ResearchSpace
→
Browsing by Author

Browsing by Author "Sithole, Bishop B"

Now showing items 41-60 of 79

Possible beneficiation of waste chicken feathers via conversion into biomedical applications

Author: Khumalo, M ; Tesfaye, T ; Sithole, Bishop B ; Ramjugernath, D Date: Jan 2019 Keratin-based waste materials such as wool and waste chicken feathers are driving investigations to beneficiate them. The poultry industry in South Africa generates about 230 million kg of waste chicken feathers per annum, which makes them ... Read more
Precipitation and valorisation of lignin in South African kraft mill black liquor - first stages: Poster

Author: Namane, M ; Sithole, Bishop B ; Ramjugernath, D Date: Oct 2013 Worldwide, the pulp and paper industry is in decline due to a number of factors such as high production costs, the growing utilization of electronic media that compete with print media and books, as well as pressure for the industry to be ... Read more
A preliminary investigation of Nigerian Gmelina arborea and Bambusa vulgaris for pulp and paper production

Author: Azeez, MA ; Andrew, JE ; Sithole, Bishop B Date: Oct 2015 Two common Nigerian-grown biomasses, gmelina (Gmelina arborea) and bamboo (Bambusaa vulgaris) have been pulped and their fibre characteristics and paper properties examined. The results of their chemical compositions showed some fair similarities. ... Read more
Preparation, characterization and application of keratin based green biofilms from waste chicken feathers

Author: Tesfaye, T ; Sithole, Bishop B ; Ramjugernath, D Date: Aug 2018 Landfill disposal of synthetic plastics poses one of the biggest threats to the environment due to their non-biodegradability. This problem can be solved by production and use of biodegradable polymers instead. Feathers are a renewable, ... Read more
Pretreatment and enzymatic saccharification of sludge from a prehydrolysis kraft and kraft pulping mill

Author: Singh, S ; Sithole, Bishop B ; Lekha, Prabashni ; Permaul, K ; Govinden, R Date: Jan 2021 The South African pulp and paper industry generates an estimated 0.5 million tons of pulp and paper mill sludge (PPMS) annually. As PPMS is generated, it requires safe, efficient, and economical collection and disposal. However, PPMS is ... Read more
Production and characterization of cotton-chicken feather fibres blended absorbent fabrics

Author: Kakonke, Grace ; Tesfaye, Tamrat ; Sithole, Bishop B ; Ntunka, M Date: Jan 2019 Nonwoven fabrics are mostly used in modern disposable hygienic products where their primary purpose is to offer excellent absorbency as well as comfort to consumers. Scientists, both on the academic and industrial level, have faced numerous ... Read more
Pyrolysis oil composition and catalytic activity estimated by cumulative mass analysis using Py-GC/MS EGA-MS

Author: Merckel, RD ; Heydenrych, MD ; Sithole, Bishop B Date: Mar 2021 An advancement in the analytical capabilities of pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) with evolved gas analysis-mass spectrometry (EGA-MS) is presented. The combined method of analysis can predict elemental composition ... Read more
A review of technologies used in handling the acid mine drainage challenge: Perspectives on using green liquor dregs as a sustainable option for treatment of acid mine drainage

Author: Sebogodi, Keolebogile R ; Johakimu, Jonas K ; Sithole, Bishop B Date: Feb 2021 Acid mine drainage (AMD) is one of the repercussions that result from earth-moving activities around the sulfide-bearing mineral hosts. The detrimental effects associated with this AMD are driven by its characteristics, which include low pH ... Read more
Review on the manufacturing and properties of nonwoven superabsorbent core fabrics used in disposable diapers

Author: Kakonke, G ; Tesfaye, T ; Sithole, Bishop B ; Ntunka, M Date: Feb 2019 Absorbent hygiene products are made up of different types of raw materials, renewables and non-renewables, to create the absorbent core which acts as a fluid storage structure in the product. With the addition of superabsorbent polymers in ... Read more
Role of cellulose nanofibrils in improving the strength properties of paper: A review

Author: Jele, TB ; Lekha, Prabashni ; Sithole, Bishop B Date: Nov 2021 The pursuit for sustainability in the papermaking industry calls for the elimination or reduction of synthetic additives and the exploration of renewable and biodegradable alternatives. Cellulose nanofibrils (CNFs), due to their inherent ... Read more
SAIChE Conference Poster: Irradiation treatment of dissolving pulps produced in South Africa

