Studies of bacterial community in sediment of Xiangjiang River

As photocatalysts applied more and more often to treat pollutants by photocatalytic reactions, they may enter the environment via water spreading. Although there are some investigations about their influence on different organisms, little is known about its impact on the ecological microenvironment. To understand how photocatalysts effect sediment ecological microenvironment in the process of pollution remediation, the impact of typical photocatalyst g-C3N4 (Graphitic carbon nitride) on rivered sediment community polluted by typical antibiotic tetracycline (TC) was investigated.

随着光催化剂（photocatalyst）愈发频繁地通过光催化反应应用于污染物治理，其可通过水体扩散进入自然环境。尽管已有部分研究探讨了光催化剂对不同生物的影响，但针对其对生态微环境的作用却鲜有报道。为阐明光催化剂在污染修复过程中对沉积物生态微环境的影响，本研究针对典型光催化剂石墨相氮化碳（Graphitic carbon nitride，g-C3N4）对受典型抗生素四环素（tetracycline，TC）污染的河流沉积物群落的作用展开了探究。