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Wenzhi Xu, Quanchun Yuan, Jin Zeng and Xiaolan Lyu
As a key component of fertilization equipment, the fertilizer discharger has an important impact on the accuracy of the amount of fertilizer applied during the fertilization process. Countries around the world have been advocating for reducing the use of...
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Andrea Jobbágy, Bernadett Kiss, Vince Bakos
Pág. 149 - 155
Impact of marginal availability and severe deficiency of nitrogen on the growth of glycogen accumulating organisms (GAOs) and performance of anaerobic/aerobic activated sludge systems treating nutrient deficient wastewater was investigated at marginal av...
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Marwa Y. Shaheen, Amani M. Basudan, Abdurahman A. Niazy, Jeroen J. J. P. van den Beucken, John A. Jansen and Hamdan S. Alghamdi
The aim of this study was to evaluate the regeneration of bone defects created in the femoral condyle of osteoporotic rats, following intravenous (IV) zoledronate (ZA) treatment in three settings: pre-bone grafting (ZA-Pre), post-bone grafting (ZA-Post),...
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Peter Ojo and Augustine O. Ifelebuegu
The use of metal salts like aluminium in the precipitation of phosphorus in activated sludge plants has increased considerably in recent years due to the need to achieve tighter discharge consents for phosphorus in treated wastewater effluent. The impact...
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Peter Ojo and Augustine O. Ifelebuegu
The use of metal salts like aluminium in the precipitation of phosphorus in activated sludge plants has increased considerably in recent years due to the need to achieve tighter discharge consents for phosphorus in treated wastewater effluent. The impact...
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André Felipe Librantz, Fábio Cosme Rodrigues dos Santos, Cleber Gustavo Dias
Pág. e37275
Artificial neural networks in the multivariable control of chlorine dosing in the post-chlorination stage in a water treatment plant in the Greater São Paulo, Brazil, are analyzed. The plant has constant fluctuations in chlorine demand caused by natural ...
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André Felipe Librantz, Fábio Cosme Rodrigues dos Santos, Cleber Gustavo Dias (Author)
Pág. e37275
Artificial neural networks in the multivariable control of chlorine dosing in the post-chlorination stage in a water treatment plant in the Greater São Paulo, Brazil, are analyzed. The plant has constant fluctuations in chlorine demand caused by natural ...
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A. V. Pismenskiy
Pág. 111 - 118
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Sung Soo Yoo
This study examined the optimum coagulation conditions for reducing irreversible fouling during the in-line coagulation/ultrafiltration (UF) membrane process and assessed the decrease in operating cost. The coagulation conditions that generated charge-ne...
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Peiyu Wang, Chunrui Zhang, Liangkuan Zhu and Chengcheng Wang
For achieving high-performance control for a particleboard glue mixing and dosing control system, which is a time-delay system in low frequency working conditions, an improved active disturbance rejection controller is proposed. In order to reduce oversh...
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Bing Li, Wenbin Zheng and Yang Zhang
This study aims to investigate the effect of high temperature on the mechanical properties of low-slump polypropylene fiber (PPF) concrete, and tests the tensile and compressive properties of 204 groups of low-slump PPF concrete with eight different dosa...
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Alexander Keucken, Gerald Heinicke, Kenneth M. Persson and Stephan J. Köhler
Membrane hybrid processes?coagulation coupled with ultrafiltration (UF)?have become a common method to comply with the legal, chemical, and microbiological requirements for drinking water. The main advantages of integrating coagulation with membrane filt...
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Alexander Keucken, Gerald Heinicke, Kenneth M. Persson, Stephan J. Köhler
Pág. 1 - 29
Membrane hybrid processes?coagulation coupled with ultrafiltration (UF)?have become a common method to comply with the legal, chemical, and microbiological requirements for drinking water. The main advantages of integrating coagulation with membrane filt...
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Janet A. Atoyan, Andrew M. Staroscik, David R. Nelson, Erika L. Patenaude, David A. Potts and José A. Amador
Soil-based wastewater treatment systems, or leachfields, rely on microbial processes for improving the quality of wastewater before it reaches the groundwater. These processes are affected by physicochemical system properties, such as O2 availability, an...
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Curtis Harris, Cham Dallas, Edward Rollor III, Catherine White, Benjamin Blount, Liza Valentin-Blasini and Jeffrey Fisher
Radioactive iodide (131I-) protection studies have focused primarily on the thyroid gland and disturbances in the hypothalamic-pituitary-thyroid axis. The objective of the current study was to establish 131I- urinary excretion profiles for saline, and th...
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Beatriz Eugenia Ospina Betancur, Walter Murillo Arango
Pág. e16913
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Faisal I. Hai, Thomas Riley, Samia Shawkat, Saleh F. Magram and Kazuo Yamamoto
The continued depletion of fresh drinking water resources throughout the world has increased the need for a variety of water treatment and recycling strategies. Conventional wastewater treatment processes rely on extensive chemical post-disinfection to c...
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Faisal I. Hai, Thomas Riley, Samia Shawkat, Saleh F. Magram and Kazuo Yamamoto
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Yixin Yan, Dafang Fu and Jiayuan Shi
In this study, immobilized microbial beads were proposed as a solution for excessive nitrogen concentration of the river sediment. The predominant denitrifying microbes were screened from the river sediment. The optimized production of immobilized microb...
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Lukas Simon Kriem, Carsten Pietzka, Marc Beckett, Luisa Gärtling and Benjamin Wriedt
Technological advancement in recent decades has allowed for crop cultivation in soilless controlled environments, known as hydroponics, and this is being employed in an increasing number of factories worldwide. With continued local and regional disruptio...
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