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Browsing by Author "Andrew, Jerome E"

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Beneficiation of eucalyptus tree barks in the context of an integrated biorefinery – Optimisation of accelerated solvent extraction (ASE) of polyphenolic compounds using response surface methodology

Author: Andrew, Jerome E ; Masetlwa, J ; Tesfaye, T ; Sithole, Bishop B Date: Dec 2020 Bark from trees obtained from sustainably managed plantations used in the production of timber, pulp and paper is an under-utilised waste in many countries across the world. However, in the context of an integrated biorefinery, they may serve ... Read more
Beneficiation of wood sawdust into cellulose nanocrystals for application as a bio-binder in the manufacture of particleboard

Author: Fagbemi, Olajumoke D ; Andrew, Jerome E ; Sithole, Bishop B Date: Oct 2021 This study reports on the beneficiation of wood sawdust into cellulose nanocrystals (CNC) for application as a binder in the manufacture of particleboard. The cellulose nanocrystal from wood sawdust was extracted using acid hydrolysis and an ... Read more
Beneficiation opportunities for bark from South African Grown Eucalyptus grandis and Pinus patula

Author: Moodley, RS ; Andrew, Jerome E ; Sithole, Bishop B Date: Mar 2018 Bark, a major waste residue in the forestry, timber, pulp and paper industry has been shown to be a potential source of valuable chemicals. The chemical composition of bark extracted from South African plantation grown E. grandis and P. patula ... Read more
Biowaste biorefineries in South Africa: Current status, opportunities, and research and development needs

Author: Sekoa, Patrick T ; Chunilall, Viren ; Msele, K ; Buthelezi, L ; Johakimu, Jonas ; Andrew, Jerome E ; Zungu, M ; Moloantoa, K ; Maningi, N ; Habimana, O ; Swartbooi, Ashton M Date: Dec 2023 As one of the highest carbon-emitting nations, South Africa is working tirelessly to swiftly transition to sustainable technologies in order to strengthen its green economy initiatives. Amongst the technologies that are explored in the ... Read more
Characterisation of pulp and paper mill sludge for beneficiation

Author: Jele, TB ; Sithole, Bishop B ; Lekha, Prabashni ; Andrew, Jerome E Date: May 2022 In this study, three different pulp and paper mill sludge (PPMS) samples collected from different South African mills were chemically and physically characterised to investigate their suitability for various beneficiation pathways. The overall ... Read more
A comparative study of supercritical fluid extraction and accelerated solvent extraction of lipophilic compounds from lignocellulosic biomass

Author: Khanyile, AT ; Andrew, Jerome E ; Paul, V ; Sithole, Bishop B Date: May 2022 The Box-Behnken experimental design technique investigated a comparative study of supercritical fluid extraction (SFE) and accelerated solvent extraction (ASE) of lipophilic compounds from pinewood sawdust. A response surface methodology was ... Read more
Dissolving wood pulp production: a review

Author: Balkissoon, Simiksha ; Andrew, Jerome E ; Sithole, Bishop B Date: Mar 2022 Studies have elucidated that the trends in dissolving pulp markets worldwide are growing consistently and rapidly. In 2018, the global revenue generated from dissolving pulp amounted to $9.3 billion, this being a 6.50% increase from the ... Read more
Engineered transparent wood composites: A review

Author: Jele, Thabisile B ; Andrew, Jerome E ; Mathew, Maya J ; Sithole, Bruce Date: May 2023 Wood is a versatile resource due to its inherent properties such as low density, good weight to strength ratio, unique hierarchical structure, microscale pores, and ease of processing, including its biodegradability and renewability. In the ... Read more
Mechanical and shape memory properties of 3D-Printed Cellulose Nanocrystal (CNC)-reinforced polylactic acid bionanocomposites for Potential 4D applications

Author: Agbakoba, Victor C ; Hlangothi, P ; Andrew, Jerome E ; Mathew, Maya J Date: Sep 2022 There is a growing need for diversified material feedstock for 3D printing technologies such as fused deposition modelling (FDM) techniques. This has resulted in an increased drive in the research and development of eco-friendly biopolymer-based ... Read more
Sequential extraction of carbohydrates and lignin from agricultural waste and their structural characterization

Author: Mtibe, Asanda ; John, Maya J ; Andrew, Jerome E ; Mokhena, TC Date: Jul 2022 This work reports on the extraction and characterization of carbohydrates such as cellulose, cellulose nanofibres, hemicellulose, and lignin from agricultural waste, i.e. maize stalks and sugarcane bagasse. The chemical compounds were extracted ... Read more
Systematic review of WAVE water treatment design software and related technologies

Author: Roopchund, R ; Andrew, Jerome E ; Sithole, Bruce B Date: Jan 2023 The water treatment industry needs customized solutions. Despite the advancement of water treatment technologies, proposed designs must pass pilot trials before industrial implementation. Technology piloting is costly and time-consuming. Water ... Read more
Using a systematic review to develop a cellulose nanocrystals production framework for use as a design baseline and optimization tool

Author: Roopchund, R ; Andrew, Jerome E ; Sithole, B Date: Apr 2023 Various cellulose nanocrystals (CNC) production processes are not systematically reviewed. Therefore, there lacks a basis for future CNC process designs and optimizations. To solve this problem, the objective of this study was to perform a ... Read more
Using cellulose nanocrystals to improve the mechanical properties of fly ash-based geopolymer construction materials

Author: Roopchund, R ; Andrew, Jerome E ; Sithole, Bishop B Date: Jan 2022 Ordinary Portland cement production is one of the biggest emitters of carbon dioxide. Consequently, there is a strong need for construction materials with lower environmental footprints. However, the development of alternative green construction ... Read more

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Browsing by Author "Andrew, Jerome E"

Browsing by Author "Andrew, Jerome E"

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