A Critical Review on Economical and Sustainable Solutions for Wastewater Treatment Using Constructed Wetland

Vishwakarma, Smily; Dharmendra,

doi:10.2478/ceer-2022-0040

Cited by 3 publications

(2 citation statements)

References 91 publications

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“…Less phosphorus is removed because of the low phosphorus adsorption capacity of the substrate media. Furthermore, long hydraulic retention time is required and treatment efficiency for a single unit is low [19].…”

Section: Advantages and Limitation Of Constructed Wetlandsmentioning

confidence: 99%

Urban Constructed Wetlands in Arid and Semiarid Zones

Lachinani Kordesofla,

Abna

2023

Civil and Environmental Engineering

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The development of societies and the increasing growth of recent constructions, especially in cities, have caused environmental issues, destruction, and reduction of natural resources and the environment, especially green and green-blue spaces. According to studies, in the past years, many parts of natural and even pristine surfaces and spaces in big cities have been turned into artificial, and impermeable spaces, which has aggravated environmental and ecological problems and also it has aggravated the aesthetic characteristics of the urban landscape, particularly in arid and semiarid areas. In this case, the studies show that identifying and applying natural ecosystems such as wetlands and their artificial types due to their multifunctional aspects and benefits, especially in urban areas, can be the basis for reducing many issues mentioned. Therefore, it is necessary to pay attention to this critical issue and do more research to know different types of constructed wetland ecosystems along with their services and values. The primary aim of this research is to identify the values and services of this ecosystem and to examine the diverse patterns of constructed wetlands in order to extract and design simple patterns of construcred wetlands. We want to know their role and position in landscape architecture and urban planning and design process. Also, this study aims to examine the potencial and possibillity of building constructed wetlands in urban areas particularly in arid areas and Mediterranean regions, according to Koppen climate classiffication. In this regard, the theoretical framework is provided based on the study of specialized texts and the study of similar foreign case studies and diverse patterns of urban wetlands with their different functions. These reviews have been done in a specific format consisting of some main aspects, such as the function and supply sources of wetlands. The final result and extractted simplified patterns, according to case studies, can be considered as a framework for designing and planning urban constructed wetlands and a guide for planning and designing a landscape consisting of this element, especially in areas with arid, semiarid, and Mediterranean climates with hot and dry summers.

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Section: Advantages and Limitation Of Constructed Wetlandsmentioning

confidence: 99%

Urban Constructed Wetlands in Arid and Semiarid Zones

Lachinani Kordesofla,

Abna

2023

Civil and Environmental Engineering

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“…Wastewater is primarily treated in wastewater treatment plants, incurring significant costs for its disposal [1,2]. Consequently, there is a continuous effort to develop new methods for both improved purification and the utilization of wastewater for alternative purposes [3][4][5][6]. Nowadays, the concept of waste reuse is more and more popular [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Effect of Using Various Cathode Materials (Carbon Felt, Ni-Co, Cu-B, and Cu-Ag) on the Operation of Microbial Fuel Cell

Włodarczyk,

Włodarczyk

2024

Civil and Environmental Engineering Reports

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Wastewater has high potential as an energy source. Therefore, it is important to recover even the smallest part of this energy, e.g., in microbial fuel cells (MFCs). The obtained electricity production depends on the process rate of the electrodes. In MFC, the microorganisms are the catalyst of anode, and the cathode is usually made of carbon material. To increase the MFC efficiency it is necessary to search the new cathode materials. In this work, the electricity production from yeast wastewater in membrane-less microbial fuel cells with a carbon felt, Ni-Co, Cu-B, and Cu-Ag cathodes has been analyzed. In the first place, the measurements of the stationary potential of the electrodes (with Cu-Ag catalyst obtained by the electrochemical deposition technique) were performed. Next, the analysis of the electric energy production during the operation of the membrane-less microbial fuel cell (ML-MFC). The highest parameters were obtained for the Ni-Co and Cu-Ag catalysts. The cell voltage of 607 mV for Ni-Co and 605 mV for Cu-Ag was obtained. Additionally, the power of 4.29 mW for both cathodes - Ni-Co and Cu-Ag was obtained. Moreover, Ni-Co and Cu-Ag allow the shortest time of COD reduction. Based on the test results (with selected MFC design, wastewater, temperature, etc.), it can be concluded that of all the analyzed electrodes, Cu-Ag and Ni-Co electrodes have the best parameters for use as cathodes in ML-MFC. However, based on the results of this study, it can be concluded that all the tested electrodes can be used as cathode material in MFC.

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The incorporation of activated carbon as a substrate in a constructed wetland. A review

Karungamye

2024

Cleaner Water

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A Critical Review on Economical and Sustainable Solutions for Wastewater Treatment Using Constructed Wetland

Cited by 3 publications

References 91 publications

Urban Constructed Wetlands in Arid and Semiarid Zones

Urban Constructed Wetlands in Arid and Semiarid Zones

Effect of Using Various Cathode Materials (Carbon Felt, Ni-Co, Cu-B, and Cu-Ag) on the Operation of Microbial Fuel Cell

The incorporation of activated carbon as a substrate in a constructed wetland. A review

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