Abstract
The present work aims to add value to animal bone marrow byproduct and explore the ability of its utilization in chemical industries as a starting material. Contaminants keep the possibility of it's using in the various chemical industries is so limited. Low- cost local bentonite clay has been chemically evaluated and activated to use as a marrow bleaching agent and pollutant removal. The bleaching power of the activated samples has been spectrophotometrically evaluated in the visible region and the physio-chemical properties enhancement of the marrow has been evaluated. The results show that the bleaching efficiency depends on bentonite dose and sulfuric acid concentration. The highest bleaching capacity was achieved with the bentonite sample of 35 % acid concentration, and 3% bentonite dose (based on the weight of fatty matter), at 95 degrees C and 4 hrs stirring time. The activated clay could attain bone marrow bleaching and the properties of the marrow were better than before. The bleaching efficiency seems to be closer to a virgin commercial bleaching agent. In addition to the significant odor and color enhancement, the chemical evolution of the purified marrow proved that it has an industrial potential impact and its further use and benefit have been maximized.