Please note! Course description is confirmed for two academic years, which means that in general, e.g. Learning outcomes, assessment methods and key content stays unchanged. However, via course syllabus, it is possible to specify or change the course execution in each realization of the course, such as how the contact sessions are organized, assessment methods weighted or materials used.


Upon the completion, the student should be able to

  • Describe the most important biological water, wastewater, sludge, waste and gas treatment methods [knowledge]
  • Explain biochemical, microbiological and ecological phenomena in biological treatment processes [knowledge]
  • Form the simple mass balances of biological unit processes [knowledge/skill]
  • Identify the critical factors affecting the efficiency of biological treatment processes and describe their control systems [knowledge/skill]

Credits: 5

Schedule: 28.02.2023 - 20.04.2023

Teacher in charge (valid for whole curriculum period):

Teacher in charge (applies in this implementation): Anna Mikola

Contact information for the course (applies in this implementation):

Anna Mikola,

CEFR level (valid for whole curriculum period):

Language of instruction and studies (applies in this implementation):

Teaching language: English. Languages of study attainment: English


  • valid for whole curriculum period:

    This course gives an introduction into the biological water, wastewater, sludge, solid waste and waste gas treatment processes. The main focus is on wastewater treatment. The course is useful for students interested in the design and operation of municipal and industrial water, wastewater and waste treatment bioprocesses. Introduction to aerobic, anoxic and anaerobic water and waste treatment processes and their biochemistry, microbiology and ecology (biosorption, metabolic processes, mass and energy balances, biomass composition and yield, optimal process environment, inhibitory effects, acclimatization, adaptation and succession); Types of processes and bioreactors; Process parameters and their optimization; Bioprocess control and bioreactor sizing

  • applies in this implementation

    The course has a pre-assignment on microbiology. Support material for the pre-assignment is available in MyCourses. 

Assessment Methods and Criteria
  • valid for whole curriculum period:

    Examination(s), exercises and reporting assessments, peer assessment

  • valid for whole curriculum period:

    Contact hours. 20-60 h

    Independent work: 75-115 h


Substitutes for Courses
SDG: Sustainable Development Goals

    6 Clean Water and Sanitation

    11 Sustainable Cities and Communities

    13 Climate Action


Further Information
  • valid for whole curriculum period:

    Teaching Language : English

    Teaching Period : 2022-2023 Spring IV
    2023-2024 Spring IV

    Enrollment :

    Registration for courses will take place on Sisu ( A limited number of students will be accepted to the course, with preference given to our own WAT Master's Programme students. Other students may be selected based on Motivation Letter and/or other criteria. The course may not be organized if fewer than 5 students register to the course.

Details on the schedule
  • applies in this implementation

    Detailed schedule is available in MyCourses