RO84858B - Procedeu pentru concentrarea solutiilor apoase de glicoli - Google Patents

Procedeu pentru concentrarea solutiilor apoase de glicoli

Info

Publication number
RO84858B
RO84858B RO105186A RO10518681A RO84858B RO 84858 B RO84858 B RO 84858B RO 105186 A RO105186 A RO 105186A RO 10518681 A RO10518681 A RO 10518681A RO 84858 B RO84858 B RO 84858B
Authority
RO
Romania
Prior art keywords
glycol solutions
aqueous glycol
concentrating aqueous
concentrating
pressure
Prior art date
Application number
RO105186A
Other languages
English (en)
Romanian (ro)
Other versions
RO84858A (ro
Inventor
Vincenzo Lagana
Virginio Cavallanti
Original Assignee
Snamprogetti S.P.A.
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 Snamprogetti S.P.A. filed Critical Snamprogetti S.P.A.
Publication of RO84858A publication Critical patent/RO84858A/ro
Publication of RO84858B publication Critical patent/RO84858B/ro

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/26Multiple-effect evaporating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
RO105186A 1980-08-29 1981-08-28 Procedeu pentru concentrarea solutiilor apoase de glicoli RO84858B (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24359/80A IT1141032B (it) 1980-08-29 1980-08-29 Processo per la concentrazione di soluzioni acquose di glicoli

Publications (2)

Publication Number Publication Date
RO84858A RO84858A (ro) 1984-08-17
RO84858B true RO84858B (ro) 1984-09-30

Family

ID=11213254

Family Applications (1)

Application Number Title Priority Date Filing Date
RO105186A RO84858B (ro) 1980-08-29 1981-08-28 Procedeu pentru concentrarea solutiilor apoase de glicoli

Country Status (30)

Country Link
JP (1) JPS5771601A (it)
AU (1) AU547944B2 (it)
BE (1) BE890099A (it)
BR (1) BR8105218A (it)
CH (1) CH649276A5 (it)
CS (1) CS249509B2 (it)
DE (1) DE3133803C2 (it)
DK (1) DK368181A (it)
EG (1) EG15378A (it)
ES (1) ES505483A0 (it)
FR (1) FR2489305A1 (it)
GB (1) GB2084885B (it)
GR (1) GR74621B (it)
HU (1) HU180662B (it)
IL (1) IL63559A (it)
IN (1) IN156040B (it)
IT (1) IT1141032B (it)
LU (1) LU83567A1 (it)
MW (1) MW3381A1 (it)
NL (1) NL8104012A (it)
NO (1) NO812857L (it)
PL (1) PL232759A1 (it)
PT (1) PT73596B (it)
RO (1) RO84858B (it)
SE (1) SE8105106L (it)
TR (1) TR21214A (it)
YU (1) YU194881A (it)
ZA (1) ZA815328B (it)
ZM (1) ZM7281A1 (it)
ZW (1) ZW19181A1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030331A1 (de) * 1990-09-25 1992-03-26 Beister Heinz J Dr Verfahren und vorrichtung zur entsorgung von glykolhaltigen betriebsfluessigkeiten
CA2076341A1 (en) * 1991-08-28 1993-03-01 Carl L. Elmore Vertical tower evaporation utilizing dimpled plates
DE29503589U1 (de) * 1995-03-03 1995-04-27 Balcke Duerr Ag Verdampfer
US6023003A (en) * 1998-01-13 2000-02-08 Reading & Bates Development Co. Process and system for recovering glycol from glycol/brine streams
FR2846323B1 (fr) * 2002-10-28 2004-12-10 Inst Francais Du Petrole Procede de regeneration d'une solution aqueuse de glycol contenant des sels
DK180765B1 (en) 2018-08-20 2022-03-01 Spx Flow Tech Danmark A/S Udviklingsafdeling Falling film tubular evaporator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3820582A (en) * 1970-12-14 1974-06-28 Rosenlew Ab Metallind O Device for evaporation of liquids
JPS5237992B2 (it) * 1972-02-25 1977-09-26
GB1561230A (en) * 1976-02-23 1980-02-13 Sankio Chemical Co Ltd Aminothiofluoran compounds process for the production thereof and recording elements containing the same

