Green is the new black–a review of technologies for carboxylic acid recovery from black liquor

L Reyes, C Nikitine, L Vilcocq, P Fongarland - Green Chemistry, 2020 - pubs.rsc.org
Carboxylic acids are one of the most important building blocks and feedstocks for fine
chemicals, flavors and polymers, yet their production largely relies on petrochemical …

Membranes for Kraft black liquor concentration and chemical recovery: Current progress, challenges, and opportunities

NS Kevlich, ML Shofner, S Nair - Separation Science and …, 2017 - Taylor & Francis
Membranes can significantly reduce energy consumption during concentration of black
liquor (BL) in the Kraft papermaking process, but the harsh conditions (pH~ 12, 80° C–95° …

Alkaline pretreatment of corn stover: bench-scale fractionation and stream characterization

EM Karp, BS Donohoe, MH O'Brien… - ACS Sustainable …, 2014 - ACS Publications
Biomass pretreatment generally aims to increase accessibility to plant cell wall
polysaccharides for carbohydrate-active enzymes to produce sugars for biological or …

Pulp mills and wood-based biorefineries

R Alén - Industrial biorefineries & white biotechnology, 2015 - Elsevier
The pulp and paper industry is facing major challenges and will need to find more versatile
products to remain competitive. Large amounts of both solid and liquid residues are formed …

Characterisation of the wet oxidation of black liquor for its integration in Kraft paper mills

L Pola, S Collado, P Oulego, PÁ Calvo… - Chemical Engineering …, 2021 - Elsevier
As a mandatory first step to assess the implementation of wet oxidation in the current
approach of paper mills as biorefineries, this paper discusses for the first time ever the effect …

Ion exchange separation for recovery of monosaccharides, organic acids and phenolic compounds from hydrolysates of lignocellulosic biomass

K Chen, S Hao, H Lyu, G Luo, S Zhang… - Separation and Purification …, 2017 - Elsevier
This paper describes two effective ion exchange chromatography processes to separate and
recover monosaccharides, organic acids and phenolic compounds from two kinds of …

Biorefinery process combining Specel® process and selective lignin precipitation using mineral acids

J Domínguez-Robles, E Espinosa, D Savy, A Rosal… - 2016 - helvia.uco.es
Soda black liquors from the Specel® process, which used wheat straw as the raw material,
were subjected to an acid precipitation process to recover the lignin. Lignin was isolated by …

Recovery and Enrichment of Organic Acids from Kraft Black Liquor by Simulated Moving Bed Adsorption

Q Fu, M Avendano, JA Bentley, Q Tran… - ACS Sustainable …, 2024 - ACS Publications
The C1–C6 organic acid fraction of kraft black liquor has potential as a valuable and high-
volume biomass-derived molecular feedstock for the production of chemicals and materials …

Separation phenomena in UF and NF in the recovery of organic acids from kraft black liquor

M Mänttäri, J Lahti, H Hatakka… - Journal of Membrane …, 2015 - Elsevier
The black liquor from the kraft pulping process is a potential source of organic acids (eg
hydroxy acids) which could have applications as a raw material for biodegradable polymers …

Recovery of organic acids from pre-treated Kraft black liquor using ultrafiltration and liquid-liquid extraction

D Núñez, P Oulego, S Collado, FA Riera… - Separation and …, 2022 - Elsevier
Kraft black liquor (BL) is a toxic residue from paper manufacture that can be revalorized to
obtain high value-added products. In this study, different integrated processes, consisting of …