FI20245265A1 - Förfarande och anordning för framställning av metanol från svartlut - Google Patents

Förfarande och anordning för framställning av metanol från svartlut Download PDF

Info

Publication number
FI20245265A1
FI20245265A1 FI20245265A FI20245265A FI20245265A1 FI 20245265 A1 FI20245265 A1 FI 20245265A1 FI 20245265 A FI20245265 A FI 20245265A FI 20245265 A FI20245265 A FI 20245265A FI 20245265 A1 FI20245265 A1 FI 20245265A1
Authority
FI
Finland
Prior art keywords
reactor
methanol
preconditioning
line
black liquor
Prior art date
Application number
FI20245265A
Other languages
English (en)
Finnish (fi)
Inventor
Naveen Chenna
Otto Greis
Pekka Tervola
Aino Pesola
Original Assignee
Andritz Oy
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 Andritz Oy filed Critical Andritz Oy
Priority to FI20245265A priority Critical patent/FI20245265A1/sv
Publication of FI20245265A1 publication Critical patent/FI20245265A1/sv

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0057Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02Monohydroxylic acyclic alcohols
    • C07C31/04Methanol
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028Effluents derived from the washing or bleaching plants
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/06Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
FI20245265A 2021-11-18 2021-11-18 Förfarande och anordning för framställning av metanol från svartlut FI20245265A1 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20245265A FI20245265A1 (sv) 2021-11-18 2021-11-18 Förfarande och anordning för framställning av metanol från svartlut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20245265A FI20245265A1 (sv) 2021-11-18 2021-11-18 Förfarande och anordning för framställning av metanol från svartlut

Publications (1)

Publication Number Publication Date
FI20245265A1 true FI20245265A1 (sv) 2024-03-05

Family

ID=90623437

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20245265A FI20245265A1 (sv) 2021-11-18 2021-11-18 Förfarande och anordning för framställning av metanol från svartlut

Country Status (1)

Country Link
FI (1) FI20245265A1 (sv)

Similar Documents

Publication Publication Date Title
US4025423A (en) Process for removing monohydric and polyhydric phenols from waste water
EP3166954B1 (en) Methods for separating and refining lignin from black liquor and compositions thereof
US4847422A (en) Method for the production of vanillin
EP3010877A1 (en) Method for producing bio-methanol at pulp mills
US8440159B2 (en) Method for extracting ammonium salt and methanol from a liquid obtained from foul condensates in a cellulose pulp mill
FI20245265A1 (sv) Förfarande och anordning för framställning av metanol från svartlut
CA3235301A1 (en) A process and an apparatus for producing methanol from black liquor
EP0670000B1 (en) Method for acidification of soap with sodium bisulphite solution
US20050087315A1 (en) Low consistency oxygen delignification process
US5989394A (en) Process for treatment of a contaminated liquid
WO2017191364A1 (en) Method and system
US4135967A (en) Process for producing cellulose pulp by solid phase digestion
CA3235309A1 (en) A process and apparatus for producing methanol
AU2022389653A1 (en) A modified air stripping process and apparatus
US8152956B2 (en) Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production
EP0022841B1 (en) Black-liquor processing
CN109534959A (zh) 一种利用二氧化碳分解酚钠盐的方法
NO144236B (no) Veske, saerlig skoleveske.
WO1999037853A1 (en) Method for processing of alkaline condensate emanating from the manufacture of cellulose pulp
CA3193119A1 (en) Process for separating lignin from black liquor
CN1209481A (zh) 无废液排放的制纸浆方法