Organic Waste Processing with Resource Recovery - Composting and Anaerobic Digestion

Online /
Mar 10 - 11, 2022 /
Course Code: 12-0233-ONL21

  • Overview
  • Syllabus
  • Instructor


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 (Will include the usual breaks)

After attending this course, you will be able to:

  • Know the standards and regulations applicable to organic waste processing with resource recovery
  • Identify the various technologies available as well as their key concepts and characteristics
  • Understand installation design, including mass, water and energy balances
  • Understand the challenges of managing sites and odor and pathogen control
  • Be familiar with the construction, operation and maintenance costs, as well as social and environmental issues

This course will cover the design, construction, operation and maintenance of anaerobic digestion and composting facilities and will include an introduction to organics processing and management, available technologies as well as a general classification of different technologies of anaerobic digestion and composting.

The course will cover basic principles; general sizing and design; operating parameters; calculation of potential energy, mass balance and environmental gains; characterization/processing of feedstocks and finished products (biogas, steam production, digestate and electricity); calculation and design of the various components; inspection and problem diagnosis; case studies; and practical exercises.

Course Outline:

  • Basics: techniques and processes
  • Regulations, codes and standards
  • Classification: technologies and process
  • Planning and needs assessment
  • Calculation of mass and energy balance
  • Product utilization and marketing: biogas/compost
  • Operational control of odor and pathogens
  • Risk and site management
  • Inspection and trouble shooting
  • Practical exercises and case studies

Who Should Attend:
Engineers • Technicians • Project Engineers • Plant and Facility Managers • Inspectors • Operation and Maintenance Personnel • Consultants and Contractors • Construction Supervisors • Technical/Commercial Representatives

More Information

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

Please note: You can check other time zones here.


Daily Schedule:
9:30 Session begins
5:30 Adjournment

There will be a lunch break each day in addition to refreshments and networking breaks during the morning and afternoon.

Day 1

1 Welcome, Introduction, Seminar Preview

2 Standards, Regulations and Applicable Policies

  • Overview of standards, regulations in Canada and Ontario
  • Overview of policies and other documents issued by government authorities
  • Overview of other American and European standards.

3 Status of the Situation Across Canada

  • Overview of standards and practice in different Canadian provinces.

4 Basic Concepts for Organic Waste Processing with Resource Recovery

  • Collection Modes
    • Co-collection and Source Separate Organic Collection (Green Bin Program/SSO)
    • Collection and sorting (mechanical and optical sorting, etc.) and alternative scenarios;
  • Current Practices and Available Technologies
    • Biological technologies
    • Thermal technologies
  • Basic Concepts of the Anaerobic Digesting Process
    • Feedstock delivery and handling
    • Pre-treatment for the enhancement of anaerobic digestion (mechanical, biological and physico-chemical pre-treatments)
    • Digesters, heat exchangers and gas blenders
    • Treatment of finished products (biogas, digestate)
    • Disposal of residues
    • Beneficial use of by-products as fuels or fertilizers
  • Basic Concepts of Composting Process
    • Feedstock, bulking agents, and amendment
    • Pre-processing and post-processing
    • Refining and product preparation
  • Master Plan and Facilities Planning
    • Analysis of feedstock stream
    • Site selection and existing site conditions
    • Final destination of product and residue.

5 Common Terminology

    • Overview of concepts and terminology used in the filed.

6 Selection and Classification of Anaerobic Digester Technologies and Systems

  • Generic Classification of Anaerobic Digestion Technologies
    • Types of anaerobic digestion for solid wastes 
    • Mesophilic and thermophilic digesters
    • Microbial and kinetic reactions
    • Reactor design
    • Lessons learned
  • Selection and basic Design Criteria
  • Biodegradability and other key parameters
  • Laboratory and bench scale tests 
  • Demonstration and Development of pilot tests
  • Analysis and Optimization of the Anaerobic Digestion of the Organic Fraction of the Solid Wastes
  • Anaerobic digestion of Municipal Bio-solids and sludge
  • Co-digestion with other Waste Types
  • Hydrolysis
  • Removal of nutrients in wastewater treatment plants
  • The different mixing systems and basic calculations.

7 Selection and Classification of Composting Technologies and Systems

  • Generic Classification of Composting Technologies
  • Technology Selection and Basic Design Criteria
  • The Composting Process
    • Supply of raw materials and their preparation
    • Phases of composting or active stages
    • Curing and post-treatment.
  • Design of a composting facility
  • Basic calculations and simplified flow diagrams.

