Juan A. Conesa
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View article: The Contribution of Commercial Flights to the Global Emissions of Inorganic and Organic Pollutants
The Contribution of Commercial Flights to the Global Emissions of Inorganic and Organic Pollutants Open
The aviation industry significantly contributes to global greenhouse gas (GHG) emissions, accounting for approximately 2–3% of total annual CO2 emissions, with high-altitude operations amplifying radiative forcing effects. This study quant…
View article: Thermal Decomposition Behavior and Characterization of Automotive Paint Sludge
Thermal Decomposition Behavior and Characterization of Automotive Paint Sludge Open
Automotive paint sludge (APS) is a ubiquitous, recalcitrant waste product of the vehicle manufacturing process. The potential of APS for energy and chemical production via pyrolysis and gasification is undermined by the absence of methodol…
View article: Recovery of Cellulose Contained in Mixed Fabrics
Recovery of Cellulose Contained in Mixed Fabrics Open
The present work focuses on the recovery of cellulose from mixed fabrics containing polyester and cotton through the use of different chemical and hydrothermal treatment methods. Through the application of various analytical techniques, su…
View article: Impact of Bioplastic Design on Biodigestion Treatment
Impact of Bioplastic Design on Biodigestion Treatment Open
In this study, the impact of bioplastic design on anaerobic digestion for biogas production was investigated. This research aims to facilitate the integration of bioplastics into a circular economy, which is why our study proposes consider…
View article: Thermal Decomposition of Bio-Based Plastic Materials
Thermal Decomposition of Bio-Based Plastic Materials Open
This research delves into a detailed exploration of the thermal decomposition behavior of bio-based polymers, specifically thermoplastic starch (TPS) and polylactic acid (PLA), under varying heating rates in a nitrogen atmosphere. This stu…
View article: Replacing Natural Gas with Biomethane from Sewage Treatment: Optimizing the Potential in São Paulo State, Brazil
Replacing Natural Gas with Biomethane from Sewage Treatment: Optimizing the Potential in São Paulo State, Brazil Open
The search for cleaner and more sustainable energy sources is increasingly growing. Aligning this demand with another environmental problem, such as sewage treatment/disposal, is a strategic priority. In light of this, the aim of this stud…
View article: Life Cycle Assessment of a Vegetable Tannin-Based Agent Production for Waters Treatment
Life Cycle Assessment of a Vegetable Tannin-Based Agent Production for Waters Treatment Open
The scarcity of natural resources makes it essential to develop products that meet environmental requirements. This is also true for the water and wastewater treatment business, where even consolidated processes, such as coagulation and fl…
View article: Thermal Decomposition of Bio-Based Plastic Materials
Thermal Decomposition of Bio-Based Plastic Materials Open
This research delves into a detailed exploration of the thermal decomposition behavior of bio-based polymers, specifically Thermoplastic Starch (TPS) and Poly(lactic acid) (PLA). The study focuses on the impact of three different heating r…
View article: A mini review on phytoremediation of fluoride-contaminated waters: a bibliometric analysis
A mini review on phytoremediation of fluoride-contaminated waters: a bibliometric analysis Open
Traditional techniques for removing fluoride (F − ) from water are costly and complex, whereas phytoremediation is a less expensive method that can be adopted as an ecotechnological tool to control not only fluorine, but also other polluta…
View article: Decontamination of recycled LDPE using different washing methods
Decontamination of recycled LDPE using different washing methods Open
Post-consumer low density polyethylene samples were analysed for PAHs, PCDD/Fs and dioxin-like PCBs content. Subsequently, various treatments were applied to determine a process capable of decontaminating the plastic samples: extraction wi…
View article: Debromination of Waste Circuit Boards by Reaction in Solid and Liquid Phases: Phenomenological Behavior and Kinetics
Debromination of Waste Circuit Boards by Reaction in Solid and Liquid Phases: Phenomenological Behavior and Kinetics Open
