Conference proceedings

Displaying 91 - 100 of 515 in CEST2019 (remove filter)

CEST Proceedings are published under the ISSN 2944-9820.

Membrane technology for the purification of solutions containing cationic surfactants.

(Corresponding) Klimonda A., Kowalska I.
Topic: 
Water and wastewater reuse
The objective of the study was to evaluate the effectiveness of cationic surfactant (Tequat LC90i, TEAQ) removal from aqueous solutions with the use of tubular ceramic ultrafiltration and microfiltration modules. Research included an assessment of the feed solution parameters (surfactant...Read more
Keywords: 
pressure-driven membrane processes, esterquat, fabric softener
Paper ID: 
cest2019_00226

UV/H2O2 coupled with adsorption in the decolorization and phytotoxicity effects of dye mixtures

Ortega Tapia A., Alvarez Marroquin C., Cardona Rendón L., Arroyave Quiceno C., (Corresponding) Aristizábal Castrillón A.
Topic: 
Advanced oxidation processes
UV/H2O2 is an effective process for the decolorization of dyes in water; However, after treatment if complete mineralization is not achieved the toxicity of the wastewater usually increases due to the generation of intermediated more toxic than the dye. Thus, a subsequent process to reduce toxicity...Read more
Keywords: 
phytotoxicity, dyes mixtures, decolorization, mineralization, bioassays
Paper ID: 
cest2019_00227

Evaluation phytotoxic effects and decolorization of simulated and real textile wastewaters by UV/H2O2

Quiceno Gómez L., Hernández Gallo M., Cardona Rendón L., Arroyave Quiceno C., (Corresponding) Aristizábal Castrillón A.
Topic: 
Advanced oxidation processes
The discharge of dyes in aquatic ecosystems is of environmental concern due to intense coloration that decrease photosynthetic activity and the possible toxic effects (Hao et al., 2000). Therefore, the development and understanding of processes for the removal of textile dyes in wastewaters, like...Read more
Keywords: 
Wastewater, textile industry, H2O2/UV, phytotoxicity
Paper ID: 
cest2019_00228

Waste Management System and Its Effects on the Water Quality of an Ecotourism Destination in Caramoan, Camarines Sur, Philippines

(Corresponding) Moico C., Florece L., Cereno R., Ancog R.
Topic: 
Environmental impacts of tourism and sustainable tourism development
Caramoan is a municipality located in the far eastern end of Camarines Sur in the region of Bicol, Philippines. The islands of Caramoan has been the site for several editions of the international reality TV show Survivor since 2008. After being featured in the show, its popularity spread like...Read more
Keywords: 
Caramoan, ecotourism, waste management, water quality
Paper ID: 
cest2019_00229

Identification and Quantification of Microplastic in Sewage systems by TED-GC-MS

(Corresponding) Altmann K., Goedecke C., Bannick C., Abusafia A., Scheid C., Steinmetz H., Braun U.
Topic: 
Microplastics in the marine environment
Over the last years, the number of publications reporting the amount of microplastic (MP) all over the world increased rapidly. But harmonised sampling, sample preparation and analysis strategies are missing. Commonly used methods are very time consuming and not comparable to each other. Hence,...Read more
Keywords: 
microplastic, TED-GC-MS, microplastic analysis, grey water, waste water treatment plant, combined sewer system
Paper ID: 
cest2019_00233

MONITORING OF TREATED DOMESTIC WASTE WATER QUALITY

Poulli K., (Corresponding) Ero R., Kozakou S., Michael N., Demetriou E., Christofidou M., Aletrari M.
Topic: 
Wastewater treatment
Cyprus is experiencing severe water supply deficiency. Particularly in summer months the situation is aggravated mainly due to low precipitation, high evaporation and increased demands for irrigation and tourisms. The use of treated wastewaters for environmental purposes such as recharging aquifers...Read more
Keywords: 
treated wastewater quality, monitoring, organic pollutants, inorganic pollutants
Paper ID: 
cest2019_00235

Climate change impact on river assimilative capacity: a case study application of water related climatic indicators

ROMAS E., (Corresponding) ZIOGAS A., PECHLIVANIDIS I., TZIMAS A.
Topic: 
Water and climate services - challenges and user-tailored developments
In this investigation, we use climatic, water-related indicators to evaluate the impact of climate change on the assimilative capacity of the Asopos River, Central Greece. Indicators were developed and organised under the SWICCA climate service (http://swicca.eu), which aims to develop and showcase...Read more
Keywords: 
Climate change, Asopos, Copernicus, climatic indicators, surface waters
Paper ID: 
cest2019_00237

Employing data-driven models in the optimization of chemical usage in water treatment plants

(Corresponding) Kandris K., Romas E., Tzimas A., Gavalakis E.
Topic: 
Enviornmental data analysis and modelling
One of the most challenging tasks in potable water production is the cost-efficient and consistent operation of water treatment plants (WTPs) that treat raw water of variable quality and quantity. To increase process stability and optimize the usage of resources, two data-driven models simulated...Read more
Keywords: 
Water treatment optimization, Data-driven modelling, Water treatment plant
Paper ID: 
cest2019_00238

A computationally efficient metamodeling-based approach for the automatic calibration of coupled hydrodynamic and water quality models

(Corresponding) Kandris K., Romas E., Tzimas A., Pechlivanidis I., Giardino C., Bresciani M., Schenk K., Bernert H.
Topic: 
Enviornmental data analysis and modelling
Computational budget is a severe limitation on the automatic calibration of expensive hydrodynamic and water quality models. To tackle this limitation, the present work formulated a metamodeling-based approach for parameter estimation of such models and assessed the computational gains of this...Read more
Keywords: 
Metamodeling; calibration; hydrodynamics; water quality modeling
Paper ID: 
cest2019_00239

Risk analysis for gas pipelines: A sustainability assessment approach using bow-tie analysis

(Corresponding) Panagopoulos J., Karayannis A., Karayannis P., Gouvalias G.
Topic: 
Disaster risk reduction and management
Vast amounts of natural gas (NG) are consumed around the world everyday that are mainly transported and distributed through pipelines. Integrity of these pipelines is of primary interest to NG companies, consultants, governmental agencies, consumers and other stakeholder due to adverse...Read more
Keywords: 
Natural Gas, Pipeline Failures, QRA, FTA, ETA, Bow-Tie
Paper ID: 
cest2019_00244