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This book presents an introductory editorial paper and publications referring to current problems and challenges in the field of wastewater treatment. The published articles cover a wide range of topics (reducing the concentration of hydrogen sulfide in biogas and decreasing release of phosphate into a sludge liquor at WWTPs; water ecosystem protection from antibiotics through the use of AOP methods; tertiary wastewater treatment in bio-filtration systems assisted by the addition of hydrogen peroxide to stimulate microbial activity; odor removal using biological methods; the impact of WWTPs on the environment by taking into account energy consumption, noise, and the formation of bioaerosols; and odor nuisances), which show significant progress in the research and implementation of innovative solutions in wastewater treatment technology.

Research & information: general --- hydrogen peroxide --- high-rate biofiltration --- nitrification --- denitrification --- AOPs --- assessment of ecotoxicity --- fluoroquinolones --- high resolution mass spectrometry --- IC50 --- MIC --- QSAR --- waste ochre --- biogas --- enhanced phosphorus removal --- hydrogen sulfide --- phosphates precipitation --- wastewater treatment plant --- environment --- impact --- life-cycle assessment --- environmental impact assessment --- green building --- environmental management system --- environmental aspects --- wastewater technology --- management tool --- biodegradation --- odors --- H2S --- NH3 --- n/a

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Here is a cohesive compilation of recent research results into the many aspects of water purification. Major sections cover the characterization and environmental impact of aquatic humic substances, their reactions in natural water and sediments, and their influences on water treatment. Topics examined include hazardous waste chemicals, water solubility enhancement, sorption, metal speciation, and photochemistry. Specific types of treatment processes are also described.

Humic acid --- Organic water pollutants --- Chemistry --- Physical Sciences & Mathematics --- Chemistry - General --- Organic Chemistry --- Congresses --- 628.39 <063> --- 502.55 <063> --- 547.992 <063> --- -Organic water pollutants --- -#ABIB:aops --- #WSCH:AAS3 --- Contaminants, Organic water --- Water pollutants, Organic --- Organic wastes --- Pollutants --- Water --- Organic acids --- Disposal of untreated, unusable waste into natural environments. Pollution of water, soil and air. Preventive measures--Congressen --- Pollution, contamination danger. Protection against pollution--Congressen --- Humic acids. Lignin--Congressen --- Organic compound content --- Purification --- Organic compounds removal --- Congresses. --- 547.992 <063> Humic acids. Lignin--Congressen --- 502.55 <063> Pollution, contamination danger. Protection against pollution--Congressen --- 628.39 <063> Disposal of untreated, unusable waste into natural environments. Pollution of water, soil and air. Preventive measures--Congressen --- #ABIB:aops --- Activated charcoal --- Humus --- Wastewater treatment, chlorination --- Wastewater treatment, coagulation --- Wastewater treatment, ozonization --- Waters, natural

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The recent developments in the environmental applications of heterogenous catalysis and photocatalysis are described in this book, focusing on air and water purification using innovative and performing catalysts and applying new green and sustainable processes.

ceria --- pesticide --- photocatalysis --- photo-Fenton --- AOPs --- thin films --- ZnO --- doping --- heterogeneous photocatalysis --- VOCs --- bimetallic catalysts --- air purification --- catalytic combustion --- China --- elimination technology --- pharmaceutical industry --- advanced oxidation processes --- ozone --- ultraviolet --- bleaching --- fabrics --- industrial wastewater --- zero valent iron --- magnetite --- hematite --- alkali-activated material --- geopolymer --- blast furnace slag --- catalytic wet peroxide oxidation --- Fe-catalyst --- bisphenol A --- Mn-Zr solid solution --- toluene --- active oxygen --- combustion --- VOC --- photothermo catalysis --- ethanol --- manganese oxide --- zirconium oxide --- hydrothermal preparation --- co-precipitation --- CuFeS2 --- Fenton-like reaction --- degradation --- environmental water samples --- ciprofloxacin --- levofloxacin --- gC3N4 --- rGO --- Au nanoparticles --- n/a

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The acceptance and preference of the sensory properties of foods are among the most important criteria determining food choice. Sensory perception and our response to food products, and finally food choice itself, are affected by a myriad of intrinsic and extrinsic factors. The pressing question is, how do these factors specifically affect our acceptance and preference for foods, both in and of themselves, and in combination in various contexts, both fundamental and applied? In addition, which factors overall play the largest role in how we perceive and behave towards food in daily life? Finally, how can these factors be utilized to affect our preferences and final acceptance of real food and food products from industrial production and beyond for healthier eating? A closer look at trends in research showcasing the influence that these factors and our senses have on our perception and affective response to food products and our food choices is timely. Thus, in this Special Issue collection “Consumer Preferences and Acceptance of Food Products”, we bring together articles which encompass the wide scope of multidisciplinary research in the space related to the determination of key factors involved linked to fundamental interactions, cross-modal effects in different contexts and eating scenarios, as well as studies that utilize unique study design approaches and methodologies.

