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360044 
Journal Article 
Effluent and receiving water quality near food processing industries in Ibadan metropolis 
Ipinmoroti, KO; Amoo, IA; Adebisi, SA 
2007 
23-28 
The effluent and receiving water quality from ten food processing industries, comprising beverage, confectionery and oil processing industries, in Ibadan metropolis was investigated. The heavy metal, minerals and physicochemical properties of the effluents and receiving waters were determined using standard methods. Results show that cobalt, chromium, copper, iron, magnesium, manganese, lead and zinc contents range between 0.46-2.75, 0.06-0.11, 0.01-0.02, 0.02-0.06, 0.20-1.81, 0.09-1.38, 0.11-0.14 and 0.07-0.29 mg L-1 respectively. Anions (chlorides and nitrates), cations (phosphate, ammonium), biological and chemical oxygen demand were higher in the effluents. Sodium and potassium were the most predominant minerals in the effluents and receiving waters. Receiving water quality was significantly (p<0.05) influenced by effluent discharge by these industries. 
anions; cations; chlorides; chromium; cobalt; copper; discharge; effluents; food processing; heavy metals; iron; lead; magnesium; manganese; minerals; nitrates; oxygen; phosphate; physicochemical properties; potassium; properties; sodium; water quality; zinc; Nigeria; West Africa; Africa South of Sahara; Africa; Developing Countries; ACP Countries; Commonwealth of Nations; Anglophone Africa; Mn; water composition and quality; Soil Chemistry and Mineralogy (JJ200); Wastes (General) (XX000); Processing Equipment and Technology (NN600); Food Processing (General) (QQ100); Soil Fertility (JJ600); Water Resources (PP200)