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Case History
Degassing and Foam Abatement
Project scope
- Improvement of gas separation from organic liquid saturated in gas during expansion to atmospheric pressure
- Plant bottle neck
PECS scope
- Basic investigation
- Experimental equipment conception, procurement and construction
- Experimental work
- Result interpretation and Phenomena modelling
- Industrial equipment design
- Assistance to industrial application
Research and engineering
- 1 month of scientific investigation and reflexions
- Pilot plant commissioned in 3 months
- 2 months of tests
- 1 month for modelling and approval
- 1 month of equipment design
Industrial Results
- Existing degasser replacement 8 months for construction and erection / ˜1 MEUR
- Performance: 3 days for start up / General process improvement / Capacity increased by 20%
Running cost Optimization Software
Project scope
- Running cost optimization for Oxidation Reactor
• Complex chemistry
• Industrial constraint
- Model development:
• Bubble column reactor model
• Cost model
• Kinetic model
PECS scope
- Model development
- Software development
- Industrial calibration
- Result validation
Project schedule
- Model development: Start February 2002 - End September 2002
- Industrial model validation: Start September 2002 - End April 2003
- Extension for NPV optimization: Start April 2003 - End July 2004
Program results
- RC Savings: 2-4 €/t
- NPV Savings: >5 M€
- Debottlenecking of existing plants
Stripping of methylene chloride from waste water
Project scope
- Removal of methylene chloride from process waste water
• Methylene chloride in treated water: < 2 ppm
• Plant completely automated (including start up and shut down)
PECS scope
- Technology supply
- Basic engineering pakckage
- Technical assistance to plant start up
Project schedule
- Basic engineering: Start August 2004 - End November 2004
- Erection (customer mgt): Start January 2005 - Mechanical commissioning April 2005
- Start up: May 2005
- Investments: whitin Budget
Plant performances
- Capacity: whitin specs
- Product quality: whitin specs
- Steam usage: low
- Operability:
• Excellent (including start up and shut down)
• Flexibility
27 ktpa Chlorine Electrolysis
Project scope
- 27 ktpa KCl membrane electrolysis
• Feed: technical and raw KCl
• Products: 50% KOH, wet chlorine, wet hydrogen
- Green field plant, replacing Hg electrolysis, including:
• Brine loop (zero effluent)
• Chlorine loop
• Hydrogen loop membrane cells (package)
• KOH concentration (package)
• Utilities (DMW, CW, N2)
- Investments: 22 MEUR
PECS scope
- Technology supply
• Exclusded: cells, KOH concentration
- Basic engineering pakckage
Project schedule
- Basic engineering: Start November 2006 - End May 2007 (six months)
- Detail engineering (contracted by customer): Start June 2007 - End April 2008
- Erection: Start September 2007 - Mechanical commissioning May 2008 - No incidents / accidents during erection
- Start up: July 2008
- Investments: whitin Budget
Plant performances
- Capacity: + 10%
- Product quality: in spec
- Safety: no chlorine accident reported
- Environment: zero effluent respected
- Operability:
• excellent (ergonomy of DCS interface)
• Flexibility
• Good control of byproducts [Chlorates - Sulfates]
BIOGAS PURIFICATION
Project scope
- Remove impurities (siloxanes, Chlorinated compound and H2S) from biogas produced in landfilling for feed endothermic engines
PECS scope
- Technology supply
- Basic engineering pakckage
- Detail engineering
Technology
- Adsorption using specific activated carbon
- In situ regeneration
Project schedule
- Basic engineering: Start May 2010 - End June 2010
- Detail engineering: Start June 2010 - End September 2010
- Erection: Start November 2010 - December 2010 - No incidents / accidents during erection
- Start up: December 2010
- Investments: whitin Budget
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