De Vaal, P.
Philip De Vaal graduated from the Department of Chemical Engineering, University of Pretoria, with a BS degree in chemical engineering in 1976, followed by an MS degree and PhD. Dr. de Vaal is now an Emeritus professor of chemical engineering and previously served as the Head of this department from 2004–2020.
Integral vs. proportional gap for averaging level control
In process plants, many instances of level control are required to keep the material balance of the plant from integrating to undesired operating conditions.
- 1
- ... 1 pages
Current Digital Edition

Sign up to Receive Our Newsletter
Latest News
- SWISS becomes world’s first airline to integrate Synhelion solar fuel into its flight operations 7/24
- Finland's Neste tops earnings forecast on soaring SAF sales 7/24
- Shell restarts hydrodesulphurization unit at Pernis oil refinery after unplanned outage 7/24
- Orlen's Unipetrol will start commissioning ethylene unit after power outage experienced earlier in July 7/24
- U.S. refiners may see 2Q profit recover on stronger diesel margins 7/24
- Indian caustic soda major TGV SRAAC selects thyssenkrupp nucera for new expansion contract 7/23
Construction Boxscore: Project Spotlight
Project:
Long Son Petrochemicals Complex
Location:
Long Son, Vietnam
Operator:
Siam Cement Group
Cost:
$5.4 B
Capacity:
1.65 MMtpy
Completion date:
2023
Status:
Under Construction