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Bentonites were used in aflatoxin-contaminated feeds and diets to reduce bioavailability of the mycotoxin. The objectives of this study were to test accessibility of smectite interlayer space to aflatoxin adsorption and to investigate bonding mechanisms between adsorbed aflatoxin B 1 molecules and smectite. The aflatoxin–smectite complex had a basal spacing greater than 1.2nm up to 400°C,...
In various applications of polyacrylamide (PAM) in soil erosion control, soil conditioning, water treatment, and oil recovery, the polymer mainly reacts with clay minerals. The objective of this study was to investigate the probable bonding mechanisms between PAM and smectite, a common clay mineral that occurs in soils and sediments. Three polyacrylamides – nonionic PAM 903N, cationic PAM 494C, and...
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