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Treating Bloodmeal with Peracetic Acid to Produce a Bioplastic Feedstock
Author(s) -
Low Aaron,
Verbeek Casparus Johannes Reinhard,
Lay Mark Christopher
Publication year - 2014
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201200447
Subject(s) - bioplastic , crystallinity , peracetic acid , materials science , raw material , solubility , thermal stability , sodium sulfite , chemical engineering , sulfite , composite material , chemistry , organic chemistry , sodium , waste management , metallurgy , hydrogen peroxide , engineering
Peracetic acid is used to remove the color and odor from bloodmeal to produce a new bioplastic feedstock. The effects on bloodmeal molecular mass, crystallinity, thermal stability, solubility, product color and smell is investigated. 3 wt% PAA is the lowest concentration to sufficiently remove the odor from bloodmeal. Protein molecular mass is unaffected by PAA concentration. The crystallinity decreases from 35 to 31–27% when treated with 1–5 wt% PAA. Treating bloodmeal with 1–5 wt% PAA also reduces the protein's thermal stability, glass transition temperature (from 225 down to 50 °C) and increases its solubility in PBS, SDS, and sodium sulfite.
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