Water Treatment by Adsorption and Catalytic Methods
A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".
Deadline for manuscript submissions: closed (15 September 2022) | Viewed by 12215
Special Issue Editor
Interests: anammox; nitrogen removal; adsorbents; Langmuir; dye removal; wastewater treatment and marine chemistry
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Waste is a problem in industry. The decay of waste compounds can be highly toxic to the environment, causing significant harm to aquatic photosynthetic plants and algae. Clean water for drinking and other purposes is an important requirement in the modern world, made all the more urgent as the available sources of drinking water throughout the world are contaminated with organic and inorganic pollutants.
Rapid industrialization is the main cause of water pollution, as water is used as a solvent in different industrial processes. The textile industry is considered to be one of the main contributors to water pollution, as water is used therein as solvent in fiber processing, as well as to remove unnecessary chemicals from fabrics.
Different wastewater treatment processes such as coagulation, flocculation, biodegradation, adsorption, and oxidation are used to remove colour residues from water. These methods are costly, not energy efficient and leave some pollutants untreated.
Due to the shortcomings of the conventional methods described above, researchers have turned to biological adsorbents for pollutant removal from wastewater because of the low process cost and environmental friendliness. The impact of different adsorption parameters such as pH, temperature, contact time, initial dye concentration and adsorbent dosage need to be evaluated. Different kinetic adsorption models such as pseudo-first-order, pseudo-second-order and intra-particle diffusion model models can be applied.
This Special Issue merges the latest advances in the research on adsorption for the control of water contamination. Its benefits include its low starting cost, straightforwardness and simple recovery of the adsorbent and adsorbate materials. Studies on activated carbon (AC) are popular, due to the fact that AC can be prepared from low-cost raw materials. Novel research on plant waste materials may offer an inexpensive source of raw materials in AC production. Different plant waste biomass conversion techniques into activated carbon will be presented as they have been used to remove different organic and inorganic pollutants from wastewaters.
Dr. Ivar Zekker
Guest Editor
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