全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:He Chengda , Xu Qiujin
来源:[J].Environmental Science and Pollution Research(IF 2.618), 2016, Vol.23 (22), pp.22489-22499Springer
摘要:Abstract(#br)Acid deposition causes carbonate dissolution in watersheds and leads to profound impacts on water chemistry of lakes. Here, we presented a detailed study on the seasonal, spatial, and vertical variations of calcium and magnesium species in the overlying water, i...
作者:... Sun Fuhong , Zhao Jian , He Chengda
来源:[J].Chemosphere(IF 3.137), 2019, Vol.226, pp.149-158Elsevier
摘要:Abstract(#br)Acid deposition and algae blooms have resulted in great changes in the water chemistry of Taihu Lake; however, there have been few calculated results to describe these processes. Here we used a mass balance model to estimate base cation losses and evaluate the m...
作者:... Huang Suiliang , He Chengda , Chiu on Ng
来源:[J].Energy Procedia, 2011, Vol.11, pp.3993-3998Elsevier
摘要:Abstract(#br)In this paper a three dimensional numerical model was developed for modeling solute removal in subsurface flow constructed wetlands. The numerical model was applied to modeling TP removal in the horizontal subsurface constructed wetland (HSSF) and the wavy subsurface...
作者:He Chengda , Fu Dafang
来源:[J].Journal of environmental management, 2018, Vol.223, pp.600-606PubMed
摘要:Current study was aimed to make further improvements in measuring low density polyethylene (LDPE) -water partition coefficient (KPE-w) for organic chemicals. Modified theoretical linear solvation energy relationship (MTLSER) model and quantitative structure activi...
作者:He Chengda , Pang Jingjin
来源:[J].The Science of the total environment, 2019, Vol.697, pp.134101PubMed
摘要:A two-sludge system consisting of A2/O (Anaerobic Anoxic Oxic) and NMBBR (Nitrification Moving Bed Biofilm Reactor) was developed. Stable and efficient denitrifying phosphorus removal can be realized by high-efficiency utilization of carbon sources in A2/O reactor with the e...
作者:朴哲 , 荆磊 , 李玉敏 ...
来源:[J].工业水处理, 2011, (11), pp.19-22CNKI
摘要:研究了不同NH4+浓度下SBR系统脱氮中的N2O排放,并采用PCR-DGGE技术分析了微生物群落特征。结果发现,随着NH4+浓度的提高,氮素转化效率下降,此时脱氮中N2O-N所占比例明显增加,实验条件下N2O-N在脱氮中所占比例在0.25%...
被引频次:1下载频次:63
作者:刘祥 , 何成达 , 苗小丽 ...
来源:[J].水处理技术, 2014, (01), pp.96-99+103CNKI
摘要:利用超滤-纳滤膜法对改进A2N工艺污水中碳源分子量进行测定,根据分布变化及利用研究不同分子量大小碳源对硝化-反硝化特性的影响。结果表明,好氧硝化池中,各分子质量区间的有机物都有所利用,其中10×104~5×10...
被引频次:-下载频次:-
作者:李彬彬 , 余静 , 何成达 ...
来源:[J].环境工程, 2016, (S1), pp.272-277+311
摘要:用序批和静态的方法,研究OSA工艺中曝气池和厌氧池活性污泥对有机污染物的初期吸附特性,并探究两种污泥在不同混合比下污泥特性对吸附性能的影响。结果表明,活性污泥对污水中有机物初期吸附是一个以物...
作者:许青青 , 何成达 , 余梦宇 ...
来源:[J].环境工程学报, 2017, (02), pp.867-871
摘要:针对油脂废水恶臭问题,采用外加硝酸盐氮的反硝化法降解油脂废水中恶臭物质,并研究了处理前后挥发性有机物质的变化情况及其机理分析。结果表明:在缺氧条件下,反硝化菌可利用NO_3~--N作为电子受体,油脂废...

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