8 Project Development and Capacity Assessment

  • Preliminary Assessment for Organics Processing Facility
  • Material, Energy and Water Balances
  • Removing inappropriate materials (contaminants)
  • Degradation of the Organic Fraction of Wastes
  • Continuous production of Biogas from Organic Wastes as a Source replacement for fossil fuels
  • Reuse of nutrients through (from) compost and digestate.
  • Stable and reliable waterproof process.
  • Improved performance (operating efficiency, etc.,)
  • Mass and Energy balances.
  • Basic calculation of the composition of biogas.

Day 2

9 Material, Energy and Water Balances

  • Example of selection of the different components.
  • Example of calculation of the retention time to obtain a class "A" digestate.
  • Example of calculation of the energy required to raise the temperature and maintain it on walls, ceiling, and bases.

10 Economic Aspects

  • Business Plan
  • Avoided Costs Assessment
  • Steps needed to evaluate the facility cost
  • Capital and Operational and Maintenance Costs
  • Cost Comparison between technologies and systems

11 Odor Control

  • Odor Control Systems
  • Chemical Odor Neutralizers and Additives
  • Treatment Processes (Wet scrubbers, Biofilters and Activated carbon)
  • Design Criteria and Operational Consideration

12 Pathogens Control

  • Pathogen Concentration as Related to Feedstock
  • Types of Pathogens
  • Public and Operators: Concerns and Issues
  • Optimal operating parameters, for composting and anaerobic digestion
  • Temperature and regrowth control
  • Example and practical cases.

13 Beneficial Use of By-Products

  • Different categories of compost and certification
  • Different techniques of biogas treatment
  • Removal of sulphides.
  • Separation and washing technologies: advantages and disadvantages (scrubbers and membrane technologies) and treatment efficiency
  • Design criteria of the different technologies and energy consumption.
  • Different technologies for water treatment and ammonia separation and recovery.

14 Site Management

  • Health and Safety
  • Site Management (Dust, Noise and Vector Control, Fires, Managing site water)
  • Sampling analyzing and testing.

15 Operation and Maintenance

  • Factors and parameters affecting the operation.
  • Operation and process control.
  • Technical measures and monitoring.
  • Instruments and control.
  • Inspection and preventive maintenance for different disciplines and trades.
  • Quality of the products and values to be preserved and recorded.

16 Case study

  • Case study of installation in Ontario and other Canadian provinces.
  • Case studies elsewhere in the world.


Christian Khayat, ing., M. Ing. / P. Eng., M. Eng.

Mr. Khayat has thirty years of experience in the design, preparation of drawings and specifications, and project management involving a variety of pumping stations both in Canada and abroad, He has participated in all project phases for numerous clients for the selection and design of all types of pumping stations including water and wastewater.

Mr. Khayat graduated with a Masters in Civil and Process Environmental Engineering and is currently employed by SNC-Lavalin. He serves as a Project Manager/Team Leader and is currently managing several major multi-disciplinary projects including large and small pumping stations involving both design and execution in urban or industrial environments.

As PEO and professional engineer in two other provinces, Christian Khayat has on numerous occasions, both in Canada and abroad, given courses and seminars on designing pumping station systems including courses in company settings, and at McGill University in Montreal. He is very involved within the consulting industry including best practices in the design of pumping stations. He has carried out several site visits in Europe and the United States to evaluate the performance of existing systems and select technologies.

He possesses skills in several areas including municipal infrastructure, potable water, wastewater pumping and treatment of urban, industrial and institutional effluents, and sludge pumping and treatment. He is responsible for preliminary studies, the preparation of plans and specifications in civil engineering, industrial mechanic solutions for environmental processes, and municipal infrastructure. Mr. Khayat's experience also covers construction supervision, start-ups and commissioning of pumping stations.

Mr. Khayat has acted as a lecturer at colleges and universities including McGill University to train managers and operators of drinking water and wastewater plants. He participates in the training of engineers, particularly with the Educational Program Innovations Centre (EPIC), as well as McGill University for more than ten years.

Mr. Khayat has developed strong management skills to lead projects both overseas and in Canada, and to establish and maintain relationships with clients and with his peers.

The Engineering Institute of Canada

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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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