Also Published As

Publication number Publication date
ES8306468A1 (es) 1983-06-01
NO812857L (no) 1982-03-01
PL232759A1 (it) 1982-03-15
IL63559A (en) 1984-10-31
DE3133803A1 (de) 1982-03-25
PT73596B (en) 1982-11-10
IT1141032B (it) 1986-10-01
GR74621B (it) 1984-06-29
FR2489305B1 (it) 1984-12-28
MW3381A1 (en) 1983-01-12
ZA815328B (en) 1982-07-28
GB2084885B (en) 1984-06-06
IL63559A0 (en) 1981-11-30
ZM7281A1 (en) 1981-12-21
IT8024359A0 (it) 1980-08-29
AU547944B2 (en) 1985-11-14
NL8104012A (nl) 1982-03-16
SE8105106L (sv) 1982-03-01
YU194881A (en) 1983-10-31
IN156040B (it) 1985-04-27
LU83567A1 (fr) 1982-04-14
JPS5771601A (en) 1982-05-04
CH649276A5 (it) 1985-05-15
DK368181A (da) 1982-03-01
ES505483A0 (es) 1983-06-01
DE3133803C2 (de) 1985-12-05
TR21214A (tr) 1984-01-02
AU7406681A (en) 1982-03-04
ZW19181A1 (en) 1982-02-10
PT73596A (en) 1981-09-01
GB2084885A (en) 1982-04-21
HU180662B (en) 1983-04-29
CS249509B2 (en) 1987-03-12
EG15378A (en) 1986-12-30
FR2489305A1 (fr) 1982-03-05
RO84858A (ro) 1984-08-17
BR8105218A (pt) 1982-04-27
BE890099A (fr) 1982-02-26

Similar Documents

Publication Publication Date Title
IN157071B (it)
ZA802477B (en) Process for purifying urea-containing waste water and process for preparing melamine
ES484767A1 (es) Un metodo de fraccionar mezclas destilables
RO85109B (ro) PROCEDEU PENTRU îNDEPARTAREA GAZELOR ACIDE SI A AMONIACULUI DIN SOLUTIE APOASA
KR830007109A (ko) 요소, 암모니아, 이산화탄소를 함유한 묽은 수용액으로 부터요소, 암모니아, 이산화탄소를 제거하는 방법
JPS5268129A (en) Recovery of unreacted material and heat on urea synthesis
ES430284A1 (es) Procedimiento para la fabricacion de isopreno.
ES484533A1 (es) Procedimiento perfeccionado de absorcion e intercambio de calor
GB1386931A (en) Process and apparatus for purifying sea-water
ES8101545A1 (es) Procedimiento perfeccionado de tratamiento suplementario de urea.
ZA864404B (en) Process of recovering ammonia from an aqueous effluent which contains nh3,co2 and h2s
GB1474465A (en) Method of recovering sulphur dioxide
EP0149413A3 (en) Method and apparatus for refrigeration
GB1247951A (en) Process for preparing melamine from urea
BR8207103A (pt) Processo para a separacao do ar por meio de retificacao
FR2250708A1 (en) Sea water distillation system - by moistening air in counterflow with preheated water and collecting cooled condensate
ES443998A1 (es) Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
ES8506299A1 (es) Procedimiento y dispositivo para concentrar soluciones acuosas de oxido de etileno.
GB1115592A (en) Process for liberating acrylamide from acrylamide sulphate
SE8601904D0 (sv) Sett att atervinna verme och kemikalier ur avlut
GB1130513A (en) Production of trioxane
GB1148991A (en) Process for synthesising urea
GB1313241A (en) Process for the production of tetronic acid
FR2560590B1 (fr) Procede de fabrication de perborate de sodium monohydrate a partir de perborate de sodium tetrahydrate
GB1456101A (en) Process for dehydrating aqueous solutions of maleic acid to maleic anhydride