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Papers
20 resultsShowing papers similar to Preparation and Application of Si@Al Adsorbents for Different Pollutants Removal from Aqueous Solution
ClearErythromycin Scavenging from Aqueous Solutions by Zeolitic Materials Derived from Fly Ash
Researchers synthesized zeolite materials from fly ash and tested them as sorbents for removing erythromycin antibiotic from water, finding effective removal over a range of conditions and demonstrating that fly ash zeolites are promising low-cost adsorbents for pharmaceutical contaminants in water treatment.
Composite Polysilicate Metal Coagulants for Simultaneous Removal of Organic Matter, Phosphorus, and Ammonium-Nitrogen: Effects of Metal/Silicate Molar Ratio and Basicity
Researchers prepared composite polysilicate metal (CSM) flocculants combining Fe3+ and Mg2+ ions in polysilicic acid and evaluated their performance for simultaneously removing organic matter, phosphorus, and ammonium-nitrogen from wastewater, finding that metal-to-silicate molar ratio and basicity significantly affect removal efficiency.
Tetracycline Removal from Water by Adsorption on Geomaterial, Activated Carbon and Clay Adsorbents
New geomaterial adsorbents made from clay, activated carbon, cement, and PVA polymer were synthesized and tested for tetracycline removal from water, achieving rapid equilibrium within 30 minutes and high adsorption capacity that was pH-dependent, offering a low-cost option for antibiotic contamination removal in wastewater treatment applications.
Removal of Microplastics from Wastewater by Methods of Electrocoagulation and Adsorption
This review examines electrocoagulation and adsorption methods for removing microplastics from wastewater, comparing them against conventional physical, chemical, and biological approaches in terms of removal efficiency, cost, and practical scalability.
Microcosmic mechanism analysis of the combined pollution of aged polystyrene with humic acid and its efficient removal by a composite coagulant
Researchers analyzed how aged polystyrene interacts with humic acid at the molecular level and developed a novel polyaluminum-titanium chloride composite coagulant that effectively removes these combined pollutants from water across different pH conditions.
Synthesis and Evaluation of Alum Crystals from Waste Aluminum Foils in Turbid Water Treatment
Researchers synthesized aluminum alum from recycled waste aluminum foil and tested its effectiveness as a water treatment coagulant for removing turbidity. Recycling aluminum waste into useful water treatment chemicals represents both a waste reduction and water quality improvement strategy.
Preparation of a series of highly efficient porous adsorbent PGMA- N and its application in the co-removal of Cu(II) and sulfamethoxazole from water
Researchers synthesized a series of porous polymer adsorbents and tested their ability to simultaneously remove copper ions and the antibiotic sulfamethoxazole from water. Multi-contaminant removal materials address the reality that microplastic-contaminated water often contains heavy metals and pharmaceuticals as co-pollutants.
Sedimentation of nanoplastics from water with Ca/Al dual flocculants: Characterization, interface reaction, effects of pH and ion ratios
Researchers investigated the use of calcium-aluminum dual flocculants to remove nanoplastics from water, characterizing the sedimentation process and finding that pH and ion ratios significantly influenced flocculation efficiency through interface reactions at the nanoplastic surface.
Efficiency and mechanism of micro- and nano-plastic removal with polymeric Al-Fe bimetallic coagulants: Role of Fe addition
Researchers investigated polymeric Al-Fe bimetallic coagulants for removing micro- and nanoplastics from drinking water, finding that iron addition enhanced nanoplastic removal efficiency through improved charge neutralization and floc formation mechanisms.
Preparation of a Series of Highly Efficient Porous Adsorbent PGMA-N Molecules and Its Application in the Co-Removal of Cu(II) and Sulfamethoxazole from Water
This paper is not about microplastics; it describes a porous polymer adsorbent material (PGMA-N) designed to simultaneously remove copper ions and the antibiotic sulfamethoxazole from water.
