The effect of drilling waste on urease activities and substrate-induced respiration in wetland soil of Niger Delta of Nigeria was investigated, using Fadama, mangrove and meander soils respectively. Urease activity and substrate-induced respiration (SIR) were measured after 1, 7,...
Open access
Research Article10.9734/CSJI/2020/v29i230162
The adsorptive efficiency of activated carbon produced from corncob was compared to commercial activated carbon in the adsorption of light alkanes contaminant in hydrogen gas product. The adsorption was measured over a constant temperature of 27°C and at pressures up to 125 kilo...
Open access
Research Article10.9734/CSJI/2020/v29i230159
MoS2 is one of the most advanced solid lubricants that have been used in many machineries. In this work, the effect of humidity on the friction of MoS2 solid film lubricant is investigated using a pin-on-disk tribometer. MoS2 film was coated by a thermal evaporation method on a t...
Open access
Research Article10.9734/CSJI/2020/v29i230160
Tribology investigations were conducted to understand the effect of humidity and water adsorption at the interfacial surface on the friction coefficient of titanium. Pin-on-disk tribometer tests were conducted at different levels of humidity ranging from 0% to 71% RH using alumin...
Open access
Research Article10.9734/CSJI/2020/v29i230158
Aim: The aim is to investigate some physicochemical properties of beers and polycyclic aromatic hydrocarbons contaminants in beer brewed with isomerized hop extract and in comparison with beers brewed with extracts from four Nigerian potential hop substitutes. Study Design: Beers...
Open access
Research Article10.9734/CSJI/2020/v29i130157
This study evaluates the development of a substitute and alternative solid fuel in the form of briquette from agricultural wastes (rice husk, sawdust and cotton stalk charcoal). Four sets of briquette with different grades were produced using a discontinuous briquette production...
Open access
Research Article10.9734/CSJI/2020/v29i130156
Sorption techniques are widely used to remove heavy metal ions from large volume of aqueous solutions, this plays a vital role in controlling environmental pollution. Herein, the sorption of Pb2+, Cu2+ and Zn2+ with blended membrane of sodium alginate (Na-Alg) and immobilized kar...
Open access
Research Article10.9734/CSJI/2020/v29i130155
The extraction of BPA (Bisphenol A) from aqueous solutions was performed using A set of three-dimensional spiral plate-type microchannel (3D-SPM) by emulsion liquid membrane (ELM). In the continuous extraction experiments, the effect of the flow rate ratio of emulsion to external...
Open access
Research Article10.9734/CSJI/2020/v29i130154
Tasrina R. Choudhury, Snahasish Bhowmik, M. S. Rahman, Mithun R. Nath, F. N. Jahan, B. A. Begum & Mohammad Nurnabi·Chemical Science International Journal·2020
Sawdust supported nano-zerovalent (NZVI/SD) iron was synthesized by treating sawdust with ferrous sulphate followed by reduction with NaBH4. The NZVI/SD was characterized by SEM, XRD, FTIR and Chemical method. Adsorption of As (III) by NZVI/SD was investigated and the maximum upt...
Open access
Research Article10.9734/CSJI/2020/v29i130152
The study focuses on the evaluation of the impact of acid rain on some common roofing sheets, including; Stone Coated, Galvanized, 0.55 m and 0.45 mm Long Span , Aluminum/Zinc sheet using simulated acid rain. The simulated acid rain was from four different molar concentrated H2S...
Open access
Research Article10.9734/CSJI/2019/v28i430153