| Global NEST Journal

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

by

Abiraami. R et al. View all

Issue 4

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

Potential risk assessment of respiratory exposure to heavy metals in the air dust for the metropolitans of Khuzestan Province, Iran

by

Khoshnaz Payandeh et al. View all

Issue 2

Air pollution and health

The present study aimed to compare the concentration of 14 metals in the air of 4 cities of Khuzestan province (Ahvaz, Dezful, Mahshahr, and Abadan) in dusty and non-dustynon-dustyy conditions, and determine risk and non-carcinogenic risk in a six-month period from 2017 to 2018 (autumn, winter, and...

Risk assessment Respiration exposure +4 more

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

by

E.KAVITHA et al. View all

Issue 3

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

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

by

Ajay Chappa et al. View all

Issue 3

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

Utilization of cement power plant beds for aerated concrete thermal blocks

by

Swaminathan S et al. View all

Issue 2

Water and wastewater treatment and reuse

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

Analysis and Assessment of Gaseous Pollutants along High Traffic Roads (NH 948) in Coimbatore City, India

by

Shivaranjani S K et al. View all

Issue 10

Air pollution and health

The growing Urbanization, Industrialization, Institutional, and IT sector development contribute to the exponential growth of motorized road transportation increasing the composition of harmful gaseous pollutants in ambient air. So, it is necessary to analyze and quantify the concentration of...

Air Quality Index Coimbatore +3 more

Effective Utilization of Industrial and Constructional Solid Waste Materials in Foundry Mould Making to Prevent Environment Pollution and Conserve Natural Silica Sand

by

Prabhushankar Nachimuthu et al. View all

Issue 8

Solid Waste Management

Green sand moulding uses silica sand for metal casting. Silica sand mining and delivery to foundries destroy the ecosystem, making metal casting unsustainable. Due to increased sand-casting output and massive civil buildings in India, the silica sand supply is declining. The depletion and shortage...

Quarry dust Cupola slag +4 more

Utilization of nanomaterials and ceramic waste for sustainable environmental protection

by

Gokulan R et al. View all

Issue 8

Solid Waste Management

The amount and type of waste are increasing due to population growth. Many harmful materials have been in the atmosphere for a very long times. This causes a crisis in the waste disposal and thereby contributes to environmental issues. Recycling concrete manufacturing waste materials not only offers...

Ceramic waste Nano-alumina +3 more

Airborne Dust and Associated Metals: A Link between its impact and sink rate within different roadside plants

by

Rahul M M C et al. View all

Issue 4

Air pollution and health

Transportation driven by fossil fuels increases air pollution induced by urbanisation. Heavy metals such as Cadmium (Cd), Chromium (Cr), Copper (Cu), Iron (Fe), Lead (Pb), and Zinc (Zn) are life-threatening elements and their concentration is increasing alarmingly in soil in various countries. Air...

air pollution Heavy metal +4 more

Preliminary Research on Removal of Organic Substances Contained in Wastewater from Plastic Lenses Production

by

Katarzyna Umiejewska et al. View all

Issue 2

Water and wastewater treatment and reuse

250 million people worldwide suffer from visual impairment. 64% of them wear glasses. More than 80 percent of all eyeglasses worn today have plastic lenses. Plastic lenses made of polycarbonate discs are created through the process of machining which requires the use of a coolant. The ensuing...

COD industrial wastewater treatment +3 more

Eco-friendly filtration of Nickel from the Sludge during Electrochemical Machining of Monel 400 Alloys

by

VENGATAJALAPATHI NAGARAJAN et al. View all

Issue 2

Air pollution and health

Electrochemical Machiningplayed a vital role in the aircraft, atomic, and healthcare industries via electrochemical machining (ECM). Even with difficult-to-machine materials. ECM has generally preferred to machine Nickel-based alloys compared to other non-conventional and conventional machining...

EECM Eco-friendly Electrochemical Machining +4 more

Numerical Simulation of the Effect of Construction Dust Emission on Air Quality in Jinan, a Central City in the North China Plain

by

zhanshan wang et al. View all

Issue 1

Air pollution and health

Numerical simulation was conducted to assess the impact of dust emission on typical environmental sites in Jinan City. The CALPUFF model was applied to five simulation scenarios. The results showed that dust emission had a significant impact on air quality in Jinan. The impact of dust emission on...

Jinan Construction dust +3 more

Aeolian Dust Inputs in the Mediterranean and Black Sea Marine System

by

Vasileios Kotinas et al. View all

Issue 2

Environmental management and policy

The aim of this paper is to estimate the amount of aeolian dust, deposited by dry and wet processes, that is deposited to the eleven marine regions of the Mediterranean-Black Sea Marine System (MBMS) and to compare it to the riverine influxes (i.e. suspended and dissolved sediment loads). This...

Marine Regions Sahara dust +2 more

Comparison of supercritical fluid extraction and thermal desorption methods for analysing organic compounds in house-dust

by

Athanasios Papadopoulos et al. View all

Issue 4

Air pollution and health

This study has been focused on the comparison of the application of Thermal Desorption (TD) and Supercritical Fluid Extraction (SFE) methods for the identification and quantification of organic chemicals in house dust samples. To investigate how the results obtained by SFE and TD of house dust...

