Cement is an important material in the construction industry. However, the
environmental problems associated with the mining and calcination of limestone for
cement production necessitates the search for supplementary ...
Nigeria is the largest producer of cowpea. Despite this relatively large production, its export
has been hindered by poor seed grading and inefficient processing. Existing cowpea grading
machines are mostly for unit ...
Remediation of crude petroleum polluted water for agricultural activities is a challenge.
Kenaf has been found to have potentials for remediation and pelletising it will improve
handling and recovery. Literature is sparse ...
Moringa seed is a raw material that needs long period of storage. This necessitates
drying the seed so as to extend its shelf life. An important factor in ensuring stability
of moringa seed and grits in storage is its ...
Frying operation is a tedious aspect of garri processing. It is largely done
manually which causes discomfort and various health challenges to the operator
due to heat, smoke, and the sitting posture. Literature is sparse ...
Groundwater contamination with elevated levels of fluoride has been an age-long
environmental problem in many countries including Nigeria. Adsorption is an effective
defluoridation technique; however, most of the effective ...
Lignocellulosic materials are susceptible to bio-degradation. Therefore, preservatives are used to
enhance their durability for various applications. The toxic nature of synthetic preservatives is
encouraging the use of ...
Despite the importance of quarry operations to the construction industry in developing
countries, the excessive occupational noise involved in quarry operations is a threat to the
health of workers. Studies have shown ...
Despite the large natural gas reserve in Nigeria and increasing global demand for Liquefied Natural
Gas (LNG), prospective investors appear hesitant in doing LNG business in Nigeria. One major
reason is that the existing ...
Neem seed is known to serve as antimicrobial agent on agricultural commodities. However, the
consumption of its high dosage pose a health risk due to presence of other antinutritional factors.
There is limited information ...
Tea and coffee, consumed for their neutraceutical, health and stimulating benefits, can be
easily contaminated by mycotoxin-producing fungi, due to agro-ecological factors, poor
handling and storage. Spices such as Curcuma ...
Ogi is a widely consumed food product but could possess low nutritional value when poorly
processed. Fermentation had been found to improve its nutritional value, sensory properties and
shelf life. However, information ...
The Low Back Pain (LBP) problem is prevalent among construction workers involved
in the Manual Load Handling (MLH) of sandcrete blocks. Studies have shown that
human and environmental based factors affect the weight of ...
Traffic congestion is a significant problem in many urban areas, including Kigali City,
Rwanda. This problem is associated with augmented fuel wastage, air pollution,
financial losses, delays, and risk of accidents, due ...
There are enormous Agricultural Residues (AR) such as Coir Dust (CD), Coir Fibre
(CF), and cashew nut shells, which are sources of environmental pollution in Nigeria.
However, these residues can be deployed in Cement ...
Concrete, a conventional building material is prone to fracture crack propagation, due to
temperature and shrinkage stresses development, resulting in strength loss. Efforts in
recent times have been directed at improving ...
Cement is the conventional stabiliser used for Compressed Stabilised Earth Blocks
(CSEB), which has been in use as a building material over the ages. However, its
production causes environmental pollution. Hence, efforts ...
Heat influx through roofs is the leading cause of internal temperature imbalance problems in
buildings. Roofing materials and configurations are key in regulating heat infiltration into buildings.
There is a dearth of ...
Nanofluid flooding in the petroleum industry has generated growing interest because of its
potential to greatly improve oil recovery. However, studies have reported that injection of
nanofluid could lead to impaired ...
Adulteration of petroleum products with the resultant safety, health, environmental and economic
impact on the end-users is a challenge in Nigeria and many developing countries. The current
commonly used techniques by ...