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Jiehui Ren, Wen Cheng, Tian Wan, Min Wang and Chengcheng Zhang
The biological aerated filter (BAF) is an effective biological treatment technology which removes the pollutants in municipal wastewater secondary treatment. However, we still know little about the interaction between the pollutants removal and microbes ...
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Jun Zhai, Jun Xiao, Md. Hasibur Rahaman, Yasinta John, Jingsong Xiao
Pág. 1 - 11
To improve nutrient removal, a full-scale hybrid constructed wetland (CW) consisting of pre-treatment units, vertical-baffled flow wetlands (VBFWs), and horizontal subsurface flow wetlands (HSFWs) was installed in August 2014 to treat sewage wastewater. ...
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Jun Zhai, Jun Xiao, Md. Hasibur Rahaman, Yasinta John and Jingsong Xiao
To improve nutrient removal, a full-scale hybrid constructed wetland (CW) consisting of pre-treatment units, vertical-baffled flow wetlands (VBFWs), and horizontal subsurface flow wetlands (HSFWs) was installed in August 2014 to treat sewage wastewater. ...
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Guangxue Wu, Derui Zheng and Lizhen Xing
The effective management of high ammonium containing wastewater is important for the sustainable development of the wastewater industry. A pre-denitrification and post-nitrification two-sludge system was proposed to treat high ammonium containing wastewa...
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José A. Amador, David A. Potts, George W. Loomis, David V. Kalen, Erika L. Patenaude and Josef H. Görres
We tested intermittent aeration of the soil treatment area (STA) of onsite wastewater treatment systems (OWTS) for its ability to restore and maintain STA hydraulic flow and improve the water quality functions of conventional OWTS. Evaluation was conduct...
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Michele Laureni, Per Falås, Orlane Robin, Arne Wick, ... Adriano Joss
Pág. 628 - 639
The implementation of autotrophic anaerobic ammonium oxidation processes for the removal of nitrogen from municipal wastewater (known as ?mainstream anammox?) bears the potential to bring wastewater treatment plants close to energy autarky. The aim of th...
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Zoltán Mareczky, Anikó Fehér, Csaba Fehér, Zsolt Barta, Katalin Réczey
Pág. 54 - 59
During the fermentative production of xylitol the following environmental parameters have a controlling effect on the xylitol yield: concentration of monosaccharides, temperature, aeration and pH. The purpose of the present work was to evaluate xylitol p...
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Mingchuan Zhang, Xi Chen, Xinyang Xu, Zhongtian Fu and Xin Zhao
After the anaerobic digestion of livestock manure, high concentrations of nutrients still remain. Treatment of livestock wastewater through partial nitrification coupled with anaerobic ammonium oxidation (ANAMMOX) could be a useful technology depending o...
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Abdelaziz M. Okasha, Nehad Deraz, Adel H. Elmetwalli, Salah Elsayed, Mayadah W. Falah, Aitazaz Ahsan Farooque and Zaher Mundher Yaseen
Water scarcity is a major constraint for food production, particularly in arid and semi-arid environments. In this regard, selecting the best irrigation technique is crucial to overcome water scarcity and enhance water productivity (WP) with no significa...
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Frank H. Arthur, William R. Morrison III and Stanislav Trdan
The use of aeration, which refers to cooling of a grain mass using low-volume airflow rates with ambient air, is an under-utilized component of management programs. A model simulation study was conducted for the country of Slovenia by examining historica...
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Hong Gao, Yuebo Xie, Sarfraz Hashim, Alamgir Akhtar Khan, Xiaolin Wang and Huiyong Xu
Contrary to the constraints in time, investment, and management of the traditional technology for waste water treatment, this paper seeks to propose a more advanced, reliable, and affordable new technology to restore urban polluted rivers to pristine qua...
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Silvano Nájera, Montserrat Gil-Martínez and Javier Rico-Azagra
Autothermal thermophilic aerobic digestion (ATAD) is an advanced sewage sludge treatment which allows compliance with increasingly demanding regulations. Concerning sludge pasteurization, a certain average temperature must be assured in the digester duri...
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Silvano Nájera, Montserrat Gil-Martínez, Javier Rico-Azagra
Pág. 1 - 15
Autothermal thermophilic aerobic digestion (ATAD) is an advanced sewage sludge treatment which allows compliance with increasingly demanding regulations. Concerning sludge pasteurization, a certain average temperature must be assured in the digester duri...
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Carmen Leix, Rebecca Hartl, Christian Zeh, Franz Beer, Jörg E. Drewes, Konrad Koch
Pág. 1 - 16
A two-stage deammonification pilot plant with two different second-stage reactors, namely a sequencing batch reactor (SBR) with suspended sludge and a moving bed biofilm reactor (MBBR) with biofilm carriers, was investigated over a 1.5-year period to com...
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Carmen Leix, Rebecca Hartl, Christian Zeh, Franz Beer, Jörg E. Drewes and Konrad Koch
A two-stage deammonification pilot plant with two different second-stage reactors, namely a sequencing batch reactor (SBR) with suspended sludge and a moving bed biofilm reactor (MBBR) with biofilm carriers, was investigated over a 1.5-year period to com...
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Min Pan, Xiaoming Huang, Guangxue Wu, Yuansheng Hu, Yan Yang and Xinmin Zhan
This study aims to investigate the effects of the organic loading rate (OLR) and the aeration rate on denitrifying phosphate removal (DPR) from slaughterhouse wastewater treated at a temperature of 11 °C. Three laboratory-scale intermittently aerated seq...
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