Circular Economy

 

Circular Economy

AuNP/MIL?88B?NH2 Nanocomposite for the Valorization of Nitroarene by Green Catalytic Hydrogenation
17/04/2024 - This work presents the in?situ formation of small gold nanoparticles inside the iron carboxylate metal organic framework MIL?88B?NH2. The resulting nanocomposite was tested in the hydrogenation of...
Reliable sustainable management strategies for flare gas recovery: technical, environmental, modeling, and economic assessment: a comprehensive review
09/04/2024 - The gas flaring network is an inseparable constituent commonly present in most of the oil and gas refineries and petrochemical facilities conferring reliable operational parameters. The improper...
Optimizing Rebar Consumption and Cutting Waste in Column Reinforcement: Integrated Mechanical Couplers and a Special-Length-Priority Minimization Algorithm
20/01/2024 - The construction of reinforced concrete (RC) structures inevitably consumes an excessive number of rebars, leading to significant cutting waste and carbon emissions. Extensive research has been...
Eco-Friendly Cerium–Cobalt Counter-Doped Bi2Se3 Nanoparticulate Semiconductor: Synergistic Doping Effect for Enhanced Thermoelectric Generation
10/10/2023 - Metal chalcogenides are primarily used for thermoelectric applications due to their enormous potential to convert waste heat into valuable energy. Several studies focused on single or dual aliovalent...
Use of different food wastes as green biosorbent: isotherm, kinetic, and thermodynamic studies of Pb2+
09/09/2023 - Lead (Pb2+) can contaminate waters from many sources, especially industrial activities. This heavy metal is an amphoteric, toxic, endocrine-disrupting, bioaccumulative, and carcinogenic pollutant....
Reducing Rebar Cutting Waste and Rebar Usage of Beams: A Two-Stage Optimization Algorithm
07/09/2023 - While various approaches have been developed to minimize rebar cutting waste, such as optimizing cutting patterns and the lap splice position, reducing rebar usage by minimizing the number of splices...
Biodegradable and flexible fiber?reinforced composite sheet from tannery solid wastes: An approach of waste minimization
09/08/2023 - The rising concern towards environmental issues and non?recyclable solid wastes preservation needs has led to the development of high?performance biodegradable composite materials with new...
Ecodesign approach for plastic minimization in shampoo bottles
15/06/2023 - Key findingsPlastic amount in shampoo bottles could be reduced by at least 30%.Simplest bottle shape is the most adequate from the ecodesign approach.Plastic waste minimization is favoured by...
Competencies Driving Waste Minimization during the Construction Phase of Buildings
06/04/2023 - It is thought that there is a low level of awareness of key competencies that drive material waste reduction at the construction stage of a project which has led to the low impact of waste...
Sewage Sludge Management and Application in the Form of Sustainable Fertilizer
01/04/2023 - One of the most pressing environmental problems worldwide is sewage sludge (SS) management. Every year, wastewater volume increases and thus, the amount of SS produced increases as well. The disposal...
New insights in food security and environmental sustainability through waste food management
29/03/2023 - Food waste has been identified as one of the major factors that constitute numerous anthropogenic activities, especially in developing countries. There is a growing problem with food waste that...
Sustainable and Bio-Based Food Packaging: A Review on Past and Current Design Innovations
02/03/2023 - Food loss and waste occur for many reasons, from crop processing to household leftovers. Even though some waste generation is unavoidable, a considerable amount is due to supply chain inefficiencies...
New photoinitiators derived from PET waste: Molecular simulations and photocatalytic efficiency
06/01/2023 - Abstract Poly (ethylene terephthalate) has versatile commercial applications and after the use of PET products, a huge amount of waste is created all around. Chemical recycling...
Removal of Co(II) from aqueous solutions with amino acid-modified hydrophilic metal-organic frameworks
01/03/2023 - Adsorbents capable of rapidly and efficiently adsorbing specific metal ions in solution are critical in emergency disposal and waste minimization of radioactive effluents. A microporous zeolitic...
Polyethylene (PE) Waste Minimization Study of Cement Mortar with Adding PE Content under Different W/B Ratios
02/12/2022 - Wastes can be effectively used in concrete and the characteristics of concrete can be maintained or enhanced, the economy of waste management can be greatly increased, and the pollution of the earth...
Technical, Environmental, and Process Safety Assessment of Acetone-Butanol-Ethanol Fermentation of Cassava Residues
04/12/2022 - The North-Colombian region has enormous potential for producing bioproducts and bioenergy from agricultural residues. Yet, scaling bioproducts and bioenergy to industrial practice requires further...
Sustainable Lightweight Concrete Made of Cement Kiln Dust and Liquefied Polystyrene Foam Improved with Other Waste Additives
18/11/2022 - The main objective of this study is to mix two problematic wastes, cement kiln dust (CKD) and polystyrene waste liquified by gasoline, to produce a new lightweight cementitious material, as a green...
Effects of Heating Rate and Temperature on the Thermal Pyrolysis of Expanded Polystyrene Post-Industrial Waste
16/11/2022 - The use of plastic as material in various applications has been essential in the evolution of the technology industry and human society since 1950. Therefore, their production and waste generation...
Comprehensive Life Cycle Assessment Analysis of an Italian Composting Facility concerning Environmental Footprint Minimization and Renewable Energy Integration
11/11/2022 - The present paper aims to investigate the environmental impacts of a real municipal solid waste management facility operating in Italy including two power units, i.e., a combined heat and power...
Process Scale?Up of an Energy?Efficient Membrane Solvent Extraction Process for Rare Earth Recycling from Electronic Wastes
05/07/2022 - Energy?efficient and cost?effective rare earth separations using membrane solvent extraction. Separation and recovery of high purity rare earth oxides from a wide range of end?of?life scrap permanent...
Extraction of cellulose nanocrystals from red banana peduncle agro?waste and application in environmentally friendly biocomposite film
20/05/2022 - The agricultural waste dumped onto the land is creating an environmental problem. The conversion of those easily available agro?wastes into value?added nano reinforcement materials for biopolymers is...