ES2114449B1 - PROCEDURE FOR THE RECYCLING OF MUD AND SLUDGE WASTE FROM GLYCOL REGENERATION. - Google Patents

PROCEDURE FOR THE RECYCLING OF MUD AND SLUDGE WASTE FROM GLYCOL REGENERATION.

Info

Publication number
ES2114449B1
ES2114449B1 ES9501679A ES9501679A ES2114449B1 ES 2114449 B1 ES2114449 B1 ES 2114449B1 ES 9501679 A ES9501679 A ES 9501679A ES 9501679 A ES9501679 A ES 9501679A ES 2114449 B1 ES2114449 B1 ES 2114449B1
Authority
ES
Spain
Prior art keywords
recycling
phase
procedure
glycol regeneration
mud
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 - Fee Related
Application number
ES9501679A
Other languages
Spanish (es)
Other versions
ES2114449A1 (en
Inventor
Garcia Juan Soto
Gonzalez Jose Antonio Herrero
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES9501679A priority Critical patent/ES2114449B1/en
Publication of ES2114449A1 publication Critical patent/ES2114449A1/en
Application granted granted Critical
Publication of ES2114449B1 publication Critical patent/ES2114449B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

PROCEDIMIENTO PARA EL RECICLAJE DE LOS RESIDUOS DE FANGOS Y LODOS PROCEDENTES DE LA REGENERACION DE GLICOL. EL PROCEDIMIENTO COMPRENDE UNA PRIMERA FASE DE SAPONIFICACION DE LOS RESIDUOS DE FANGOS Y LODOS DE LA REGENERACION DE GLICOL CON UNA SOLUCION ALCALINA, PASANDO A CONTINUACION A UNA ETAPA DE FILTRACION Y SUCESIVAMENTE A UNA FASE DE NEUTRALIZACION CON ACIDO, DESPUES DE LO CUAL SE PROCEDE A UNA FASE DE FILTRADO Y LAVADO, OBTENIENDO EL ACIDO TEREFTALICO QUE SE SOMETE A UNA FASE DE SECADO, DESPUES DE LO CUAL PASA A UNA FASE FINAL DE TRITURADO Y ENVASADO PARA SU CONSUMO EN LA FABRICACION DE POLIETILENTEREFTALATO O BIEN PARA SU UTILIZACION COMO ACIDO TEREFTALICO. ES APLICABLE AL RECICLADO DE RESIDUOS DE REGENERACION DE GLICOL DE LA FABRICACION DE POLIESTER, EVITANDO VERTIDOS.PROCEDURE FOR THE RECYCLING OF MUD AND SLUDGE WASTE FROM GLYCOL REGENERATION. THE PROCEDURE INCLUDES A FIRST PHASE OF SAPONIFICATION OF THE SLUDGE AND SLUDGE WASTE OF THE GLYCOL REGENERATION WITH AN ALKALINE SOLUTION, GOING NEXT TO A FILTRATION STAGE AND, SUBSEQUENTLY, AFTER A PHASE OF NEUTRALIZATION WITH ACID A PHASE OF FILTERING AND WASHING, OBTAINING THE TEREFTALICO ACID THAT IS SUBMITTED TO A DRYING PHASE, AFTER WHICH IT GOES TO A FINAL PHASE OF CRUSHING AND PACKAGING FOR ITS CONSUMPTION IN THE MANUFACTURE OF POLYETHYLETHEREFTALATE OR FOR ITS USE. IT IS APPLICABLE TO THE RECYCLING OF GLYCOL REGENERATION WASTE FROM POLYESTER MANUFACTURING, AVOIDING SPILLS.

ES9501679A 1995-08-23 1995-08-23 PROCEDURE FOR THE RECYCLING OF MUD AND SLUDGE WASTE FROM GLYCOL REGENERATION. Expired - Fee Related ES2114449B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9501679A ES2114449B1 (en) 1995-08-23 1995-08-23 PROCEDURE FOR THE RECYCLING OF MUD AND SLUDGE WASTE FROM GLYCOL REGENERATION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9501679A ES2114449B1 (en) 1995-08-23 1995-08-23 PROCEDURE FOR THE RECYCLING OF MUD AND SLUDGE WASTE FROM GLYCOL REGENERATION.

Publications (2)

Publication Number Publication Date
ES2114449A1 ES2114449A1 (en) 1998-05-16
ES2114449B1 true ES2114449B1 (en) 1999-07-16

Family

ID=8291429

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9501679A Expired - Fee Related ES2114449B1 (en) 1995-08-23 1995-08-23 PROCEDURE FOR THE RECYCLING OF MUD AND SLUDGE WASTE FROM GLYCOL REGENERATION.

Country Status (1)

Country Link
ES (1) ES2114449B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544622A (en) * 1965-03-10 1970-12-01 Du Pont Alkaline saponification of polyethylene terephthalate at high temperatures using controlled amount of sodium hydroxide
US4013519A (en) * 1976-03-25 1977-03-22 Safetech, Inc. Recovery method for polyester still bottoms
FR2672049A1 (en) * 1991-01-30 1992-07-31 Benzaria Jacques PROCESS FOR THE PRODUCTION OF ALKALI OR ALKALINE EARTH METAL TEREPHTHALATE OR HIGH PURITY TEREPHILIC ACID
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester

Also Published As

Publication number Publication date
ES2114449A1 (en) 1998-05-16

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