Member introduction

Tuomo Sainio is professor of Chemical Separations in Laboratory of Separation and purification at Lappeenranta University of Technology (LUT), Finland.

About Chemical Separations:


About Tuomo Sainio:

Brief Biography:

  • 2005 Doctor of Science, LUT, “Ion-Exchange Resins as Stationary Phase in Reactive Chromatography”
  • 2005-2012, Post-doc researcher at LUT Laboratory of Industrial Chemistry
  • 2006, 2008 Post-doc researcher exchange at Max Planck Institute for Dynamics of Complex Technical Systems, research group of prof. Andreas Seidel-Morgenstern, Magdeburg, Germany
  • 2008-2014, Title of Docent (Separation technology, especially Industrial chromatography), Department of Chemical Technology, LUT
  • 2012-2013, Professor, Industrial Chemistry, Laboratory of Separation Technology, LUT
  • 2014-, Professor, Separation processes, LUT School of Engineering Science
  • 2013-2016, Head of B.Sc and M.Sc degree programs, Chemical Engineering, LUT
  • 2016-, Director of Chemical and Process Engineering M.Sc degree program, LUT

Research interests:

His research interests range from the fundamental phenomena to the development of process design methods for integrated separation processes and include:

  • Mathematical modeling
    • Physical phenomena in chemical rectors and separation units.
  • Industrial chromatography
    • Theoretical analysis of chromatographic separation process and their modes of operation
    • Recycling schemes for chromatographic separation processes
    • Continuous chromatography (various SMB configurations)
    • Applications in bio-refining, especially fractionation of biomass hydrolysates and extracts
    • Applications in food and fine chemicals industries
  • Adsorption and Ion exchange: 
    • Treatment of drinking and process waters (e.g. removal of antibiotics, hormones, phenolic compounds, surfactants, etc.)
    • Treatment of process waters and effluents
    • Purification of hydrometallurgical solutions- Development and design of continuous SMB type ion exchange processes
    • Ion-exchange resins as catalysts and adsorbent
  • Solvent extraction 
    • Hydrometallurgical recovery of valuable metals from secondary sources
    • Development of process design methods
    • Process intensification
    • Chromatographic reactors, thermal effects in reactive chromatography
    • Intensification of solvent extraction by using high-shear mixers
    • Integrated reactor-separator systems


  • 63 peer-reviewed articles in international scientific journals
  • 3 peer-reviewed articles in edited books
  • 1 international patent application (EU and US regions)
  • 75+ papers and presentations in international scientific conferences
  • Number of citations:
    • 636 in Google Scholar,
    • 485 in Scopus
    • h-index: 15 in Google Scholar, 13 in Scopus
    • i10-index: 23 in Google Scholar (number of papers with ≥ 10 citations)


Direct contacts

To find out more or to enquire about research possibilities;

Tuomo Sainio

358 403578683

Lappeenranta University

Skinnarilankatu 34,

53850 Lappeenranta,




This member is

  • Expert

Member's key competencies

Industry served

  • Battery metals
  • Biomaterials/biorefinery
  • Food & beverage
  • Oil & gas
  • Pharmaceutical / health
  • Pulp & paper
  • Sidestreams / recycling
  • Water and wastewater


  • Application
  • Industry
  • Modelling
  • R&D
  • Solutions
  • Technology

Products and services

  • Piloting services
  • Research services

Technologies and solutions

Separation technologies

  • Chromatograhy/adsorption
  • Electrochemical
  • Ion exchange
  • Leaching

Separation solutions

  • Biobased separation and valorization
  • Biochemicals and bioenergy separation solutions
  • Contaminent/pollutant removal
  • Metal/REE recovery and recycling
  • Recovery and recycling of valuable compounds
  • Recycling (residues/sidestreams/waste)
  • Solvent/ionic liquid/eutectic solvent use/ recovery/reuse

Supporting technologies and services

  • Modelling

Member's place in the value chain

  • Components
  • Technology development
  • OEM
  • Technology provider
  • System integrator
  • Full plant delivery
  • EPC
  • Consumables
  • Service provider
  • Enduser/producer

Consortium partners

  • Build consortium
  • Co-ordinate the Writing process
  • Coordinator
  • Partner
  • Provide piloting site
  • Steering team participant
  • Writer

Member's projects

Member's resources and equipments

Equipment services

Batch Adsorption/IX /Chromatography

Vcol=20 mL….100 mL…….1000 mL UV/VIS, RI, fraction collector

Ask about availability
Equipment services

Continuous SMB IX/Chromatography

Up to 10 columns with “simulated counter current flow of liquid and solids. Fully automated. Several process concepts possible.

Ask about availability

Pilot scale adsorption/IX/Chromatography

Vcol=24 L (2 x 12 L).30 L Feed tank, 10 L recycle tank, fully automated.
Several process concepts possible, including SSR recycling in ion exchange and chromatography