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Circular economy

Circular economy

Enhancing Concrete Durability: Sustainable Ternary Blends Incorporating Agricultural and Industrial Wastes

by Venkata Rao M. Sivagamasundari R. Subrahmanyam Raju A.

Solid Waste Management

The demand for sustainable concrete in civil infrastructure operations grows by the day, resulting in the use of agricultural and industrial byproducts and controlling high-cost nanomaterials. Ternary blended concrete is an excellent alternative to conventional concrete for long-term development by...

Nano-SiO2 Durability +2 more

Boosting biodiesel production from waste vegetable oil water using Acid-Base Sequential Catalysis

by Chinedu N.B. Nkwoada A.U. Opara A.I.

Biowaste

The use of active and recyclable catalysts is advantageous for catalytic biodiesel synthesis from waste vegetable oils which is in demand owing to frequent calls on environmental pollution and for clean renewable energy production. For this study, homogenous catalysts are effective at converting...

Biodiesel Transesterification +3 more

A Silica Nano-Additive's Impact on the Performance and Emissions of a Diesel Engine Using DTBP Blended Low Viscous Waste Orange Peel Oil

by Banerji C. Roji S.S.S. Kannan T.R. Kanthavelkumaran N.

Biowaste

In the current study, the effect of silicon dioxide (SiO2) nano-additive mixed with Orange peel oil (OPO) as Biodiesel was investigated in relation to the operation and emission characteristics of a diesel engine. Orange peel oil was extracted from the orange Peel waste by using steam distillation...

Orange Peel Oil DTBP Enhancer +3 more

Perceptions of Environmental Sustainability and Luxury: Influences on Organic Food Buying Behavior among Millennials and Generation Z in Greece

by Skordoulis M. Panagiotakopoulou K. Manolis D. Papagrigoriou A. Kalantonis P.

Ecology, environmental change and management

The generational cohorts known as Millennials and Generation Z exhibit distinct behaviors and attitudes, differing significantly from older generations in various aspects including environmental perceptions and purchasing behaviors. Notably, organic foods are sometimes associated with luxury, as...

organic foods luxury foods +6 more

Environment friendly sustainable concrete produced from marble waste powder

by Rajesh A. Prasanthni P. Senthilkumar S. Priya B.

Environmental Management and Policies

Concrete is an indispensable construction material renowned for its versatility and durability, yet its traditional components pose significant environmental challenges. The cement industry is a major emitter of CO2, while the extensive extraction of natural aggregates depletes finite resources. In...

MWP Marble Waste Powder +5 more

Structural Performance of Cinder Aggregate Lightweight Concrete Beams with Micro-reinforcement

by

K. Sadhana et al. View all

Solid Waste Management

Conventional concrete is heavy which contributes to more dead load, resulting in higher cost of construction, more labour, difficulty in transportation of materials and so on. These impediments can be reduced by using lightweight concrete instead of the conventional concrete. In this study, an...

Cinder aggregate Deformation characteristics +4 more

Research on Regulatory Strategies of Green Finance and Optimization of Corporate Green Behavior under the Framework of Circular Economy

by

Xue Lei et al. View all

Circular economy

The green finance market, as an integral part of the circular economy, significantly influences environmental protection and sustainable development. This study explores regulatory issues concerning corporate "greenwashing" behavior in this market, aiming to devise effective regulatory strategies to...

Green Finance Corporate Green Behavior +3 more

Enhancing the Interface of Cement-paste Composite by Dispersing Sustainable Nano-Carbon Pyrolytic Char with Silica fume: A Sustainable and Effective approach

by

S. Elavenil et al. View all

General

Discrete studies are performed on the reuse of end-of-life tires in the construction industry as their accumulation is a global concern to the environment. In consequence, the desired focus of this work is to understand the interaction of powder derived from recycling process of tire waste which yet...

