Bio Science

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Public acceptability of treated surface water for portable purpose: Case study in Vavuniya

Mathara Arachchi, M.A.O.D; Sukanyah, S. (2020)

The low public acceptance is one of the major challenges in implementing and succeeding surface water intake projects for potable purpose. The water treated from Per-Aru reservoir is the source of water supplied by the ...
Use of nanofiltration and reverse osmosis in reclaiming micro-filtered biologically treated sewage effluent for irrigation

Sukanyah, S.; Vigneswaran, S.; Nguyen, T.V.; Loganathan, P.; Kandasamy, J (ELSEVIER, 2015)

Micro-filtered, biologically treated sewage effluent (BTSE) generally has high sodiumadsorption ratio (SAR) and sodium(Na) and chloride (Cl) concentrations. Therefore it cannot be directly used for irrigating sensitive ...
Submerged membrane – (GAC) adsorption hybrid system in reverse osmosis concentrate treatment

Sukanyah, S.; Nguyen, T.V.; Jeong, S.; Kandasamy, J (ELSEVIER, 2015)

Wastewater reclamation plants using reverse osmosis as the final polishing treatment produce reverse osmosis concentrate (ROC), which consists of high salinity, nutrients and (recalcitrant) organics. The ROC collected from ...
Submerged membrane filtration adsorption hybrid system for the removal of organic micropollutants from a water reclamation plant reverse osmosis concentrate

Sukanyah, S.; Loganathan, P.; Kazner, C.; Johir, M.A.H.; Vigneswaran, S. (ELSEVIER, 2017)

Reverse osmosis (RO) is awidespreadwater treatment process utilised in water reuse applications.However, the improper discharge of RO concentrate (ROC) containing organic micropollutants such as pharmaceuticals into the ...
Status of the saltwater intrusion in Jaffna, Sri Lanka

Uthayashangar, S.; Nanthakumaran, A.; Sukanyah, S. (University of Peradeniya, 2019)

The objective of this study is to assess the present status of saltwater intrusion in the proximity of lagoons (Vadamarachchi and Uppuaru) in Jaffna, Sri Lanka. Ten villages along the periphery of the said lagoons were ...
Role of Colocasia esculenta in Constructed Wetlands for Treating Rice mill Wastewater

Balachandran, T.; Nanthakumaran, A.; Sukanyah, S.; Sivanesan, K.S. (Estern University, Sri Lanka, 2018)

This study was conducted to assess the efficiency of aquatic macrophyte – Colocasia esculenta to treat the rice mill wastewater especially for (suspended and dissolved) solids, organics, and nutrients in a pilot scale ...
Waste peanut hull as a biosorbent to treat rice mill wastewater : A comparison with the efficient of granular activated carbon

Uduwarage, U.D.T.M.; Sukanyah, S. (University of Peradeniya, 2019)

The objective of this study was to evaluate the performance of waste Peanuthull as a biosorbent in treating ricemill wastewater. The performance of the peanuthull was compared under similar conditions with coal based ...
Site suitability analysis for solid waste disposal in Vavuniya district, Sri Lanka

Jayaweera, H.; Sukanyah, S.; Wijeyamohan, S.; Nanthakumaran, A. (University of Peradeniya, 2019)

Open dumping of Solid Waste (SW) has become a challenging issue in Sri Lanka and causes environmental pollution and public nuisance. Vavuniya District is no exception, and mixtures of all types of SW collected within the ...
Performance of submerged membrane – Ion exchange hybrid system with Purolite A502PS in treating reverse osmosis feed

Sukanyah, S.; Nguyen, T.V.; Shim, W.G.; Kandasamy, J. (ELSEVIER, 2014)

The performance of ion exchanger Purolite A502PS in treating biologically treated sewage effluent (Reverse Osmosis feed) was evaluated in a submerged membrane ion exchange hybrid system (SMIHS). The experimental results ...
Waste derived biosorbents to remove organics from ricemill wastewater

Uduwarage, U.D.T.M.; Sukanyah, S. (International conference on Environmental Medical Statistics, 2020)

The objective of this study was to compare the performance of natural biosorbents (rice hull and peanut hull) in removing organic pollutants from rice mill wastewater. The biosorbents were prepared through the processes ...
Sustainable Processes for Treatment of Waste Water Reverse Osmosis Concentrate to achieve Zero Waste Discharge: A Detailed Study in Water Reclamation Plant

Sukanyah, S.; Johir, M.A.H; Listowski, A.; Vigneswaran, S.; Kandasamy, J. (ELSEVIER, 2015)

Water reclamation systems based on dense membrane treatment such as reverse osmosis (RO) are being progressively applied to meet water quantity and quality requirements for a range of urban and environmental applications. ...
Experimental evaluation of microfiltration–granular activated carbon (MF–GAC)/nano filter hybrid system in high quality water reuse

Sukanyah, S.; Johir, M.A.H.; Nguyen, T.V.; Kandasamy, J.; Vigneswaran, S. (ELSEVIER, 2015)

In order to achieve high quality water reuse, a dual membrane hybrid system (combining microfiltration– granular activated carbon (MF–GAC)) adsorption hybrid system followed by nanofiltration (NF)) was used. This system's ...
Effluent organic matter removal fromreverse osmosis feed by granular activated carbon and purolite A502PS fluidized beds

Sukanyah, S.; Nguyen, T.V.; Shim, W.G.; Kandasamy, J.; Listowski, A.; Vigneswaran, S. (ELSEVIER, 2014)

Applying pre-treatments to remove dissolved organic matter from reverse osmosis (RO) feed can help to reduce organic fouling of the RO membrane. In this study the performance of granular activated carbon (GAC), a popular ...

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