S. K. Weragoda
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View article: Assessment of Pollution in Lagoons Using Water Quality Indices: A Case Study in Sainthamaruthu Coastal Lagoon
Assessment of Pollution in Lagoons Using Water Quality Indices: A Case Study in Sainthamaruthu Coastal Lagoon Open
An understanding about pollution status is vital for remediating water resources, which is lacking in context of Sri Lanka’s lagoon system. The aim of this study was to assess the pollution in a lagoon in terms of degree, dynamics and sour…
View article: Integrated assessment of existing practices and development of pathways for the effective integration of nature-based water treatment in urban areas
Integrated assessment of existing practices and development of pathways for the effective integration of nature-based water treatment in urban areas Open
Water pollution poses a significant and escalating threat to urban environments, particularly in the rapidly expanding cities of Asia. Addressing this challenge requires implementing cost-effective solutions, and one such approach is the d…
View article: Bacterial diversity in water distributed under intermittent water supply
Bacterial diversity in water distributed under intermittent water supply Open
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View article: Phosphorus removal for bioremediation of eutrophic lagoon via floating wetland: Insights from a case study in Sainthamaruthu coastal lagoon
Phosphorus removal for bioremediation of eutrophic lagoon via floating wetland: Insights from a case study in Sainthamaruthu coastal lagoon Open
View article: Assessment of Harvested Rainwater Quality and Surrogate Parameter Development for Drinking Water Provision in Rural Sri Lanka
Assessment of Harvested Rainwater Quality and Surrogate Parameter Development for Drinking Water Provision in Rural Sri Lanka Open
View article: Challenges in Tea Plantation-Based Small Community Water Safety Plan Implementation – A Sri Lankan Experience
Challenges in Tea Plantation-Based Small Community Water Safety Plan Implementation – A Sri Lankan Experience Open
This paper presents the challenges and scientific approach adopted to overcome those challenges for Rural WSP (RWSP) implementation for the water supply schemes (WSS) in the Sri Lankan Tea Plantation sector. Factors positively and negative…
View article: Deep Learning-Based Automatic Delineation of Liver Domes in kV Triggered Images for Online Breath-hold Reproducibility Verification of Liver Stereotactic Body Radiation Therapy
Deep Learning-Based Automatic Delineation of Liver Domes in kV Triggered Images for Online Breath-hold Reproducibility Verification of Liver Stereotactic Body Radiation Therapy Open
Stereotactic Body Radiation Therapy (SBRT) can be a precise, minimally invasive treatment method for liver cancer and liver metastases. However, the effectiveness of SBRT relies on the accurate delivery of the dose to the tumor while spari…
View article: Land-Use Pattern-Based Spatial Variation of Physicochemical Parameters and Efficacy of Safe Drinking Water Supply along the Mahaweli River, Sri Lanka
Land-Use Pattern-Based Spatial Variation of Physicochemical Parameters and Efficacy of Safe Drinking Water Supply along the Mahaweli River, Sri Lanka Open
Exploration of the pollution status of river-based water sources is important to ensure quality and safe drinking water supply for the public. The present study investigated physicochemical parameters of surface water in the upper segment …
View article: Impact of Water Management on Methane and Nitrous Oxide Emission Dynamics in Asian Paddy Ecosystems
Impact of Water Management on Methane and Nitrous Oxide Emission Dynamics in Asian Paddy Ecosystems Open
With increasing demand for rice productivity linked with intense pressure on water availability in Asia, novel strategies are sought to optimise water management in paddy cultivation without compromising the yield. The conventional submerg…
View article: Enhancing Rubber Industry Wastewater Treatment through an Integrated AnMBR and A/O MBR System: Performance, Membrane Fouling Analysis, and Microbial Community Evolution
Enhancing Rubber Industry Wastewater Treatment through an Integrated AnMBR and A/O MBR System: Performance, Membrane Fouling Analysis, and Microbial Community Evolution Open
