复合硝化菌制剂对水质改良的应用效果

室内静态水体中0.25mg/L复合硝化菌制剂使用后,7d内氨氮平均降解率为34.84%,亚硝酸盐氮的平均降解率为19.05%。0.5mg/L组氨氮平均降解率为45.05%,亚硝酸盐的平均降解率为41.79%。1.0mg/L组的氨氮平均降解率为55.26%,亚硝酸盐氮平均降解率为51.20%。氨氮和亚硝酸盐氮的最大的降解峰值出现6d之间。而养殖池塘中,0.5mg/L复合硝化菌制剂后,5d内氨氮的降解率为13.61%～28.03%,7d内亚硝酸盐氮的降解率为9.30%～25.58%。0.2mg/L复合硝化菌制剂使用后,6d内氨氮的降解为23.40%～34.75%,7d内亚硝酸盐氮的降解率为16.33%～36.13%。试验结果表明,复合硝化菌制剂在养殖池塘中使用后,有降解速度快、降解能力强、维持时间长等特点,适宜于作为净化和调控养殖水质的渔用微生物制剂使用。

Application effect of nitrobacteria complex preparation on Water quality

The degradation rate of ammonia nitrogen and nitrite was reduced to 34.84% and 19.05%,45.05% and 41.79% ,55.26% and 51.20% ,respectively,when exposed to 0.25 mg/L,0.5 mg/L,1.0 mg/L nitrobacteria complex preparation in static water on day 7. The minimum value of degradation rate of ammonia nitrogen and Nitrite appeared on day 6. when the applying nitrobacteria complex preparation was 0.5 mg/L in the aquaculture ponds,the degradation rate of ammonia nitrogen rang from 13.61% to 28.03% on day 5. when it comes to 0.2 mg/L,the degradation rate of ammonia nitrogen and Nitrite was 13.61% ～ 28.03%,16.33%～36.13%,respectively.The results indicated that nitrobacteria complex preparation had efficacy on reducing the content of ammonia nitrogen and nitrite in aquatic farming water. It provided that nitrobacteria complex preparation might be potential sources of microbial preparation for the purification of farming water.