Biorefineries from the perspective of sustainability: Feedstocks, products, and processes

HR Ghatak - Renewable and Sustainable Energy Reviews, 2011 - Elsevier
Today, sustainability is the buzzword in the developmental parlance. This has brought the
issue of availability and utilization of energy into sharp focus. There is an urgent need to find …

Dissolved and colloidal substances (DCS) and the charge demand of papermaking process waters and suspensions: A review

MA Hubbe, A Sundberg, P Mocchiutti, Y Ni, R Pelton - 2012 - ri.conicet.gov.ar
Dissolved and colloidal substances (DCS) in the process waters of paper machine systems
can interfere with the retention of fine particles, retard the drainage of water from the wet …

Electrolysis of black liquor for hydrogen production: Some initial findings

HR Ghatak - International journal of hydrogen energy, 2006 - Elsevier
Electrolysis of black liquor, an effluent from paper industry, was carried out and compared
with alkaline water electrolysis. Energy efficiency in terms of HHV of hydrogen was found in …

Description of kraft cooking and oxygen–alkali delignification of bamboo by pulp and dissolving material analysis

M Salmela, R Alén, MTH Vu - Industrial crops and products, 2008 - Elsevier
The oxygen delignification of two bamboo (Bambusa procera) kraft pulps with kappa
numbers of 13.6 and 20.0 were studied under typical conditions. Based on detailed analysis …

Electrode processes in black liquor electrolysis and their significance for hydrogen production

HR Ghatak, S Kumar, PP Kundu - International journal of hydrogen energy, 2008 - Elsevier
Cathodic hydrogen evolution reaction and the reactions at the anodic counter electrode
have been studied for black liquor electrolysis using standard electrochemical methods …

Optimization of pulp production from groundnut shells using chemical pulping at low temperatures

P Musekiwa, LB Moyo, TA Mamvura, G Danha… - Heliyon, 2020 - cell.com
Paper production through chemical pulping has been identified as one of the ideal avenues
of exploring the uses of groundnut shells as they are rich in cellulose. Ideally, the cellulose …

Molecular mass distribution of lignin from the alkaline pulping of hardwood, softwood, and wheat straw

H Pakkanen, R Alén - Journal of Wood Chemistry and Technology, 2012 - Taylor & Francis
The behavior of lignin during kraft (hardwood, softwood, and wheat straw) and soda-AQ
(wheat straw) pulping was studied, mainly in terms of delignification degree and molecular …

[PDF][PDF] Hemicelluloses extraction from giant bamboo prior to kraft and soda AQ pulping to produce paper pulps, value-added biopolymers and bioethanol

PF Vena, JF Görgens, T Rypstra - Cellulose Chemistry & …, 2010 - cellulosechemtechnol.ro
Hemicelluloses were pre-extracted from giant bamboo with dilute H2SO4 prior to Kraft and
soda AQ pulping. The reaction conditions were selected to convert most of the …

Organic materials in black liquors of soda-AQ pulping of hot-water-extracted birch (Betula pendula) sawdust

J Lehto, R Alén - Holzforschung, 2015 - degruyter.com
The chemical composition of black liquors obtained from the soda-AQ pulping of birch
(Betula pendula) sawdust was studied as a function of cooking time, effective alkali content …

Bamboo: Analyzing the potential of bamboo feedstock for the biobased economy

RP Poppens, JEG Van Dam, HW Elbersen - 2013 - library.wur.nl
Bamboos are a large group of rapidly growing woody grasses, that can be sustainably
managed in short-cycled harvesting schemes in many parts of the world. Bamboo stands …