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Lijun Li, He Li, Lihong Tong and Yizhong Lv
It is desirable to recycle sewage sludge as fertilizer for agricultural fields. The application of sludge to agricultural soils is a measure that replaces chemical fertilizers and plays an important role in improving soil?s physicochemical and biological...
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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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Shenghai Cheng, Aibin He, Xiayu Guo, Rongyi Li, Jianbo Wang, Yucheng Qi, Pengfei Zhang, Weixu Tao, Junchao Ji, Tingcheng Zhao, Yusheng Li and Zhiyong Ai
Soil salinization negatively affects rice growth and yield; however, how different sludge sources regulate rice growth and yield under salt stress was rarely investigated. This study evaluated the performance of two salt-tolerant rice cultivars, Chaoyou ...
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Traditional plug-flow anaerobic reactors (PFRs) are characterized by lacking a mixing system and operating at high total solid concentrations, which limits their applicability for several kinds of manures. This paper studies the performance of a novel mo...
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Suselo Harjo,Akhmad A. Amin,Syaiful Anwar
Pág. 103
Composting can be use as one of the alternatives solution to managing solid waste. The purposes of this research are (1) Knowing the initial description of the potential milk powder and waste management through surveys (2) Knowing the influence of the co...
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Solmaz Aslanzadeh, Karthik Rajendran, Azam Jeihanipour and Mohammad J. Taherzadeh
The effect of recirculation in increasing organic loading rate (OLR) and decreasing hydraulic retention time (HRT) in a semi-continuous two-stage anaerobic digestion system using stirred tank reactor (CSTR) and an upflow anaerobic sludge bed (UASB) was e...
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Patrick T. Sekoai, Kelvin O. Yoro and Michael O. Daramola
This study examined the potential of organic solid waste for biohydrogen production using immobilized anaerobic sludge. Biohydrogen was produced under batch mode at process conditions of 7.9, 30.3 °C and 90 h for pH, temperature and fermentation time, re...
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Jharna Gupta, Madhu Agarwal, Ajay Kumar Dalai
Pág. 288 - 294
In this study, a novel heterogeneous catalyst was synthesized from drinking water treatment sludge obtained during defluoridation in biodiesel production by transesterification. More specifically, the sludge was converted into an effective catalyst by ca...
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Anna M. Karpinska, John Bridgeman
Pág. 861 - 879
Nowadays, one of the major challenges in the wastewater sector is the successful design and reliable operation of treatment processes, which guarantee high treatment efficiencies to comply with effluent quality criteria, while keeping the investment and ...
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Takuro Kobayashi, Ya-Peng Wu, Kai-Qin Xu and Yu-You Li
The effect of mixing by siphon flow on anaerobic digestion, sludge distribution and microbial community were examined in parallel experiments using a siphon-mixed reactor (SMR), an unmixed reactor (UMR) and a continuously mixed reactor (CMR). The SMR per...
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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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Joanna Kazimierowicz, Marcin Debowski and Marcin Zielinski
The liquid fraction from the dewatering of digested sewage sludge (LF-DSS) represents a major processing complication for wastewater treatment facilities, thus necessitating new and effective methods of LF-DSS neutralization. This pilot-scale study exami...
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George F. Antonious, Eric T. Turley, Buddhi R. Gyawali and Angel C. Freeman
Many investigators have focused on the impact of fertilizers on crop yield and ignored fertilizers impact on the plants composition. The impact of seven types of soil treatments (sewage sludge, horse manure, chicken manure, vermicompost, elemental organi...
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Rubén González, Daniela Carrillo Peña and Xiomar Gómez
Anaerobic digestion is one of the technologies that will play a key role in the decarbonization of the economy, due to its capacity to treat organic waste, recover nutrients and simultaneously produce biogas as a renewable biofuel. This feature also make...
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Enzo Montoneri, Andrea Baglieri and Giancarlo Fascella
Soluble bio-based substances (SBS) may be isolated from the anaerobic digestate of the organic humid fraction of urban waste; from the whole vegetable compost made from gardening residues and from the compost obtained after aerobic digestion of a mixture...
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Olga Zubkova, Aleksey Alexeev, Arseniy Polyanskiy, Kirill Karapetyan, Olga Kononchuk and Markus Reinmöller
The solution of the sludge utilization problem and yield increase at processing plants have great importance today all over the world. Disasters associated with the tailings dams failures have madeus develop technologies of tailings sludge utilization as...
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Sing Chee Lim, Shiew Wei Lau, Masahiro Takeo, Han Bing Chua
Pág. 44
Wastewater treatment industries were constantly seeking for feasible solutions to address secondary environmental pollutions and health hazards caused by extensive use of synthetic organic flocculants, especially in sludge dewatering. In recent years, fl...
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F.J. Rubio-Rincón, C.M. Lopez-Vazquez, L. Welles, M.C.M. van Loosdrecht, D. Brdjanovic
Pág. 156 - 164
Although simultaneous P-removal and nitrate reduction has been observed in laboratory studies as well as full-scale plants, there are contradictory reports on the ability of PAO I to efficiently use nitrate as electron acceptor. Such discrepancy could be...
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Hongfang Chen, Yin Wang, Guangwen Xu and Kunio Yoshikawa
In this study, sewage sludge and mycelial waste from antibiotic production were pyrolyzed in a batch scale fixed-bed reactor as examples of two kinds of typical industrial biomass wastes with high nitrogen content. A series of experiments were conducted ...
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