ES2005437A6 - Un procedimiento para purificar el agua residual resultante de la fabricacion de pulpa. - Google Patents

Un procedimiento para purificar el agua residual resultante de la fabricacion de pulpa.

Info

Publication number
ES2005437A6
ES2005437A6 ES8703198A ES8703198A ES2005437A6 ES 2005437 A6 ES2005437 A6 ES 2005437A6 ES 8703198 A ES8703198 A ES 8703198A ES 8703198 A ES8703198 A ES 8703198A ES 2005437 A6 ES2005437 A6 ES 2005437A6
Authority
ES
Spain
Prior art keywords
purificn
residual water
paper pulp
prodn
aerobic
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
ES8703198A
Other languages
English (en)
Inventor
Etienne Francoi Wilde
Broens Humbertus Wilhelmus
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.)
Knp Papier BV
Original Assignee
Knp Papier BV
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 Knp Papier BV filed Critical Knp Papier BV
Priority to ES8703198A priority Critical patent/ES2005437A6/es
Publication of ES2005437A6 publication Critical patent/ES2005437A6/es
Expired legal-status Critical Current

Links

Landscapes

  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Paper (AREA)

Abstract

SE DESCRIBE UN PROCEDIMIENTO PARA PURIFICAR AL AGUA RESIDUAL RESULTANTE DE LA FABRICACION DE PULPA QUIMICO -Y/O TERMOMECANICA, QUE CONSISTE EN SOMETER EL AGUA RESIDUAL, POR LO MENOS A LA SIGUIENTE SECUENCIA DE OPERACIONES: SEDIMENTACION DE LOS ELEMENTOS CONSTITUTIVOS MAS GRUESOS (4); REFRIGERACION (6); DESINTOXICACION (7); HIDROLISIS ANAEROBIA Y PREACIDIFICACION (10) CON ADICION DE SALES NUTRITIVAS Y REAJUSTE DEL POTENCIAL DE REDUCCION/OXIDACION; PRODUCCION DE METANO EN UN REACTOR DE METANO (11); DEPURACION AEROBIA Y SEPARACION DEL LODO BIOLOGICO (12, 13), EL CUAL SE RECICLA POR LO MENOS PARCIALMENTE HACIA LA OPERACION DE DESINTOXICACION (7) DONDE EL LODO AEROBIO TRATADO SE SEPARA ANTES DE LA OPERACION DE HIDROLISIS ANAEROBIA (10).
ES8703198A 1987-11-10 1987-11-10 Un procedimiento para purificar el agua residual resultante de la fabricacion de pulpa. Expired ES2005437A6 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES8703198A ES2005437A6 (es) 1987-11-10 1987-11-10 Un procedimiento para purificar el agua residual resultante de la fabricacion de pulpa.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8703198A ES2005437A6 (es) 1987-11-10 1987-11-10 Un procedimiento para purificar el agua residual resultante de la fabricacion de pulpa.

Publications (1)

Publication Number Publication Date
ES2005437A6 true ES2005437A6 (es) 1989-03-01

Family

ID=8253192

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8703198A Expired ES2005437A6 (es) 1987-11-10 1987-11-10 Un procedimiento para purificar el agua residual resultante de la fabricacion de pulpa.

Country Status (1)

Country Link
ES (1) ES2005437A6 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100402448C (zh) * 2006-09-27 2008-07-16 山东贵和显星纸业股份有限公司 制浆造纸废水的净化处理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100402448C (zh) * 2006-09-27 2008-07-16 山东贵和显星纸业股份有限公司 制浆造纸废水的净化处理方法

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2007-11-10

PC1A Transfer granted