A5063154432- Adsorption and biosorption for pollutant removal
- Nanomaterials for catalytic reactions
- Electrochemical sensors and biosensors
- Pharmaceutical and Antibiotic Environmental Impacts
- Aquatic Ecosystems and Phytoplankton Dynamics
- Iron oxide chemistry and applications
- Microplastics and Plastic Pollution
- Agricultural and Food Sciences
- Constructed Wetlands for Wastewater Treatment
- Nanoparticles: synthesis and applications
- Metal-Organic Frameworks: Synthesis and Applications
- TiO2 Photocatalysis and Solar Cells
- Multicomponent Synthesis of Heterocycles
- Anaerobic Digestion and Biogas Production
- Microbial Inactivation Methods
- Environmental remediation with nanomaterials
- Essential Oils and Antimicrobial Activity
- Melamine detection and toxicity
- Microbial bioremediation and biosurfactants
- Coconut Research and Applications
- Advanced oxidation water treatment
- Polysaccharides Composition and Applications
- Mesoporous Materials and Catalysis
- Electrokinetic Soil Remediation Techniques
- Covalent Organic Framework Applications
Universidade Estadual de Maringá
2022-2024
University of Lisbon
2021-2024
Drugs are being registered in water resources around the world, becoming a palpable environmental problem by altering natural characteristics of and, consequently, environment living organisms. Many techniques can be used to remove drugs present contaminated waters, among them stands out adsorption process. In this work, metformin, an antidiabetic drug, using commercial zeolite as adsorbent was investigated. The material characterized Fourier Transform Infrared Spectroscopy (FTIR), Scanning...
Abstract BACKGROUND Developing robust technologies to remove emerging pollutants from water is urgent since conventional treatments are not technically prepared them. This paper investigated the ibuprofen (IBU) adsorption capacity onto natural zeolite (NZ) and hydrothermally modified in an acidic medium followed by impregnation with cationic surfactant cetyltrimethylammonium bromide (CTAB) (MZ HT‐CTAB ). The materials characterization included scanning electron microscopy (SEM), X‐ray...
ABSTRACTThe combined approach of specific surface area (SSA), porosity, microprobe analysis (EMPA), transmission electron microscopy (TEM), scanning (SEM) equipped with EDX and infrared spectroscopy (FTIR) provided the mica mineral physico-chemical morphological characterisation. The electrostatic properties were assessed through determination Point Zero Charge (pHPZC) by drift method electrokinetic features represented Isoelectric (pHIEP) which was carried out zeta potential measurements....
The present study investigated the use of a biosorbent produced from Leucaena leucocephala pods for removal metformin aqueous solutions. were subjected to chemical and thermal treatments referred as L. modified, which was characterized using scanning electron microscopy (SEM). parameters in sorption process temperature, contact time, adsorbent dosage, pH, initial concentration. experimental data accordance with Langmuir isothermal model. maximum adsorption capacity reached 56.18 mg g−1 at...
This paper investigated the ibuprofen (IBU) adsorption capacity onto natural zeolite (NZ) and hydrothermally modified in an acidic medium followed by impregnation with cationic surfactant cetyltrimethylammonium bromide (CTAB) (MZHT-CTAB). The materials characterization included scanning electron microscopy (SEM), X-ray diffraction (XRD), atomic absorption spectroscopy (AAS), Fourier transform infrared (FTIR), thermogravimetric analysis (TGA/DTG), N2 adsorption/desorption isotherm (BET), Zeta...
The presence of micropollutants, such as caffeine (CAF), has been detected throughout the world, since conventional treatment plants are not able to properly degrade them. CAF is a widely consumed stimulant, and demanding development efficient methodologies for its removal. Aiming at agriculture waste valorization, new hydrochar was developed based on chemical thermal modification peach stones (mod-PS) removal from water synthetic mixture. morphology, functional groups surface electrical...
Berry-type fruits from Arecaceae palms have excellent nutritional, functional and economic characteristics. This study aimed to evaluate the pulp of Aiphanes aculeata palm fruit through analysis proximate composition, physicochemical parameters, micronutrients, total phenolics, antioxidant activity cytotoxicity. In relation macronutrients, low levels lipids, proteins fibers, high carbohydrates sugars were determined. Among micronutrients analyzed (Ca, Mg, Zn, Fe, P K), potassium (933.04...
Bacillus subtilis tem sido muito empregada em trabalhos de controle ambiental, biotecnologia devido sua capacidade produção enzimas como α-amilase e protease grande escala. É uma bactéria que facilidade manipulação laboratório por não possuir toxicidade relação a espécie humana ser encontrada com abundância no solo. Assim, objetivou-se realizar um levantamento bibliográfico afim caracterizar suas diversas formas uso. Nesse estudo foram destacadas as produzidas aplicações nas áreas utilização...
The work solves the problem of obtaining adsorbents from cheap and available feedstock able for removal low-molecular-weight toxic organic substances aqueous solutions. It is proposed to obtain an adsorbent wastes such biodegradable polymer as polylactic acid (PLA), example, used packaging. polymer was heated up melting point, cooled ground. thermally treated PLA sample contained end carboxyl hydroxyl groups, which were identified with Fourier-IR spectroscopy, ion-exchange activity found....
As the shift towards renewable use of biosorbents organic origin for water treatment, new approaches recovery fruits biowastes must be established to a more sustainable waste management strategy. This paper explores feasibility functionalize mango stones with iron oxide MNP (MS-Fe3O4) by coprecipitation in batch adsorption processes. The synthesized material was characterized and, sequentially, used removal CQN and SER, present contaminated waters. biosorbent submitted regenerative study...
Diante do aumento da população mundial, consumo em excesso e consequente poluição ambiental, a busca por alternativas eficientes que contribuam para descontaminação das águas é de grande relevância. Os efluentes industriais apresentam composição física, química biológica complexa, sendo o tipo matéria prima usada pela indústria definirá sua aparência, coloração, densidade, acidez basicidade, temperatura presença compostos orgânicos e/ou inorgânicos. O descarte incorreto desse passivo...