Staff Publications: Recent submissions
Now showing items 441-460 of 960
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Pyroprocessing and the Optimum Mix Ratio of Rice Husks, Broken Bricks and Spent Bleaching Earth to Make Pozzolanic Cement
(Elsevier, 2019)This paper presents the findings of an experimental investigation on optimizing pozzolanic activity of a blend of Rice Husks (RH), Spent Bleaching Earth (SBE) and Broken Bricks (BB) to form pozzolana that would have ... -
Chloride Ingress in Chemically Activated Calcined Clay-Based Cement
(Elsevier, 2018)Chloride-laden environments pose serious durability concerns in cement based materials. This paper presents the findings of chloride ingress in chemically activated calcined Clay-Ordinary Portland Cement blended mortars. ... -
Effects of Biocementation on some Properties of Cement-Based Materials Incorporating Bacillus Species Bacteria
(Taylor & Francis, 2019)There is a growing need in the construction industry to improve transfer and durability aspects of Portland pozzolana cement. Ureolytic bacteria have recently emerged as potential micro-organisms well known for precipitation ... -
Review of Carbonation Resistance in Hydrated Cement Based Materials
(Elsevier, 2019)Blended cements are preferred to Ordinary Portland Cement (OPC) in construction industry due to costs and technological and environmental benefits associated with them. Prevalence of significant quantities of carbon dioxide ... -
Characterization of Composite Material from the Copolymerized Polyphenolic Matrix with treated Cassava Peels Starch
(Elsevier, 2020)Conventional binders in the particleboards formulation involve use of formaldehyde resins. Epidemiologic studies show that formaldehyde is carcinogenic. Efforts to reduce formaldehyde emissions by use of scavengers has not ... -
Chloride Diffusivity in Blended Cement Made from Selected Industrial and Agrowastes
(Hindawi, 2020)This paper reports study findings on the diffusivity of chloride ions in potential blended cement. The cement, abbreviated as PCDC, was made from blending ordinary Portland cement (OPC) with dried calcium carbide residue ... -
A Review on Pyroprocessing Techniques for Selected Wastes Used for Blended Cement Production Applications
(Elsevier, 2020)Pyroprocessing is an important stage in cement manufacturing. In this process, materials are subjected to high temperatures so asto cause a chemical or physical change. Its control improves efficiency in energy utilization ... -
Study on the Effect of Thiobacillus Intermedius Bacteria on the Physico-Mechanical Properties of Mortars of Ordinary Portland Cement
(PubMed, 2020)Most of concrete structural failures are attributed to poor workmanship and poor engineering designs. Some microorganisms present in sewer systems can degrade the concrete and/or mortar. Concrete failures due to microbial ... -
Physico-Chemical Properties of Kenyan made Calcined Clay-Limestone Cement (LC3).
(Elsevier, 2020)In Kenya fired clay bricks are mainly used as construction materials. However, vast quantities of these Fired Rejected Clay Bricks (FRCB) generated are rejected annually as a result of improper calcination or demolition ... -
Prediction of Compressive Strength of Calcined Clay Based Cement Mortars Using Support Vector Machine and Artificial Neural Network Techniques
(Research Gate, 2020)Prediction of strength in cement based materials is vital in construction industry as it forms the basis upon which important tasks can be performed such as the time for mortar form removal, project scheduling and quality ... -
Effects of Sulfuric Acid Attack on Hydrated Calcined Clay Limestone Cement Mortars
(Taylor & Francis, 2020)The paper presents experimental findings on the performance of Limestone Calcined Clay Cement (LC3) in acidic media. LC3 was made by inter-grinding a blend of 50 % clinker with ground 30 % Fired Rejected Clay Bricks (FRCB), ... -
Mass Transfer Characteristics during Ultrasound-Assisted Osmotic Dehydration of Button Mushroom (Agaricus Bisporus)
(Springer, 2019)Button mushroom (Agaricus bisporus) slices were dehydrated using ultrasound-assisted osmotic dehydration (UOD), and three osmotic agents including sucrose, glucose and sodium chloride were investigated for their effects ... -
Identification of Bacterial Composition in Freeze-Dried Agaricus bisporus During Storage and the Resultant Odor Deterioration
(Frontiers in Microbiology, 2019)Moisture absorption and bacterial growth are critical factors for quality deterioration of freeze-dried Agaricus bisporus. In order to explore the bacterial composition and the resultant odor changes in freeze-dried A. ... -
Nanocomposite Packaging Regulate Respiration and Energy Metabolism in Flammulina velutipes.
(Elsevier, 2019)Energy metabolism is accompanied with postharvest senescence, deterioration and physiological disorder in Flammulina velutipes. In this study, nanocomposite packaging material (Nano-PM) inhibited rapid respiration thus ... -
Effect of Nanocomposite-Based Packaging on Microstructure and Energy Metabolism of Agaricus Bisporus
(Elsevier, 2018)Rapid deterioration of postharvest Agaricus bisporus is a serious problem. Measures to improve the shelf-life are of great importance. Therefore, we used a nanocomposite-based packaging material (Nano-PM) containing ... -
Effect of Nanocomposite Packaging on Postharvest Senescence of Flammulina Velutipes.
(Elsevier, 2017)A polyethylene based packaging material containing nano-Ag, nano-TiO2, nano-SiO2, and attapulgite has been prepared. The effect of nanocomposite packaging material (Nano-PM) on the senescence of Flammulina velutipes during ... -
Variation of Volatile Terpenes in the Edible Fungi Mycelia Flammulina Velutipes and Communications in Fungus-Mite Interactions.
(Elsevier, 2017)Many mites rely on fungi for nutrients, and fungi benefit from them with regard to spore dispersal, or nutrient resources. The interactions among mites and fungi are still not clear in most cases. This study analyzed ... -
Hot Air Drying Process Promotes Lignification of Lentinus Edodes
(Elsevier, 2017)Hot air drying (HAD) is the most commonly used method for processing of postharvest Lentinus edodes in industry, which may promote lignification in the mushroom, affecting nutrition and edibility of L. edodes. The mechanism ... -
Effect of Nano Packaging on Preservation Quality of Nanjing 9108 Rice Variety at High Temperature and Humidity
(Elsevier, 2017)A nano packaging material containing nano Ag, nano TiO2, nano attapulgite and SiO2 was prepared, and its impact on quality of Nanjing 9108 rice at 37 °C and 85% relative humidity was studied. Effects of the packaging on ... -
Effect of Hot Air Drying on Volatile Components of Flammulina velutipes Detected by HS-SPME-GC-MS and Electronic Nose
(Elsevier, 2015)Volatile compounds are important factors that affect the flavor quality of Flammulina velutipes, but the changes occurring during hot air drying is still unclear. To clarify the dynamic changes of flavor components during ...