Article
Environmental Sciences
Yu Lei, Huub Rijnaarts, Alette Langenhoff
Summary: This study evaluated the removal of micropollutants in constructed wetlands with different configurations. The use of bark-biochar as a support matrix significantly enhanced the removal of irbesartan and carbamazepine. UVC irradiation as a pre-treatment was more effective in removing micropollutants than sunlight irradiation. After INC pre-treatment, less micropollutants accumulated in the plants in the subsequent wetland unit. The addition of activated sludge and aeration did not improve micropollutant removal. A bark-biochar based system combined with UVC pre-treatment showed better micropollutant removal than a conventional sand wetland.
Article
Environmental Sciences
Yungui Li, Xueying Bai, Ruonan Ding, Wenxuan Lv, Ying Long, Liang Wei, Fachun Xiang, Rong Wang
Summary: This study investigated the sorption characteristics of natural manganese ore (NM) and its removal efficiency of ammonium and phosphorus from WWTP effluent in a simulated vertical flow NM constructed wetland (NM-VFCW). The results showed that NM could effectively sorb ammonium and phosphorus with a high removal efficiency, particularly for phosphorus. The manganese ore sand is highlighted as a powerful substrate for simultaneous advanced removal of phosphorus and ammonium in constructed wetland systems.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Studies
Jan Vymazal
Summary: Constructed wetlands (CWs) are engineered systems that utilize natural processes for wastewater treatment. CWs take advantage of processes found in natural wetlands, but operate in a more controlled environment. They can be classified based on the presence/absence of wastewater on the wetland surface, and the direction of subsurface flow. Hybrid CWs combine different types of CW technologies. The use of CWs for wastewater treatment gained popularity in the 1990s and early 2000s due to stricter regulations and the application of CWs in circular economy concepts.
Article
Engineering, Environmental
Olga P. Koutsou, Michail S. Fountoulakis, Christos Matsoukas, Nikolaos M. Fyllas, Athanasios S. Stasinakis
Summary: This study investigated the factors affecting N2O emissions from constructed wetlands and developed a statistical formula to estimate N2O emission factors (EFs). The application of the formula to Greek settlements predicted a significant reduction in N2O emissions if constructed wetlands were used instead of conventional wastewater treatment plants.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Review
Biotechnology & Applied Microbiology
Divyesh Parde, Aakash Patwa, Amol Shukla, Ritesh Vijay, Deepak J. Killedar, Rakesh Kumar
Summary: The performance of constructed wetland is influenced by factors such as type, vegetation, hydraulic load, and media. This review discusses the technology and treatment of various types of wastewater, comparing the efficiency and cost-effectiveness of constructed wetlands with other treatment technologies. Further research is suggested to improve the selection of media, plants, engineering design and automation in constructed wetland systems.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Review
Environmental Sciences
Mauricio Reimann Nast, Gustavo Stolzenberg Colares, Enio Leandro Machado, Lucia Ribeiro Rodrigues
Summary: This study evaluates the use of bamboo species as an alternative in constructed wetlands for wastewater treatment through bibliometric analysis and case study review. The study reveals the potential benefits of using bamboos in wastewater treatment, such as hyperaccumulation capacity and bioproduct generation, and identifies other promising applications. Despite promising results, further research is needed to investigate the morphological functions of bamboos in wastewater treatment with landscape integration and resource recovery.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Biotechnology & Applied Microbiology
Cen Yang, Tianling Fu, Hu Wang, Ruiying Chen, Bing Wang, Tengbing He, Yongfei Pi, Jiajia Zhou, Tianchang Liang, Miao Chen
Summary: This study constructed an effluent recirculation vertical subsurface flow constructed wetlands system for treating landfill leachate. The results showed that the wetlands system effectively removed organic pollutants in the leachate, with over 85% removal rate for conventional pollutants and relatively high removal rates for organic micro-pollutants such as OCPs, OPPs, PAHs, and VOCs.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Environmental Studies
Fan Ye, Junhong Guo, Pengfu Hou, Yongjun Wang, Fengbin Song, Peng Zhang, Xiangnan Li
Summary: In this study, melatonin was added to constructed wetland systems to investigate its effects on plant physiology, microbial enzyme activity, and microbial community structure. The results showed that melatonin treatment improved the stress tolerance and nutrient content of Phragmites australis plants, and increased the removal efficiency of NH4+-N in the constructed wetlands. Melatonin also altered the microbial composition and functions, leading to improved purification effect of the constructed wetland.
