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Dianhua Chen, Minyan Zhao, Xinyuan Tao, Jing Ma, Ankang Liu and Mingxiu Wang
The typical lime precipitation method is used to treat high-concentration fluorine-containing wastewater. In this way, the fluorine in the wastewater can be removed in the form of CaF2. Thus, this method has a good fluoride removal effect. In this study,...
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Leila Aliieva,Natalia Hrudkina,Igramotdin Aliiev,Iaroslav Zhbankov,Oleg Markov
Pág. 15 - 22
A possibility has been investigated to use an energy method to calculate the energy-force parameters for the cold extrusion processes involving components of complex configuration. A mathematical model has been proposed for the process of combined sequen...
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Natalia Hrudkina,Leila Aliieva,Oleg Markov,Irina Marchenko,Alexander Shapoval,Payman Abhari,Mariia Kordenko
Pág. 55 - 62
The simulation of the process of combined radial reverse extrusion of hollow parts with a flange has established two fundamentally different, in terms of the components of the kinematic modules, calculation schemes CDZ-1.i and CDZ-2.j, taking into consid...
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Natalia Hrudkina,Leila Aliieva,Payman Abhari,Oleg Markov,Liudmyla Sukhovirska
Pág. 49 - 57
The possibilities of using an energy method to forecast defect formation in the form of shrinkage depression in the combined extrusion processes have been investigated. We have proposed a mathematical model of the combined radial-reverse extrusion proces...
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Adina I. Gavrila, Ciprian G. Chisega-Negrila, Laura Maholea, Mircea L. Gavrila, Oana C. Parvulescu and Ioana Popa
In this paper, the essential oil (EO) extraction from thyme by the consecutive use of ultrasound and microwave treatments is presented. The aim of this study was to apply an ultrasound pre-treatment of thyme leaves to enhance the thymol content and the e...
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Li Song, Jin-liang Liu, Chen-xing Cui, Zhi-wu Yu, Zhi-wei Fan and Jian Hou
The carbonation process of reinforced concrete (RC) beams considering the combined effect of fatigue load and environmental factors was investigated experimentally in an environmental simulation chamber based on meteorological environmental data. Fourtee...
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Oleksandr Skrylnyk, Emilie Courbon, Nicolas Heymans and Marc Frère
Domestic space heating and hot water preparation, solar energy storage.
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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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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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Jaroslav Svoboda,Miroslav Balda,Vladislav Fröhlich
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Jiaqi Ding, Ying Wan, Yujia Zou, Songlin Wang, Xiaolong Huang and Pengchao Xie
Sodium hypochlorite (NaClO) solution is wildly used to remove membrane fouling-derived organic materials and restore membrane flux, which can result in the formation of halogenated by-products. To reduce the halogenated by-products, a combined cleaning p...
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Aifeng Qiu, Qiang Cai, Yuan Zhao, Yingqing Guo and Liqian Zhao
Landfill leachate is composed of a complex composition with strong biological toxicity. The combined treatment process of coagulation and sedimentation, anaerobics, electrolysis, and aerobics was set up to treat landfill leachate. This paper explores the...
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Falah Alobaid and Jochen Ströhle
The world society ratifies international measures to reach a flexible and low-carbon energy economy, attenuating climate change and its devastating environmental consequences. The main contribution of this Special Issue is related to thermochemical conve...
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Marc Scherle and Ulrich Nieken
In process engineering, optimization is usually carried out without the simultaneous consideration of material and process. This issue is addressed in the following contribution. A model-based optimization is presented to improve the performance of adsor...
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Long Li, Xiaolan Man, Hong Zhang, Haipeng Lan, Yurong Tang, Xiuwen Fan and Yongcheng Zhang
The conditioning of moisture content is an effective way to improve walnut-crushing performance. In this study, firstly, walnuts with different moisture contents were used to conduct the crushing experiments. The distributions of fragment sizes of shells...
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Aleksandr Golubek,Mykola Dron?,Ludmila Dubovik,Andrii Dreus,Oleksii Kulyk,Petro Khorolskiy
Pág. 78 - 87
A method has been developed for the combined de-orbiting of large-size objects of space debris from low-Earth orbits using an electro-rocket propulsion system as an active de-orbiting means.A principal de-orbiting technique has been devised, which takes ...
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Natalia Hrudkina,Leila Aliieva,Oleg Markov,Khrystyna Malii,Liudmyla Sukhovirska,Mykola Kuznetsov
Pág. 110 - 117
Using the calculation schemes CS-1 (with the presence of a trapezoid module) and CS-1a (with rectangular kinematic modules) has been proposed for the process of the combined radial-direct extrusion of parts with a flange and an axial protrusion. The appl...
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Allen Kurniawan, Se Young Kwon, Jung-Hun Shin, Jin Hur and Jinwoo Cho
In this study, an anaerobic baffled reactor (ABR), combined with a post denitrification process, was applied to treat primary sludge from a municipal wastewater treatment plant and wastewater with a high concentration of nitrate. The production of volati...
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Allen Kurniawan, Se Young Kwon, Jung-Hun Shin, Jin Hur, Jinwoo Cho
Pág. 1 - 11
In this study, an anaerobic baffled reactor (ABR), combined with a post denitrification process, was applied to treat primary sludge from a municipal wastewater treatment plant and wastewater with a high concentration of nitrate. The production of volati...
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Nuno S. Graça and Alírio E. Rodrigues
Effluent treatment and reuse are essential in order to address the global problem of water scarcity. Additionally, improving the quality of treated wastewater is necessary to reduce its adverse effects on natural water resources and, consequently, on hum...
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