SFE CO2 +3 more

Positive matrix factorization on elemental concentrations of PM10 samples collected in areas within, proximal and far from mining and power station operations in Greece.

by

Dr. Stylianos Garas et al. View all

Issue 1

Air pollution and health

The identification of PM sources and their contribution to measured PM concentrations is crucial for the environmental policy making since the findings be able to conduce to the development of relevant legislation in order to achieve effective air quality manage. In this study, the sources of PM10...

PM10 elemental concentrations +2 more

Review on Treatment of Acid Mine Drainage with Waste Materials: A Novel Approach

by

Alok Sinha et al. View all

Issue 3

Water and wastewater treatment and reuse

The present study systematically and comprehensively reviewed different aspects of treating Acid Mine Drainage (AMD) with active treatment and waste materials. The work also critically reviews the status and the factors associated with the treatment process. Although, conventional active methods are...

Acid Mine Drainage Active Treatment +4 more

Concentrations and potential risk assessment of polycyclic aromatic hydrocarbons (PAHs) from indoor dust of Bushehr, Iran

by

Seyed Enayat Hashemi et al. View all

Issue 3

Hazardous Substances and Risk Analysis

Indoor dust samples were collected in the summer of 2017 from 10 residential buildings, 7 commercial buildings and 7 official buildings of Bushehr. Sixteen polycyclic aromatic hydrocarbons (PAHs) were analyzed by GC–MS. The sum concentration of the 16 PAHs in dust spanned between 87.8 to 14619 mgkg...

Polycyclic aromatic hydrocarbons Indoor dust +2 more

Assessment and Modelling of Dust Concentration in an Opencast Coal mine in India.

by

Tushar Ranjan Dash et al. View all

Issue 4

Air pollution and health

Dust pollution is a major problem in opencast mines. Many activities are associated with generation of dust that makes a cloud of pollutant at the work environment and the surrounding areas. Activities as drilling, blasting, transportation, surface miner etc. are the principle sources of generation...

Dust DustTrakII +3 more

Optimization study of dye removal by cement kiln dust using the central composite design of experiments

by

Semra Çoruh et al. View all

Issue 1

Water and wastewater treatment and reuse

Designed experiments are used to systematically examine the relationship between response variable and a set of experimental factors. In this study, 2 3 factorial design with center points was used to verify the selected experimental factors influence the removal efficiency and linearity assumption...

Malachite green Adsorption +2 more

Future primary teachers’ knowledge and understanding of environmental quality issues – a questionnaire survey

by

Papanastasiou D.K. et al. View all

Issue 5

General

This paper aims to investigate students’ awareness regarding the factors that affect the environmental quality in university classrooms. For this purpose a questionnaire survey was conducted, in which 314 undergraduate students of the School of Primary Education, Aristotle University of Thessaloniki...

Indoor thermal comfort Indoor air quality +2 more

Preliminary study of the effect of using biosorbents on the pollution of the treated water

by

Hossam Altaher et al. View all

Issue 4

Water and wastewater treatment and reuse

Several adsorbents have been tried out by researchers to remove different pollutants from wastewater. However, the adverse effect of these biosorbents on the treated water and the possibility of leaching new pollutants to the treated water have not been investigated. A batch technique was employed...

Adsorption Date Stones +5 more

Prediction of adsorption efficiency for the removal malachite green and acid blue 161 dyes by marble sludge dust using ANN

by

semra çoruh et al. View all

Issue 4

Water and wastewater treatment and reuse

In the present study, batch adsorption studies were performed for the removal of malachite green and acid blue 161 dyes from aqueous solutions by varying parameters such as contact time, waste marble dust amount, initial dye concentration and temperature. The equilibrium adsorption data were...

Marble sludge dust Adsorption +3 more

Comparison of methylene blue adsorption from aqueous solution using spent tea dust and raw coir pith

by

R. Gandhimathi et al. View all

Issue 1

Pollution Control Technology

The purpose of the present work is to test the possibility of using the spent tea dust and raw coir pith for the removal of methylene blue (MB) from aqueous solution. The effects of the contact time, adsorbent dosage and solution pH were studied in batch experiments at 27 °C. Results showed that a...

Adsorption isotherm +4 more

Stabilization/Solidification (S/S) Pb and W Contaminated Soils using Type I/II Portland Cement, Silica Fume Cement and Cement Kiln Dust

by

Grubb D., Moon D., Reilly T., Chrysochoou M. and Dermatas D.

Issue 3

General

Stabilization/solidification (S/S) processes were utilized to immobilize lead (Pb) and tungsten (W) in contaminated soils, the inclusion of W motivated by the use of the new W-based ammunition. Artificially contaminated soils were prepared by mixing either kaolinite or montmorillonite with 10% Pb...

Study of size-segregated particle (PM1, PM2,5, PM10) concentrations over Greece

by

Koulouri E., Grivas G., Gerasopoulos E., Chaloulakou A., Mihalopoulos N. and Spyrellis N.

Issue 2

General

This study reports particulate matter levels of various size fractions (PM10, PM2.5, and PM1) and identify their controlling factors, in various locations over Greece. It combines long-term data sets involving particle concentrations as measured in the island of Crete in the Eastern Mediterranean...

PM10 PM2.5 +3 more