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Study on making lignin-quaternary amic salt flocculant from lignin .

利用木质素制备木素季胺盐絮凝剂。

Management is flocculant , qualified personnel are guarantee and equipment is foundation .

管理是凝聚剂，人才是保障，设备是基础。

This article first summarizes the flocculant subsidence mechanism .

本文首先简述絮凝剂的沉降机理。

Research progress of microbial flocculant - producing bacteria .

微生物絮凝剂产生菌的研究进展。

And to further affects the flocculant settling property the factor to carry on the earnest summary .

并进一步对影响絮凝剂沉降性能的因素进行认真总结。