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Wrtsil June 2015Power Gen Middle East / Alavillamo, Koul Increasing total efficiency by combined district cooling and power with desalination in Middle East Wrtsil Energy Solutions Hanna Alavillamo Upma Koul Marketing Manager Business Development Manager Wrtsil Finland Wrtsil UAE Slide 2 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul LEGAL DISCLAIMER This document is provided for informational purposes only and may not be incorporated into any agreement. The information and conclusions in this document are based upon calculations (including software built-in assumptions), observations, assumptions, publicly available competitor information, and other information obtained by Wrtsil or provided to Wrtsil by its customers, prospective customers or other third parties (the information) and is not intended to substitute independent evaluation. No representation or warranty of any kind is made in respect of any such information. Wrtsil expressly disclaims any responsibility for, and does not guarantee, the correctness or the completeness of the information. The calculations and assumptions included in the information do not necessarily take into account all the factors that could be relevant. Nothing in this document shall be construed as a guarantee or warranty of the performance of any Wrtsil equipment or installation or the savings or other benefits that could be achieved by using Wrtsil technology, equipment or installations instead of any or other technology. 3 July 2009 2 Slide 3 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Where I come from 3 Slide 4 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul COMBINED HEAT AND POWER 4 Slide 5 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Here 5 Slide 6 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul COMBINED COOLING AND POWER 6 Slide 7 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Case description and assumptions A case study of a 100,000 m2 shopping mall in UAE Electricity from 2xWrtsil34SG (9,7 MW each @ +38C) Cooling: Absorption chillers + electrical chiller stand-by Fresh water requirement 11m3/h 7 The Case Alternative solutions Fresh water by either RO or thermal desalination In case of RO -> beach well Heat for absorption chillers: Exhaust gas or steam (generated by waste heat of the engines) Slide 8 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Reverse Osmosis (RO) 8 Principle:Sea water intake: Slide 9 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Thermal desalination 9 Multi-Stage flashing principle: Slide 10 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Absorption chiller 10 Principle: Slide 11 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Absorption chiller in ICE power plant 11 Principle when EG driven chiller: 12,6 MW 19,4 MW Another option: Steam driven chiller, 76 % 74 % Slide 12 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Desalination and district cooling in ICE power plant CASE 1: RO, beach well Basically two separate systems. Required electricity provided by the engines Cooling: Cooling towers 12 Slide 13 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Desalination and district cooling in ICE power plant CASE 2: Thermal desalination Several alternatives Engine HT cooling water (44kg/s, 96C) 10 stage MSF unit -> production 30 t/h Multi effect evaporator -> 10.5 16.7 m3/h Exhaust gas can be used to increase HT temperature -> increase production Steam Waste heat boiler Steam to absorption chiller and MSF unit Direct sea water intake, also sea water cooling 13 Slide 14 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Conclusions 14 Many alternatives: Feasibility studies to be made Investment costs critical New combination of technologies The Benefits Compact solution: Electricity, cooling and fresh water from one power plant High overall efficiency Low emissions The Challenge Slide 15 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul References 15 Central Termica de Ressano Garcia (CTRG) MGEPP, Mozambique Fuel: Gas Prime movers: 18 X W20V34SG Base load: 165 MW Year of completion: 2014 Scope: EPC Speciality: Dissolved Air Flotation (DAF) + Ultra Filtration (UF) + RO Musandam IPP, Oman Fuel: Gas Prime movers: 15 X W20V34DF Base load: 135 MW Year of tender: 2014 Scope: EPC Speciality: Sea water desalination, beach well & RO Slide 16 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul References 16 Linate airport, Italy Fuel: Gas Prime movers: 3 X W20V34SG Base load: 24 MW Year of completion: 2008 Scope: EEQ Speciality: Trigeneration: Electricity, cooling, heating Makuhari, Japan Fuel: Gas Prime movers: 1 X W20V34SG Base load: 16 MW Year of completion: 2007 Scope: EEQ Speciality: Trigeneration: Electricity, cooling, heating Slide 17 15 / Wrtsil Power Gen Middle East 2015 / Alavillamo, Koul Three-in-one solution! 17 Come and discuss the concept! Booth D14