期刊
BIORESOURCE TECHNOLOGY
卷 100, 期 24, 页码 6416-6421出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2009.06.112
关键词
Eggshell; Calcium carbonate particles; Coating pigments; Ink-jet printing; Bioresource utilization
资金
- Georgia Food Processing Advisory Council (FoodPAC)
The effective treatment and utilization of biowaste have been emphasized in our society for environmental and economic concerns. Recently, the eggshell waste in the poultry industry has been highlighted because of its reclamation potential. This study presents an economical treatment process to recover useful bioproducts from eggshell waste and their utilization in commercial products. We developed the dissolved air floatation (DAF) separation unit, which successfully recovered 96% of eggshell membrane and 99% of eggshell calcium carbonate (ECC) particles from eggshell waste within 2 h of operation. The recovered ECC particles were utilized as coating pigments for ink-jet printing paper and their impact on the ink density and paper gloss were investigated. The addition of the ECC particles as coating pigments enhances the optical density of cyan, magenta and yellow inks while decreasing the black ink density and the gloss of the coated paper. Published by Elsevier Ltd.
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