Research & information: general --- Technology: general issues --- perovskite-type oxide (PTO) --- cobalt --- gallium --- potassium --- higher alcohols --- syngas --- perovskites --- advanced oxidation processes (AOPs) --- Fenton-like --- peroxymonosulfate --- heterogeneous photocatalysis --- Fe-substitution --- operando X-ray absorption spectroscopy --- oxygen evolution reaction --- double perovskite catalysts --- oxy(hydroxide) --- heterogeneous catalysis --- surface science --- materials science --- CO oxidation --- DFT calculations --- transition metal doping --- nickel --- La0.3Sr0.55Ti0.95Ni0.05O3±δ --- catalyst regeneration --- structural reversibility --- H2S --- solid oxide fuel cell --- sol-gel method --- LaFeO3 --- visible light photocatalysis --- perovskite-type structure --- Mott-Schottky plot --- perovskite --- NO to NO2 oxidation --- NOx storage capacity --- LNT catalysts --- NO oxidation --- catalytic oxidation --- nitric oxide --- nitric acid --- ostwald's process --- in situ --- LaCoO3 --- LaMnO3 --- LaNiO3 --- volatile organic compounds --- reactive grinding --- toluene --- perovskite-type oxide (PTO) --- cobalt --- gallium --- potassium --- higher alcohols --- syngas --- perovskites --- advanced oxidation processes (AOPs) --- Fenton-like --- peroxymonosulfate --- heterogeneous photocatalysis --- Fe-substitution --- operando X-ray absorption spectroscopy --- oxygen evolution reaction --- double perovskite catalysts --- oxy(hydroxide) --- heterogeneous catalysis --- surface science --- materials science --- CO oxidation --- DFT calculations --- transition metal doping --- nickel --- La0.3Sr0.55Ti0.95Ni0.05O3±δ --- catalyst regeneration --- structural reversibility --- H2S --- solid oxide fuel cell --- sol-gel method --- LaFeO3 --- visible light photocatalysis --- perovskite-type structure --- Mott-Schottky plot --- perovskite --- NO to NO2 oxidation --- NOx storage capacity --- LNT catalysts --- NO oxidation --- catalytic oxidation --- nitric oxide --- nitric acid --- ostwald's process --- in situ --- LaCoO3 --- LaMnO3 --- LaNiO3 --- volatile organic compounds --- reactive grinding --- toluene

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This reprint focuses on new trends in photo-electrocatalysis, specifically addressed to the remediation of wastewater and energy production. The remediation of wastewater, up to a level that is acceptable for discharge into receiving waterbodies, involves an ever-growing demand of energy, so effective and low-energy treatment processes are highly desirable. Among the other treatments, photo- and photo-electrochemical treatment processes may be considered as advanced oxidation processes (AOP), which are based on the generation of OH radicals, strong oxidizing agents able to indiscriminately degrade even the most persistent organic compounds. Photocatalysis and photo-electrocatalysis can be considered as effective methods for organic degradation, especially when the semiconductor is active in the range of visible light. Several results are presented on new morphologies and structures, which allow more photoactive, visibly responsive, and stable materials, as well as studies on combined processes in which photo- or photo-electrochemistry contribute to an increase in the sustainability of the whole process, lowering costs and achieving the most valuable final products. In view of the circular economy concept, microbial fuel cell systems are also considered as possible way to recover energy from organic pollutants contained in wastewater.

Research & information: general --- Biology, life sciences --- composite --- polymethylmethacrylate --- photocatalytic oxidation --- titanium dioxide --- tetracycline --- ethanol --- photocatalysis --- silver(II) oxide --- mechanical mixture --- in situ deposition --- hydrogen evolution --- Anodic oxidation --- diamond electrodes --- UV irradiation --- ultrasounds --- amoxicillin --- ampicillin --- Composite catalysts --- synergy effect --- solar energy --- wastewater remediation --- photoelectrocatalysis --- TiO2 nanostructures --- Au nanoparticles --- water splitting --- bisphenol A oxidation --- ZnFe2O4 --- degree of inversion --- cation distribution --- photoelectrochemical activity --- porous nickel --- selective corrosion --- hydrogen evolution reaction --- metal sulfides --- H2 production --- photocatalyst --- facet effect --- light trapping --- crystal size --- non-precious metal catalysts --- Cu–B alloy --- microbial fuel cell --- cathode --- environmental engineering --- oxygen electrode --- renewable energy sources --- graphitic carbon nitride --- H2 generation --- Ni–Co catalyst --- electricity production --- advanced oxidation processes --- azo dye --- sustainable resources --- niobium --- water reuse --- water treatment --- AOPs --- zinc oxide --- nanoclusters --- UVA --- visible light --- photocatalytic reduction --- CO2 --- TiO2 photocatalysts --- surface modification --- solar fuel --- magnetron sputtering --- titanium dioxide (TiO2) film --- photocatalytic activity --- metal and non-metal doping --- optical properties --- n/a --- Cu-B alloy --- Ni-Co catalyst