Economía Circular

Economía Circular

Sequential Dark-Photo Batch Fermentation and Kinetic Modelling for Biohydrogen Production Using Cheese Whey as a Feedstock
- Abstract The present work describes the utilisation of cheese whey to produce biohydrogen by sequential dark-photo fermentation. In first stage, cheese whey was fermented by...
Nano silver using Cassia auriculata flower extract and their photocatalytic observations
16/05/2022 - Present work describes the biosynthesis of silver nanoparticles from Cassia auriculata flower extract. The valence?free Ag ions and surface plasmon resonance (SPR) existence are located at 430 nm by...
Effect of foam filling on the energy absorption behaviour of flax/polylactic acid composite interlocking sandwich structures
15/07/2022 - A novel double cell wall interlocking square core was fabricated from flax fibre reinforced
Improvement of aquaculture water quality by mixed Bacillus and its effects on microbial community structure
16/05/2022 - Microbial remediation, especially the application of probiotics, has recently gained popularity in improving water quality and maintaining aquatic animal health. The efficacy and mechanism of...
How do resource dependence and technological progress affect carbon emissions reduction effect of industrial structure transformation? Empirical research based on the rebound effect in China
16/05/2022 - Under the guidance of carbon peak and carbon neutral targets, the industrial structure transformation is vital for carbon emissions reduction in China. However, there is a rebound effect of carbon...
A microcosm approach for evaluating the microbial nonylphenol and butyltin biodegradation and bacterial community shifts in co-contaminated bottom sediments from the Gulf of Finland, the Baltic Sea
16/05/2022 - Pollution of aquatic ecosystems with nonylphenol (NP) and butyltins (BuTs) is of great concern due to their effects on endocrine activity, toxicity to aquatic organisms, and extended persistence...
Influence of algal organic matter on metal accumulation in adjacent sediments of aquaculture from a tropical coast region
16/05/2022 - The rapid development of coastal aquaculture in recent decades has led to excessive discharge of organic matter and nutrients into surrounding waters, which could result in eutrophication and...
Occurrence of per- and polyfluoroalkyl substances (PFAS) in municipal solid waste landfill leachates from western China
16/05/2022 - Landfill leachate has been documented as a significant source of trace organic pollutants, comprising an expansive family of per- and polyfluoroalkyl substances (PFAS). This study presents the...
The influence of carbon emission disclosure on enterprise value under ownership heterogeneity: evidence from the heavily polluting corporations
16/05/2022 - Under the background that China puts forth the goals of “Emission Peak” and “Carbon Neutrality”, heavily polluting corporations as the main source of carbon emissions, whether the...
Fiscal decentralization, government innovation preference, and haze pollution
16/05/2022 - Local governments are the dominant players in haze pollution control; furthermore, financial power reconstruction affects the effectiveness of haze control. Government innovation preference...
Roadmap for recycling of germanium from various resources: reviews on recent developments and feasibility views
16/05/2022 - Germanium as a strategic metalloid is widely used in high-tech devices. The most crucial germanium resources are rare and limited to zinc minerals, i.e., especially zinc sulfides and coal-related...
Modeling a periodic electric vehicle–routing problem considering delivery due date and mixed charging rates using metaheuristic method
16/05/2022 - The coupling of ever-increasing consumption of fossil fuels around the globe with the decrease in the availability of fossil fuel supplies has led to an increased cost of energy commodities, which...
Factors driving sediment compositional change in the distal area of the Ria de Vigo (NW Spain): oceanographic processes vs. paleopollution
16/05/2022 - We analyze potential Late Holocene metal contamination along a sediment core collected in the distal zone of Ria de Vigo (North Spain). Statistical treatment of the dataset based on a multiproxy...
Study on carbon dioxide emission from reservoirs with different regulation types and its empirical prediction model
16/05/2022 - The construction of artificial reservoirs with various regulation types on river is currently an important form of comprehensive utilization of water energy and water resources in river basins....
Why is inhalation the most discriminative route of microplastics exposure?
16/05/2022 - Recent research suggests a definite distinction between indoor and outdoor microplastics (MPs). However, knowledge of different MP kinds and relative exposure via inhalation to humans in outdoor...
Bionanocomposites based on natural rubber and cellulose nanofibrils from arecanut husk: Rheological, mechanical and thermal characterizations
16/05/2022 - Abstract Cellulose nanofibrils with a substantial aspect ratio (100–150) were isolated from an abundant agricultural waste, arecanut husk. These cellulose nanofibrils were...
Structural Design and Fabrication of Multifunctional Nanocarbon Materials for Extreme Environmental Applications
12/05/2022 - Extreme environments represent numerous harsh environmental conditions, such as temperature, pressure, corrosion and radiation. The tolerance of applications in extreme environments exemplifies...
Learning-based fixed-wing UAV reactive maneuver control for obstacle avoidance
- AbstractComplex 3D obstacle environments raise high requirements of the rapid reaction capability and safety aiming at the maneuver control for obstacle avoidance (MCOA) of fixed-wing unmanned...
Effects of slat track on the flow and acoustic field of high-lift devices
- AbstractMost of the published works related to noise generation in high-lift devices only consider clean idealized geometries, whereas real aircraft wings contain important parts called the slat...
An effective long-wavelength fluorescent sensor for Cu2+ based on dibenzylidenehydrazine-bridged biphenylacrylonitrile
- Although numerous fluorescence sensors for Cu2+ have been presented, a long-wavelength sensor in aqueous media has rarely been reported as expected due to practical application requirements. In...
Determination of trace elements in placenta by total reflection X-ray fluorescence spectrometry: effects of sampling and sample preparation
- Placental elemental composition can serve as an indicator for neonatal health. Medical studies aiming at revealing such cause-and-effect relationships or studies monitoring potential environmental...