Recent developments towards performance-enhancing lignin-based polymers

GF Bass, TH Epps - Polymer Chemistry, 2021 - pubs.rsc.org
Fossil fuels are a cheap and abundant feedstock for polymeric materials that have enabled
innumerable quality-of-life improvements. Yet, their declining supply and non-renewable …

Cationic kraft lignin-acrylamide copolymer as a flocculant for clay suspensions:(2) Charge density effect

A Hasan, P Fatehi - Separation and Purification Technology, 2019 - Elsevier
Kraft lignin valorization is achievable via making it soluble in water for treating wastewater
effluents. In this paper, acrylamide (AM),(2-methacryloyloxyethyl) trimethyl ammonium …

Cationic kraft lignin-acrylamide as a flocculant for clay suspensions: 1. Molecular weight effect

A Hasan, P Fatehi - Separation and Purification Technology, 2018 - Elsevier
Currently, kraft lignin is burned in the recovery cycle of the kraft pul** process; despite its
high potential to be extracted and converted into value-added products. In this work, kraft …

Stability of kaolin dispersion in the presence of lignin-acrylamide polymer

A Hasan, P Fatehi - Applied Clay Science, 2018 - Elsevier
Dispersion of kaolin in aqueous systems is important in many industries including ceramics,
chemicals, pharmaceuticals and paints. In this work, kraft lignin-acrylamide (KAM) polymers …

Activated carbon induced hydrothermal carbonization for the treatment of cotton pulp black liquor

X Liu, J Lu, M Fu, H Zheng, Q Chen - Journal of Water Process Engineering, 2022 - Elsevier
Powdered activated carbon (PAC) was introduced into hydrothermal carbonization (HTC) as
a catalyst for treatment of cotton pulp black liquor (CPBL) in the present work. The influence …

Cationic xylan–METAC copolymer as a flocculant for clay suspensions

S Wang, MKR Konduri, Q Hou, P Fatehi - RSC advances, 2016 - pubs.rsc.org
The work presented herein focused on the flocculation of kaolin and bentonite clay
suspensions using cationic copolymerized xylan under controlled conditions. Cationic xylan …

Fractionation of acids, ketones and aldehydes from alkaline lignin oxidation solution with SP700 resin

ED Gomes, MI Mota, AE Rodrigues - Separation and Purification …, 2018 - Elsevier
The separation of the products from the alkaline oxidative depolymerization of lignin is
currently very laborious, generally, requiring several steps of solvent extraction and …

PDADMAC as a flocculant for lignosulfonate of NSSC pul** process

F Oveissi, T Sitter, P Fatehi - Biotechnology Progress, 2016 - Wiley Online Library
The spent liquor (SL) of neutral sulfite semi‐chemical (NSSC) pul** process contains
about 8 wt% lignocelluloses that can be extracted and used in the production of value …

Characterization of four different lignins as a first step toward the identification of suitable end‐use applications

F Oveissi, P Fatehi - Journal of Applied Polymer Science, 2015 - Wiley Online Library
To determine the most appropriate use of lignin, surface, structural, and thermal
characteristics of lignin was investigated in this work. It was observed that kraft lignin (KL) …

[HTML][HTML] Supported ionic liquid membranes for separation of lignin aqueous solutions

R Abejón, J Rabadán, S Lanza, A Abejón, A Garea… - Processes, 2018 - mdpi.com
Lignin valorization is a key aspect to design sustainable management systems for
lignocellulosic biomass. The successful implementation of bio-refineries requires high value …