Improving nanoplastic removal by coagulation: Impact mechanism of particle size and water chemical conditions
Researchers found that coagulation using aluminum chlorohydrate and polyacrylamide achieved up to 98.5% removal efficiency for polystyrene nanoplastics, with smaller particles being easier to remove, though humic acid in water competed for adsorption sites and reduced effectiveness.
Removal of microplastics from secondary wastewater treatment plant effluent by coagulation/flocculation with iron, aluminum and polyamine-based chemicals
Researchers tested iron, aluminum, and polyamine-based coagulants for removing small microplastics (<10 µm) from secondary wastewater treatment plant effluent, finding that coagulation-flocculation can remove a substantial fraction but that efficiency varies by chemical and particle size.
Synergistic mechanisms for the superior sorptive removal of aquatic pollutants via functionalized biochar-clay composite
Researchers developed a functionalized algal biochar-clay composite that achieved synergistic removal of antibiotics and dyes from water, with a thirty-fold increase in surface area compared to raw biochar, demonstrating effectiveness in both batch and continuous flow systems.
Investigating the Potential of Coagulants to Improve Microplastics Removal in Wastewater and Tap Water
Researchers found that adding coagulants (FeCl3 or Al2(SO4)3) to wastewater and tap water improved microplastic removal, with aluminum sulfate achieving 43% and 62% removal efficiencies respectively, though the high concentrations required suggest that combining coagulants with organic polyelectrolytes could improve practicality.
Electro-coagulation technique using iron [Fe] and aluminium [Al] for microplastics removal from fashion industry wastewater, Thailand
Laboratory tests showed that electrocoagulation — running electrical current through iron and aluminum electrodes — can remove microplastics from textile industry wastewater in Thailand with high efficiency. Because conventional wastewater treatment plants were not designed to capture particles as small as microplastics, electrochemical methods like this represent a promising upgrade to reduce the millions of microplastic particles released daily from textile factories.
Enhanced adsorption performance of sulfamethoxazole and tetracycline in aqueous solutions by MgFe2O4-magnetic biochar
Researchers developed MgFe2O4-magnetic biochar adsorbents from corncob that simultaneously removed two common antibiotics — sulfamethoxazole and tetracycline — from water, offering an efficient and separable solution for antibiotic pollution remediation.
Biosorption Potential of Microbial and Residual Biomass of Saccharomyces pastorianus Immobilized in Calcium Alginate Matrix for Pharmaceuticals Removal from Aqueous Solutions
Researchers synthesized and characterized two biosorbents based on Saccharomyces pastorianus yeast immobilized in calcium alginate matrices and evaluated their performance in removing the pharmaceutical ethacridine lactate from aqueous solutions, achieving removal efficiencies above 90% at pH 4.0 and fitting adsorption data to multiple isotherm models including Freundlich, Sips, and Toth.
Synthesis and characterization of electrospun-based composite for the remediation of pharmaceutical pollutants in wastewater
Researchers synthesised and characterised electrospun molecularly imprinted polymer composites designed to adsorb pharmaceutical pollutants — including NSAIDs such as naproxen and ibuprofen and antiretroviral drugs — from wastewater. The multi-template imprinted polymer demonstrated selective adsorption capacity for the target pharmaceuticals, presenting a nanotechnology-based remediation strategy for removing persistent drug contaminants from aquatic environments.
Alginate/geopolymer hybrid beads as an innovative adsorbent applied to the removal of 5-fluorouracil from contaminated environmental water
Researchers developed alginate-geopolymer hybrid beads for removing the cytostatic drug 5-fluorouracil from water, characterizing the adsorbent material and demonstrating effective drug capture, addressing the environmental risk of pharmaceutical contamination from cancer treatment wastewater.
Adsorption of Different Pollutants by Using Microplastic with Different Influencing Factors and Mechanisms in Wastewater: A Review
This review examines how microplastics adsorb various pollutants including heavy metals, antibiotics, and organic contaminants in wastewater, analyzing the key factors and mechanisms that influence their adsorption capacity and environmental behavior.