锆化合物可交联含有某些官能团，如羧基、羧基的聚合物。

Zirconium compounds can crosslink polymers which contain suitable functional groups, such as carboxyl and hydroxyl.

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结果发现，该絮凝剂XM 09是M09分泌至细胞外的代谢产物，是富含羟基和羧基官能团的多糖类物质。

Results showed that the flocculant XM09 was a metabolite secreted in the extracellular by strain M09, and it was a polysaccharide rich in hydroxyl and carboxyl functional groups.

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