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Topic Review
Biography
Topic Review
Regional Flood Frequency Analysis
Regional flood frequency analysis (RFFA) consists of two principal steps: identification of homogeneous regions and development of regional flood estimation equations.
469
08 May 2023
Topic Review
Evolution of Microgrid Technology
Microgrids are energy systems that can operate independently or in conjunction with the main electricity grid. There are numerous subdomains of microgrid technology research, each of which focuses on a distinct component of microgrid design, operation, and management. Energy storage, control, power electronics and power quality, renewable energy integration, stability, storage, protection and cybersecurity, regulation and distribution, and economic and business models are some of the major areas of microgrid technology study.
823
06 May 2023
Topic Review
Municipal Solid Waste Landfill
Landfilling stands among the main elements in a solid waste management strategy even after the implementation of the 3Rs: reduce, recover, recycle. This is due to the fact that, in most cases, not all waste can be recovered and recycled.
370
27 Apr 2023
Topic Review
Microalgae Cultivation
Microalgae is a renewable resource with potential value as a commodity and for combating climate change. Commercial cultivation can be done through open ponds or photobioreactors (PBRs), with open ponds being less expensive. PBRs offer potential better controls but are hindered by cost-related issues. Outdoor PBRs are a promising solution, but challenges related to relying on natural resources remain. Further research is needed to make PBRs commercially viable.
724
21 Apr 2023
Topic Review
Anaerobic Membrane Bioreactors for Wastewater Treatment
Anaerobic membrane bioreactor (AnMBR) technology is emerging as an alternative to conventional anaerobic treatment due to its complete biomass retention, short start-up time, high effluent quality, and small footprint.
611
30 Mar 2023
Topic Review
Mechanism of Advanced Oxidation Processes
Advanced oxidation processes (AOPs) involves the generation of powerful oxidizing radical groups, such as hydroxyl radicals, which function as oxidizing agents and mineralize organic chemical substances into CO2 and H2O. AOPs such as photocatalysis and photo-Fenton have been widely considered to be very effective in removing persistent organic pollutants.
1.0K
28 Mar 2023
Topic Review
Bioplastics Biodegradation
Bioplastics have entered everyday life as a potential sustainable substitute for commodity plastics. The wide array of biopolymers and commercial blends available make predicting the biodegradation degree and kinetics quite a complex issue that requires specific knowledge of the multiple factors affecting the degradation process. Understanding the material-related and environment-related aspects that determine the actual biodegradation of bioplastics is necessary to harmonize their treatment with biowaste using the typical processing conditions of waste treatment plants.
417
24 Mar 2023
Topic Review
Effects of Temperature/Water Types on Coronavirus Decay
The analysis of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) gene copy numbers in wastewater samples can provide quantitative information on Coronavirus Disease-19 (COVID-19) cases within a sewer catchment. However, many wastewater-based epidemiology (WBE) studies have neglected virus decay during the wastewater transportation process in sewers while back-calculating COVID-19 prevalence. Among various sewer condition parameters, wastewater temperature and dilution by fresh/saltwater infiltration may result in a significant change to the virus decay, in terms of both infectivity and Ribonucleic Acid (RNA).
409
22 Mar 2023
Topic Review
Membrane Bioreactor for Removal of Dyes
Access to clean water is crucial for human health and the advancement of society. However, the decline in water quality has become a serious global issue due to human activities. The United Nations introduced 17 Sustainable Development Goals (SDGs) with the aim of creating a sustainable future for all humankind. One of the most significant of these goals is “Clean Water and Sanitation for All”. However, the discharge of various contaminants into aquatic environments impedes progress towards achieving SDG6. Among industrial effluents, the textile and dye industries are considered to be major contributors to wastewater production. Dyestuffs, which are synthetic, complex aromatic compounds, and ionizing agents, are widely used as coloring agents in industries such as paper, textiles, food, dyeing, and cooking. Following the dyeing process, approximately 15% of the used dyes remain in the wastewater stream, making the colored wastewater effluent a major concern. Conventional wastewater treatment plants have difficulty in removing such chemicals, resulting in over 200,000 tons of dyes being discharged each year in the environment. The release of dyes results in water pollution with resistant compounds that are not easily broken down by natural degradation processes. Several methods have been established for treating dyes from water bodies, including physicochemical and biological approaches. Physicochemical methods, such as membrane filtration, adsorption, ion exchange, advanced oxidation processes (AOPs), and coagulation, have limitations in the removal of dyes due to high cost, inefficiency, and the potential for secondary pollution. In contrast, biological treatment methods, such as membrane bioreactors (MBRs), are cost-effective, safe, environmentally friendly, and efficient for removing dyes. Among the various biological treatment methods, MBRs are regarded as one of the most effective methods for treating wastewater. MBRs are a combination of units for biological degradation and physical filtration
429
21 Mar 2023
Topic Review
Cryogenic Carbon Capture Process
The cryogenic carbon capture (CCC) process is a promising post-combustion CO2 removal method. This method is very novel compared with conventional and well-developed methods. However, cryogenic carbon capture is not yet commercially available despite its techno-economic benefits. Thus, a model-based design approach for this process can provide valuable information.
1.3K
15 Mar 2023
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