Author: Ocwelwang, A ; Sithole, Bishop B ; Ramjugemath, D Date: Jul 2014 Dissolving pulp refers to purified wood derived chemical pulps made up of more than 90% cellulose content and traces of other wood components such as hemicellulose and lignin. This poster highlights the irradiation treatment of dissolving ... Read more
Sawdust-based cellulose nanocrystals incorporated with ZnO nanoparticles as efficient adsorption media in the removal of methylene blue dye

Author: Oyewo, OA ; Adeniyi, A ; Sithole, Bishop B ; Onyango, MS Date: Jul 2020 The continuous increase in the wastes generated from forestry, timber, and paper industries has engendered the need for their transformation into economically viable materials for the benefit of mankind. This study reports the preparation and ... Read more
South Africa

Author: Rashamuse, Konanani ; Mathiba, Kgama ; Sithole, Bishop B ; Tawona, Neville Date: Sep 2014 This chapter provides the results of the research conducted in South Africa on Banana fruits - ripe, rejected at packaging site, banana peels from rejected fruits at packaging site, cattle manure collected at pasture land, fruit and vegetable ... Read more
Stickies monitoring at a newsprint and packaging mill

Author: Andrew, J ; Hanuman, A ; Sithole, Bishop B Date: 2011 The objective of this study was to demonstrate the applicability of the new methods by undertaking stickies audits in a newsprint and a packaging mill to test the sensitivity of the methods to detect changes in the concentration of stickies ... Read more
Stirred cell ultrafiltration of lignin from black liquor generated from South African kraft mills

Author: Kekana, Paul ; Sithole, Bishop B ; Ramjugernath, D Date: Dec 2016 Ultrafiltration of lignin from black liquor was carried out in a stirred batch cell using polyethersulfone membranes. Parameters such as operating pressure, feed concentration, stirring rate and membrane cut-off size were varied and their ... Read more c b
Structural and morphological characterization of cellulose pulp

Author: Ocwelwang, A ; Sithole, Bishop B ; Ramjugernath, D ; Chunilall, Viren Date: Sep 2015 Understanding the structure of cellulose is of utmost importance in order to enhance its accessibility and reactivity to chemical processing. Therefore, the aim of this study was to evaluate the effect of ultrasound pretreatment on the structure ... Read more
Studies on the mechanical and absorption properties of achatina fulica snail and eggshells reinforced composite materials

Author: Gbadeyan, OJ ; Adali, S ; Bright, G ; Sithole, Bishop B ; Awogbemi, O Date: May 2020 The present study focuses on the mechanical and absorption properties of composites reinforced by achatina fulica snail (S-shell) and eggshell particles (E-shell). Epoxy composites of snail and eggshell particles were prepared separately with ... Read more
Study of Cellulose-Rich Materials Recovered After Dissolution of Sulphite Pulp from South African Eucalyptus Wood in [C2mim][OAc]/co-Solvent Mixtures

Author: Tywabi, Z ; Deenadayalu, N ; Sithole, Bishop B Date: Sep 2017 Biomass processing in ionic liquids (ILs) is a promising technology but involves the simultaneous optimization of many variables in parallel. Here we investigated how dissolution of dissolving wood pulp in IL molecular co-solvents affects the ... Read more
A study of polymerization of aspen (Populus) wood lipophilic extractives by SEC and Py-GC/MS

Author: Sithole, Bishop B ; Lapierre, L ; Watanabe, C Date: Mar 2013 Studies have been conducted on the formation of polymerised wood resin in model compounds and in lipophilic extracts of aspen. Our studies indicate that polymerization of wood resin components occurs during seasoning of aspen wood. The ... Read more
Surfactant-assisted green liquor dregs pretreatment to enhance the digestibility of paper mill sludge

Author: Rorke, DCS ; Lekha, Prabashni S ; Kana, GEB ; Sithole, Bishop B Date: Jun 2021 This study optimizes a novel surfactant-assisted green liquor dregs (GLD) pretreatment of paper mill sludge (PMS), both of which are wastes from the kraft pulping industry, using a combined Response Surface Methodology (RSM) design. Optimized ... Read more

Now showing items 41-60 of 79

Browse

All of ResearchSpace

Quick Links

Legislation and compliance

General Enquiries

Tel: + 27 12 841 2911
Email: callcentre@csir.co.za

Physical Address
Meiring Naudé Road
Brummeria
Pretoria
South Africa

Postal Address
PO Box 395
Pretoria 0001
South Africa

Social Connect

Copyright © CSIR 2017. All Rights Reserved

Resources on this site are free to download and reuse according to associated licensing provision. Please read the terms and conditions of usage of each resource.