This study explores the effectiveness of an integrated anaerobic membrane bioreactor (AnMBR) coupled with an anoxic/oxic membrane bioreactor (A/O MBR) for the treatment of natural rubber industry wastewater with high sulfate, ammonia, and …
View article: Spatiotemporal Assessment of Water Pollution for Beira Lake, Sri Lanka
Spatiotemporal Assessment of Water Pollution for Beira Lake, Sri Lanka Open
Beira Lake, located in Colombo, Sri Lanka, has suffered severe anthropogenic impacts, with previous restoration attempts failing due to a limited understanding of pollutant dynamics. Aiming to fill this gap, a comprehensive study was condu…
View article: Geochemical Assessment of the Evolution of Groundwater under the Impact of Seawater Intrusion in the Mannar District of Sri Lanka
Geochemical Assessment of the Evolution of Groundwater under the Impact of Seawater Intrusion in the Mannar District of Sri Lanka Open
Groundwater is an important drinking water resource in the coastal regions of island countries and has suffered from heavy seawater intrusion. However, the areas specifically affected by seawater intrusion and their groundwater hydrogeoche…
View article: Enhanced Pretreatment of Natural Rubber Industrial Wastewater Using Magnetic Seed Coagulation with Ca(OH)2
Enhanced Pretreatment of Natural Rubber Industrial Wastewater Using Magnetic Seed Coagulation with Ca(OH)2 Open
The efficiency of magnetic seed coagulation (MSC) with pH adjustment by NaOH and Ca(OH)2 as a pretreatment for high-strength natural rubber industrial wastewater (NRIWW) was compared in this study. The high content of suspended solids (SSs…
View article: Removals of Total Nitrogen and Sulphate from Rubber Industrial Wastewater by Coupling of Sulfammox and Sulphide-Driven Autotrophic Denitrification in the Anmbr
Removals of Total Nitrogen and Sulphate from Rubber Industrial Wastewater by Coupling of Sulfammox and Sulphide-Driven Autotrophic Denitrification in the Anmbr Open
View article: Synchronised Removal of Nitrogen and Sulphate from Rubber Industrial Wastewater by Coupling of Sulfammox and Sulphide-Driven Autotrophic Denitrification in the Anmbr
Synchronised Removal of Nitrogen and Sulphate from Rubber Industrial Wastewater by Coupling of Sulfammox and Sulphide-Driven Autotrophic Denitrification in the Anmbr Open
View article: Monitoring coliform contamination at Mahaweli river water intakes to ensure safe drinking water supply
Monitoring coliform contamination at Mahaweli river water intakes to ensure safe drinking water supply Open
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View article: Impact of Lockdown on the Surface Water Quality in Kelani River, Sri Lanka
Impact of Lockdown on the Surface Water Quality in Kelani River, Sri Lanka Open
The COVID-19 lockdown has been regarded as a catalyst for the restoration of natural water bodies worldwide. Therefore, this study aims to investigate the impacts of the lockdown on the water quality of the Kelani River, Sri Lanka. The wat…
View article: Comparison of Ph Adjustment Chemicals for Enhancing Magnetic Seed Coagulation in Pretreatment of Rubber Industrial Wastewater
Comparison of Ph Adjustment Chemicals for Enhancing Magnetic Seed Coagulation in Pretreatment of Rubber Industrial Wastewater Open
View article: Co‐development of an integrated assessment framework to evaluate the effectiveness and impact of selected nature‐based water treatment technologies in Sri Lanka, The Philippines, and Vietnam
Co‐development of an integrated assessment framework to evaluate the effectiveness and impact of selected nature‐based water treatment technologies in Sri Lanka, The Philippines, and Vietnam Open
Water quality is a critical challenge in Asia in the context of growing industrialization, urbanization, and climate change. Nature‐based solutions (NbS) could play an important role in reducing urban water pollution, while generating mult…
View article: Groundwater-Based Drinking Water Supply in Sri Lanka: Status and Perspectives
Groundwater-Based Drinking Water Supply in Sri Lanka: Status and Perspectives Open
Drinking water is largely from groundwater in Sri Lanka, so quality management is of great concern. In order to achieve the 6th goal of United Nations (UN) Sustainable Development Goals (SDG), more efforts are being undertaken to secure dr…
View article: Sustainable pressure-driven membrane facility controlled by a smartphone application for groundwater desalination in the dry zone of Sri Lanka
