1) Nitrogen and COD removal
脱氮去除COD
2) the removal efficiency of COD and ammonia
COD和氨氮去除率
3) the removal efficiency of COD and NH3-N
COD及氨氮去除率
4) nitrate and COD removal rate
硝酸盐氮和COD去除率
5) COD removal
COD去除率
1.
The effects of operating conditions such as ultrasonic frequencies,ultrasonic powers,Fenton's reagent dosage and pH value on color and COD removal were investigated.
研究内容包括:超声波频率对垃圾渗滤液色度和COD去除率的影响,超声波功率对垃圾渗滤液色度和COD去除率的影响以及Fenton试剂用量和pH值对垃圾渗滤液色度去除率和COD去除率的影响。
2.
It was shown that the COD removal rate of sodium bentonite is 38.
膨润土应用于城市污水的吸附研究结果表明:膨润土原矿对废水中COD去除率为38。
3.
Under these conditions,the COD removal is about 88 % when hydrogen peroxide is put in wastewater by one time.
对采用Fenton试剂处理苯酚废水进行了研究,探讨了n[H2O2]、n[Fe2+]/n[H2O2]、pH值、反应温度、反应时间等因素对COD去除率的影响,确定了最佳处理条件:n[H2O2]=13 mmol/L,n[Fe2+]/n[H2O2]=1∶10,pH=3,温度为30℃,反应时间为60 min,COD去除率在88%左右。
6) COD removal rate
COD去除率
1.
On condition that the optimum dosage of Al_2(SO_4)_3 was 500 mg/L,the COD removal rate achieved 34%.
通过对废水处理前后各项指标及处理成本等各方面因素进行综合分析,结果得知,Al2(SO4)3作为马铃薯淀粉废水的混凝剂较为合适,此时Al2(SO4)3的最佳投药量为500mg/L,对废水的COD去除率可达到34%左右。
2.
To improve the influence of such experimental parameters as roasted temperature, roasted time, the amounts of catalyst and H2O2, radiant time and pH value, it was studied that the COD removal rate together with the optimum conditions such as the roasted temperature of TiO2 at 500℃, roasted time at 2h, the amount of TiO2 at 2.
以TiO2为催化剂,用光催化氧化法处理制浆造纸废水,讨论了不同实验条件如焙烧温度、焙烧时间、催化剂用量、H2O2用量、光照时间及废水pH值等对废水COD去除率的影响。
3.
The influences of pH value,adding amount of chitosan,stiring rate and flocculating time on the COD removal rate are investigated,the optimal experimental conditions are determined as follows: pH range of wastewater 6.
由甲壳素制备壳聚糖用于制浆造纸废水的处理,考察pH、壳聚糖用量、搅拌速率及絮凝时间等对COD去除率和透光度的影响,得出最佳实验条件:pH为6。
补充资料：A/O生物脱氮法
分子式：
CAS号：
性质：A/O(厌氧/好氧)系统为一厌氧-好氧顺序的生物脱氮过程。它是在常规活性污泥悬浮生长系统主流中用厌氧段和好氧段相结合，同时去除废水中有机物和生物脱氮（包括硝化和反硝化）的过程。硝化作用系在好氧段进行，由硝化菌将氨氮转化为硝酸盐氮。好氧生物处理的出水回流至厌氧段，利用废水的有机物作为碳源，通过反硝化菌进行反硝化反应，将硝酸盐转化为氮气。这就是一般所说的反硝化-硝化脱氮过程。
CAS号：
性质：A/O(厌氧/好氧)系统为一厌氧-好氧顺序的生物脱氮过程。它是在常规活性污泥悬浮生长系统主流中用厌氧段和好氧段相结合，同时去除废水中有机物和生物脱氮（包括硝化和反硝化）的过程。硝化作用系在好氧段进行，由硝化菌将氨氮转化为硝酸盐氮。好氧生物处理的出水回流至厌氧段，利用废水的有机物作为碳源，通过反硝化菌进行反硝化反应，将硝酸盐转化为氮气。这就是一般所说的反硝化-硝化脱氮过程。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条