Browsing by Advisor
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Agglomeration, adsorption and polymerization of hydrolysate components
(2020)Biomass utilization has been drawn attention of governments and industries, as it is renewable resource. Pulp and paper industry depend on woody biomass utilization system to get multiple products. However, it is also ... -
Analysis and simulation of K and Cl in electrostatic precipitator ash and black liquor of an operating kraft recovery boiler
(2023)Non-process elements such as potassium (K) and chlorine (Cl) are commonly found in the recovery cycle of kraft mills and are capable of forming highly soluble compounds. These elements, in high concentrations, can lead ... -
Application of Biomass-based Fly Ash in the Pressate of a Thermomechanical Pulping Process
(2016)In the thermomechanical pulping (TMP) process wood chips are pretreated with steam prior to refining, and the resultant effluent (TMP pressate) is currently treated in the wastewater treatment facility of the pulp mill. ... -
Carboxyalkylated cullulose nanocrystals for novel applications
(2021)Cellulose nanocrystals (CNC), rigid rod-like nanoparticles, are derived from cellulose through acid hydrolysis and are considered as emerging nanomaterials according to their beneficial properties and commercial availability. ... -
Copolymerization of pretreated kraft lignin and acrylic acid to produce flocculants for suspension and solution systems
(2017)The presence of dyes in the wastewater of textile industry poses a number of environmental concerns due to their toxic nature and the removal of dyes from the wastewater is a major challenge nowadays. Synthetic polymers ... -
Crosslinked lignin-starch polymers with alternative applications
(2023)Lignin is a complex biopolymer obtained as a by-product from the delignification of wood and grasses. Starch is also a natural polymer of amylose and amylopectin found in many plants, featuring a relatively simple structure ... -
Dispersion and flocculation affinity of anionically charged kraft lignin
(2018)Softwood kraft lignin is a biodegradable, renewable, and environmentally friendly natural polymer. Although kraft lignin is widely produced in Canada, it is predominantly underutilized as fuel because it is only soluble ... -
Drying of softwood kraft lignin and its cationic derivatives
(2024)Our dependence on petroleum-based materials comes with significant environmental challenges such as environmental pollution, including oil spills and air pollution. Furthermore, the utilization of petroleum-based products ... -
Experimental and theoretical studies on microalgal cell adhesion and interactions on membranes
(2021)Microalgae Cell adhesion is global and plays a critical role in different scientific and engineering problems especially in wastewater treatment. This study focused on both experimental and theoretical studies on microalgal ... -
Extracting lignocelluloses from various spent liquors via adsorption
(2015-10-20)The spent liquors of thermomechanical (TMP) and neutral sulfite semichemical (NSSC) pulping processes contain some lignocelluloses that are recently treated in the waste water of the processes, and thus wasted. In this ... -
Flocculation performance of lignin-acrylamide derivatives
(2019)Wastewater produced in different industries contains fine suspended particles that raise a number of environmental concerns due to their potential toxicity and physicochemical properties and make their removal from industrial ... -
Fundamental studies of microalgal biofilm formation and microalgalbacterial membrane photobioreactors
(2024)Microalgae is one of the photoautotrophic microorganisms that has attracted significant attention in wastewater treatment and biofuel production. Although researchers claimed that microalgae cultivation in wastewater ... -
Impact of physicochemical properties of lignin-based polymers on their flocculation and adsorption performance
(2021)Industrial and municipal effluents contain colloidal charged particles, dissolved salts, heavy metals and other impurities, which may represent varied health risks and must be removed before discharge into the environment. ... -
Interaction of lignin derivatives with polymers, ions and soft surfaces in aqueous systems
(2021)Lignin is one of the most abundant biopolymers on earth which has recently gained considerable attention due to its unique potentials to be used in many applications. Many efforts have been made in improving the compatibility ... -
Investigation on anti-proliferative effect of gyrophoric acid from the lichen Umbilicaria muhlenbergii on cancer cells
(2021)Natural products, including primary and secondary metabolites, are small molecules produced by any organism. As important sources of drug components, natural products may be isolated to small fractions with different ... -
Lignin modification to produce hydrophobic products
(2017)Kraft lignin is not widely utilized for industrial applications. In this MSc work, kraft lignin was modified by grafting hydrophobic groups to produce hydrophobic materials. The main objective was to study the grafting of ... -
Lignin-acrylamide-diallyl dimethylammonium chloride copolymer: mechanism of polymerization and purification
(2024)The world economy is growing faster than ever, while environmental issues are getting worse. The use of ecologically friendly materials has increased as a result of environmental concerns. Promoting ecologically friendly ... -
Lignin-based flocculant and dispersant for wastewater treatment
(2018)The wastewaters produced from different industries contain fine and charged suspended particles and other impurities. Today, the removal of these colloidal particles from the wastewater has become a serious challenge for ... -
Lignin-based hydrogels
(2017)Currently, limited information is available on lignin-based hydrogels, but its potential in commercial applications presents a promising avenue for the utilization of lignocellulosic materials. Recent studies have employed ... -
Lignocellulosic materials in hydrolysis and spent liquors
(2018)Biomass pretreatment is widely used for softening biomass prior to its disintegration for value added product production. There are numerous methods for biomass pre-treatment, among which alkaline pulping and acid hydrolysis ...