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
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
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