Article
Engineering, Environmental
Bo Hu, Shanshan Hu, Jan Vymazal, Zhongbing Chen
Summary: This study evaluated the effects of arbuscular mycorrhizal fungi (AMF) and different substrate types on the purification of pharmaceuticals and personal care products (PPCPs) in constructed wetlands. The results showed that adsorptive substrates (biochar, vermiculite, or perlite) had a greater impact on the removal of pollutants from wastewater than AMF symbiosis. Additionally, the presence of plants improved the performance of wetlands in wastewater purification.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Environmental Sciences
Tanveer Saeed, Md Jihad Miah, Tanbir Khan
Summary: This study examined the removal performance of organics and nutrients in intensified constructed wetlands, specifically tidal flow-based microbial fuel cell (MFC) and tidal flow wetlands receiving municipal wastewater. The results showed high removal rates for ammonia nitrogen, total nitrogen, phosphorus, chemical oxygen demand, and biochemical oxygen demand under different flood periods and media variations, with TN removal reaching the highest percentage under 24-h flood periods. Tidal flow-based MFC wetlands outperformed tidal flow wetlands in TN removal due to supplementary electron production through fuel cell-based organics degradation kinetics.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Review
Ecology
Junwen Ma, Yubo Cui, Aimin Li, Xuejun Zou, Chengdong Ma, Zhaobo Chen
Summary: With the advancement of technology, antibiotics and antibiotic resistance genes (ARGs) have become significant pollutants in the environment. Constructed wetlands (CWs) have shown to be effective in removing antibiotics and ARGs from wastewater, with vertical-flow subsurface CWs showing the highest removal efficiency for antibiotics and CWs with plants and substrate materials demonstrating high efficiency in removing antibiotics as well as ARGs.
ECOLOGICAL ENGINEERING
(2022)
Review
Environmental Sciences
Asmaa Masharqa, Sharaf Al-Tardeh, Rawan Mlih, Roland Bol
Summary: Developing safer and environmentally friendly methods for wastewater management is crucial worldwide. Constructed wetlands (CWs) have been effective and low-cost in treating polluted water. This review paper focuses on the efficiency of pollutant-removal from domestic wastewater using vertical flow constructed wetlands (VFCWs) and hybrid constructed wetlands (HCWs). The study shows that VFCW and HCW have similar performance in removing pollutants from domestic wastewater.
Article
Environmental Sciences
Christy K. Benny, Saswati Chakraborty
Summary: A hybrid constructed wetland system combining horizontal and vertical flow was used to treat carbon-deficient synthetic dyeing wastewater. The results showed that the system could effectively remove azo dyes from low-carbon dyeing wastewater. In the horizontal wetland, organic waste products served as the carbon source for microbial dye degradation, resulting in 90% color removal. The vertical wetland removed dye degradation organics, ammonium-nitrogen, and organic-nitrogen.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Environmental Sciences
Claudio Cocozza, Claudio Di Iaconi, Sapia Murgolo, Andreina Traversa, Francesco De Mastro, Marco De Sanctis, Valerio Guido Altieri, Claudio Cacace, Gennaro Brunetti, Giuseppe Mascolo
Summary: The fluctuation in the number of people in tourist areas affects the wastewater quality and quantity. Constructed wetlands (CWs) aim to simulate natural processes for wastewater treatment and are considered a sustainable system. This study evaluated the effectiveness of in-vessel CWs for supporting wastewater treatment plants during periods of overloading. The results showed promising efficiency of CWs as pre-treatment to reduce overloading.
