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Nakai, Hisaaki*; Temma, Tsuyoshi*; Tamada, Masao; Sawamura, Toshihiro*; Saito, Takayuki*; Homma, Tetsuo*; Sato, Yasushi*
JAEA-Review 2006-042, JAEA Takasaki Annual Report 2005, P. 47, 2007/02
Removal technology for cadmium ion (Cd
) from the mid-gut gland in the scallop processing was developed by combining the Cd leaching process with malic acid solution and Cd adsorption with iminodiacetic acid adsorbent synthesized with radiation-induced graft polymerization. Experimental equipment was assembled for removal of the Cd from 20-40 kg of mid-gut gland. The Cd in the mid-gut gland was reduced from 25 mg/kg to 1 mg/kg after 24 h treatment.
Nakai, Hisaaki*; Temma, Tsuyoshi*; Tamada, Masao; Sawamura, Toshihiro*; Saito, Takayuki*; Homma, Tetsuo*; Sato, Yasushi*
no journal, ,
Waste mid-gut glands of scallop processing was incinerate as industrial wastes since they contained toxic cadmium. However, mid-gut glands is valuable sources for proteins, a fatty substance, docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA). Apparatus of cadmium removal from 20 kg mid-gut glands were assembled by combining the elution of cadmium with malic acid and the adsorption of cadmium with graft adsorbent. After the treatment of 15kg waste mid-gut glands for 24hours by the apparatus, the initial cadmium concentration of 25mg/kg was reduced to 1.0mg/kg.
Tamada, Masao
no journal, ,
Scallop mid-gut gland which contains protein and unsaturated aliphatic acid was incinerated as waste of the scallop processing since it is contaminated by 10-40 ppm cadmium. Effective removal of cadmium from the mid-gut gland was developed by combining the extraction of cadmium with malic acid and the adsorption of cadmium with adsorbent synthesized by radiation-induced graft polymerization. The apparatus for the removal of cadmium from 20kg mid-gut gland was assembled. The cadmium concentration could be reduced to 1ppm. This result implies the mid-gut gland can be utilized as feed.
Nakai, Hisaaki*; Temma, Tsuyoshi*; Tamada, Masao; Sawamura, Toshihiro*; Saito, Takayuki*; Homma, Tetsuo*; Sato, Yasushi*
no journal, ,
Waste mid-gut glands of scallop processing was incinerate as industrial wastes since they contained toxic cadmium. However, mid-gut glands is valuable sources for proteins, a fatty substance, docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA). Apparatus of cadmium removal from 20 kg mid-gut glands were assembled by combining the elution of cadmium with malic acid and the adsorption of cadmium with graft adsorbent. After the treatment of 15 kg waste mid-gut glands for 24 hours by the apparatus, the initial cadmium concentration of 25 mg/kg was reduced to 1.0 mg/kg.
Okabe, Toshihiro*; Ono, Hiroyuki*; Hatayama, Ichiro*; Waguri, Atsushi*; Sawada, Yuzuru*; Tsugawa, Hidehito*; Ichida, Tadao*; Nakane, Akio*; Sano, Teruo*; Tanaka, Kazuaki*; et al.
no journal, ,
