Now showing items 1-9 of 9
Thermomechanical pulping (TMP), chemithermomechanical pulping (CTMP) and biothermomechanical pulping (BTMP) of bugweed (Solanum mauritianum) and Pinus Patula
(Stellenbosch : University of Stellenbosch, 2005-12)
In this study the mechanical pulping characteristics of Solanum mauritianum (Bugweed) were investigated using Thermomechanical (TMP), Chemithermomechanical (CTMP) and Biothermomechanical (BTMP) methods. Results were compared ...
Synthesis, characterisation and evaluation of slow nitrogen release organic soil conditioners from South African technical lignins
(Stellenbosch : Stellenbosch University, 2008-03)
ENGLISH ABSTRACT: Today there is renewed interest in using technical lignins and similar ligneous materials as soil fertilising materials as they are available in large quantities from the pulping and agricultural ...
Process control of chemicals in fibre furnishes
(Stellenbosch : Stellenbosch University, 1994-12)
ENGLISH SUMMARY: In a competitive and environmentally concerned business atmosphere, the role of wet end chemistry has become extremely important to a paper mill's profitability and long term viability. In the past ...
Fungal pretreatment of unextracted and pressurized hot water extracted Eucalyptus Grandis wood chips
(Stellenbosch : Stellenbosch University, 2007-12)
ENGLISH ABSTRACT: Unextracted (control) and PHWe Eucalyptus grandis wood chips were pulped at 15% active alkali (AA) and 1% antraquinone (AQ). Another batch of wood chips were then inoculated with fungal co-cultures of ...
'n Studie van die houtanatomie van die vernaamste houtsoorte van Suid-Afrika en 'n sleutel vir hul mikroskopiese uitkenning
(Stellenbosch : Stellenbosch University, 1977)
ENGLISH ABSTRACT: No abstract available
Thermomechanical pulping (TMP) and Chemithermomechanical pulping (CTMP) of South African pine species : a comparative study
(Stellenbosch : Stellenbosch University, 1994-11)
ENGLISH ABSTRACT: A study was conducted to investigate and to compare the mechanical pulp properties of South African grown pine species. The species were evaluated with regards. to their respective· Thermomechanical ...
Plasticization of bagasse residue
(Stellenbosch : Stellenbosch University, 1997-03)
ENGLISH ABSTRACT: Auto-hydrolysis bagasse residue was used as a raw material for liquefaction with phenol to produce a novolac resin suitable for moulding applications. Sulphuric acid proved to be the most suitable catalyst. ...
Feasibility study on addition of a colourant to commercially used fire-retardant formulations to enable visual distinguishability between treated and untreated mine support timber
(Stellenbosch : Stellenbosch University, 1991-12)
ENGLISH SUMMARY: The ability to visually distinguish between fire-retardant treated and untreated mining support timber, treated with ammonium sulphate and ammonium phosphate salts, is very difficult. In fact, once ...
Kraft biopulping of Eucalyptus grandis
(Stellenbosch : Stellenbosch University, 1999-12)
ENGLISH SUMMARY: Biotechnology has been earmarked as the field that will shape the future of the world as we know it and its advance has not excluded the pulp and paper industry. The importance of biotechnology in the ...