Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:Z.A. Babanlungu, E.E. Oguh, I. Esomonu, I. Audu Pages: 1 - 11 Abstract: Pollution of soil with heavy metals is a major environmental concern due to the disposal of urban and industrial waste generated by mostly anthropogenic activities. Thus, through Phytoremediation which is a plant-based approach, polluted soils are remediated using plants. In this research, the potential of Waterleaf (Talinum Triangulare) to absorb Lead from composite soil sample and consequently to remediate it,was investigated.A farmland around a Mechanic workshop located at Afor Oru Market in Ahiazu Local Government Area, Imo State was used . An uncontaminated soil was gotten from a piece of farmland in Oru Community in Ahiazu Mbaise, Imo State. This land has been lain fallow for more than five years. The Waterleaf (Talinum Triangulare) stands of 26days were collected from the nursery bed in Umuireaku Oru community in Mbaise. The contaminated Soil samples and Plant samples were analyzed for Lead concentration before and after graded periods of growth for six weeks using the Atomic Absorption spectrophotometer (AAS). The contaminated soil samples contained lead at 0 week as 438.499ppm, 2 weeks as 413.217ppm, and 4weeks as 387.935ppm and 6weeks as 362. 431ppm. The uncontaminated soil sample which served as the control sample contained 2. 310ppm.Plant samples contained 2.948ppm at 0week, 3.327ppm at 2weeks, 3.726 at 4weeks and 4.125 at 6weeks. However, after six weeks of planting the result showed reduction of Lead concentration in the soil by 17.4% and accumulation in the waterleaf (Talinum Triangulare) by 39.9%. The transfer factor for the Lead heavy metal assayed increased steadily. Thus, this demonstrated the ability of waterleaf (Talinum Triangulare) to absorb Lead heavy metal and consequently remediate the contaminated soil sample. PubDate: 2022-05-25 Issue No:Vol. 15, No. 3 (2022)
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:U.U. Jimoh, O.E. Aletan Pages: 12 - 20 Abstract: The study examines the spatial distribution of slaughter slabs in Ilesa region South West, Nigeria. Survey research design was adopted for the study. Both primary and secondary data were obtained. The coordinates of the study area was generated from Google earth and imported to universal map downloader (UMD). Quantitative data were analyze with the aid of ArcMap to determine the spatial distributions of the slaughter slab locations and subsequently interpreted. The qualitative data were content analyzed. The study area revealed a total number of 44 slaughter slab locations in the study area. The study revealed that 43 of the slaughter slabs were owned and managed by private operators while only one was owned by the government. The analysis revealed that the majority of the slabs are situated close to the river. The nearest neighbor analysis of slaughter slabs operation revealed the observe means distance of 338.318 apart with expected means distance of 414.155. The nearest ratio Rn= 0.817 (R>1). This implies a cluster pattern in the distribution of slaughter slabs. This pattern of distribution is an indication of inadequate planning. The study therefore recommends that development of slaughter houses should be adequately planned to ensure equitable access by prospective customers within the region. PubDate: 2022-05-25 Issue No:Vol. 15, No. 3 (2022)
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:K.P. Daniel, R.M. Gadzama, E. Abubakar, S.A. Mbdomti Pages: 21 - 31 Abstract: Polymers, woods, metals, boards (ceiling, particles) are among the inevitably primary materials for production in industries. What materials to choose from when developing a product to meet a client’s unique demand amidst distance, limited variety of materials and paucity of literature are the big questions. This study explored clay for the development of a ceramic table nametag. An experimental method in form of reportage was adopted that started with a design briefing. This was followed by step-by-step processes: concept development; preparation of clay slabs; dimensioning of slabs into 14" x 18"; computer-generated design of texts and the university logo composed into a template; a dexterous pressing of a template into the leather-hard surface of the slabs for impression; then dried at room temperature, and fired at 1000oC. The customized terracotta table nametag was polished with wood varnish (commercial lacquer) for glazy effect and mounted on an easel-like fabricated steel stand, and finally presented to the client. Results showed that the significant potential of clay as a suitable material for nametag production. This was revealed in the exciting reaction of the client upon seeing the finished work. It is recommended that design brief should be upheld as a crucial criterion for design is to ensure achievement of the intended goal as client’s opinions are crucial, and evaluation of complete should be factored into the design process assess client’s satisfaction. The exploration of local content should be introduced to design curricula of design schools given the challenging location of far places such as Adamawa State. Synergy and improvisation are among the design concepts that should be encouraged among designers/artists-students and freelancers for optimal design results. PubDate: 2022-05-25 Issue No:Vol. 15, No. 3 (2022)
