932A1 true ES437932A1 (es) 1977-01-01

Family

ID=5917008

Family Applications (1)

Application Number Title Priority Date Filing Date
ES437932A Expired ES437932A1 (es) 1974-05-31 1975-05-26 Procedimiento para la depuracion del agua residual que se produce en la fabricacion de los plastificantes de esteres.

Country Status (16)

Country Link
JP (1) JPS5858337B2 (es)
AT (1) AT333671B (es)
BE (1) BE829476A (es)
BR (1) BR7503289A (es)
CA (1) CA1056738A (es)
DE (1) DE2426448C2 (es)
ES (1) ES437932A1 (es)
FR (1) FR2272956B1 (es)
GB (1) GB1467936A (es)
HU (1) HU172413B (es)
IT (1) IT1035867B (es)
NL (2) NL162616B (es)
PL (1) PL107635B1 (es)
RO (1) RO66358A (es)
SE (1) SE408788B (es)
SU (1) SU695550A3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2553840C3 (de) * 1975-11-29 1981-01-29 Bayer Ag, 5090 Leverkusen Druckhydrolytische Behandlung von Abwasser
DE2818680A1 (de) * 1978-04-27 1979-10-31 Bayer Ag Verfahren zur aufarbeitung von nitro-hydroxy-aromaten enthaltenden abwaessern

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1560683A (es) * 1968-02-26 1969-03-21

Also Published As

Publication number Publication date
FR2272956A1 (es) 1975-12-26
DE2426448C2 (de) 1984-05-17
RO66358A (fr) 1979-08-15
PL107635B1 (pl) 1980-02-29
GB1467936A (en) 1977-03-23
DE2426448B1 (de) 1975-11-20
AU8151875A (en) 1976-12-02
HU172413B (hu) 1978-08-28
CA1056738A (en) 1979-06-19
SE408788B (sv) 1979-07-09
SE7505851L (sv) 1975-12-01
BR7503289A (pt) 1976-05-25
SU695550A3 (ru) 1979-10-30
NL7505820A (nl) 1975-12-02
AT333671B (de) 1976-12-10
ATA722574A (de) 1976-03-15
FR2272956B1 (es) 1977-04-15
BE829476A (fr) 1975-11-26
NL162616C (nl)
IT1035867B (it) 1979-10-20
NL162616B (nl) 1980-01-15
JPS5858337B2 (ja) 1983-12-24
JPS514117A (en) 1976-01-14

Similar Documents

Publication Publication Date Title
ES437932A1 (es) Procedimiento para la depuracion del agua residual que se produce en la fabricacion de los plastificantes de esteres.
GB948687A (en) Process for producing acrylic acid and acrylic acid methyl ester
ES429924A1 (es) Procedimiento de tratamiento de las aguas residuales de la fabricacion de los esteres ftalicos.
GB1424370A (en) Manufacture of dicarboxylic acid diesters with substantial waste water purification
DK0524985T3 (da) Fremgangsmåde til katalysatorgenvinding
SU126421A1 (ru) Способ получени диметилового эфира терефталевой кислоты
GB957679A (en) Process for the esterification of carboxylic acids
ES448524A1 (es) Un proceso para la produccion de acido m-benzoil-hidratropi-co.
ES224974A1 (es) PROCEDIMIENTO DE OBTENCIoN DE TEREFTALATO DIMETiLICO DE ELEVADA PUREZA
GB1155589A (en) Improved process for the production of Terephthalic Acid
JPS5484516A (en) Production of oxalic diester
ES402121A1 (es) Procedimiento para la purificacion de esteres de alto pun-to de abullicion.
GB1026933A (en) Improvements in the production of benzene carboxylic acids
SU101201A1 (ru) Способ получени летучих жирных кислот
GB844684A (en) Improvements relating to the esterification of pyridine carboxylic acids
ES444994A1 (es) Procedimiento para la obtencion de esteres laquenilicos de acidos carboxilicos.
GB828658A (en) Production of ethyl acrylate
ES390313A1 (es) Procedimiento para la produccion de esteres metilicos del acido tereftalico.
SU555089A1 (ru) Способ получени бис-( -оксиэтил)терефталата
ES237203A1 (es) Procedimiento de obtenciën de acido ortoftalico.
ES390387A3 (es) Un procedimiento para la esterificacion del acido terefta- lico.
JPS5559156A (en) Recovery of organic acid as by-product
ES419592A1 (es) Un procedimiento para preparar esteres acrilicos o esteres metacrilicos.
ES409540A3 (es) Un procedimiento para la preparacion de esteres dialcohili-cos del acido tereftalico.
ES403479A1 (es) Procedimiento para la preparacion de tereftalato monometi- lico.

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001