End-of-life tires Pyrolysis treatment +4 more

Synthesis characterization and sorption properties of nanoscale zero valent iron using red mud as the iron source: cadmium removal from spiked aqueous solutions

by

Despina Pentari et al. View all

Circular economy

The aim of the present study was to synthesize a sorbent material, nanoscale zero valent iron (n ZVI), using red mud as the iron source in the framework of circular economy. The sorbent synthesized was tested for Cd removal from spiked aqueous solutions. For the synthesis of the sorbent, iron...

Nano Zero Valent Iron red mud +5 more

Production of nanocellulose from lignocellulosic biomass and its potential applications: A review

by

Allah Ditta et al. View all

Nanomaterials in the environment: applications and effects

Lignocellulosic biomass is a complex natural polymer primarily composed of cellulose, hemicellulose, lignin, and various other chemical components. The cellulose in the lignocellulosic biomass can depolymerize into a nano-dimension biomaterial called nanocellulose, which possesses unique features...

lignocellulosic biomass Cellulose +3 more

Sustainable approach of utilization of limestone and treated construction wastes as aggregates in the production of high temperature resistant green concrete

by

Loganathan S et al. View all

Solid Waste Management

Natural gravel used as aggregates in the construction had a severe impact on the environment leading to scarcity in recent times. Furthermore, the resistance of such natural aggregates to crack at higher temperature zones was less. This paper investigates the above concerns on scarcity and meagre...

Natural aggregate recycled aggregate +4 more

Eco-friendly road construction: Harnessing fly ash and waste marble powder for sustainable road construction using a fuzzy logic assessment

by

Shanmuganathan N. et al. View all

General

More than seventy percent of mineral gets wasted during mining and polishing processing, and all this dumped waste threatens the aquifer. Utilizing this waste in construction works helps to reduce the environmental effects. This research aims to protect the environment by implementing mineral waste...

Eco friendly construction reusing flyash +2 more

Removal of gaseous ammonia released from leachate by adsorption on carbon-based adsorbents prepared from agro-industrial wastes

by

Manuel Feliciano et al. View all

Water and Wastewater Treatment

Landfill facilities and organic waste treatment plants typically are known sources of odour pollution, such as gaseous NH3, among others. In this work, the removal of gaseous NH3 released from a composting line of a mechanical and biological treatment plant of undifferentiated municipal solid waste...

Valorisation Biomass +7 more

Experimental Investigation of Effect of Waste PET fibres on the Impact Behaviour of PET Fibre Reinforced Concrete

by

Karthikeyan S et al. View all

Solid Waste Management

Concrete, being the construction material that is extensively employed, possesses various limitations despite its adaptability in building projects. It exhibits weakness when subjected to tension, has restricted ductility, and offers minimal resistance against cracking. Concrete is widely used in...

PET fibre Concrete grade +3 more

Evolutionary game analysis of enterprises’ green production behavior in the context of China’s economic green transformation

by

Xue Lei et al. View all

Circular economy

In the context of China's critical economic transition towards sustainability, this research employs a tripartite evolutionary game model involving government, enterprises, and environmental protection social organizations to investigate the evolutionary trajectory of enterprises' green production...

environmental social organizations corporate green production +4 more

The Impact of Environmental Protection Tax Policy on the Financial Performance of Heavy Pollution Enterprises

by

Kunjian Zhao et al. View all

Circular economy

Leveraging the implementation of China's environmental protection tax (EPT) policy in 2018 as a focal point, this study employs a quasi-natural experiment via the double-difference method to investigate the EPT's impact on the financial performance (FP) of publicly listed companies in heavily...

EPT Heavy polluting enterprises +2 more

Research on high performance green concrete using nano particles and organic materials: an eco-friendly approach

by

Abiraami. R et al. View all

General

Since concrete is a fundamental component of all types of construction, many researchers are concentrating on developing High Performance Concrete (HPC) using efficient manufacturing processes. Nano silica is a quartz and silica dust this can be replaced instead of cement to achieve great strength...