Article
Engineering, Environmental
M. Sanchez, I. Ruiz, M. Soto
Summary: Constructed wetlands are a promising decentralised wastewater treatment technology that is suitable for single-family homes, rural or peri-urban areas, and low-income areas. This study combines a new anaerobic/anoxic digester with a vertical subsurface constructed wetland for the first time, achieving high overall removal efficiency of organic matter and nitrogen.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Environmental Sciences
Shima Kouhi Dehkordi, Hamed Paknejad, Ludek Blaha, Helena Svecova, Roman Grabic, Zdenek Simek, Alena Otoupalikova, Michal Bittner
Summary: The study on the water quality of Zayandeh Rood river in central Iran revealed the presence of various pharmaceutical active compounds and hormone-like compounds, with higher concentrations detected in treated wastewater. Despite the presence of these compounds in surface water and drinking water, the overall human health risk is considered minor according to the relevant effect-based trigger values.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Engineering, Environmental
Giuseppe Brunetti, Radka Kodesova, Helena Svecova, Miroslav Fer, Antonin Nikodem, Ales Klement, Roman Grabic, Jiri Simunek
Summary: Soil pollution from emerging contaminants poses a significant threat to water resources management and food production. A multi scale biophysical model has been developed to predict the fate of ionizable compound in the soil-plant continuum, using a Bayesian probabilistic framework for calibration and evaluation, showing satisfactory fitting performance and limited predictive uncertainty. pH conditions in both soil and xylem play a crucial role in the uptake and translocation of ionizable compounds, according to the model results.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Environmental
Ganna Fedorova, Roman Grabic, Katerina Grabicova, Jan Turek, Tuyen Van Nguyen, Tomas Randak, Bryan W. Brooks, Vladimir Zlabek
Summary: Aquaculture is expanding globally, highlighting the importance of beneficial reuse of wastewater. The study showed that the TWP-AP system has the potential to reduce pharmaceutical compounds and decrease ecotoxicological and antibiotic resistance water quality hazards.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Fisheries
Marketa Pravdova, Jitka Kolarova, Katerina Grabicova, Tomas Randak, Michal Janac, Yurii Kvach, Pavel Jurajda, Marketa Ondrackova
Summary: Increasing levels of persistent pollutants in the aquatic environment may have serious impacts on host-parasite relationships. This study found that fish from the polluted site had better body condition but higher parasite load compared to fish from the control site, which had a more diverse and abundant natural parasite fauna.
AQUACULTURE RESEARCH
(2022)
Article
Environmental Sciences
Anna Koubova, Tuyen Van Nguyen, Katerina Grabicova, Viktoriia Burkina, Farah Gonul Aydin, Roman Grabic, Petra Novakova, Helena Svecova, Pavel Lepic, Ganna Fedorova, Tomas Randak, Vladimir Zlabek
Summary: This study investigated the effects of pollution on the metabolic profiles and oxidative stress biomarkers in fish. The results showed that fish responded with an antioxidant response and absorbed pollutants into their metabolism within seven days. The metabolic profiles in fish liver changed rapidly in the short term, but to a lesser extent in the long term. Fish transferred from polluted water to reference water eliminated pollutants within 14 days, but some elevated metabolic compounds persisted for at least two months.
ENVIRONMENTAL POLLUTION
(2022)
Article
Engineering, Environmental
Roman Grabic, Lucia Ivanova, Radka Kodesova, Katerina Grabicova, Andrea Vojs Stanova, Zuzana Imreova, Miloslav Drtil, Igor Bodik
Summary: This study investigates the risks of pharmaceutical and illicit drug residues in sewage sludge when directly applied to agricultural soils. The leaching/desorption of these residues were tested under different pH conditions, and the results showed that the behavior of the residues varied depending on the sludge type and pH. The study suggests that high pH can increase the desorption of these residues, especially in anaerobically stabilized sludges.
Article
Environmental Sciences
Irina A. Duarte, Patrick Reis-Santos, Jerker Fick, Henrique N. Cabral, Bernardo Duarte, Vanessa F. Fonseca
Summary: The contamination of surface waters by pharmaceuticals is a global issue caused by increased access and use of pharmaceuticals, which poses a threat to non-target species. Neuroactive pharmaceuticals, in particular, can bioaccumulate in fish and disrupt various processes, impacting fish populations and their ecosystems. This study investigates the presence and bioaccumulation of 33 neuroactive pharmaceuticals in multiple fish species from four different estuaries. The results show widespread occurrence and bioaccumulation of these pharmaceuticals in fish tissues, highlighting the urgent need for toxicity assessment in natural ecosystems.
