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小木虫论坛-学术科研互动平台» 学术交流区» 论文翻译 » 论文翻译求助完结子版 » 食品类摘要汉译英
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jingjing1005

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wypward(金币+1):欢迎新虫，谢谢参与 2010-06-03 17:35:26
kitten311(金币+20, 翻译EPI+1):嗷嗷感动啊~~ 2010-06-04 21:38:00
kitten311(金币+35): 2010-06-06 21:57:10
Static and dynamic adsorption experiments were performed to the Cd2 +, Cr2 +, Pb2 + and other heavy metal ions in the hydrolysis of oysters with crab shell powder (100 mesh) as adsorbent to study the impacts of crab shell powder dosage, initial pH value of solution and time for shock removal on absorption properties of crab shell powder. The results showed that
crab shell powder had strong ability of adsorbing heavy metal ions in the hydrolysis of oysters and the removal rate can reach 50%. Best removal effect reached at the Initial pH in the solution of 5,5,4,6 respectively, in particular for the ions of Cd2 +, Pb2 +, Cr2 +, and the removal rate for each of the four was 74.95%, 69.53%, 54.51% and 95.95% respectively . The adsorption of crab shell powder for Cd2 +, Cr2 +, Pb2 + conformed to the Langmuir isotherm model. The kinetic data obtained showed that the metal adsorption was at high speed, but it slowed down after 60min and finished at 240min. The absorption coincided with Ho YS 2 adsorption kinetic model with high correlation coefficient.

Keywords: crab shell powder, heavy metal, Cr, Cd, Pb, As, removal rate, absorption dosage
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