Green Concrete Nano particles-Nano-silica and Delonixregia Pods +3 more

Development of sustainable masonry solid blocks by the incorporation of industrial and agro waste.

by

E.KAVITHA et al. View all

Solid Waste Management

Bricks have been extensively adopted for centuries and continue to play a vital role in the construction industry. Nevertheless of its dependable workability and accessibility, fired clay brick production has been recognized for its comparatively high energy and resource requirements. Traditional...

Carbon footprint Eco-friendly building blocks +2 more

Characterization and optimization studies of cellulose based bioplastics extracted from Musa paradisiaca L.

by

R DEVIKA et al. View all

Ecosystems and Natural Resources Management

In recent past, attentions are towards preserving and restoring the resources of environment in terms of development of new products of environmental safety, Therefore utilization of vegetable fibres, extracts from stem, leaves, fruits and roots for the production of biopolymers / improving...

Cellulose pseudostem +10 more

Visitors’ environmental attitudes and willingness to pay for nature conservation: the case of Langtang National Park in the Himalayas

by

Stamatios Ntanos et al. View all

Ecosystems and Natural Resources Management

National parks are a destination for nature-based tourism (NBT) in both the developed and developing countries. National Park visitors with pro-environmental attitudes may be more likely to support the management's conservation efforts. However, managing and funding national parks and protected...

entrance fee environmental attitudes +5 more

Inhibition impact of major active ingredients of Jordanian Peganum harmala on the corrosion rate of Cu, Fe and Al metals

by

Ghassab M. Al-Mazaideh et al. View all

General

The active components of Jordanian Peganum harmala L. (P. harmala) were investigated using both GC-MS and DFT calculations. The study focused on the methanol extract of P. harmala leaves, which was found to contain 21 significant natural components, of which 9 compounds constituted more than 2% of...

Peganum harmala GC-MS +2 more

Sustainable use of ferrochrome slag and quarry dust composites as cement-bound layers of flexible pavement

by

Ajay Chappa et al. View all

Solid Waste Management

In this study, an attempt was made to characterize ferrochrome slag as cement-bound layers of flexible pavement in view of its leaching behavior. Toxicity Characteristic Leaching Procedure (TCLP) test was conducted to assess the mobility of toxic elements in ferrochrome slag. Ferrochrome slag...

Ferrochrome slag leaching +4 more

Sustainable Treatment Approach to Dumped Construction Waste with Acids and CO2 for its Effective Re-utilization in Concrete

by

Jagan S et al. View all

Solid Waste Management

Dumping of construction wastes has become one of the serious concerns in the construction industries subsequent to the scarcity of construction materials, specifically aggregates. Extensive research works have been performed to utilize the dumped waste as aggregates, yet its substandard properties...

Recycled concrete aggregates acid treatment +4 more

Transforming waste into sustainable building materials: Properties and environmental impacts of Geopolymer concrete with recycled concrete aggregates

by

Periyasamy L et al. View all

Solid Waste Management

Industrial by-products such as cementitious materials or aggregates have the potential to mitigate the adverse environmental effects associated with traditional cement manufacture. Geopolymer Concrete (GPC) is more eco-friendly than conventional concrete because it does not require cement. GPC with...

Geopolymer concrete sustainability +3 more

Conversion of the styrofoam waste into a high-capacity and recoverable adsorbent in the removing the toxic Pb(II) from water media

by

Wahyuni et al. View all

Water and Wastewater Treatment

The sequential nitration and magnetization of waste styrofoam to form a novel adsorbent has been investigated. The novelty of this study assigned approach lies in the introduction of an anionic surface on the styrofoam, enabling it to adsorb cationic Pb2+ ion, combined with its magnetic property...

Styrofoam magnetic +5 more

Utilizing Manilkara zapota seed oil for biodiesel production and conducting an investigation into its properties and characteristics

by

Dr.N.Kanthavelkumaran et al. View all

Biowaste

Biodiesel can be derived from the oils of fruit seeds for powering diesel engines, and this study focuses on extracting biodiesel from Manilkara Zapota seeds, which are readily available and not intended for human consumption. The primary aim is to underscore the use of non-edible oils as a cost...

