Search results for "Urban wastewater treatment"

showing 3 items of 3 documents

Designing an AnMBR-based WWTP for energy recovery from urban wastewater: The role of primary settling and anaerobic digestion

2015

The main objective of this paper is to assess different treatment schemes for designing a submerged anaerobic membrane bioreactor (AnMBR) based WWTP. The economic impact of including a primary settling (PS) stage and further anaerobic digestion (AD) of the wasted sludge has been evaluated. The following operating scenarios were considered: sulphate-rich and low-sulphate urban wastewater (UWW) treatment at 15 and 30 ºC. To this aim, the optimum combination of design/operating parameters that resulted in minimum total cost (CAPEX plus OPEX) for the different schemes and scenarios was determined. The AnMBR design was based on both simulation and experimental results from an AnMBR plant featuri…

Energy recoveryEngineeringCAPEX/OPEXINGENIERIA HIDRAULICAIndustrial-scale hollow-fibre membranesbusiness.industryFull-scale designEnvironmental engineeringSubmerged anaerobic MBR (AnMBR)Filtration and SeparationAnaerobic membrane bioreactorAnalytical ChemistryAnaerobic digestionWastewaterSettlingUrban wastewater treatmentbusinessTECNOLOGIA DEL MEDIO AMBIENTE
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A Graphical User Interface as a DSS Tool for GHG Emission Estimation from Water Resource Recovery Facilities

2017

A Grafical User Interface (GUI) for the greenhouse gas (GHG) emissions from WWTPs based on four models aimed at quantifying the gas emissions from the aerated tanks (i.e. CAS and MBR reactor), aerobic digesters, secondary clarifiers and anaerobic digesters have been englobed in a GUI in order to provide a valid decision support system (DSS) to the practitioners. The GUI allows to estimate such emissions for the different WWTP phases considered. The GUI has been developed on MATLAB platform and provides as output the GHG emissions in terms of CO2 and N2O fluxes.

EngineeringDecision support systemSettore ICAR/03 - Ingegneria Sanitaria-Ambientalebusiness.industryEnvironmental engineeringGas emissionsGreenhouse gasUser interfaceMATLABbusinesscomputerGraphical user interface DSS Greenhouse gas Urban wastewater treatment plantcomputer.programming_languageResource recoveryGraphical user interface
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Instrumentation, control, and automation for submerged anaerobic membrane bioreactors

2015

A submerged anaerobic membrane bioreactor (AnMBR) demonstration plant with two commercial hollow-fibre ultrafiltration systems (PURON® , Koch Membrane Systems, PUR-PSH31) was designed and operated for urban wastewater treatment. An instrumentation, control, and automation (ICA) system was designed and implemented for proper process performance. Several single-input-single-output (SISO) feedback control loops based on conventional on off and PID algorithms were implemented to control the following operating variables: flow-rates (influent, permeate, sludge recycling and wasting, and recycled biogas through both reactor and membrane tanks), sludge wasting volume, temperature, transmembrane pr…

EngineeringINGENIERIA HIDRAULICAAutomatic controlUltrafiltrationPID controllerUltrafiltrationIndustrial-scale membranesFeedbackWater PurificationBacteria AnaerobicBioreactorsBiogasBioreactorEnvironmental ChemistryAnaerobiosisSubmerged anaerobic membrane bioreactor (AnMBR)Waste Management and DisposalInstrumentationSpargingTECNOLOGIA DEL MEDIO AMBIENTEWater Science and TechnologyWaste managementSewagebusiness.industryMembranes ArtificialGeneral MedicineEquipment DesignRoboticsEquipment Failure AnalysisWastewaterUrban wastewater treatmentSewage treatmentbusinessControl and automation (ICA)Demonstration plant
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