ENVIRONMENTAL POLLUTION
(2023)
Article
Environmental Sciences
Jana Spaeth, Tomas Brodin, Per Falas, Mirva Niinipuu, Richard Lindberg, Jerker Fick, Malin Nording
Summary: This study aimed to investigate the effects of ozonated wastewater on oxylipin levels in damselfly larvae. The results showed that ozonation of wastewater has a certain impact on oxylipin levels in larvae.
Article
Environmental Sciences
Radka Kodesova, Ganna Fedorova, Vit Kodes, Martin Kocarek, Oleksandra Rieznyk, Miroslav Fer, Helena Svecova, Ales Klement, Adam Borik, Antonin Nikodem, Roman Grabic
Summary: The sorption of organic contaminants in soils and sediment plays a vital role in their mobility in the vadose zone environment. This study evaluated Freundlich sorption isotherms for eleven micropollutants and correlated the sorption coefficients with soil properties to predict sorption behavior. Predicted distribution maps were then used to assess groundwater vulnerability. The results showed different sorption patterns among the compounds, emphasizing the importance of considering soil properties in understanding and managing contaminant mobility.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Pavla Fialova, Roman Grabic, Katerina Grabicova, Petra Novakova, Helena Svecova, Sarit Kaserzon, Kristie Thompson, Branislav Vrana
Summary: An upscaled passive sampler variant based on diffusive gradients in thin films for polar organic compounds was tested in several field studies. The performance of the sampler was evaluated in the treated effluent of a municipal wastewater treatment plant and in the raw municipal wastewater influent. The sampler showed robustness and repeatability, but deteriorated after exposures longer than 14 days.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Engineering, Environmental
Emma J. Rosi, Jerker B. Fick, Barbara A. Han
Summary: Novel viral pathogens have led to the emergence of new diseases in humans, and society has responded with technological innovations such as antiviral therapies. Antivirals can be rapidly deployed to mitigate severe disease and save lives, but their release into the environment can have unforeseen consequences. Using SARS-CoV-2 as a case study, this research identifies a global overlap between bats and elevated pharmaceutical concentrations in surface waters. The contamination of freshwater with antivirals could lead to the evolution of antiviral-resistant viruses in bats, emphasizing the urgent need for scientific research, antiviral development, and responsible use.
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
(2023)
Article
Chemistry, Analytical
Helen Sepman, Louise Malm, Pilleriin Peets, Matthew MacLeod, Jonathan Martin, Magnus Breitholtz, Anneli Kruve
Summary: Nontarget analysis by LC-HRMS is widely used for detecting pollutants in the environment.
ANALYTICAL CHEMISTRY
(2023)
Article
Engineering, Environmental
Sunil Paul M. Menacherry, Radka Kodesova, Ganna Fedorova, Alina Sadchenko, Martin Kocarek, Ales Klement, Miroslav Fer, Antonin Nikodem, Alica Chronakova, Roman Grabic
Summary: This study systematically investigated the dissipation kinetics and half-lives of selected organic micropollutants in different soil types. Some pollutants disappeared rapidly, while others remained persistent. Venlafaxine showed the longest half-lives among stable compounds. Results showed the persistence of organic pollutants in agricultural soils, which could have significant environmental impacts.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Environmental Sciences
Sunil Paul M. Menacherry, Radka Kodesova, Helena Svecova, Ales Klement, Miroslav Fer, Antonin Nikodem, Roman Grabic
Summary: The accumulation and distribution of different pharmaceuticals in onion, spinach, and radish plants grown in six soil types were investigated. Neutral molecules showed higher accumulation and translocation to plant leaves compared to ionic molecules. The accumulation of carbamazepine (CAR) and its metabolite in plant leaves indicated the potential risk of pharmaceutical entrance into the food chain.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Green & Sustainable Science & Technology
Maritha Horsing, Henrik Rasmus Andersen, Roman Grabic, Jes la Cour Jansen, Anna Ledin
Summary: This study determined the sorption behavior of 71 pharmaceuticals on powdered activated carbon (PAC), providing data for designing and upgrading wastewater treatment plants. The results showed that small amounts of PAC can effectively reduce the concentration of certain pharmaceuticals, but alternative treatments are needed for others.
CLEAN TECHNOLOGIES
(2022)