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Dandajeh, Aliyu Adamu
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Mechanical Engineering

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Performance Evaluation of Chemically Modified Rice Husk as an Adsorbent for the Treatment of Oil Seed Industrial Effluent Dandajeh, Aliyu Adamu; Ahmad, Zaharadden; Ishaq, Aliyu; Abdullahi, Nura Idris
Journal of Applied Materials and Technology Vol. 5 No. 1 (2023): September 2023
Publisher : Faculty of Engineering Universitas Riau and Applied Materials and Technology Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/Jamt.5.1.27-35

Abstract

The generation of oilseed wastewater is a matter of worry due to the presence of impurities that could have effects on ecosystems and human health. This study explores the potential use of rice husk chemically modified with 1M NaOH as an adsorbent to treat wastewater from Sunseed Nigeria Limited in Zaria, Nigeria. The adsorbent was characterized employing Fourier transform infrared spectroscopy (FTIR), which revealed the presence of carboxylic acid, alkanes, alkynes, and amide. Correspondingly, batch adsorption tests were conducted for a fixed period of 1 hour by using dosages of 2, 4, 8, 16, and 20 g. The findings indicated that the turbidity, BOD, and COD had the highest percentage of removal at dosages of 2 g, 20 g, and 2 g, respectively, with removal percentages of 81.48 %, 81.3 %, and 85 %. Also, lead and cadmium had removal percentages of 17.5% and 87.6%, respectively, at a dosage of 20 g. Furthermore, the Langmuir isotherm offered a greater fit for turbidity and total solids, with R2 values of 0.5355 and 0.8870, respectively, with the resultant absorption capacities of 0.0074 mg/g and 0.0249 mg/g. Similarly, the Freundlich isotherm described the BOD and COD well, with R2 of 0.6097 and 0.9678, respectively, and relative adsorption capacities of 1.3104 mg/g and 4.808*106 mg/g. Therefore, it can be concluded that the rice husk adsorbent has demonstrated effectiveness in removing certain physicochemical pollutants from oilseed industrial wastewater.
Remediation of lead-contaminated sludge for soil conditioning using waste lemon peel Duru, Chinonye; Ibrahim, Fatima Badiru; Dandajeh, Aliyu Adamu
Journal of Applied Materials and Technology Vol. 6 No. 1 (2024): September 2024
Publisher : Faculty of Engineering Universitas Riau and Applied Materials and Technology Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/Jamt.6.1.37-46

Abstract

Enhancing soil fertility, organic matter, and nutrient content through sludge application to agricultural land is a promising approach to improve crop efficiency. Waste lemon peel, considered agricultural waste, has potential as a remediation agent for lead-contaminated sewage. This study examines the physical and chemical properties of lemon peel extract to evaluate its potential as a substitute for commercial fertilizer. The response surface methodology was employed to investigate the factors influencing the process. A multi-objective numerical optimization technique based on the desirability function was used to identify the optimal conditions for lead removal efficiency in contaminated wastewater. The study focuses on parameters such as pH, extractant concentration, and contact time. The optimization analysis achieved a maximum removal efficiency (ER) of 94.42% at a pH of 5.0, an extractant concentration of 20 g/L, and a contact time of 135 minutes. Under optimal conditions, the highest lead removal efficiency was 90.50%, while the lowest efficiency observed was 47.0%. The findings of this study underscore the significant issue of environmental contamination, particularly with heavy metals like lead, and highlight the necessity for sustainable and eco-friendly solutions. The effective use of lemon peel extract demonstrates its potential as a viable alternative for remediating lead-contaminated wastewater.
Treatment of oilseed industrial wastewater using corncob modified with NaOH as an adsorbent under a fixed bed column Salis, Yushau Muhammad; Dandajeh, Aliyu Adamu
Journal of Applied Materials and Technology Vol. 6 No. 2 (2025): March 2025
Publisher : Faculty of Engineering Universitas Riau and Applied Materials and Technology Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/Jamt.6.2.71-78

Abstract

The treatment of industrial wastewater is a source of environmental concern due to the presence of various pollutants that could have detrimental effects on ecosystems and human health. This research aims to investigate the potential of using corncob treated with 1M NaOH as an adsorbent for the removal of pollutants from wastewater collected from Sunseed Nigeria Limited. Corncob, a byproduct of the agricultural waste, has shown capability as an adsorbent due to its high surface area and availability at low cost. The research involved the preparation of corncob adsorbent and its characterization using technique; Fourier-transform infrared spectroscopy (FTIR). Adsorption experiment was conducted using continuous study by a fixed bed column with a 5.0 cm internal diameter and a height of 45cm, to evaluate the efficiency of corncob in removing pollutants from oil seed industrial effluent. The initial concentrations of the pH, TSS, DO, BOD, COD, Lead and Cadmium were examined to be; 4.8, 360 mg/l, 110 mg/l, 40 mg/l, 7000 mg/l, 1.268 mg/l and 0.138 mg/l, respectively. The best removal efficiency for cadmium and lead were: 65.94% and 94.01%, respectively at pH of 6.5 and contact time of 6hrs. Furthermore, the removal efficiency for TSS, BOD, and COD were: 20%, 55% and 57.14%, correspondingly. It was therefore concluded that corncob has proven to be a potential material for the treatment of physico-chemical pollutants from industrial effluent. It is recommended that the corncob should be utilized in large amounts for the treatment of industrial effluents.
Co-Authors Abdullahi, Nura Idris Ahmad, Zaharadden Duru, Chinonye Ibrahim, Fatima Badiru Ishaq, Aliyu Salis, Yushau Muhammad