Issue 1
Biosorption of chromium (VI+) using tamarind fruit shells in continuously mixed batch reactor
Water and wastewater reuse
The locally available tamarind fruit shells (TFS) pre-treated with 1N H3PO4 was used to remove the hexavalent chromium (Cr6+) from aqueous phase. The investigation was done by using continuously mixed batch reactor (CMBR) under room temperature. Few preliminary investigations was undertaken to...
Water Desalination Plant Fault Detection using Artificial Neural Network
Desalination
Water famine is very cruel. The desalination plant was brought in to alleviate the water shortage. A desalination plant has been set up in many places around the world. In the view of expanding worldwide need of fresh water, the usage of desalination plant becomes more common. There are more than...
Study on treatment effect assessment of heavy metal pollution in Taihu Lake Sediments Based on the rapid development of Yangtze River Delta Urban Agglomeration in China
Environmental Management and Policies
In order to explore an effective assessment method for the treatment effect of heavy metal pollution in the sediment of Taihu Lake in China, based on the research background analysis and literature review, this paper reconstructs the spatial niche suitability model and applies it to the effect...
Study on community structure and nitrogen metabolism mechanism in A2O process under different hydraulic retention time conditions at high altitude region
Water treatment
The unique high-altitude environmental factors in the Linzhi region of Tibet have not been fully investigated in terms of their impact on the microbial mechanisms of water ecology, for which we explored the response of activated sludge microorganisms to different hydraulic retention times (HRT)...
Effects of ultraviolet radiation on the community structure and metabolic pathways of A2O process in Plateau environment
Water and Wastewater Treatment
Water treatment ecosystem provides important habitats for various bacterial communities, but the response mechanism of this ecosystem under ultraviolet rays is not yet clear. For this reason, 16S rRNA gene sequencing is used to study the bacterial community structure and metabolic pathways under...
Extraction of biodiesel from wastewater using microalgae Chlorella Vulgaris
Water and Wastewater Treatment
An experimental research on production of biodiesel from lipids of chlorella vulgaris has been done through transesterification reaction process. The series of chlorella vulgaris cultures has been carried out and the optimum growth time was determined. The biodiesel synthesis is processed by two...
Factorial Design and Optimization of Date Stone as A Natural Coagulant for Organic and Heavy Metals Removal from Industrial Wastewater
Water and Wastewater Treatment
Several chemical coagulants previously utilize for wastewater treatment with significant performance in removing heavy metals and other parameters. However, their cost effective and the residual of toxic chemical precipitates that pose problems to human health and the environment. Therefore, using...
Nanoparticales in cosmetics, What we don’t know about safety and hidden risks . A mini-review
Environmental Health
Nanotechnology exemplifies advancement in the field of research and development by enhancing product efficacy through the introduction of novel solutions. In the field of cosmeceuticals, the use of nanotechnology is increasing to solve some of the limitations associated with conventional goods...
Dinitrobutylphenol Removal from aqueous Environments by Synthesized magnetic particles from walnut hard-shell ash
Water and Wastewater Treatment
Dinitrobutylphenol is a toxic and resistant pollutant that pollutes the environment by producing toxins and chemical wastewater. Present paper aims to study the efficiency of the magnetic particles of walnut hard shell ash as a cheap and bi-compatible adsorbent for the removable of DNBP from aqueous...
Spatial-temporal evolution and influencing factors of urban ecosystem resilience
Ecology, environmental change and management
Urban ecosystem resilience is a key concern in the strategy of ecological protection and high-quality development in the Yellow River Basin. This paper uses the principle of range maximization to construct an ecosystem resilience index measurement model from the four dimensions of energy, water...
Ziziphus Jujube Seeds derived Biomass as Cost-Effective Biosorbent for the removal of Cr6+ from Aqueous solutions: Isotherm and Kinetic Studies
Water and Wastewater Treatment
Biosorption of hexavalent chromium ions from the synthetic solution was performed using activated Ziziphus jujube seeds powder as an adsorbent material. A chemical synthesis process prepared the adsorbent, and various methods have evaluated its characteristics. FTIR, SEM and EDX analysis was...
