Search Results - "Christos Akratos"

Effect of temperature, HRT, vegetation and porous media on removal efficiency of pilot-scale horizontal subsurface flow constructed wetlands by Akratos, Christos S., Tsihrintzis, Vassilios A.

“…In order to investigate the effect of temperature, hydraulic residence time (HRT), vegetation type and porous media material and grain size on the performance…”
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A novel horizontal subsurface flow constructed wetland: Reducing area requirements and clogging risk by Tatoulis, Triantafyllos, Akratos, Christos S., Tekerlekopoulou, Athanasia G., Vayenas, Dimitrios V., Stefanakis, Alexandros I.

“…The use of Constructed Wetlands (CWs) has been nowadays expanded from municipal to industrial and agro-industrial wastewaters. The main limitations of CWs…”
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Olive mill waste composting: A review by Muktadirul Bari Chowdhury, Abu Khayer Md, Akratos, Christos S., Vayenas, Dimitrios V., Pavlou, Stavros

“…Olive mill wastes exacerbate environmental problems in Mediterranean countries. These wastes are highly phytotoxic and contain phenolic compounds, lipids and…”
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Mathematical modeling of constructed wetlands for hexavalent chromium removal by Karametos, Ioannis, Vasiliadou, Ioanna A., Papaevangelou, Vassiliki, Sultana, Mar-Yam, Tekerlekopoulou, Athanasia G., Vayenas, Dimitrios V., Akratos, Christos S.

“…Constructed wetlands (CWs) have been extensively used in Cr(VI) removal and have proven their ability to achieve high removal efficiencies. Although, numerous…”
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Biotreatment of raisin and winery wastewaters and simultaneous biodiesel production using a Leptolyngbya-based microbial consortium by Tsolcha, Olga N., Tekerlekopoulou, Athanasia G., Akratos, Christos S., Aggelis, George, Genitsaris, Savvas, Moustaka-Gouni, Maria, Vayenas, Dimitrios V.

“…Combining wastewater treatment with biodiesel production can greatly reduce the cost of environmentally friendly technologies. In this work wastewaters of high…”
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Chromium removal in constructed wetlands: A review by Sultana, Mar-Yam, Akratos, Christos S., Pavlou, Stavros, Vayenas, Dimitrios V.

“…The distribution, mobility and availability of metals in the environment depend not only on their total concentration but also on their formations and bounds…”
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A Leptolyngbya-based microbial consortium for agro-industrial wastewaters treatment and biodiesel production by Tsolcha, Olga N., Tekerlekopoulou, Athanasia G., Akratos, Christos S., Antonopoulou, Georgia, Aggelis, George, Genitsaris, Savvas, Moustaka-Gouni, Maria, Vayenas, Dimitrios V.

“…A mixed cyanobacterial-mixotrophic algal population, dominated by the filamentous cyanobacterium Leptolyngbya sp. and the microalga Ochromonas (which…”
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Treatment of olive mill wastewater in pilot-scale vertical flow constructed wetlands by Herouvim, Elissavet, Akratos, Christos S., Tekerlekopoulou, Athanasia, Vayenas, Dimitrios V.

“…Pilot-scale constructed wetlands (CW) were constructed and operated to treat pre-treated olive mill wastewater. Pilot-scale units comprising three identical…”
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Molasses as an efficient low-cost carbon source for biological Cr(VI) removal by Michailides, Michail K., Tekerlekopoulou, Athanasia G., Akratos, Christos S., Coles, Sandra, Pavlou, Stavros, Vayenas, Dimitrios V.

“…•Suspended and attached growth reactors were examined for Cr(VI) bio-reduction.•Molasses was proved an efficient and very low cost carbon source.•Molasses was…”
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Treatment of table olive washing water using trickling filters, constructed wetlands and electrooxidation by Tatoulis, Triantafyllos, Stefanakis, Alexandros, Frontistis, Zacharias, Akratos, Christos S., Tekerlekopoulou, Athanasia G., Mantzavinos, Dionissios, Vayenas, Dimitrios V.

