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Influence of pressure on pyrolysis of black liquor: 1. Swelling.

Abstract：

:This is the first of two papers concerning the behavior of black liquor during pyrolysis under pressurized conditions. Two industrial kraft liquors were pyrolyzed in a laboratory-scale pressurized single particle reactor and a pressurized grid heater at temperatures ranging from 650 to 1100 degrees C and at pressures between 1 and 20 bar. The dimensions of the chars produced were measured and the specific swollen volume was calculated. Swelling decreased roughly logarithmically over the pressure range 1-20 r. An expression is developed to predict the specific swollen volume at elevated pressure when the volume at 1 bar is known. The bulk density of the char increased with pressure, indicating that liquors will be entrained less easily at higher pressures.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Whitty K,Backman R,Hupa M

doi

10.1016/j.biortech.2006.11.065

subject

Has Abstract

pub_date

2008-02-01 00:00:00

pages

663-70

issue

3

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(07)00053-3

journal_volume

99

pub_type

杂志文章

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