Using linear regression techniques, the daytime vehicle traffic noise levels at four significant crossings in Port Harcourt were analyzed and predicted. These are the crossroads of Rumuokwuta, Agip, 1st Artillery, and GRA. These crossroads are often quite active with both traffic...
Open access
Research Article10.9734/air/2023/v24i5952
The possibility for producing biogas from the simultaneous co-digestion of phaseolus vulgaris, oryza sativa, and cattle dung in a plug flow digester was examined. Oryza sativa and phaseolus vulgaris are very common food waste found in Nigeria. The market-purchased food waste was...
Open access
Research Article10.9734/air/2023/v24i3940
Adsorption is one of the most widely applied techniques for the removal of contaminants from the environment. The effectiveness of an adsorbent is dependent on its kinetics. There are lots of studies on adsorption kinetics, and several mathematical models have been developed to d...
Open access
Research Article10.9734/jerr/2022/v23i8741
This research evaluated the capacity of trees to store carbon in two specific locations, namely Gamji Park and Kaduna Polytechnic in Kaduna State. This was done by conducting field measurements, and observations. To facilitate measurement, the research area was partitioned into q...
Open access
Research Article10.9734/ajee/2024/v23i6552
Noise from 12 religious structures was mapped in the Rumu-Okwachi community. Religious noise in residential settings is a growing concern. Noise levels for daytime religious activity were monitored before, during, and after religious sessions at 15 sample sites defined by superim...
Open access
Research Article10.9734/air/2023/v24i4947
The study modelled the adsorption of lead (II) ion from aqueous phase using chemically activated carica papaya trunk activated carbon (CPTAC). Equilibrium and kinetics adsorption studies were conducted to investigate the adsorption capacity, adsorption isotherm and rate of adsorp...
Open access
Research Article10.9734/jerr/2022/v22i817553
Sludge generated during wastewater treatment is difficult to handle due to their high water content, hence a need for dewatering. The factors that affect the outcome of capillary suction time (CST) were studied using piggery and domestic sludge samples conditioned with ferric chl...
Open access
Research Article10.9734/ajarr/2021/v15i130357