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Lucía Hernández Leal, Hardy Temmink, Grietje Zeeman and Cees J. N. Buisman
Greywater consists of household wastewater excluding toilet discharges. Three systems were compared for the biological treatment of greywater at a similar hydraulic retention time of approximately 12?13 hours. These systems were aerobic treatment in a se...
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Joanna Kazimierowicz, Marcin Debowski, Marcin Zielinski, Izabela Bartkowska, Adam Wasilewski, Dawid Lapinski and Piotr Ofman
The most common technology for the recovery of energy and valuable materials from sewage sludge is anaerobic digestion (AD). Ensuring thermophilic conditions during AD has been proven to cause process intensification and an improvement in its final outco...
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Ezlina Othman, Mohd Suffian Yusoff, Hamidi Abdul Aziz, Mohd Nordin Adlan, Mohammed J. K. Bashir and Yung-Tse Hung
This study examines the suitability of natural silica sand as a low-cost adsorbent for the removal of ammoniacal nitrogen and heavy metals, particularly iron and zinc, from semi-aerobic stabilized landfill leachate. Leachate samples were collected from t...
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K. S. Shameem and P. C. Sabumon
Aerobic granular sludge (AGS) is a recent innovative technology and is considered a forthcoming biological process for sustainable wastewater treatment. AGS is composed of the dense microbial consortium of aerobic, anaerobic, and facultative types of bac...
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Nikolay Makisha
The research revealed in the paper considers the improvement of secondary treatment of wastewater in the aerobic reactor to provide removal of organics and nutrients. There were five types of polymer biofilm carriers taken into account initially; however...
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Cristiano E. R. Reis, Heitor B. S. Bento, Thiago M. Alves, Ana K. F. Carvalho and Heizir F. De Castro
The production of ethanol from sugarcane or molasses generates vinasse, a residue rich in organic matter and minerals. Vinasse is often used in fertilization and irrigation practices, which may be linked to negative environmental outcomes if excess is ap...
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Rubén Alfonso Saucedo Terán, Celia de la Mora Orozco, Irma Julieta González Acuña, Sergio Gómez Rosales, Gerardo Domínguez Araujo, Héctor Osbaldo Rubio Arias
Pág. 1 - 11
Anaerobic digesters generate effluent containing about 3000 mg L-1 of organic matter in terms of chemical oxygen demand (COD). This effluent must be treated before being reused or discharged into the environment. The objective of this study was to evalua...
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DJABER TAZDAÏT, KATIA RABAHI, RYM SALAH
Pág. Page:97 - 108Abstrac
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Wenxia Lu, Xueyong Tian, Yongguang Ma, Yinyan Guan, Libo Liu and Liwei Shi
Sewage treatment plants face significant problems as a result of the annual growth in urban sewage discharge. Substandard sewage discharge can also be caused by rising sewage treatment expenses and unpredictable procedures. The most widely used sewage tr...
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Álef Luan de Souza Pereira, Cristina Celia Silveira Brandão, Yovanka Pérez Ginoris and Carla Patrícia Pereira Alves
Monitoring the removal of Cryptosporidium oocysts in water treatment plants is a challenge, particularly in developing countries, and the use of surrogates has proven necessary. Two surrogates already investigated and recognized by the scientific communi...
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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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Pedro Cisterna-Osorio and Patricia Arancibia-Avila
Fats and oils are the most common pollutants in wastewater, and are usually eliminated through physical processes in wastewater treatment plants, generating large amounts of fats and residual oils that are difficult to dispose of and handle. The degradat...
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Thivyah B.
Pág. 30
Large production of sago flour has indeed brought a negative effect to rivers due to improper treatment of Sago factory?s waste before discharging. In order to maintain sustainability in Sago industry, a proper treatment and utilisation of industry waste...
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Chunyan Chai, Dawei Zhang, Yanling Yu, Yujie Feng and Man Sing Wong
With rapid urbanization and infrastructure investment, wastewater treatment plants (WWTPs) in Chinese cities are putting increased pressure on energy consumption and exacerbating greenhouse gas (GHG) emissions. A carbon footprint is provided as a tool to...
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Stefania Costa, Saverio Ganzerli, Irene Rugiero, Simone Pellizzari, Paola Pedrini, Elena Tamburini
Pág. 1 - 11
The use of microorganisms to clean up wastewater provides a cheaper alternative to the conventional treatment plant. The efficiency of this method can be improved by the choice of microorganism with the potential of removing contaminants. One such group ...
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Stefania Costa, Saverio Ganzerli, Irene Rugiero, Simone Pellizzari, Paola Pedrini and Elena Tamburini
The use of microorganisms to clean up wastewater provides a cheaper alternative to the conventional treatment plant. The efficiency of this method can be improved by the choice of microorganism with the potential of removing contaminants. One such group ...
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Yung-Tse Hung, Erick Butler and Ruth Yu-Li Yeh
A review of the literature published from 2008 to 2010 on topics related to chemicals and allied products is presented. The review considered several sections such as waste management, physicochemical treatment, aerobic treatment, anaerobic treatment, ai...
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Junyi Chen, Chao Zhang, Yun Liu, Jie Tian and Jianbo Guo
Preventing the rebound of black and odorous water bodies is critical for improving the ecological environment of water bodies. This study examined the effect and underlying mechanism of in-situ improvement of the sediment microenvironment by nitrate in t...
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Anisha Bhattacharyya, Lei Liu, Kenneth Lee and Jiahe Miao
Oily wastewater is generated from various sources within the petrochemical industry, including extraction, refining and processing, storage, and transportation. Over the years, large volumes of oily wastewater from this industry have made their way into ...
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