TRAINING.

Small and Medium Communal Wastewater Treatment Systems

Online /
Mar 2 - 3, 2023 /
Course Code: 13-0314-ONL23

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  • Overview
  • Syllabus
  • Instructor

Overview

Please note, This instructor-led course has specific dates and times:
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern

After participating in this course, you will be able to:

  • Identify the characteristics and strength of wastewater based on the types and concentrations of contaminating substances
  • Recognize physical, chemical and biological contaminants of wastewater
  • Identify efficient types of wastewater treatment and disposal systems for small and medium communities
  • Design small and medium communal wastewater treatment systems based on the characteristics of wastewater, availability of land, site location and economic considerations
  • Identify decision-making criteria and management aspects of wastewater treatment in small and medium communities

Description

Small and medium communities usually use decentralized or on-site systems to collect, treat and reuse/dispose treated wastewater at or near the generation point. Managed decentralized or on-site wastewater systems in small and medium communities are gaining increasing attention since they are viable, cost-effective, and offer long-term alternatives to centralized wastewater treatment facilities. This course discusses wastewater treatment in small and medium communities, focusing on the specific characteristics of these types of treatment systems, including flexibility in management, site conditions, cost-effectiveness and environmental protection requirements. The operation principles and design of various types of small and medium communal wastewater treatment systems will be discussed and case studies will be presented.

Course Outline

  • Wastewater characteristics and water pollutants
  • Centralized and decentralized wastewater treatment systems
  • Decision making criteria in wastewater treatment
  • Soil-based decentralized wastewater treatment systems
  • Filtration systems in advanced decentralized wastewater treatment systems
  • Constructed wetlands in advanced decentralized wastewater treatment systems
  • Biological wastewater treatment processes: applications and operation principles
  • Wastewater treatment lagoons
  • Disinfection processes in wastewater treatment systems
  • Management aspects of decentralized wastewater treatment systems

Who Should Attend

Municipal Planners, Designers and Operators of Decentralized Wastewater Systems, Plant Managers, Facility/Utility Engineers, Consulting Engineers, Technicians and Technologists

More Information

Time: 9:30 AM - 5:30 PM Eastern Time


Please note: You can check other time zones here.

Syllabus

Day I

Wastewater Characteristics and Water Pollutants

  • Physical, chemical and microbiological parameters of wastewater
  • Water pollutants: dissolved, non-dissolved, organic and inorganic contaminants, persistent pollutants
  • Typical characteristics of municipal and industrial wastewater

Centralized and Decentralized Wastewater Treatment Systems

  • Population centre and rural area classification
  • Centralized and decentralized concepts of wastewater treatment
  • Centralized wastewater treatment systems
  • Conventional non-discharging (soil-based) decentralized wastewater treatment systems
  • Alternative (enhanced) soil-based decentralized wastewater treatment systems
  • Effluent dispersal in soil-based decentralized wastewater treatment systems
  • Discharging decentralized plants

Decision making Criteria in Wastewater Treatment

  • Decision making stages
  • Criteria for selecting a wastewater treatment system
  • Elements for success in wastewater treatment program
  • Costs, permits, legal aspects
  • Typical reasons for the failure of decentralized wastewater treatment systems

Soil-based Decentralized Wastewater Treatment Systems

  • Components of conventional and advanced soil-based wastewater treatment systems
  • Septic tanks: structure, design and operation
  • Subsurface wastewater infiltration systems (SWIS): types, components and design
  • Maintenance aspects of conventional soil-based treatment systems

Filtration Systems in Advanced Decentralized Wastewater Treatment Systems

  • Types of filters used in water treatment applications
  • Filtration units in decentralized wastewater treatment systems (DWWTS)
  • Sand filters and non-sand filters
  • Single-pass and recirculating sand filters

Day 2

Constructed Wetlands in Advanced Decentralized Wastewater Treatment Systems

  • Types of constructed wetlands: surface-flow and subsurface-flow wetlands
  • Physical, chemical and biological processes of contaminant removal in constructed wetlands
  • Structure and design criteria of constructed wetlands
  • Removal mechanisms for specific contaminants (organic matter, suspended solids, metals, nitrogen, phosphorus, pathogens) in constructed wetlands

Biological Wastewater Treatment Processes: Applications and Operation Principles

  • Major components of wastewater treatment plants that use biological processes
  • Activated sludge (AS) process: structure, process parameters, design and operational aspects
  • Sequencing batch reactors (SBR): operation principles and attributes
  • Trickling filters: structure, process parameters, design and operational aspects
  • Rotating biological contactors (RBC): operation principles and design criteria
  • Membrane bioreactors (MBR): structure, process parameters, design and operational aspects
  • Package plants

Wastewater Treatment Lagoons

  • Lagoon systems and their operation principles
  • Naturally-aerated and mechanically-aerated lagoons: structure, design and operation
  • Anaerobic and facultative lagoons: structure, design and operation
  • Construction criteria of lagoons

Disinfection Processes in Wastewater Treatment Systems

  • Mechanisms of disinfection processes
  • Properties of disinfectants
  • Chlorination
  • Ozonation
  • UV irradiation

Management Aspects of Decentralized Wastewater Treatment Systems

  • Critical elements of management programs
  • Proposed levels of management
  • Responsibilities of a decentralized wastewater treatment management program

Concluding Remarks

Discussion Period: Questions and Answers

Instructor

Laleh Yerushalmi, Ph.D., P.Eng.

Laleh Yerushalmi is the Chief Technology Officer of BioCAST Systems Inc. and Dagua Technologies Inc. She holds a Ph.D. degree in Chemical Engineering and specializes in Environmental and Biochemical Engineering.

She is a professional engineer and member of l’Ordre des ingénieurs du Québec. Laleh is the inventor of BioCAST technologies and is currently in charge of research and development at BioCAST Systems Inc. and Dagua Technologies Inc. Laleh has more than twenty years of experience in the design, development and optimization of chemical and biological processes for wastewater treatment and site bioremediation.

She was formerly the Director of Research and Development, in charge of operation management and performance optimization of a proprietary wastewater treatment technology at Atara Corporation in Montreal. She has also been a Research Analyst at Statistics Canada, involved in environmental modeling, design and development of methodologies for the estimation of environmental emissions. She was formerly a Research Officer at the National Research Council of Canada, responsible for the design and development of groundwater treatment technologies. Laleh teaches and supervises graduate research theses at McGill and Concordia Universities. She has presented the results of her research in numerous conferences and has published more than ninety articles in scientific journals.




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Fee & Credits

$1295 + taxes

  • 1.4 Continuing Education Units (CEUs)
  • 14 Professional Development Hours (PDHs)
  • ECAA Annual Professional Development Points
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