Chaibou Yacouba Abdoul Rachid, Namata Abba Bala, Salaou Maman Mahamouda, Ali Sanda Bawa, Mabinty-Bayo Bangoura & Natatou Ibrahim·Chemical Science International Journal·2026
In this study, lead extraction was performed using TOPO and Aliquat 336 in toluene. The respective contact times required to reach extraction equilibrium were determined to be five minutes (E = 99.29%) and 10 minutes (E = 90.46%) for TOPO and Aliquat 336, respectively. The optima...
Open access
Research Article10.9734/CSJI/2026/v35i11014
Polyaniline (PANI) based thermoelectric materials have attracted much attention in flexible energy harvesting devices due to their unique molecular structure, excellent chemical stability, and low cost. However, the intrinsic thermoelectric performance of intrinsic PANI makes it...
Madhumonti Saha, Pabitra Kumar Biswas, Jayanta Kumar Saha, Abhijit Sarkar, Sangeeta Lenka, M. Vassanda Coumar & Dinesh Kumar Yadav·Archives of Current Research International·2025
Aims: The effective treatment of wastewater contaminated with toxic metals such as lead (Pb) and cadmium (Cd) is vital for environmental sustainability and safe agricultural reuse as they are poisonous and may build up in the food chain, which can harm the ecosystem and cause hea...
Open access
Research Article10.9734/acri/2025/v25i51222
Pb(II) and Fe(III) ion adsorption from aqueous (water) solution onto an unaltered oil palm peduncle was investigated for thermodynamic effects. With a given mass (0.2 g) of adsorbent and a fixed adsorbate concentration of 10 ppm, adsorption studies were conducted in a batch metho...
Open access
Research Article10.9734/ajocs/2025/v15i3369
Rome Kenneth, Kalu M. Kalu, Naibi A. Haruna, Emmanuel K. Chinedu, Ismaila Atiku & Michael Emmanuel·Asian Journal of Chemical Sciences·2023
Baobab pulp (Adansonia digitata) and mango seeds were employed in the synthesis of activated carbon, serving as a cost-efficient adsorbent for the elimination of Pb (II) ions from aqueous solutions. The carbonization of baobab pulp and mango seeds was executed within a muffle fur...
Open access
Research Article10.9734/ajocs/2023/v13i6260
Experimental-statistical equations are proposed for calculating the results of fossil fuel combustion. The calculation is illustrated by the example of fuel combustion by engines of a Boeing series aircraft. The main supplier of energy to the ecological system of Planet Earth is...
Open access
Research Article10.9734/ijecc/2022/v12i1131203
Along with the development of engine technology to be able to produce maximum efficiency in aircraft jet engines, various modifications were made to the machine tools. Modifications are made by taking into account four main factors, namely: maximum power output, reduced engine we...
Open access
Research Article10.9734/psij/2021/v25i130231
In this article the relationship between the entropies of crystalline calcium compounds and copper, zinc and cobalt compounds were analyzed. Thermal capacity dependence of temperature for acidic phosphates of copper, zinc and cobalt, determining value of enthalpy and entropy of...
Open access
Research Article10.9734/CSJI/2019/v28i130129
Introduction: The hydration of grains is a process that consists of soaking them in water in order to increase their moisture content and this is a crucial step in industrialized processing and provides several beneficial effects on their physicochemical and nutritional qualities...
Open access
Research Article10.9734/afsj/2019/v8i329991
This study examines the removal of Cr6+ from aqueous solutions using unmodified and oxalic acid modified African yam bean (AYB) pod and groundnut (G’NUT) shell as adsorbents. The effects of time, pH, temperature, and metal ion concentration were investigated. The amount of metal...
Open access
Research Article10.9734/irjpac/2019/v18i330091
Aims: The objective of this work was to study the thermal inactivation of the polyphenol oxidase (PPO) and peroxidase (POD) activities of cassava (Manihot esculenta Crantz) root cv. Bocou 2 in order to prevent enzymatic browning. Study Design: Crude PPO and POD from yellow-fleshe...
Open access
Research Article10.9734/IJBCRR/2018/43643
Adsorption isotherm and thermodynamic profile of hexavalent chromium onto lumbang (Aleurites moluccana) activated carbon chitosan composite crosslinked with epichlorohydrin were studied. The optimum conditions were identified at pH 3, contact time of 75 min, adsorbent dose of 3 g...
Open access
Research Article10.9734/ARRB/2018/38998
The inhibitive effect of Acanthus montanus leaves extract on aluminium corrosion in hydrochloric acid solutions was studied using weight loss technique. It was found that the leaves extract retards the acid induced corrosion of aluminium. Inhibition efficiency was observed to inc...
Open access
Research Article10.9734/CJAST/2017/37723
Aims: To investigate the ability of citric acid modified cow hoof (CCH) to remove Cd (II) and Cu (II)) from simulated wastewater. Place and Duration of Study: Chemistry Laboratory of Afe Babalola University, Ado – Ekiti, Nigeria. Methodology: The characterization of the citric ac...
Open access
Research Article10.9734/CSJI/2017/32537
It is shown that taking into account the negative compressibility of substances changes Maxwell relations. The earlier results of the author indicating that these relations differ for substances with negative thermal expansion have received additional confirmation. Universal Maxw...
Open access
Research Article10.9734/PSIJ/2017/33660