Calculated based on number of publications stored in Pure and citations from Scopus
1986 …2024

Research activity per year

Personal profile

Research Overview

The research of Prof. Witkamp is aimed at generating knowledge necessary for the development of technologies allowing atom- and energy efficient recovery of materials in pure form (water, salts, metals) from a wide variety of sources, and to realize such technologies in practice at appropriate scales through translational research. Concepts include the Water Refinery, Eutectic Freeze Crystallization, (ultra)trace compound detection and recovery, Natural Deep Eutectic Solvents (NADES’s) and supercritical carbon dioxide based processes.

Key Research Areas

Chemical and Biological Engineering, Earth Science and Engineering, Environmental Science and Engineering, Marine Science, Mechanical Engineering

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 7 - Affordable and Clean Energy


Chemistry, Ph.D., Delft University of Technology


Chemistry, M.S., Leiden University



  • QD Chemistry
  • Water
  • Crystallization
  • Thermodynamics
  • Supercritical Carbon Dioxide
  • Natural Deep Eutectic Solvents
  • Green Solvents


Dive into the research topics where Geert Witkamp is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years

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