Circular Economy
Circular Economy
Monomer Recycling and Repolymerization of Post?Consumer Polyester Textiles
01/06/2023 -
Post?consumer polyester textiles were depolymerized in a continuous alkaline hydrolysis in a twin?screw extruder. The resulting monomers terephthalic acid and ethylene glycol were polymerized to food...
The characteristics and resource utilization of chromium-containing electroplating sludge
05/06/2023 -
Chromium (Cr)-containing electroplating sludge is a hazardous solid waste and has a detrimental effect on human health and the environment. The existing mainstream methods still have problems such...
Short-term impact of poultry biochar amendments to stimulate antioxidant enzyme activity of wheat (Triticum aestivum L. HD-2967) in response to greywater
05/06/2023 -
The present study was designed to test the hypothesis that poultry manure and biochar-amended soil alter the antioxidant enzyme activity of T. aestivum L. HD-2967. For this, a box experiment was...
The impact of economic growth, tourism, natural resources, technological innovation on carbon dioxide emission: evidence from BRICS countries
05/06/2023 -
The main objective of this manuscript was to investigate the relationships among economic development, tourism, the use of natural resources, technical advancement, and carbon dioxide emissions in...
Green deep?UV photoresist based on chitosan for microelectronics
03/06/2023 -
Spherical phenol?formaldehyde resin (PF) beads were prepared by a two?stage suspension polymerization reaction from phenol?liquefied wood. The average diameter of spherical PF beads decreased with...
High?performance flexible piezoelectric nanogenerator with folded structure based on CNTs?modified BC?ZT/P(VDF?HFP) composite film
02/06/2023 -
The solubility of PEEK was improved after the sulfonation process. This enabled the evaluation of the molar mass distribution of the sulfonated PEEK (SPEEK) with SEC at 30°C in three polar solvents...
Preparation of high?performance polyurethane elastomers via direct use of alcoholyzed waste PET by high molecular weight polyester diols
01/06/2023 -
AbstractNitrile rubber is a widely used rubber, so its basic mechanical properties are very important. In order to improve the mechanical properties of nitrile butadiene rubber (NBR), Mg?Al...
Systematic evaluation of a sustainable plasticizer derived from coconut shell bio-waste in a reinforced styrene butadiene copolymer system
02/06/2023 -
Abstract The utilization of copiously available bio-waste significantly contributes to sustainable development and solid waste management. In the present study, the pyrolytic...
Research on the Technologies of the Compressor Remanufacturing Process
02/06/2023 -
This study describes the remanufacturing process scheme and key technologies of waste compressors. Firstly, the technical characteristics of compressors for home appliances such as refrigerators and...
Influence of Waste Filler on the Mechanical Properties and Microstructure of Epoxy Mortar
05/06/2023 -
This paper presents experimental investigations on epoxy mortar produced using industrial wastes. In some recent studies, coal bottom ash and polyethylene terephthalate (PET) waste have been chosen...
Sustainable Supercapacitors Based on Polypyrrole-Doped Activated Biochar from Wood Waste Electrodes
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The synthesis of high-performance carbon-based materials from biomass residues for electrodes has been considered a challenge to achieve in supercapacitor-based production. In this work, activated...
Sorghum Flour Features Related to Dry Heat Treatment and Milling
02/06/2023 -
Heat treatment of sorghum kernels has the potential to improve their nutritional properties. The goal of this study was to assess the impact of dry heat treatment at two temperatures (121 and 140...
The Effect of Preconditioning Temperature on Gas Permeability of Alkali-Activated Concretes
02/06/2023 -
Alkali-activated materials (AAM) are binders that are considered an eco-friendly alternative to conventional binders based on Portland cement. The utilization of industrial wastes such as fly ash...
Plate Load Tests of Soft Foundations Reinforced by Soilbags with Solid Wastes for Wind Farms
03/06/2023 -
Soilbags are expandable three-dimensional geosynthetic bags made from high-density polyethylene or polypropylene. This study conducted a series of plate load tests to explore the bearing capacity of...
Study on Alkali-Activated Prefabricated Building Recycled Concrete Powder for Foamed Lightweight Soils
02/06/2023 -
The advantage of a prefabricated building is its ease of construction. Concrete is one of the essential components of prefabricated buildings. A large amount of waste concrete from prefabricated...
A Facile and Eco-Friendly Hydrothermal Synthesis of High Tetragonal Barium Titanate with Uniform and Controllable Particle Size
05/06/2023 -
The preparation of tetragonal barium titanate (BT) powders with uniform and suitable particle sizes is a significant prerequisite for ultra-thin and highly integrated multilayer ceramic capacitors...
Evaluation of the Mechanical, Thermal and Rheological Properties of Hop, Hemp and Wood Fiber Plastic Composites
05/06/2023 -
The aim of this study was to evaluate the use of waste natural fibers from milled hop bines and hemp stalks, without chemical treatment, and compare them to a commercial wood fiber for use in...
Novel Electrospun Composite Membranes Based on Polyhydroxybutyrate and Poly(vinyl formate) Loaded with Protonated Montmorillonite for Organic Dye Removal: Kinetic and Isotherm Studies
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The use of biodegradable polyesters derived from green sources and their combination with natural abundantly layered aluminosilicate clay, e.g., natural montmorillonite, meets the requirements for...
Evaluating the Effect of Iron(III) in the Preparation of a Conductive Porous Composite Using a Biomass Waste-Based Starch Template
02/06/2023 -
In this work, the effect of iron(III) in the preparation of a conductive porous composite using a biomass waste-based starch template was evaluated. Biopolymers are obtained from natural sources, for...
Argon Plasma Jet-Treated Poly (Vinyl Alcohol)/Chitosan and PEG 400 Plus Mangifera indica Leaf Extract for Electrospun Nanofiber Membranes: In Vitro Study
02/06/2023 -
The wound-healing process can be disrupted at any stage due to various internal and external factors. The inflammatory stage of the process plays a vital role in determining the outcome of the wound....
Stability Studies, Biodegradation Tests, and Mechanical Properties of Sodium Alginate and Gellan Gum Beads Containing Surfactant
02/06/2023 -
The excessive presence of single-use plastics is rapidly degrading our natural environment on a global scale due to their inherent resistance to decomposition. Wet wipes used for personal or...