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:E.J. Ihemezie, K.P. Adeosun, E.E. Omeje Pages: 32 - 46 Abstract: This study examined the political economy mechanisms influencing International Climate Agreements (ICAs) and the negotiating states. Using the climate policy trajectories of the U.S and India, the study demonstrates that domestic political economy factors are what determine the behaviour and commitments of states in international climate negotiations. These factors include but not limited to the features of a nation’s domestic political landscape such as its internal political system, economic structures, environmental vulnerability, and social institutions. These factors interplay to modify and constrain states’ decisions on both domestic and foreign matters. Several agreements have been made over the years based on the consensus of member states but their commitments and implementations have also continued to widen and vary due to these varying political economy factors. For sustainable success to be made in ICAs, stakeholders are required to pay attention to these factors since its aggregate influence play a critical role in determining the success of global GHGs mitigation and adaptation campaigns. It was therefore recommended that ICAs could be better achieved when efforts to assist member states in dealing with their political economy challenges are incorporated in negotiating plan. PubDate: 2022-05-25 Issue No:Vol. 15, No. 3 (2022)
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:Y. Ardo Pages: 47 - 55 Abstract: Many buildings have been altered and converted for use in various tertiary institutional in Gombe state. It was however, observed that most of those converted and altered buildings are characterized by some common defects. The aim of this study is to examine the common types of defects associated with altered and converted buildings in some selected tertiary institutions in Gombe state with a view to making recommendations for improvements. A mixed method approach involving the use of quantitative and qualitative methods was employed in collecting data for the study. A questionnaire survey strategy was employed in the quantitative stage of the study to collect data from construction professionals involved in the supervision of altered and converted buildings in three selected tertiary institutions in Gombe state (Gombe State University (GSU), Federal University Kashere (FUK) and College of Nursing and Midwifery (CNM)). In the qualitative phase of the study, a checklist and physical field observation was employed to collect data from fifteen (15) identified altered and converted buildings in the selected tertiary institutions. Findings reveal that most alteration and conversion works are carried out through manual methods. It was discovered that cracks, defective plasters, dampness and peeling of paints were the most common types of defects associated with altered and converted buildings. Based on the physical examinations of the buildings, it was revealed that most building altered and converted using predominantly manual method do develop severe defects compared to those altered and converted using mechanical techniques. The study concludes that the techniques adopted in alteration and conversion work significantly affect the quality of the resulting building. It was recommended that more use of mechanical aids should be adopted in carrying out alteration and conversion to minimize defects and ensure quality outputs from buildings. PubDate: 2022-05-25 Issue No:Vol. 15, No. 3 (2022)
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:C.A. Ihayere, J.L. Igben Pages: 56 - 63 Abstract: In this study, Chemical analysis for Fe, Cu, Pb, Ni, Cd, Zn was carried out on water samples collected from various location points in Aghoro Community in Southern Ijaw Local Government Area of Bayelsa State. The analyses were done to determine the environmental status and portability of the water in the area for drinking and domestic uses, with reference to WHO standard. Eight (8) water samples were collected from stream channels, hand dug wells and boreholes located across Aghoro Community and analyzed for heavy metals. The analytical results indicate the following ranges of concentrations for the heavy metals; Fe (1.17±0.07–3.37±0.12mg/l), Cu (0.02±0.00 - 0.05±0.01mg/l) Ni (0.06±0.01-0.17±0.01mg/l), Pb (0.02± 0.00-0.06± 0.00mg/l) and Zn (0.12±0.01-0.16±0.07mg/l). When compared with standards recommended by the various regulatory bodies most of the values, particularly the water samples from the hand/manual operated boreholes showed very high levels of heavy metals as most values were above WHO permissible limits. Hence there is a need for holistic and sustainable monitoring and treatment of water before drinking in the area. PubDate: 2022-05-25 Issue No:Vol. 15, No. 3 (2022)
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:A.I. Dabai, K. Mohammed Pages: 64 - 86 Abstract: Industrial processes consume large quantity of water and produce highly polluted effluents containing recalcitrant contaminants which are found to be toxic even at trace concentrations. Adsorption was reported to be effective in the removal of heavy metal ions in a solution of varied toxicity. Despite this credit, however, adsorption was faced with some setbacks ranging from adsorbent cost, incomplete removal of pollutants, and production of large volume of sludge. Microorganisms, especially microalgae play vital roles in the adsorption of metal ions due to the anionic ligands in their cell walls which attract metal cations in solution, provide best removal efficiencies by their ability to reproduce in short time, remove micropollutants at minute concentrations as well as serve as feedstock for renewable energy alternatives, after wastewater treatment. PubDate: 2022-05-25 Issue No:Vol. 15, No. 3 (2022)
Subscription journal
[261 journals]