Removal of Basic Fuchsin Red dye by Turmeric leaf waste biochar: Batch adsorption studies, isotherm kinetics and RSM studies
Water and Wastewater Treatment
In this study, the basic fusion dye was adsorbed from wastewater using turmeric leaf waste biochar and the experimental outcomes were fitted with isotherm and kinetics. Further, Response Surface Methodology (RSM) was also performed to analyse the concurrent interactive effects of the process...
Assessment of attributable proportion of particulate matter (PM 2.5 and PM10) to different mortalities in Lahore city, Pakistan
Urban environment and health
This study was conducted to evaluate the attributable proportion and relative risks caused by inevitable exposure of humans to particulate matter (PM2.5 and PM10). The health impacts of particulates in terms of attributable proportion were modulated using AirQ+ software. Input data related to...
Biodecolorization of Remazol Black B using Biochar produced from Coconut Shell: Batch, Desorption, Isotherm and Kinetic Studies
Water and Wastewater Treatment
The coconut shell-derived biochar was employed in this study to remediate Remazol Black B from aqueous solutions. For efficient dye remediation, preliminary batch investigations focused on adjusting temperature, biochar dosage, initial dye concentration, and pH. The results shown that dosage of...
Geostability of Dewatered Sludge as Landfill Cover Material
Solid Waste Management
Dewatered sludge is the main by-product from wastewater treatment and it contains various types of hazardous substances which can cause environmental pollution. The alternative utilization of sludge waste is for covering the landfill or as liner for the landfill. Landfill cover is a critical...
Investigation of Copper Ion adsorption using Activated Sawdust Powder: Isotherm, Kinetic and Thermodynamic studies
Water and Wastewater Treatment
The batch adsorption technique investigated the efficiency of sawdust adsorbent for removing copper ions from synthetic solutions. A chemical synthesis process prepared the activated sawdust powder, and its surface area and pore volume were obtained by BET isotherm analysis. The ability of copper...
Batch and Packed Bed Column Studies of Azo Dyes Adsorption from the Aqueous Solutions Using Activated Sugarcane Bagasse Charcoal Adsorbent: Isotherm and Kinetic Studies
Water and Wastewater Treatment
Biosorption of azo dyes (RO-16, RB-120 & RB-19) from the aqueous solutions was investigated using the activated sugarcane bagasse charcoal adsorbent. The characteristics of the prepared adsorbent were analyzed by SEM, EDX, FTIR, XRD, TG & DT analysis, and the BET surface area of the sugarcane...
Studies on Influence of Process Parameters in Upgradation of Bio-oil Derived from HTL of Domestic household waste: Application of Response Surface Methodology
Biowaste
This research focuses on hydrothermal gasification (HTG) and hydrothermal liquefaction (HTL) studies to produce bio-hydrogen from domestic mixed waste. HTG and HTL studies were studied at temperatures of 300–450°C and 300–400°C, correspondingly, with a catalyst level of 6 wt %. The sol-gel technique...
Batch and column studies on removal of eriochrome black T dye by microalgae biochar
Water and Wastewater Treatment
In this study, Chlorella vulgaris microalgae was cultivated from wastewater and converted into biochar through hydrothermal carbonization process. Acclimatization of microalgae resulted in a greater biomass yield of 4.1 g/L in 15 days in a Fog's medium to wastewater ratio of 20:80. Microalgae...
Life Cycle Energy and Carbon Analysis of Commercial and Residential Buildings in India
Life cycle analysis (LCA)
Throughout the various stages of the life cycle of a building, a significant amount of CO2 is released into the atmosphere: in the production of goods and materials, the construction of the building itself, the preparation of the site, the exploitation, the repairs, the subsequent rehabilitations...