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- macrophytes went through an eugenic period, so the nitrogen removal effect was higher. 春、夏季节生长旺盛,湿地总氮去除率普遍较高;
- nitrogen removal effect 脱氮效果
- The biological nitrogen and phosphorus removal effect and characteristics of SBR process in the treatment of sludge water from WWTP were investigated. 考察了采用SBR工艺处理城市污水厂污泥水的脱氮除磷效果及其特性。
- At present, the key of the treatment of nitric wastewater(especial low C/N wastewater) is the lack of silicon source, so the effect of nitrogen removal is not very good. 目前含氮废水(特别是低C/N废水)生物脱氮处理所面临的最大问题是碳源不足,从而导致脱氮效果不佳。
- Compared to the traditional A/O process which can never guarantee denitrification effect,the process which advanced nitrogen removal in pulsed SBR is advised newly. 脉冲式SBR工艺是针对传统SBR工艺反硝化效果较差提出的一种新型的SBR运行方式。
- Studies on mutagenicity removal effect in drinking water. 饮用水中致突变性去除效果的研究。
- In the aerobic part CASS (Cyclic Activated Sludge System) is adopted CASS is a kind of low investment and operational cost technologies with flexible operational ways and good nitrogen and phosphorus removal effect. 好氧处理采用循环活性污泥系统(CASS),循环活性污泥系统CASS工艺投资小、运行费用低、运行方式灵活、处理效率高、具有良好的脱氮除磷效果。
- The effect of aeration time,DO concentration and inlet COD loading on the COD and nitrogen removal efficiency in biofilm simultaneous nitrification and denitrification(SND)is studied. 研究了生物膜法同步硝化反硝化系统中曝气时间、溶解氧和进水COD负荷对COD及脱氮效率的影响。
- The effect of sludge recycle ratio (R) on the performance of the system was investigated in a pilot-scale step-feed anoxic/oxic (A/O) nitrogen removal process for domestic wastewater treatment. 摘要采用连续流分段进水缺氧/好氧(A/O)中试系统处理生活污水,研究污泥回流比(R)对系统性能的影响。
- The removal effects on COD,SS and organic nitrogen and the main process parameters were investigated.The effect of salinity on wastewater bio-treatment was discussed. 考察了该工艺对废水COD、固体是浮物(SS)、有机氮等的出除效果,关键工艺参数,同时探讨了盐浓度对废水生物处理效果的影响。
- Aiming at the characteristics of the municipal sewage with low carbon and high phosphorus content,the effect of different water filling ratios and HRT on nitrogen removal was studied. 针对此类污水,研究了不同的充水比和反硝化时间对处理效果的影响。
- Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor. 固定床自养反硝化去除地下水中的硝酸盐氮。
- Nitrification is an important step to affect nitrogen removal in biological treatment processes. 生物脱氮系统中,硝化作用好坏是影响脱氮工艺效率的重要步骤。
- The influence of C/N ratio on the nitrogen removal was investigated in the suspended carrier biological reactor. 文章研究了C/N对悬浮填料生物反应器脱氮效果的影响。
- The removal effects of Jussiaea stipulacea Ohwi on nitrogen and phosphorus in eutrophic water were further studied in indoor experiment,as well as in field observation. 采用室内试验和现场观测相结合的方式,进一步探讨了黄花水龙对富营养化水体中氮磷的去除效果。
- LY,with heterotrophic nitrogen removal ability,can biodegrade many kinds of toxic organic pollutants. LY降解去除有毒有机污染物的性能。
- Iron and wood can be removed effectively. 能有效地排除铁、木等杂物。
- Does not remove effects already on the imbiber. 但不可驱散已经存在的效果。
- When the water temperature was more than 25 degree Celsius, Removal effect of cyanide and chroma were distinct. 水温在25℃以上时,氰化物和色度去除效果比较明显。
- The removal effect of NH_3-N,NO_3-N, and chromaticity in the third part of the corridor was not satisfactory. 廊道的第三段对氨氮、硝酸盐氮、色度的去除效果不明显。