3 - Other industrial technologies

3.2 - Process Plant Engineering

3.4 - Chemical Technology and Engineering

• 3.4.6 - Organic Substances

4 - Energy

4.2 - Energy production, transmission and conversion

• 4.2.6 - Hydrogen production

4.5 - Renewable Sources of Energy

• 4.5.5 - Solid biomass
• 4.5.8 - Waste to energy other
• 4.5.9 - Energy from wastewater
• 4.5.12 - Integrated waste-energy processes

4.10 - Biogas and anerobic digestion (AD)

5 - Physical and exact sciences

5.1 - Chemistry

• 5.1.3 - Inorganic Chemistry

5.4 - Separation Technologies

• 5.4.1 - Filtration and Membrane Processes

6 - Biological sciences

6.6 - Industrial Biotechnology

• 6.6.1 - Bio- Composites
• 6.6.8 - Biopolymers
• 6.6.9 - Bioprocesses
• 6.6.12 - Fermentation

9 - Measurements and standards

9.1 - Measurement Tools

• 9.1.2 - Analyses/Test Facilities and Methods

10 - Protecting man and the environment

10.1 - Safety

• 10.1.6 - Assessment of Environmental Risk and Impact

10.2 - Environment

• 10.2.2 - Environmental Engineering/Technology

10.3 - Waste Management

• 10.3.1 - Biotreatment/Compost/Bioconversion
• 10.3.4 - Recycling, Recovery
• 10.3.9 - Waste to Energy /Resource

10.4 - Water Management

• 10.4.5 - Industrial Water Treatment
• 10.4.7 - Municipal Water Treatment
• 10.4.9 - Sludge Treatment / Disposal
• 10.4.11 - Wastewater Recycling