Micro-environmental analysis of polyvinyl alcohol- and sodium alginate immobilized Microbacterium sp. S2-4 granules

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Micro-environmental analysis of polyvinyl alcohol- and sodium alginate immobilized Microbacterium sp. S₂-4 granules

LI Hai-bo¹; YANG Rui-song²; LI Pei-jun^1,3; GONG Zong-qiang³; SUN Li-na¹; SUN Tie-heng¹

¹Shenyang Key Laboratory of Environmental Engineering, Shenyang University, Shenyang 110044, China;
²School of Environmental Science and Technology, Shanghai Jiao Tong University, Shanghai 200030, China;
³Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China

Received:2006-06-08 Revised:2006-07-16 Online:2007-01-10 Published:2007-01-10

Abstract

Abstract: With polyvinyl alcohol and sodium alginate as immobilizing carriers, and borate ammonium, ferrite chlorate and aluminum chlorate as cross-linking reagents,the spherical granules of immobilized Microbacterium sp. S₂-4 were prepared, and their microenvironmental changes in the process of COD－ removing from contaminated surface water were studied by scanning electron microscope (SEM). The results indicated that physical block, adsorption, and the expulsion by predominant microbial populations were the main factors shielding the positive effects of the granules. Some structural disfigurements of the immobilized granules were pointed out.

Key words: Gap, Regeneration, Tree seedling, Evergreen broad-leaved forest, Ailao Mountains

LI Hai-bo¹; YANG Rui-song²; LI Pei-jun^1,3; GONG Zong-qiang³; SUN Li-na¹; SUN Tie-heng¹ . Micro-environmental analysis of polyvinyl alcohol- and sodium alginate immobilized Microbacterium sp. S₂-4 granules[J]. cje.

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Micro-environmental analysis of polyvinyl alcohol- and sodium alginate immobilized Microbacterium sp. S₂-4 granules

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