Sustainable pressure-driven membrane facility controlled by a smartphone application for groundwater desalination in the dry zone of Sri Lanka Open
Presently over three million people, mostly living in the dry zone of Sri Lanka, experiencing acute water stress due to excess salinity which results in palatability problems. In many parts of the world, reverse osmosis (RO) and nanofiltra…
View article: Fluorescence Characteristics and Source Analysis of DOM in CKDu Zone of the North Central Province in Sri Lanka in Wet Season
Fluorescence Characteristics and Source Analysis of DOM in CKDu Zone of the North Central Province in Sri Lanka in Wet Season Open
View article: Urinary concentrations of neonicotinoid insecticides were related to renal tubular dysfunction and neuropsychological complaints in Dry-zone of Sri Lanka
Urinary concentrations of neonicotinoid insecticides were related to renal tubular dysfunction and neuropsychological complaints in Dry-zone of Sri Lanka Open
View article: Probing fouling mechanism of anion exchange membranes used in electrodialysis self-reversible treatment by humic acid and calcium ions
Probing fouling mechanism of anion exchange membranes used in electrodialysis self-reversible treatment by humic acid and calcium ions Open
View article: Evaluation of Performance of Existing RO Drinking Water Stations in the North Central Province, Sri Lanka
Evaluation of Performance of Existing RO Drinking Water Stations in the North Central Province, Sri Lanka Open
Reverse osmosis (RO) drinking water stations have been introduced to provide safe drinking water for areas with prevailing chronic kidney disease with unknown (CKDu) etiology in the dry zone of Sri Lanka. In this investigation, RO drinking…
View article: Urinary Concentrations of Neonicotinoid Insecticides in Chronic Kidney Disease Patients, Their Family Members and Others in Dry-Zone of Sri Lanka
Urinary Concentrations of Neonicotinoid Insecticides in Chronic Kidney Disease Patients, Their Family Members and Others in Dry-Zone of Sri Lanka Open
The growing worldwide prevalence of chronic kidney disease of unknown etiology (CKDu) has been reported since the 1990’s. Neonicotinoids are systemic insecticides used since 1990’s, which may cause renal dysfunction, but the effect on the …
View article: Urinary Concentrations of Neonicotinoid Insecticides and Tubular Biomarkers, and Clinical Symptoms in Chronic Kidney Disease Patients, Their Family Members and Others in Dry-zone of Sri Lanka: a Small Scale Field-based Case-Control Study
Urinary Concentrations of Neonicotinoid Insecticides and Tubular Biomarkers, and Clinical Symptoms in Chronic Kidney Disease Patients, Their Family Members and Others in Dry-zone of Sri Lanka: a Small Scale Field-based Case-Control Study Open
Background: The growing worldwide prevalence of chronic kidney disease of unknown etiology (CKDu) has been reported since the 1990’s. Neonicotinoids are systemic insecticides started to use in 1990’s with nicotinic acetylcholine receptor c…
View article: Risk Assessment of Trace Element Contamination in Drinking Water and Agricultural Soil: A Study in Selected Chronic Kidney Disease of Unknown Etiology (CKDu) Endemic Areas in Sri Lanka
Risk Assessment of Trace Element Contamination in Drinking Water and Agricultural Soil: A Study in Selected Chronic Kidney Disease of Unknown Etiology (CKDu) Endemic Areas in Sri Lanka Open
Unexplained or unclear etiology of chronic kidney disease (CKDu) has been reported in Sri Lanka’s North Central Province (NCP) for more than two decades. Meanwhile, high exposure to heavy metals/metalloids and their accumulation are recogn…
View article: Facile fabrication of nano zerovalent iron – Reduced graphene oxide composites for nitrate reduction in water
Facile fabrication of nano zerovalent iron – Reduced graphene oxide composites for nitrate reduction in water Open
View article: Drinking-Water Supply for CKDu Affected Areas of Sri Lanka, Using Nanofiltration Membrane Technology: From Laboratory to Practice
Drinking-Water Supply for CKDu Affected Areas of Sri Lanka, Using Nanofiltration Membrane Technology: From Laboratory to Practice Open
Installation of decentralized water-treatment plants is an ideal option to supply safe drinking water for rural communities. Presently in Sri Lanka, over 3.6 million villagers face acute water-quality problems, and chronic kidney disease o…