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Jiju Guo, Wengeng Cao, Guohui Lang, Qifa Sun, Tian Nan, Xiangzhi Li, Yu Ren and Zeyan Li
The presence of high concentrations of geogenic arsenic (As) in groundwater poses a serious threat to the health of millions of individuals globally. This paper examines the research progress of groundwater with high concentrations of geogenic As through...
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Giuseppe Campo, Barbara Ruffino, Arturo Reyes and Mariachiara Zanetti
The region of Antofagasta is the mining hearth of Chile. The water requirement of the local mining sector is 65% of the total water uses, with a water consumption of approx. 9 m3/s in the year 2020. That determines an important pressure onto freshwater, ...
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Siru Zhou, Chuanhan Chen and Ruohong Li
Sludge conditioning is a crucial step in sludge dewatering aimed at minimizing excessive sludge production. The Fenton process, which harnesses oxidative radicals to dismantle extracellular polymeric substances (EPS) and microorganisms, has been unequivo...
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Jiawei Li, Kun Dong, Shaoyuan Bai, Yubing Fan, Yishan Feng, Meina Liang and Dunqiu Wang
A combined anaerobic?anoxic?oxic moving bed biofilm reactor (A2O-MBBR) constructed wetlands process was used to treat low carbon-to-nitrogen (C/N) simulated sewage. The results showed that the removal rates of chemical oxygen demand (COD), ammonia nitrog...
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Shangye Chu, Xu Zeng, Hai Lin and Yuting Zhu
The performance of catalytic wet oxidation of excess activated sludge derived from pharmaceutical wastewater treatment over a Cu/?-Al2O3 catalyst was investigated. The experiments were performed with a stainless steel autoclave reactor by using the prepa...
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Jiancong Liu, Manhong Ji, Jiabao Qin, Jia Zhu and Suiyi Zhu
Waste oil scum is commonly discharged during the air flotation process at oil-bearing wastewater treatment plants and disposed as an additive in cement kilns and/or furnaces. Herein, it was mixed with a magnetite-rich waste sludge and then completely rec...
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Riccardo Bacci di Capaci, Andrea Luca Tasca, Riccardo Gori, Sandra Vitolo, Monica Puccini and Gabriele Pannocchia
Sewage sludge management at wastewater treatment plants is becoming a more and more challenging task. Here, an innovative integrated modeling approach is developed to investigate the optimization of a municipal wastewater treatment plant (MWWTP) by the i...
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Kristina Kokina, Linda Mezule, Kamila Gruskevica, Romans Neilands, Ksenija Golovko and Talis Juhna
Knowledge about inhibition of activated sludge process is crucial for control of the most applied biological wastewater treatment technology.
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Ahsin Pramugani, Toshiyuki Shimizu, Shinpei Goto, Teti Armiati Argo and Satoshi Soda
The batik industry generates large amounts of highly colored wastewater. Azo dyes in batik wastewater can cause environmental pollution. In this study, synthetic batik wastewater containing 32 mg/L Reactive Black 5 (RB5) and 32 mg/L Reactive Orange 16 (R...
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Ioana Nascu, Ioan Nascu
Pág. 59 - 69
This paper investigates the performance of a new predictive control approach used to improve the energy efficiency and effluent quality of a conventional Wastewater Treatment Plant (WWTP). A modified variant of the well-known Generalized Predictive Contr...
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