Greener routes to biomass waste valorization: Lignin transformation through electrocatalysis for renewable chemicals and fuels production

M Garedew, F Lin, B Song, TM DeWinter… - …, 2020 - Wiley Online Library
Lignin valorization is essential for biorefineries to produce fuels and chemicals for a
sustainable future. Today's biorefineries pursue profitable value propositions for cellulose …

A review on photocatalytic remediation of environmental pollutants and H2 production through water splitting: a sustainable approach

K Ahmad, HR Ghatak, SM Ahuja - Environmental Technology & Innovation, 2020 - Elsevier
Rapid urbanization, industrialization, and economic growth has brought in its wake
environmental degradation and concern for energy security. Recalcitrant organic pollutants …

Lignin recovery from spent alkaline pulping liquors using acidification, membrane separation, and related processing steps: A review

MA Hubbe, R Alén, M Paleologou, M Kannangara… - BioResources, 2019 - jyx.jyu.fi
The separation of lignin from the black liquor generated during alkaline pulping is reviewed
in this article with an emphasis on chemistry. Based on published accounts, the precipitation …

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 …

Advanced oxidation processes for the treatment of biorecalcitrant organics in wastewater

HR Ghatak - Critical Reviews in Environmental Science and …, 2014 - Taylor & Francis
Biorecalcitrant organic pollutants pose a threat to the aquatic environment due to their
several detrimental traits. A host of industries as well as municipal facilities are liable to …

Electrochemical conversion of lignin to useful chemicals

O Movil-Cabrera, A Rodriguez-Silva… - Biomass and …, 2016 - Elsevier
Electrochemical conversion of waste lignin from pulping mills and biorefineries is an
alternative renewable process for generating industrial chemicals that may afford better …

Efficient extraction of lignin from black liquor via a novel membrane-assisted electrochemical approach

W Jin, R Tolba, J Wen, K Li, A Chen - Electrochimica Acta, 2013 - Elsevier
A novel membrane-assisted electrochemical approach for the precipitation of lignin from
black liquor has been developed. Without the addition of acid or CO 2, the pH in the black …

Non-precious metal nanoparticle electrocatalysts for electrochemical modification of lignin for low-energy and cost-effective production of hydrogen

O Movil, M Garlock, JA Staser - International Journal of Hydrogen Energy, 2015 - Elsevier
The electrochemical oxidation of lignin waste from pulping mills and biorefineries represents
a potentially renewable process for generating hydrogen for energy storage with co …

Partial recovery of aliphatic carboxylic acids and sodium hydroxide from hardwood black liquor by electrodialysis

H Kumar, R Alén - Industrial & Engineering Chemistry Research, 2014 - ACS Publications
The partial recovery of sodium as NaOH and sodium-free aliphatic carboxylic acids (formic
and acetic acids together with various hydroxy carboxylic acids) from alkaline hardwood …

Simulated process integration of wastewater electrooxidation with recuperated micro gas turbine for energy recovery

HR Ghatak - International Journal of Hydrogen Energy, 2020 - Elsevier
Electrooxidation (EO) is a promising wastewater treatment technology that is plagued with
high energy consumption. This study simulates the energy recovery potential from EO by …