“…The production of table olives is a significant economic activity in Mediterranean countries. Table olive processing generates large volumes of rinsing water…”
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Treatment of second cheese whey effluents using a Choricystis-based system with simultaneous lipid production by Tsolcha, Olga N, Tekerlekopoulou, Athanasia G, Akratos, Christos S, Bellou, Stamatia, Aggelis, George, Katsiapi, Matina, Moustaka-Gouni, Maria, Vayenas, Dimitrios V

“…BACKROUND Recently the utilization of microalgae for biological nutrient and organic load removal from industrial wastewater streams has been of great research…”
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Effect of hydraulic retention time, temperature, and organic load on a horizontal subsurface flow constructed wetland treating cheese whey wastewater by Sultana, Mar‐Yam, Mourti, Christina, Tatoulis, Triantafyllos, Akratos, Christos S, Tekerlekopoulou, Athanasia G, Vayenas, Dimitrios V

“…BACKGROUND: One of the main components of dairy wastewaters is cheese whey. Although different technologies have been used extensively in the past for…”
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Evaluation of Multiple Classifier Systems for Mapping Different Hierarchical Levels of Forest Ecosystems in the Mediterranean Region Using Sentinel-2, Sentinel-1, and ICESat-2 Data by Giorgos Mallinis, Natalia Verde, Sofia Siachalou, Dionisis Latinopoulos, Christos Akratos, Ifigenia Kagalou

“…The conservation and management of forest areas require knowledge about their extent and attributes on multiple scales. The combination of multiple classifiers…”
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Aerobic biological treatment of second cheese whey in suspended and attached growth reactors by Tatoulis, Triantafyllos I, Tekerlekopoulou, Athanasia G, Akratos, Christos S, Pavlou, Stavros, Vayenas, Dimitrios V

“…BACKGROUND: Second cheese whey is a strong organic and saline effluent whose characterization and treatment have not been sufficiently addressed. RESULTS:…”
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Effect of C/N ratio and support material on heterotrophic denitrification of potable water in bio-filters using sugar as carbon source by Karanasios, Konstantinos A., Vasiliadou, Ioanna A., Tekerlekopoulou, Athanasia G., Akratos, Christos S., Pavlou, Stavros, Vayenas, Dimitrios V.

“…This work studied heterotrophic denitrification in packed-bed reactors using sugar as electron donor and carbon source. Two pilot-scale bio-filters, loaded…”
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Effect of wastewater step-feeding on removal efficiency of pilot-scale horizontal subsurface flow constructed wetlands by Stefanakis, Alexandros I., Akratos, Christos S., Tsihrintzis, Vassilios A.

“…The performance of a pilot-scale horizontal subsurface flow (HSF) constructed wetland is investigated with emphasis on the effects of wastewater step-feeding…”
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Integrated Cr(VI) removal using constructed wetlands and composting by Sultana, Mar-Yam, Chowdhury, Abu Khayer Md Muktadirul Bari, Michailides, Michail K, Akratos, Christos S, Tekerlekopoulou, Athanasia G, Vayenas, Dimitrios V

“…The present work was conducted to study integrated chromium removal from aqueous solutions in horizontal subsurface (HSF) constructed wetlands. Two pilot-scale…”
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Effluent quality improvement of two pilot-scale, horizontal subsurface flow constructed wetlands using natural zeolite (clinoptilolite) by Stefanakis, Alexandros I., Akratos, Christos S., Gikas, Georgios D., Tsihrintzis, Vassilios A.

“…The performance of natural zeolite is presented in providing additional treatment of the effluent of two pilot-scale, horizontal subsurface flow constructed…”
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Mathematical modeling of olive mill waste composting process by Vasiliadou, Ioanna A., Muktadirul Bari Chowdhury, Abu Khayer Md, Akratos, Christos S., Tekerlekopoulou, Athanasia G., Pavlou, Stavros, Vayenas, Dimitrios V.

“…•We simulate the composting process of olive mill waste with a multi-component model.•The main physicochemical and biological mechanisms were included in the…”
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Is physicochemical evaluation enough to characterize olive mill waste compost as soil amendment? The case of genotoxicity and cytotoxicity evaluation by Chowdhury, Abu Khayer Md Muktadirul Bari, Konstantinou, Foteini, Damati, Artemisia, Akratos, Christos S., Vlastos, Dimitris, Tekerlekopoulou, Athanasia G., Vayenas, Dimitrios V.

“…Composting is considered a viable solution for olive mill waste. Among others, composting duration, bulking agents and their ratios are crucial factors that…”
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