-
Article
Bioremediation of petroleum refinery wastewater using Bacillus subtilis IH-1 and assessment of its toxicity
Environmental contamination from petroleum refinery operations has increased due to the rapid population growth and modernization of society, necessitating urgent repair. Microbial remediation of petroleum was...
-
Article
Substantiating the water demand in anaerobic digestion using sewage: a study using Ageratum conyzoides and Parthenium hysterophorus—an Indian perspective
Anaerobic digestion (AD) is a highly beneficial technique for managing organic solid waste and generating biogas as a by-product of energy production. However, preparing slurry from organic waste requires addi...
-
Article
Open AccessCo-densification of rice straw and cow dung in different food-to-microorganism ratios for biogas production
Agricultural residues such as rice straw (RS) are desirable raw materials for biogas generation. However, the recalcitrant nature of RS hinders biogas production, and its low bulk density increases storage spa...
-
Article
Insights into the bioconversion of Ageratum conyzoides into a nutrient-rich compost and its toxicity assessment: nutritional and quality assessment through instrumental analysis
Ageratum conyzoides is an intrusive terrestrial waste spread worldwide and adversely impacting neighboring cultivated crops by replacing them. This study aims in producing a value-added and non-toxic product by b...
-
Chapter and Conference Paper
An Investigation into the Scale Shift of an Efficient Biodegradation Practice from Batch to Pilot Scale Continuous Feeding Mode
A significant challenge for cities is dealing with the increasing amounts of organic waste they produce. Municipal organizations have been compelled to establish innovative and effective systems for managing t...
-
Article
Bioconversion of Lantana camara into an agricultural bioproduct through rotary drum composter
Lantana camara, a terrestrial plant species, exhibits invasive characteristics and poses a significant threat to neighbouring agricultural crops as it tends to outcompete and displace them, thereby causing negat...
-
Article
Effect of thermal pretreatments on biogas production and methane yield from anaerobic digestion of aquatic weed biomass Hydrilla verticillata
The presence of lignin in the biomass makes it difficult for the microorganisms to decompose during the anaerobic digestion process, resulting in a prolonged hydrolysis phase and decreased biogas production. T...
-
Article
A comprehensive assessment of state-wise biogas potential and its utilization in India
Conventional sources of energy like fossil fuels are available in limited quantities and harm environment. So, for sustainable growth, renewable energy is the only way forward. Biomass-based energy has untappe...
-
Article
Bioconversion of phytotoxic terrestrial weeds into soil conditioning bioproduct through two-stage biodegradation process
Mikania micrantha Kunth and Ageratum conyzoides are the most toxic and noxious terrestrial weeds of concern. The present research focuses on the bioconversion of these terrestrial weeds through an optimised biod...
-
Article
Large-scale production of a nutrient-rich soil conditioner by optimized biodegradation of vegetable waste: biodiversity and toxicity assessments
Vegetable market wastes mixed with the solid waste of cities are significant sources of pollution in India due to their pungent stench and greenhouse gas emissions. The present study assessed the efficacy of o...
-
Article
Mobility and risk assessment of heavy metals in benthic sediments using contamination factors, positive matrix factorisation (PMF) receptor model, and human health risk assessment
Metal pollution in benthic sediments was fractionated and modelled to quantify the risk of anthropogenic activities on river ecosystems. In this study, the individual contamination factor (ICF) and the global ...
-
Chapter
The Advancement of Membrane Bioreactors (MBRs) in Industrial Effluent Treatment
The cumulative existence of micro-pollutants in industrial effluents poses new challenges in wastewater treatment. The conventional physicochemical methods for industrial effluent treatment suffer from evident...
-
Article
Biodegradation of an intrusive weed Parthenium hysterophorus through in-vessel composting technique: toxicity assessment and spectroscopic study
Parthenium hysterophorus is a toxic terrestrial weed with its erratic behavior brought on by the presence of toxic compounds. A numerous works have been conducted on the complete eradication of this weed, but due...
-
Article
Screening of different thermal heating processes for increased methane production from lignocellulose waste material
Pretreatment plays an important role in enhanced methane production from lignocellulose material. In this study, four different types of heating processes such as hot air oven, autoclave, liquid hot water bath...
-
Article
Development of function-specific indices for assessing water quality based on the proposed modifications of the expected conflicts on existing information entropy weights
Water serves numerous purposes besides drinking, such as irrigation and industrial usage. Most water quality indices developed have primarily focused on drinking water quality. However, assessing other functio...
-
Article
Open AccessStudy of physicochemical parameters and wetland water quality assessment by using Shannon’s entropy
In water quality monitoring programs, optimization between information craved and information collected involves scrupulous judgment making processes and management approaches. The present study explores the f...
-
Chapter
Employing Multivariate Statistics as a Tool for Develo** Water Quality Index (WQI) for the Assessment of Water Quality of Deepor Beel, Assam, India
The rapid growth of population has led to intense urbanisation in the city of Guwahati, which has caused the water bodies in the city to deteriorate (both quality as well as quantity wise) to a substantial ext...
-
Chapter and Conference Paper
Monitoring Heavy Metals Concentrations in a Natural Wetland and Aquatic Plant Eichhornia Crassipes for Assessment of Its Biomonitoring Potential
In the present study, seven heavy metals, i.e., Cr, Cd, Fe, Mn, Cu, Pb and Mg were used for estimation of heavy metal pollution and the bioconcentration and translocation factors corresponding to the plant Eichho...
-
Chapter and Conference Paper
Spatial and Temporal Distribution of Ions in Groundwater of the Dimoria Block of Kamrup Metropolitan District of Assam, India Using Geographic Information System
The quality of groundwater in the Dimoria block of the Kamrup Metropolitan district of the state of Assam, India was gauged by determining 5 physicochemical parameters (pH, TDS, turbidity, TH, and TA) and 8 ma...
-
Chapter
Trend of Water Quality of a River Flowing through Densely Populated Area of Assam, India using Water Quality Index (WQI)
The north-eastern region of India is abundant in water supplies and is blessed with a network of rivers and lakes. Over the last decade, the rapid growth of the population, with the urbanization and industrial...
