Economía Circular

 

Economía Circular

An Analysis of the Ventilation Efficiency of Various Configurations of Inlet and Outlet Vents in a Residential Building by CFD Simulation
30/10/2024 - Residential buildings in South Korea have equipped an energy recovery ventilation (ERV) system to improve energy efficiency as well as dilute indoor air pollution. While most studies have focused on...
Thermistors Based on Polyethylene Composites with ??Fe2O3/Multiwalled Carbon Nanotube Hybrid Fillers for Protection of Electronic Circuits
25/10/2024 - The article focuses on the effect of ordered distribution of Fe2O3/multiwalled carbon nanotubes particles due to magnetic treatment on the electrical and sensing properties of low?density...
Innovative system to maximize methane production from fruit and vegetable waste
26/10/2024 - Anaerobic digestion of fruit and vegetable waste (FVW) offers an environmentally friendly alternative for waste disposal, converting it into methane for energy recovery. Typically, FVW digestion...
Experimental study on the cushioning energy absorption characteristics of polymer materials resistant to seawater erosion in seismic damping layers
21/10/2024 - We conduct numerical simulations to investigate the performance of CS and MS, in order to improve the recovery of polypropylene.AbstractThe recycling of waste plastics primarily involves physical...
Eco?efficient recycling of carbon fibers from CFRP waste: A two?step strategy by nanosecond pulsed laser
24/10/2024 - Mechanism of two?step laser recycling method (LRM) for CFRP.The accumulation of CFRP waste poses significant environmental challenges, necessitating the development of green and efficient recycling...
Neuron?Inspired Flexible Phase Change Materials for Ambient Energy Harvesting and Respiration Monitoring
22/10/2024 - Neuron?inspired flexible phase change materials (PCMs) are fabricated via a self?assembly strategy, demonstrating high photothermal conversion efficiency and excellent thermal cycle stability. Due to...
Thermodynamic Model Synthesis of Heat-Integrated Work Exchanger Networks
19/10/2024 - Heat integration has been widely and successfully practiced for recovering thermal energy in process plants for decades. It is usually implemented through synthesizing heat exchanger networks (HENs)....
Ethanol Production from Fruit and Vegetable Waste: A Sustainable Approach for Resource Recovery
- Fruit and vegetables waste are a promising feedstock for production of ethanol have garnering significant attention due to its potential and environmentally sound energy source including reducing...
Decarbonizing European Industry: A Novel Technology to Heat Supply Using Waste and Renewable Energy
06/10/2024 - This study examines the potential for the smart integration of waste and renewable energy sources to supply industrial heat at temperatures between 150 °C and 250 °C, aiming...
A Novel Plasma-Enhanced Solvolysis as Alternative for Recycling Composites
07/10/2024 - In this work, a plasma-assisted solvolysis method is proposed as an alternative method for the oxidative degradation of carbon fiber-reinforced composites (CFRCs). Nitrogen plasma ignition within...
Facile preparation of TPU/PCL/carbon nanotubes double-percolation conductive nanocomposite and evaluation of the application as flexible sensors for rapid and selective response in volatile organic compounds
23/09/2024 - Abstract Severe environmental pollution resulting from improper emissions of volatile organic gases (VOCs) has posed significant menaces to human health, ecosystem security, and...
Physical aging of a glassy polymer in cultural heritage conservation
27/08/2024 - Artworks, particularly easel paintings, are multi?component materials intended to last indefinitely. The protective coatings applied to these artworks often consist of amorphous glass?like polymers,...
Assessment of Energy Recovery Potential in Urban Underground Utility Tunnels: A Case Study
28/09/2024 - Underground spaces contain abundant geothermal energy, which can be recovered for building ventilation, reducing energy consumption. However, current research lacks a comprehensive quantitative...
Comparison of Greenhouse Gas Emission Assessments of Solar and Energy Efficiency Improvements at Small Water Resource Recovery Facilities
03/06/2024 - Small water resource recovery facilities (WRRFs) account for the majority of centralized systems in the world and have higher energy intensities than large facilities. This study compares potential...
Research on Reverse Osmosis (RO)/Nanofiltration (NF) Membranes Based on Thin Film Composite (TFC) Structures: Mechanism, Recent Progress and Application
- The global shortage of clean water is a major problem, even in water-rich regions. To solve this problem, low-cost and energy-efficient water treatment methods are needed. Membrane separation...
Purification of Liquid Fraction of Digestates from Different Origins—Comparison of Polymeric and Ceramic Ultrafiltration Membranes Used for This Purpose
- Circular economy, clean technologies, and renewable energy are key to climate protection and modern environmental technology. Recovering water and valuable minerals from the liquid fraction of...
Ethylene-Propylene-Methylene/Isoprene Rubber/SiO2 Nanocomposites with Enhanced Mechanical Performances and Deformation Recovery Ability by a Combination of Synchronously Vulcanizing and Nanoparticle Reinforcement
03/10/2024 - It is highly desired yet challenging to develop advanced elastomers with excellent mechanical properties, including high strength and toughness. In this work, strong and tough rubber/rubber compound...
Sustainable Energy Application of Pyrolytic Oils from Plastic Waste in Gas Turbine Engines: Performance, Environmental, and Economic Analysis
02/10/2024 - The rapid accumulation of polymer waste presents a significant environmental challenge, necessitating innovative waste management and resource recovery strategies. This study investigates the...
Development of high?performance EGMA/EVA?bamboo powder composite foams with enhanced stability, strengthening and toughening for sustainable applications
21/09/2024 - EGMA/EVA?BP composite foam shows both increased strength and toughness.Commercial ethylene vinyl acetate co?polymer (EVA) foam is already an important part of everyday life thanks to its weather...
Synthesis of Cooligomer Based on 2-Allylphenol, Formaldehyde, and Ethylenediamine and Study of Its Structured Product as a Sorbent for Extraction of Uranyl Ions from Aqueous Systems
01/04/2024 - Abstract A cooligomer has been synthesized with a yield of 93% by triple condensation of 2-allylphenol, formaldehyde, and ethylenediamine (0.5 : 4.0 : 1.0). The molecular...
Exploring Sustainable Pb Recovery from Zinc Plant Residues via Hydrometallurgical Processes: Comparative Analysis of Zinc and Aluminum Powder Cementation
- This study explores the recovery and preparation of Pb from Zn plant residues (ZPR), specifically leaching filter cake (LFC), through a hydrometallurgical process that includes the cementation of Pb...