Ethanol fermentation +6 more

Characteristics and evolution of bioethanol from Manila Tamarind (Pithecellobium dulce) leaf through fermentation

by

Dr.N.Kanthavelkumaran et al. View all

Sustainable Energy

This study's two primary goals are to synthesize bioethanol from biowaste and examine its thermal characteristics. Bioethanol must first undergo a comprehensive assessment of its thermal characteristics in order to be approved for usage in spark-ignition engines. A multi-step procedure comprising...

Bio ethanol fermentation +4 more

Exploring the effects of eco-friendly and biodegradable biocomposite with PLA incorporating eggshell and walnut powder as fillers

by

SIVAKUMAR A et al. View all

Solid Waste Management

Composites gain utility when filler materials are incorporated. The qualities of the material are changed when filler components are added. In recent years, the use of bio-based components in polymers and polymer composites has significantly increased. Agricultural wastes are employed in this case...

Walnut powder Poly lactic acid +3 more

Utilization of cement power plant beds for aerated concrete thermal blocks

by

Swaminathan S et al. View all

Water treatment

Nowadays cement industry power plant bed wastes can be used to create aerated concrete blocks for widespread usage in the construction sector instead of sand. The optimum materials for building enclosures for a variety of uses include aerated concretes. To enhance the physical and mechanical...

Non-Autoclaved Aerated Concrete Bed Material wastes +4 more

Investigation on Tensile and Flexural Behaviour of Fibre Reinforced Concrete Using Artificial Neural Network

by

A.Dhanalakshmi et al. View all

Solid Waste Management

The purpose of this study is to investigate the impact that using marble sludge powder as a partial replacement for cement in concrete can have. Experiments were conducted to investigate a variety of characteristics of fiber-reinforced concrete using both fresh concrete and concrete that had been...

Fibre Reinforced Concrete Polypropylene 3s +1 more

Enhancing Solid Waste Sustainability with Iroko Wooden Sawdust and African Oil Bean Shell Particle-Strengthened Epoxy Composites

by

K Manickaraj et al. View all

Solid Waste Management

Bio-composite materials are gaining traction in various industries as sustainable alternatives to synthetic fiber-reinforced composites. This study investigated the impact of fine powders loading on the tensile, transverse, and compressive characteristics of hybrid composites composed of Iroko...

Oil bean shell sawdust +3 more

Effectiveness of corn stalk biochar in amending the contaminated soil attributes and enhancing the sustainable grass growth

by

Ditta A. et al. View all

Environmental Management and Policies

It is important to rapidly amend the hostile rural soil fertility and quality to develop green land verdure. In this research, cornstalk-derived biochar was added (sequence proportions 0, 1, 5, 10, 20, and 50 % in the mass ratio) into hostile rural soil and then the grass was grown in the pots. The...

Biochar Corn Stalk +3 more

Influence of Utilizing Prosopis Juliflora Ash as Cement on Mechanical Properties of Cement Mortar and Concrete

by

Karthikeyan Ganesan et al. View all

Ecology, environmental change and management

The infrastructure of the country heavily depends on the construction material concrete. The primary ingredient in conventional concrete is cement, fly ash, or another cementitious substance. The need to explore alternative sources is driven by the challenges posed by global environmental warming...

Prosopis Juliflora Ash Mechanical Properties +3 more

Effect of coconut shell ash as an additive on the properties of green concrete

by

S. Shanmuga Priya et al. View all

Solid Waste Management

Concrete is the broadly adopted composite material in the construction arena. The growing need for cost-effective housing is resulting in the depletion of environmental resources such as river sand and gravel, which are essential components in the manufacture of concrete. However, the manufacturing...

coconut shell ash Green Concrete +3 more