Li Zheng-Kui, Zhang Xiao-Jiao, Yang Zhu-You, Shi Lu-Na, Wang Yue-Ming, Feng Lu-Lu, Lü Yi-Xiu
State Key Laboratory of Pollutant Control and Resources Reuse, School of Environment, Nanjing University, Nanjing 210093, China.
Huan Jing Ke Xue. 2009 Jun 15;30(6):1626-31.
Nitrogen cycling bacteria, including ammonifying, nitrobacteria, nitrosobacteria and denitrifying bacteria were screened, carrier was made and immobilized nitrogen cycling bacteria (INCB) was prepared. The results demonstrated that ammonifying, nitrobacteria, nitrosobacteria and denitrifying bacteria were increased markedly in the experimental areas and root zone of aquatic plants by releasing of INCB. The results also showed that the average removal efficiencies for total N (TN), NH4(+) -N, NO3(-) -N and NO2(-) -N were 44.70%, 67.17%, 31.79% and 74.21%, respectively. Furthermore, NH4(+) -N, total N (TN) reached the National Standard II and IV for surface water, respectively. With INCB, local lake water quality could improve. Therefore, the technique of INCB could play an important role for remedying and rehabilitating in desertification water.
筛选了包括氨化细菌、硝化细菌、亚硝化细菌和反硝化细菌在内的氮循环细菌,制作了载体并制备了固定化氮循环细菌(INCB)。结果表明,通过投放INCB,试验区和水生植物根区的氨化细菌、硝化细菌、亚硝化细菌和反硝化细菌显著增加。结果还表明,总氮(TN)、NH4(+) -N、NO3(-) -N和NO2(-) -N的平均去除效率分别为44.70%、67.17%、31.79%和74.21%。此外,NH4(+) -N、总氮(TN)分别达到了地表水国家二级和四级标准。使用INCB可以改善当地湖泊水质。因此,INCB技术在荒漠化水体的修复和治理中可以发挥重要作用。