September 2016

Treatment of a mahewu processing plant wastewater using coagulant Ferrifloc 1820

Wastewater from a mahewu processing plant was collected for characterisation and jar testing using Ferrifloc 1820 and a combination of Ferrifloc 1820 and the polyelectrolyte Magnafloc. Treatment showed that Ferrifloc 1820 caused a statistically significant decrease on both the chemical oxygen demand (COD)  and oil and grease content of the wastewater. The mean decrease for the COD using Ferrifloc 1820 was 65.24%...

Author(s): Wadzanai Fortune Mareesa and Sherpard Manhokwe

September 2016

Combined effects of municipal and industrial wastes on the quality of the new northern Calabar River, Nigeria

This study was conducted to investigate the combined effects of municipal and industrial waste discharges on the quality of the new northern Calabar River in the Niger Delta province (5.317°N, 6.467°E) of Nigeria. Water samples were collected in June 2015 from five regions along the stretch of the river. The five regions comprised three observed pollution sources (abattoir, open market, and noodle factory) and...

Author(s): Reuben N. Okparanma, Raphael B. Jumbo and Faith N. Chukwu