Gabriela Roa‐Morales

ORCID: 0000-0001-7355-2568
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About
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Research Areas
  • Advanced oxidation water treatment
  • Water Quality Monitoring and Analysis
  • Electrochemical Analysis and Applications
  • Electrochemical sensors and biosensors
  • Adsorption and biosorption for pollutant removal
  • Advanced Photocatalysis Techniques
  • Environmental remediation with nanomaterials
  • Analytical Chemistry and Sensors
  • Advanced Chemical Sensor Technologies
  • Nanomaterials for catalytic reactions
  • Analytical Chemistry and Chromatography
  • Dye analysis and toxicity
  • Water Treatment and Disinfection
  • Analytical chemistry methods development
  • Conducting polymers and applications
  • TiO2 Photocatalysis and Solar Cells
  • Electrokinetic Soil Remediation Techniques
  • Nanoparticles: synthesis and applications
  • Wastewater Treatment and Reuse
  • Covalent Organic Framework Applications
  • Enzyme-mediated dye degradation
  • Biofuel production and bioconversion
  • Analytical Methods in Pharmaceuticals
  • Water Quality Monitoring Technologies
  • Water and Wastewater Treatment

Universidad Autónoma del Estado de México
2016-2025

Mexican Academy of Sciences
2024

Universidad Nacional Autónoma de México
2011-2021

University of Concepción
2017

Xavier University of Louisiana
2008

University of Castilla-La Mancha
2008

University of North Texas
2005

Universidad Autónoma Metropolitana
1999-2005

To use a new potential lignocellulosic bioresource that has several attractive agroenergy features for ethanol production, the chemical characterization and compositional analysis of fruit wastes were carried out.Orange bagasse orange, banana, mango peels studied to determine their general biomass characteristics provide detailed structures.Semiquantitative showed components each waste differed with respect composition.Fourier transform infrared spectrometry (FTIR) residual presence various...

10.15376/biores.9.2.1873-1885 article EN publisher-specific-oa BioResources 2014-02-06

In this contribution, we described how phytoremediation using M. aquaticum is feasible with coupled ozonation/Fenton-like processes in real wastewater from the denim textile industry, purpose of removing color and, therefore, highly polluting particles. For process, pHs 3 and 9 were evaluated a copper-enriched pumice to activate catalytic carried out Fenton-like reactions. Subsequently, was completely degrade by-products generated ozone/Fenton-like process. Plant health controlled through...

10.3390/catal15010043 article EN Catalysts 2025-01-06

The removal of organic pollutants from food-industry wastewater by an aluminum electrocoagulation process was evaluated using a pilot batch reactor coupled to rotating electrode. Under optimal conditions pH 4, 18.2 A m-2 current density, and 150 rpm electrode rotational velocity, the electrochemical method yields very effective reduction all pollutants. Treatment reduced chemical oxygen demand (COD) 88%, biochemical (BOD5) 52%, total solids 82%, coliforms 93%. effect on species formed...

10.1021/ie050594k article EN Industrial & Engineering Chemistry Research 2005-12-08

Electrocoagulation is an electrochemical technique which being applied to the removal of a number water pollutants: metals, organic contaminants, dyes and pigments, colloidal solids particles, soluble inorganic pollutants, others. Both reactions that take place at electrode effect on bulk solution are explained. The influence metal cation concentration (iron or aluminum) as well pH aqueous shown. advantages disadvantages electrocoagulation compared traditional coagulation methods reviewed....

10.1080/15422119.2011.542737 article EN Separation and Purification Reviews 2011-02-15

The goal of this research was to investigate the effectiveness chemical and electrochemical pretreatments in removing biorefractory compounds from a complex industrial wastewater. presence recalcitrant wastewater reduces traditional biological treatments; case, COD reduction around 30%. Therefore, some are required eliminate toxic substances improve efficiency. Chemical coagulation evaluated using standard jar testing technique with aluminum iron sulfates polyhydroxychloride (PAC). best...

10.1021/ie800560n article EN Industrial & Engineering Chemistry Research 2008-08-16

The present research aims to study the removal of indigo carmine dye used in industrial denim dyeing processes. For this purpose, integrated advanced oxidation process comprising ozone and electrocoagulation techniques were used. After was applied 64% color removal, 78% turbidity 3% COD reduction observed. With treatment a 22%, 21% 9% achieved, respectively. However; using process, 65% 76% 37% could be attained. synergistics associated coupling both processes yielded increased color,...

10.1016/s1452-3981(23)12925-7 article EN cc-by-nc-nd International Journal of Electrochemical Science 2013-06-01

A green method for synthesizing iron oxide nanorods within orange peel pith has been developed. Orange functions as both a support and reducing agent ions. The were characterized using scanning electron microscopy, energy dispersive X-ray spectroscopy, transmission microscopy photoelectron spectroscopy. Results of the characterization indicate that is deposited on surface primarily in form iron, iron(II) magnetite. nanoparticles grow to range 20-40 nm diameter. biocomposite was then tested...

10.1166/jnn.2013.7093 article EN Journal of Nanoscience and Nanotechnology 2013-03-01

Technical and economic criteria were used to evaluate the feasibility of treatment an industrial effluent (10 m3/h) for water recovery reuse. The evaluation included following: (1) characteristic determination; (2) selection at lab scale, establishing operating conditions process efficiency; (3) scaling up level; (4) plant design commercial availability analysis required equipment; (5) costs inversion operation treatment, cost/m3 recovery, time investment recovery. physicochemical...

10.3390/membranes15010033 article EN cc-by Membranes 2025-01-16

At present, the amount of heavy metals in some aquifers exceeds limits established by standards, especially developing countries. Cadmium is present high concentrations aquifers; contact with cadmium can lead to adverse health effects. Adsorption one most efficient and low-cost methods currently used separate from water systems. In order obtain a sustainable metal adsorption system, abundant, low-cost, biodegradable, easy-to-treat organic waste compounds were sought. Three biosorbents...

10.3390/environments12040097 article EN Environments 2025-03-21

In this study, gamma irradiation induced degradation of orange peels (OP) was investigated. The lignocellulosic biomass carried out at doses 0 (control), 600, 1800 and 3500 kGy using a Co-60 radiation source. samples were tested for total reducing sugars. concentrations sugars ranged from 0.530 g∙g−1 in control sample to 0.382 dry weight the which received highest dose. content varying 0.018 0.184 with largest rise occurring irradiated kGy. sucrose, glucose fructose determined. changes...

10.3390/en5083051 article EN cc-by Energies 2012-08-14
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