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61,005 resultsShowing papers similar to Removal of 241Am from Aqueous Solutions by Adsorption on Sponge Gourd Biochar
ClearAdsorption of Lead from Aqueous Solution by Biochar: A Review
This review summarizes research on using biochar, a low-cost carbon material, to adsorb and remove lead from contaminated water. The study covers how different raw materials and modification methods affect biochar's adsorption capacity, along with the main mechanisms by which lead is removed from aqueous solutions.
Biochar amendment to advance contaminant removal in anaerobic digestion of organic solid wastes: A review
This review examined how biochar amendment improves anaerobic digestion of organic solid wastes by enhancing biodegradation, reducing inhibitory substances, and facilitating removal of contaminants such as antibiotics, heavy metals, microplastics, and PAHs, proposing mechanisms by which biochar's porous and conductive properties drive these benefits.
Biochar for the Removal of Emerging Pollutants from Aquatic Systems: A Review
This review examines the use of biochar, a carbon-rich material produced from biomass, for removing emerging pollutants from water systems. Researchers analyzed how different biochar types and pollutant characteristics affect removal efficiency, along with the underlying adsorption mechanisms. The study highlights biochar as a promising and cost-effective tool for water remediation while noting the need for further research on potential risks of its use.
Removal of polypropylene nanoplastics from aqueous solution by biochar derived from Date palm fibers: Kinetics and isotherms studies
Researchers examined activated carbon derived from date palm fiber powder as an adsorbent for removing polypropylene nanoplastics from aqueous solutions, characterizing the material via XRD, FT-IR, and SEM and optimizing contact time, nanoplastic concentration, and adsorbent dosage while determining equilibrium and kinetic adsorption parameters.
Optimization of Micro-Pollutants’ Removal from Wastewater Using Agricultural Waste-Derived Sustainable Adsorbent
Agricultural waste-derived biochar adsorbent was optimized for removing polycyclic aromatic hydrocarbons from industrial wastewater, with the study presenting the first use of this specific waste-derived material to address PAH contamination in water.
A Review on Application of Biochar in the Removal of Pharmaceutical Pollutants through Adsorption and Persulfate-Based AOPs
This review examined the application of biochar for removing pharmaceutical pollutants from water through adsorption and persulfate-based advanced oxidation processes, highlighting biochar's strong adsorption capacity, low cost, and effectiveness as a catalyst for activating persulfate.
Radionuclide Removal from Aqueous Solutions by Oxidized Carbon Fabrics
Researchers investigated the adsorption of americium(III) and uranium(VI) from aqueous solutions by pristine and oxidized carbon fabrics using batch experiments across pH values of 4, 7, and 10. The study found that oxidative surface treatment of carbon fabrics enhanced actinide ion uptake, demonstrating the potential of modified carbon materials for radionuclide removal from contaminated water.
Scottish softwood biochar for water remediation targeting selected persistent organic pollutants
Scottish softwood biochar with high surface area (588 m2/g) and a mix of microporous and mesoporous structure was evaluated as a renewable adsorbent for persistent organic pollutants in water. The biochar achieved rapid adsorption kinetics for 3,4-dichloroaniline and showed potential for removing multiple classes of persistent contaminants from water.
Emerging contaminants in polluted waters: Harnessing Biochar's potential for effective treatment
This review explores how biochar, a carbon-rich material made from organic waste, can be used to remove a wide range of pollutants from contaminated water, including microplastics, heavy metals, antibiotics, and PFAS. Biochar works through multiple mechanisms like adsorption, electrostatic interactions, and chemical bonding, and can be enhanced through surface modifications. The study highlights biochar as a low-cost, adaptable tool for addressing emerging water contaminants.
Remediation of emerging pollutants using biochar derived from aquatic biomass for sustainable waste and pollution management: a review
This review evaluates the use of biochar made from aquatic biomass, such as algae and aquatic plants, for removing emerging pollutants like pharmaceuticals and microplastics from contaminated environments. Researchers found that aquatic biomass-derived biochar can be an effective and low-cost adsorbent for a variety of pollutants. The study highlights the dual benefit of managing aquatic waste while creating useful materials for environmental cleanup.
Adsorption of Pollutants from Wastewater by Biochar: A Review
This review examines how biochar, a carbon-rich material made from organic waste, can be used to remove pollutants including microplastics, heavy metals, and organic chemicals from wastewater. Biochar works by adsorbing contaminants onto its surface, and its effectiveness can be improved through chemical modifications. The technology offers a low-cost, sustainable approach to water treatment that could help reduce microplastic contamination in water supplies.
