Economía Circular

Economía Circular

Life cycle assessment and multi-index performance evaluation of semi-flexible pavement after composite modification by using fly ash, rubber particles, warm mixing asphalt and recycled asphalt pavement
18/01/2023 - Semi-flexible pavement (SFP) has excellent potential to improve pavement performance and durability. This study aims to reduce energy consumption and emissions in the whole life cycle of SFP based...
Unveiling electrical anisotropy of hierarchical pyrolytic biocarbons from wood cellulose
07/12/2022 - Abstract Hierarchical organization and structuring in multi-scale of natural materials and their derived products tune their mechanical behavior, chemical resistance, transport of...
Recycling Old Concrete as Waste Concrete Powder for Use in Pervious Concrete: Effects on Permeability, Strength and Eco-Friendliness
08/12/2022 - The fine portion of crushed old concrete is difficult to be recycled for use in new concrete because it contains old cement paste, which generally has high porosity and low strength. Hence, in...
In Situ Growth of Dopamine on QCM for Humidity Detection
08/12/2022 - Polydopamine (PDA) films were successfully prepared on quartz crystal microbalance (QCM) by in-situ growth method, and the obtained QCM sensor was used for humidity detection. Fourier transform...
The Effect of Multi-Walled Carbon Nanotubes on the Compressive Strength of Cement Mortars
08/12/2022 - In this work, multi-walled carbon nanotubes (MWCNTs) have been synthesized using a modified method of solid-phase pyrolysis. The MWCNTs are effectively dispersed using a simple and facile method such...
Evaluating Rutting Resistance of Rejuvenated Recycled Hot-Mix Asphalt Mixtures Using Different Types of Recycling Agents
08/12/2022 - Growing environmental pollution worldwide is mostly caused by the accumulation of different types of liquid and solid wastes. Therefore, policies in developed countries seek to support the concept of...
All-in-One Process for Mass Production of Membrane-Type Carbon Aerogel Electrodes for Solid-State Rechargeable Zinc-Air Batteries
- This study presents a mass-production process for conductive carbon membrane-type sponge electrodes derived from recyclable cellulose biowaste. It includes an all-in-one hydrogel fabrication process...
Toward the Decarbonization of Plastic: Monopolymer Blend of Virgin and Recycled Bio-Based, Biodegradable Polymer
08/12/2022 - Decarbonization of plastics is based on two main pillars: bio-based polymers and recycling. Mechanical recycling of biodegradable polymers could improve the social, economic and environmental impact...
Boronic ester-based vitrimeric methylvinyl silicone elastomer with “solid-liquid” feature and rate-dependent mechanical performance
16/01/2023 - Vitrimer chemistry can integrate reprocessability, recyclability, self-healing and good creep-resistance into polymers through covalent adaptive network structure. In particular, reactive...
Plasma-assisted ammonia synthesis over Ni/LaOF: Dual active centers consisting of oxygen vacancies and Ni
- Ammonia (NH3) is one of the most important chemicals and can also be used as an energy storage carrier. The catalytic synthesis of ammonia coupled with plasma can be achieved under mild...
Nanosized belite phases obtained by flame spray pyrolysis: Assessment of process conditions on the mineralogy and reactivity
- The synthesis of highly reactive dicalcium silicate phases by the alternative method flame spray pyrolysis (FSP) was investigated. Five main conditions of the synthesis process were varied and...
Approaches for filtrate utilization from synthetic gypsum production
07/12/2022 - Waste recycling and industrial wastewater treatment have always been of interest. A green approach was developed for the filtrate of synthetic gypsum production from water treatment coagulation...
Preparation of a magnetocaloric dual-response SiO2-based green nano-emulsifier by an SET-LRP method and evaluation of its properties
- In recent years, intelligent nano-emulsifiers have received extensive attention in various fields. In this study, core–shell–shell nanoparticles (Fe3O4@SiO2@PNIPAM) showing magnetic and...
Influence of cellulose ultrastructure on the catalytic pyrolysis for selective production of levoglucosenone
- This study was dedicated to enhancing the generation of levoglucosenone (LGO) from catalytic pyrolysis of cellulose by optimizing its ultrastructure. Cellulose was pretreated by Na2CO3 solutions...
Overview of enhancing biological treatment of coal chemical wastewater: New strategies and future directions
- Coal chemical wastewater (CCW) is a type of refractory industrial wastewater, and its treatment has become the main bottleneck restricting the sustainable development of novel coal chemical...
Properties of Recycled Nanomaterials and Their Effect on Biological Activity and Yield of Canola in Degraded Soils
07/12/2022 - Recycling waste, such as rice straw and water treatment residuals, is important to reduce harmful effects on the environment and to improve canola yield and soil quality in degraded soils....
Recycling Nutrients Contained in Biomass Bottom Ash from Industrial Waste to Enhance the Fertility of an Amazonian Acidic Soil
07/12/2022 - The present study aimed to evaluate the effects of recycling ash from Amazonian biomass on the fertility of a dystrophic Yellow Latosol. For this purpose, a laboratory incubation experiment was...
Bonding of Carbon Steel Bars in Concrete Produced with Recycled Aggregates: A Systematic Review of the Literature
- Civil construction is essential for the world economy and the largest generator of construction and demolition waste (CDW), mainly due to a lack of planning, technological control, and restoration...
Composition Optimisation of Selected Waste Polymer-Modified Bitumen
07/12/2022 - Waste plastomer disposal is currently a major challenge facing modern economies. This article reports on a study and analysis regarding the implementation of plastomers into bitumen, with a special...
Morphological Analysis of Poly(4,4′-oxydiphenylene-pyromellitimide)-Based Organic Solvent Nanofiltration Membranes Formed by the Solution Method
- Poly-(4,4′-oxydiphenylene) pyromellitimide or Kapton is the most widely available polyimide with high chemical and thermal stability. It has great prospects for use as a membrane...
Solid-State Synthesis of Cobalt/NCS Electrocatalyst for Oxygen Reduction Reaction in Dual Chamber Microbial Fuel Cells
07/12/2022 - Due to the high cost of presently utilized Pt/C catalysts, a quick and sustainable synthesis of electrocatalysts made of cost-effective and earth-abundant metals is urgently needed. In this work, we...