The debromination of waste circuit boards (WCBs) used in computer motherboards and components has been studied with two different pieces of equipment. Firstly, the reaction of small particles (around one millimeter in diameter) and larger …
View article: Production of Acoustic Insulating Materials from Viscoelastic Mattress Waste
Production of Acoustic Insulating Materials from Viscoelastic Mattress Waste Open
In this work, briquettes from mattress waste are manufactured and the acoustic properties of the materials produced are checked. Briquettes are made at temperatures between 170 and 185 °C using waste from viscoelastic memory foam (VMF) and…
View article: Debromination and Reusable Glass Fiber Recovery from Large Waste Circuit Board Pieces in Subcritical Water Treatment
Debromination and Reusable Glass Fiber Recovery from Large Waste Circuit Board Pieces in Subcritical Water Treatment Open
The great economic, social, and environmental interest that favors an effective management of the recycling of waste printed circuit boards (WCBs) encourages research on the improvement of processes capable of mitigating their harmful effe…
View article: Adsorption of PAHs and PCDD/Fs in Microplastics: A Review
Adsorption of PAHs and PCDD/Fs in Microplastics: A Review Open
The presence of microplastics (MPs) in the environment, and the effects that the ingestion of these materials can have on organisms, can be aggravated by the adsorption of harmful substances on the surface or inside the MPs. Of special rel…
View article: Reuse of Water Contaminated by Microplastics, the Effectiveness of Filtration Processes: A Review
Reuse of Water Contaminated by Microplastics, the Effectiveness of Filtration Processes: A Review Open
Water treatment generally does not specifically address the removal of microplastics (MPs). Nevertheless, treatment plants process water effectively, and the number of synthetic microparticles in effluents is usually very low. Still, disch…
Presence of microplastics in commercial canned tuna Open
The present study aims to determine the presence of synthetic polymeric microparticles (MPs) in samples of canned tuna. An analysis procedure of these microparticles was developed and tested. Four brands of tuna marketed in Ecuador canned …
View article: Sewage Sludge as Inhibitor of the Formation of Persistent Organic Pollutants during Incineration
Sewage Sludge as Inhibitor of the Formation of Persistent Organic Pollutants during Incineration Open
With the objective of suppressing dioxins and furans (PCDD/Fs) emission in municipal solid waste incineration plants (MSWI), different chemical inhibitors have been tested. Among these inhibitors, nitrogen and sulphur compounds can signifi…
View article: PAH and POP Presence in Plastic Waste and Recyclates: State of the Art
PAH and POP Presence in Plastic Waste and Recyclates: State of the Art Open
The presence of different pollutants in recycled plastics is reviewed in this article. The desirable circular economy of plastics should be linked to the availability of clean recycled plastics with a non-significant and small to nil amoun…
View article: A Win–Win Combination to Inhibit Persistent Organic Pollutant Formation via the Co-Incineration of Polyvinyl Chloride E-Waste and Sewage Sludge
A Win–Win Combination to Inhibit Persistent Organic Pollutant Formation via the Co-Incineration of Polyvinyl Chloride E-Waste and Sewage Sludge Open
Persistent organic pollutant inhibition in the combustion process of polyvinyl chloride (PVC) by prior addition of an inhibitor is currently being studied, reducing the emission of pollutants, and thus reducing the large amount of waste PV…
View article: Numerical Integration of Weight Loss Curves for Kinetic Analysis
Numerical Integration of Weight Loss Curves for Kinetic Analysis Open
Research abounds in the literature on kinetic analyses using thermogravimetric (TG) runs. Many of these studies use approximations of integral or derivative forms of the kinetic law and all of them use programmed temperatures. In the prese…
View article: Numerical Integration of Weight Loss Curves for Kinetic Analysis
Numerical Integration of Weight Loss Curves for Kinetic Analysis Open
Research abounds in the literature on kinetic analyses using thermogravimetric (TG) runs. Many of these studies use approximations of integral or derivative forms of the kinetic law and all of them use programmed temperature, not the actua…