Functionalized Biochars for Enhanced Removal of Heavy Metals from Aqueous Solutions: Mechanism and Future Industrial Prospects
This review examined functionalized biochar materials as adsorbents for removing heavy metals from water, comparing surface modification strategies that enhance metal uptake capacity and selectivity. Functionalized biochars showed substantially improved adsorption performance over unmodified biochar and low-cost conventional materials.
Recent advances in biochar technology for aquatic pollution control: a critical review of applications, barriers, and future opportunities
Researchers reviewed two decades of research on biochar — a charcoal-like material made from organic waste — as a low-cost tool for removing pharmaceuticals, heavy metals, microplastics, and nutrients from water, achieving up to 80% pollutant removal. While promising, challenges in regeneration and scaling up production remain barriers to widespread use.
Biochar-based adsorption technologies for microplastic remediation in aquatic ecosystems
This review examines the use of biochar, a carbon-rich material made from organic waste, as a tool for removing microplastics from water. Biochar can effectively adsorb microplastic particles due to its porous structure and surface chemistry, and it can be produced cheaply from agricultural waste. The technology shows promise as an affordable and sustainable approach to reducing microplastic contamination in waterways, though challenges remain in scaling it up for real-world water treatment.
Recent trends and economic significance of modified/functionalized biochars for remediation of environmental pollutants
Researchers reviewed recent advances in modified biochars — charcoal-like materials made from organic waste — as low-cost tools for removing chemical pollutants from contaminated soil and water. By altering biochar's physical and chemical properties through various treatment techniques, scientists have significantly improved its ability to bind and neutralize a wide range of harmful substances.
Sludge-based biochar adsorbent: pore tuning mechanisms, challenges, and role in carbon sequestration
Researchers reviewed how biochar made from sewage sludge — a byproduct of wastewater treatment — can be engineered into a porous material capable of adsorbing pollutants and sequestering carbon, comparing it to commercial activated carbon and identifying key challenges that must be overcome before it can be widely used for pollution cleanup.
Advances in the Study of Heavy Metal Adsorption from Water and Soil by Modified Biochar
This review analyzes different methods for modifying biochar to improve its capacity to adsorb heavy metals from contaminated water and soil. Researchers examined how various modification techniques enhance biochar's adsorption performance for removing toxic metals from environmental substrates. The study provides a reference for practical applications of modified biochar in heavy metal remediation projects.
Biochar : A Review of its History, Characteristics, Factors that Influence its Yield, Methods of Production, Application in Wastewater Treatment and Recent Development
This review examines biochar's history, physicochemical properties, production methods, and applications in wastewater treatment, highlighting its high porosity and diverse functional groups that enable effective adsorption of contaminants including heavy metals and organic pollutants.
Adsorption of Congo red dye in water by orange peel biochar modified with CTAB
Researchers modified orange peel biochar with CTAB to improve its adsorption of Congo red dye from water. The modified biochar achieved nearly double the adsorption capacity of unmodified biochar with a faster equilibrium time, maintained effectiveness across a wide pH range, and could be recycled three times.
Efficient Removal of Tetracycline from Water by One-Step Pyrolytic Porous Biochar Derived from Antibiotic Fermentation Residue
Researchers developed a one-step pyrolytic porous biochar material for efficient tetracycline removal from water, achieving high adsorption capacity and demonstrating the potential of waste-derived biochar as a low-cost water treatment adsorbent.
Radionuclide Removal from Aqueous Solutions Using Oxidized Carbon Fabrics
This paper is not directly about microplastics; it investigates the adsorption of radioactive actinide ions (americium and uranium) from water using carbon fabric materials, finding near-complete removal of uranium under optimal pH and temperature conditions.
Insights into the removal of polystyrene nanoplastics using the contaminated corncob-derived mesoporous biochar from mining area
Researchers developed a mesoporous biochar from contaminated corncobs collected in mining areas that effectively adsorbs polystyrene nanoplastics from water, achieving high removal capacity through electrostatic and hydrophobic interactions.
Adsorption of Pyraclostrobin in Water by Bamboo-Derived and Pecan Shell-Derived Biochars
This paper is not about microplastics — it studies how biochar derived from bamboo and pecan shells can adsorb the fungicide pyraclostrobin from water, addressing agricultural chemical pollution rather than microplastics.
Preparation and Modification of Rape Straw Biochar and Its Adsorption Characteristics for Methylene Blue in Water
Researchers prepared and NaOH-modified rape straw biochar for methylene blue removal from water, finding that the modified biochar achieved significantly higher dye adsorption capacity due to increased aromaticity, hydrophilicity, and polarity compared to unmodified biochar.