January 2013

The level of suspended particulate matter in wood industry (sawmills) in Benin City, Nigeria

  There are two sampling approaches for noting the presence of air pollutants, Source sampling and Atmospheric sampling. The source sampling obtains the pollutant count of a particulate source, whereas atmospheric sampling deals with the pollutants within the total air mass surrounding the earth. The purpose of source sampling is to determine the quantity and type of pollutants emitted from a specific source to...

Author(s): T. F. Ediagbonya, A. E. Tobin and E. E. Ukpebor

January 2013

The effect of mixing on the treatment of paint wastewater with Fe3+ and Al3+ salts

  A 169.2 g of paint was diluted in 1 L of potable water. A 200 ml of sample was poured into 500 ml glass beakers and dosed with 10, 20, and 30 ml of 0.043 M of all coagulants (Iron: Fe and Aluminum: Al salts), respectively in jar tests. Samples were mixed at 250 rpm for 30, 45, and 60 s, respectively. Additional set of experiments was conducted with combined rapid mixing at 250 rpm for 30, 45 and 60 s followed...

Author(s): I. O. Ntwampe, D. Hildebrandt and D. Glasser