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Jan Moestedt, Jonas Malmborg and Erik Nordell
To optimize commercial-scale biogas production, it is important to evaluate the performance of each microbial step in the anaerobic process. Hydrolysis and methanogenesis are usually the rate-limiting steps during digestion of organic waste and by-produ...
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Konstantina Kassoumi, Dimitrios Sevastos and Athanasia Koliadima
Reversed-flow gas chromatography (R.F.G.C.) was employed to assess the impact of genetic modification on Saccharomyces cerevisiae yeast strains during the process of alcoholic fermentation, utilizing fig syrup. Multiple fermentations were carried out at ...
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Lei Han, Frank Siekmann and Cornelius Zetzsch
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Lijuan Cui, Wei Li, Yaqiong Zhang, Jiaming Wei, Yinru Lei, Manyin Zhang, Xu Pan, Xinsheng Zhao, Kai Li and Wu Ma
We monitored the water quality and hydrological conditions of a horizontal subsurface constructed wetland (HSSF-CW) in Beijing, China, for two years. We simulated the area-based constant and the temperature coefficient with the first-order kinetic model....
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Lijuan Cui, Wei Li, Yaqiong Zhang, Jiaming Wei, Yinru Lei, Manyin Zhang, Xu Pan, Xinsheng Zhao, Kai Li, Wu Ma
Pág. 1 - 14
We monitored the water quality and hydrological conditions of a horizontal subsurface constructed wetland (HSSF-CW) in Beijing, China, for two years. We simulated the area-based constant and the temperature coefficient with the first-order kinetic model....
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Roger Painter, Tom Byl, Lonnie Sharpe, Ahmad Kheder and Justin Harris
Natural attenuation of groundwater contamination occurs at some level for all aquifers impacted with organic contaminants. The issues regarding natural attenuation are whether it takes place at a sufficient rate to be protective of human health and the e...
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Vladimir Silkin, Alexander Abakumov, Nikolay Esin, Larisa Pautova, Anna Lifanchuk and Alexey Fedorov
The seasonal dynamics of the NE Black Sea phytoplankton follow the following pattern: small diatoms (spring) ? coccolithophorid Emiliania huxleyi (late spring?early summer) ? large diatoms (summer). Our hypothesis states that nitrogen and phosphorus conc...
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Yuanman Yue, Zepeng Zang, Fangxin Wan, Qian Zhang, Jianwei Shang, Yanrui Xu, Chunhui Jiang, Tongxun Wang and Xiaopeng Huang
In this paper, the effects of ultrasonic pretreatment on the drying kinetics, bioactive components (polysaccharides, total phenols, total flavonoids and antioxidant), qualitative characteristics (color index, lobetyolin and syringin) and microstructure o...
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Syed I. Hussain, Carol J. Ptacek, David W. Blowes, YingYing Liu, Brent C. Wootton, Gordon Balch and James Higgins
The occurrence of pharmaceutically active compounds (PhACs), nutrients, and an artificial sweetener acesulfame in wastewater, and subsequent removal in an engineered system comprising aerobic wetland, anaerobic wetland, and steel slag cells, were investi...
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Melanie Voigt, Benjamin Hentschel, Nina Theiss, Christina Savelsberg, Indra Bartels, Anna Nickisch-Hartfiel and Martin Jaeger
Pharmaceuticals in waters represent a worldwide problem of today. Advanced oxidation processes (AOPs) are being researched for elimination of the ecological hazard. Among the substances, the fluoroquinolone antibiotic lomefloxacin was selected for invest...
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Deepak Sridhar, Gattumane Motappa Madhu
Pág. 288 - 295
Casuarina equisetifolia wood is extensively used as fire wood and is also being used extensively in gassifiers. Drying is an important procedure which has to be carried out before the wood is burnt. Experiments on Casuarina wood chips of dimension 5.08 c...
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Zejun Liu, Xiaoping Hu, Zhen He and Jianjun Wu
The increasing demand for high energy density fuels and the concern for their safety have propelled research in the field of gelled propellants, where understanding the combustion of single gelled fuel droplets is the first stage to predict the spray com...
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Zhaohui Meng, Sihai Hu, Ran Sun, Chengzhen Meng, Yaoguo Wu and Xiaofeng Sun
The transport of mobile colloidal particles with organic pollutants in porous media has attracted considerable attention. Aniline and 2,4,6-trinitrotoluene (TNT), as aromatic compounds and key components of energetic materials, are continuously released ...
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Xin Ma, Lei Zheng, Zifu Li, Lingling Zhang, Shikun Cheng and Xuemei Wang
This study explored the nitrate reduction by Al-Fe alloy. The nitrate conversions of fresh, 30-day and 90-day alloys were 78.1%, 42.8% and 9.5%, respectively. Water activation promoted the reducing ability of the alloy (98% nitrate removal), which was hi...
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Chenyan Hu, Qiangbing Wang, Yi-Li Lin, Yeye Zhu, Cun Xiong, Dandan Huang and Ling Xu
As the detection of micropollutants in various water resources is commonly reported, developing an efficient technology to remove them to maintain water safety has become a major focus in recent years. The degradation kinetics of iopromide, one of a grou...
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Sebastian Paufler, Thomas Grischek, Marcos Roberto Benso, Nadine Seidel and Thomas Fischer
The climate-related variables, river discharge, and water temperature, are the main factors controlling the quality of the bank filtrate by affecting infiltration rates, travel times, and redox conditions. The impact of temperature and discharge on manga...
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Sung-Wook Jeen
To better predict long-term performance of a remediation system, parameters of a numerical model should be constrained with care by calibrating with reliable experimental data. This study conducted sensitivity analyses for model parameters, which were sh...
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Yifeng Wu, Hongliang Dai, Jianyong Wu
Pág. 1 - 13
To improve aquatic environmental quality and maintain channel stability against soil erosion, ecological bank slope revetments for surface water bodies were developed using a combination of prefabricated porous concrete spheres and vegetation methods, an...
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Michael J. Haverstock, Ali Madani, Hambaliou Baldé, Andrew C. VanderZaag, Robert J. Gordon
Pág. 1 - 15
Constructed wetlands (CW) have gained recognition as a management option for the treatment of various agricultural wastewaters. This study involved the design, construction, and initial evaluation of a wetland-reservoir-irrigation (WRI) system. The syste...
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Bernardo A. Latorre, Susana Rojas, Gonzalo A. Díaz, Hernán Chuaqui
Pág. 473 - 480
B.A. Latorre, S. Rojas, G.A. Díaz, and H. Chuaqui. 2012. Germicidal effect of UV light on epiphytic fungi isolated from blueberry. Cien. Inv. Agr. 39(3): 473-480. The present study examined the inactivation effect of ultraviolet (UV) light on the conidia...
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