Customers and Experience

Process Engineering Experience

Rowan House offers a comprehensive range of process engineering, process design, and process control services.

Our experience covers a wide spectrum of the process industries and this is illustrated by the following examples of work in different sectors.

This list can be downloaded in pdf format by clicking here

Water Treatment Plants.
• United Utilities - Sewage sludge dryer performance study and process review.
• Anglian Water biogas study
• Veolia Outsourcing - Digester manifold with foam break and rag removal drum
• Veolia outsourcing - Digester pressure relief study
• Thames Water - Pipe sizing for CHP engines and study of energy utilization, including the flare system
• Severn Trent - Campion Hills Water Treatment Plant Accident Investigation
• Severn Trent Services - Deaeration plant design for Abhu Dhabi
• Welsh Water - Accident investigation for odour treatment plant.
• Welsh Water - Ganol Water Treatment Plant process study
• Welsh Water - Pressure relief system study for Swansea WWTW

Process Designs.
• Clariant chemicals - Review of batch processing plant including pressure relief systems
• Dow Chemicals - Hydrogen plant specification
• P B Gelatins - plant review and process efficiency study
• Dow Chemicals - Fired heater process control
• PolymerLatex - Ammonia dosing plant for Stoke works
• Britannia Zinc, Avonmouth, Bag filter plant
• Kraft - Freeze dryer ductwork design to maximise freeze dryer with existing fans
• Rhodia, Avonmouth - Mass and energy balance
• AES - Resin in oil plant
• Monsanto - Santoflex plant
• P B Gelatins Dryer plant process control
• British Steel, Scunthorpe, Ventilation system
• BIP - Alval plant for resin manufacture process control
• Rhodia, Oldbury - SIF design.
• Englehard - Wet chemical scrubber
• Robinson Brothers chemicals - process plant review of the pilot plant.

Independent Process Reviews.
• Rye House power station review of the HP system with Paul Dixon.
• Salt Union power station (a Scottish & Southern system) HAZOP and SIL assessment of the HP steam and boiler system as far as the steam turbine.
• Keadby power station ( a Scottish & Southern site) full HAZOP.
• S3JV process design P&I D review for the steam system
• Stirling Water report on boiler level control (expert witness case)
• Husky, simulation of a steam methane reformer
• Cabot Carbon, simulation of a steam methane reformer & HP piping network.
• Petrofac, Fired heater study and review.
• Amongst our team at Rowan House, we have staff with process design and high pressure steam system experience on energy from waste facilities in the UK and USA.

Power Industry.
• CHP power plant at Averøy in Norway.
• EDF Cottam (Retford) - Hazard & risk assessment system development & training
• Expert witness in the case between AES Kilroot Power v ALSTOM and AMEC concerning the design and commissioning of the Kilroot power station's FGD plant and boilers near Carrickfergus in Co. Antrim.

Safety System Experience

Water Industry.
• CSPC (China) - Water Treatment Plant Hazard studies, HAZOP and SIL assessments
• Severn Trent - HAZOP's for Water Treatment Plants at Frankley, Bromsberrow, Stoke Bardolph (including Biogas and CHP plant) Netheridge, Newton Scotter, Worksop and Wanlip (including Biogas and CHP plant)
• Welsh Water - Nash Water Treatment Plant HAZOP
• Welsh Water - SIL assessment for chlorine addition for Felindre
• Welsh Water - Tremorfa Water Treatment Plant HAZOP

Power and Related Industries.
• Development of the Scottish Power risk graphs and SIL assessment procedure including integration within the existing Hazard study systems.
• Salt Union power station (a Scottish & Southern system) HAZOP and SIL assessment of the HP steam and boiler system as far as the steam turbine.
• Keadby power station ( a Scottish & Southern site) full HAZOP and SIL.
• Drax Power station - SIL support and training.
• Marchwood Power station - SIL training
• Enpure - SIL review of system for CHP engines and gas system for Tilbury site
• Rye House power station - HAZOP and SIL assessment, HAZOP training, SIL review with Siemens.
• Tema Oil Refinery Ghana - Full Hazop of their power generation plant for the CDU and RFCC plants.
• Scottish Power hydro, residual SIL review for bypass system, Glenlee Power Station
• Scottish Power risk graph development for all categories of power generation including development of manuals and integration into existing Hazard studies
• Scottish & Southern - Presentation of risk graph tolerability criteria for SIL assessments aligned with COMAH
• Damhead Creek - HAZOP training and HAZOP system
• Scottish Power hydro, residual SIL review for bypass system
• Salt Union power station (a Scottish & Southern system) HAZOP and SIL assessment of the HP steam and boiler system as far as the steam turbine.
• Keadby power station ( a Scottish & Southern site) full HAZOP.
• Energos (energy from waste) CHP scheme at Averøy in Norway - Review of Safety systems and process control and Hazard studies.
• Derby Council due diligence on energy from waste CHP scheme - Review of Safety systems and Hazard studies.
• Merseyside due diligence on energy from waste CHP scheme - Review of Safety systems and Hazard studies.
• Exterran project for oil terminal for Shell, complete plant including power generation, HAZOP, SIL assessment, SIF determination and SIF design
• TOR Ghana - HAZOP & SIL assessment
• Tate & Lyle, Tilbury - SIL assessment and SIF verification
• Cabot Carbon - SIL determination of fuel systems
• Veolia Outsourcing - CHP engine, boilers and gas system review

Other Process Industries.
• National Grid with AB Rhead & Associates -
• RWE design of gas supply system - HAZID and HAZOP
• National Grid & Thyson - gas supply tie in - HAZID and HAZOP
• Tema Oil Refinery Ghana - HAZOP & SIL assessment D
• SM - CHAZOP for central control room
• Millenium Chemicals, Grimsby - CHAZOP training
• Schenectady safety instrumented system study - CHAZOP and SHAZOP