Economía Circular

Economía Circular

Toxic Elements Behavior during Plasma Treatment for Waste Collected from Power Plants
28/06/2022 - The subject of this work is the treatment of solid waste collected from power plants using thermal plasma technology. Inductively coupled plasma (ICP), X-ray fluorescence (XRF), and energy-dispersive...
Bioconversion of Mixed Alkanes to Polyhydroxyalkanoate by Pseudomonas resinovornas: Upcycling of Pyrolysis Oil from Waste-Plastic
28/06/2022 - Polyhydroxyalkanoate (PHA) is a biodegradable plastic that can be used to replace petroleum-based plastic. In addition, as a medium-chain-length PHA (mcl-PHA), it can be used to provide elastomeric...
Pyrolysis Study of Mixed Polymers for Non-Isothermal TGA: Artificial Neural Networks Application
28/06/2022 - Pure polymers of polystyrene (PS), low-density polyethylene (LDPE) and polypropylene (PP), are the main representative of plastic wastes. Thermal cracking of mixed polymers, consisting of PS, LDPE,...
NiFeMn-Layered Double Hydroxides Linked by Graphene as High-Performance Electrocatalysts for Oxygen Evolution Reaction
27/06/2022 - Currently, precious metal group materials are known as the efficient and widely used oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) catalysts. The exorbitant prices and...
A review on the migration and transformation of heavy metals in the process of sludge pyrolysis
01/10/2022 - With the substantial increase in sludge production, the disposal of sludge and the reduction...
Nickel nanoparticles embedded in porous carbon-coated honeycomb ceramics: A potential monolithic catalyst for continuous hydrogenation reaction
01/09/2022 - The preparation method of porous carbon coated honeycomb ceramic monolithic catalysts is limited to traditional ideas. The porous carbon and the active metal particles are formed step by step. We...
Probing active species for CO hydrogenation over ZnCr2O4 catalysts
01/08/2022 - Surface hydroxyl species are consumed by CO via the route of water-gas-shift reaction, while surface hydride species would hydrogenate CO to form formate. Surface hydride species could...
Removal of organic contaminants by starch-derived porous carbon via peroxymonosulfate activation: The role of N doping and Fe/Mn loading
- In this work, Fe/Mn-loaded nitrogen-doped porous carbonaceous materials were synthesized by a one-step pyrolysis process for organic contaminants removal. The effects of the component ratios of...
Hybridization of Palladium Nanoparticles with Aromatic?rich SU?101 Metal?Organic Framework for Effective Transfer Hydrogenation
24/06/2022 - Metal?organic frameworks(MOFs) are crystalline porous materials with designable pores. In this study, we loaded Pd nanoparticles onto ??electron rich pores of elegiac acid based SU?101 MOF (Bi 2 ...
The kinetic models analyses of hydrogenated natural rubber during non?isothermal degradation process
20/06/2022 - HNR with better thermal stability is prepared by diimide reduction in the presence of zinc sulfate heptahydrate. The kinetic models of HNR is determined by TG?DTG using Coats?Redfern method and Achar...
Pyrolysis Characteristics and Non-Isothermal Kinetics of Integrated Circuits
24/06/2022 - Due to the complexity of components and high hazard of emissions, thermochemical conversions of plastics among waste-integrated circuits (ICs) are more favorable compared with the common treatment...
Changes in Chemical and Thermal Properties of Bamboo after Delignification Treatment
24/06/2022 - Bamboo delignification is a common method for studying its functional value-added applications. In this study, bamboo samples were delignified by treatment with sodium chlorite. The effects of this...
2D Zinc-Based Metal–Organic Complexes Derived N-Doped Porous Carbon Nanosheets as Durable Air Cathode for Rechargeable Zn–Air Batteries
25/06/2022 - The defect and N-doping engineering are critical to developing the highly efficient metal-free electrocatalysts for oxygen reduction reaction (ORR), mainly because they can efficiently regulate the...
High Precision 3D Printing of High Strength Polymer Derived Ceramics: Impact of Precursor’s Molecular Structure
22/06/2022 - Additive manufacturing (3D printing) offers new opportunities to create complex structures towards many applications. The development of suitable precursors for high resolution 3D printing of...
Ultra-efficient N2 electroreduction achieved over a rhodium single-atom catalyst (Rh1/MnO2) in water-in-salt electrolyte
- Electrocatalytic nitrogen reduction reaction (NRR) is an appealing strategy for green ammonia synthesis. Despite tremendous efforts, current NRR performances of most catalysis systems remain far...
Advanced ceramic coatings on aluminum by laser treatment of filled organosilazane-based composites
- Aluminum and their alloys are particularly suitable for structural components due to their high specific strength and stiffness. However, the low surface hardness and wear resistance limits the...
Kinetic Study on Thermal Degradation of Crosslinked Polyethylene Cable Waste
23/06/2022 - Abstract Kinetic study of the pyrolysis of waste plastic is crucial in the design of an efficient and predictable thermochemical conversion system amidst the huge amount of...
Enhanced formation of multi-branched isoparaffins in syngas conversion by ZnCrOx-MCM-22 composites
- Direct syngas conversion to gasoline-range hydrocarbons particularly environmental-friendly, high octane number multi-branched isoparaffins attracts wide attention from both academia and industry...
Highly stable Sr and Na co-decorated Fe catalyst for high-valued olefin synthesis from CO2 hydrogenation
- Direct catalytic hydrogenation of CO2 is a highly promising route for olefin synthesis. However, achieving high olefin selectivity is predicated on the development of a selective catalyst with...
Preparation and Fire-Retardant Mechanism of Self-Hardening Silica Foam for Wood Fire Prevention
21/06/2022 - Considering the hazard of wood fire is one of the major cataclysms in nature, an effective way to prevent the loss of wood fire should be studied, such as fire-resistant materials. In this work, a...
Preparation of Wax-Based Warm Mixture Additives from Waste Polypropylene (PP) Plastic and Their Effects on the Properties of Modified Asphalt
20/06/2022 - The production of high-performance, low-cost warm mix additives (WMa) for matrix asphalt remains a challenge. The pyrolysis method was employed to prepare wax-based WMa using waste polypropylene...