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João Lincho, João Gomes, Rui C. Martins and Eva Domingues
Swine wastewater (SW) was treated using industrial wastes as raw materials in a pre-treatment process (coagulation or adsorption), followed by a continuous heterogeneous Fenton reaction. Before the treatment conducted as a continuous operation, two diffe...
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Siyi Li, Zhen Tao, Yuan Liu, Shengshu Li, Rakhwe Kama, Chao Hu, Xiangyang Fan and Zhongyang Li
Treated livestock wastewater reuse for irrigation and straw return in arid regions have become common practices worldwide. However, many uncertainties still exist regarding the effects of the returning straw sizes on heavy metal accumulation in soil and ...
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Amalia García-Valero, José Alberto Acosta, Ángel Faz, María Dolores Gómez-López, Dora María Carmona, Martire Angélica Terrero, Oumaima El Bied and Silvia Martínez-Martínez
The main objective of this study was to analyze the efficiency of CWs for purifying swine wastewater in order to reduce its pollutant load. The system included a pretreatment module (raw swine wastewater tank, phase separator, and settlement tank), and t...
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Yun Zhang, Feng Liu, Yidong Lin, Lei Sun, Xinru Guo, Shuai Yang and Jinlong He
This paper studies the effects of planting plants and coupled microbial fuel cells (MFCs) on the decontamination capacity and purification mechanism of constructed wetlands (CWs). Four systems were set, namely CW-without plants (A1), CW-with plants (A2),...
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Tilak Chhetri, Gary Cunningham, Dhananjay Suresh, Bruce Shanks, Raghuraman Kannan, Anandhi Upendran and Zahra Afrasiabi
Modern agricultural activities and concentrated animal feeding operations (CAFOs) are two of the major sources of groundwater contamination that affect the quality of drinking water. Conventional water quality improvement methods include direct filtratio...
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Simeng Li and Gang Chen
Microbial fuel cells (MFCs) and microbial electrolysis cells (MECs) are promising bioelectrochemical systems (BESs) for simultaneous wastewater treatment and energy/resource recovery. Unlike conventional fuel cells that are based on stable chemical react...
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Weiwei Zhai, Tianyue Qin, Ting Guo, Muhammad Imran Khan, Xianjin Tang and Jianming Xu
In this study, the raw wastewater (RW), and effluents from the acidogenic phase (AP) and methanogenic phase (MP) in a swine wastewater treatment plant were collected to investigate the occurrence and transformation of arsenic (As), as well as the abundan...
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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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Erlon Lopes Pereira, Claudio Milton Montenegro Campos, Cristine Serafine Neves, Regina Batista Vilas Boas
Pág. 607 - 615
The use of ultraviolet radiation is an established procedure with growing application forthe disinfection of contaminated wastewater. This study aimed to evaluate the efficiency of artificial UV radiation, as a post treatment of liquid from anaerobic rea...
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Denis Leocádio Teixeira, Antonio Teixeira De Matos, Paola Alfonsa Vieira Lo Monaco, Valdeir Eustáquio Júnior, Sandy Athaíde Archer Baker
Pág. 221 - 236
This work aimed to evaluate the filtration rate in organic filters after being subjected to different repose periods in the primary treatment of swine wastewater (SWW). Filtration columns were mounted in PVC pipes measuring 100 mm in diameter and 600 mm ...
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