Co-ordination Action for Autonomous Desalination Units ... - ADU-RES

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Another MVC-Wind energy system under operation has been installed by ITC in Gran Canaria, Spain within SDAWES project. The system has a water production of 50 m 3 /day. The system is described analytically in Chapter 4. Although, there is an experience on the RES Desalination and successfully applications exist, there is much room for improvement the combination of both technologies by a technical and economical point of view. Therefore it is imperative to carefully analyze the numerous options and to take the right decisions on a comparative basis and according to the characteristics of each specific case. This work constitutes an effort towards this objective. WP2 ADU-RES 13
3. GENERAL GUIDELINES FOR TECHNOLOGIES SELECTION Among the several possible combinations of desalination and renewable energy technologies, some seem to be more promising in terms of economic and technological feasibility than others. However, their applicability strongly depends on the local availability of renewable energy resources and the quality of water to be desalinated. In addition to that, some combinations are suited for large size plants, whereas some others are modular and small sizes are achievable (see Table 3). RE resources are site specific to a large degree. The identification and evaluation of the renewable energy resources in the area, completes the basic steps to be performed towards the design of a RES driven desalination system. Following this, the true cost of water in the locality should be established. Solar energy is considered, as a rather stable source while wind energy could be available also during the night. Additionally, a high correlation between solar energy and water demand (water needs increased in summer where solar potential is increased) makes the use of solar energy more attractive. The selection of the appropriate RES desalination technology depends on a number of factors. These include: • plant size, • feed water salinity, • remoteness, • availability of grid electricity, • technical infrastructure and the • type and potential of the local renewable energy resource. Before any process selection can start, a number of basic parameters should be investigated. The first is the evaluation of the overall water resources. This should be done both in terms of quality and quantity (for brackish water resource). Should brackish water be available then this may be more attractive as the salinity is normally much lower, and hence the desalination of the brackish water should be the more attractive option. In inland sites, brackish water may be the only option. On a coastal site seawater is normally available. Also the plant capacity is an important factor. Desalination plants using membrane technologies are available in a wide range of capacities. Concerning WP2 ADU-RES 14
Page 1 and 2: Co-ordination Action for Autonomous
Page 3 and 4: TABLE OF CONTENTS TABLE OF CONTENTS
Page 5 and 6: during the past decade there has be
Page 7 and 8: 1. INTRODUCTION The need of water i
Page 9 and 10: Researchers are still in the proces
Page 11 and 12: Figure 3 presents the progress of s
Page 13 and 14: example is found in Lampedusa islan
Page 15: (blades, etc.), plus installing two
Page 19 and 20: Among the technologies selection an
Page 21 and 22: system has only cartridge filters f
Page 23 and 24: Fig 8 Block diagram of the Wind RO
Page 25 and 26: • No available supply of water on
Page 27 and 28: Pic. 3 The battery storage system o
Page 29 and 30: • in order to avoid the reduction
Page 31 and 32: on a constant basis and managing th
Page 33 and 34: c. Experiences and Lessons learnt -
Page 35 and 36: electricity for fishing conservatio
Page 37 and 38: Fig 10 Diagram of the control syste
Page 39 and 40: plant and equipment facilities, the
Page 41 and 42: 4.2 WIND ENERGY DRIVEN VAPOUR COMPR
Page 43 and 44: isolation transformer located in a
Page 45 and 46: c. Experiences and Lessons Learnt O
Page 47 and 48: 4.3 PHOTOVOLTAIC DRIVEN REVERSE OSM
Page 49 and 50: PV system (64 modules) and a 19 kWh
Page 51 and 52: c. Experiences and Lessons Learnt D
Page 53 and 54: Table 9 Costs of the PV-RO plant Eq
Page 55 and 56: . System Description The photovolta
Page 57 and 58: 4.3.5 Autonomous PV Water Pumping-R
Page 59 and 60: efficiency of the inverter for vari
Page 61 and 62: c. Experiences and Lessons Learnt T
Page 63 and 64: 4.4 SOLAR THERMAL SYSTEM DRIVEN MUL
Page 65 and 66: The most outstanding solar ME syste
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(considering 50% solar contribution
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- The condensation process should b
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Sfax a. Introduction A solar multip
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4.4.3 SODESA Project, Gran Canaria
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Fig 24 Block diagram of the pilot p
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The pilot MED plant is designed to
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mirror concentrators are tracking t
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each component of the pilot plant.
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that the performance of the pilot p
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4.5 HYBRID POWER SUPPLY PLANT DRIVE
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- pyranometer to measure the solar
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PV Generators 3.9 kW, SM110 ……
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the replacement of the carbon and t
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d. Cost Data The unit water cost wa
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The battery bank than serving provi
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continuously to find and compare th
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5. CONCLUSIONS & RECOMMENDATIONS Ke
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6. DESALINATION RES PROJECTS The su
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Title Programme (EEC) of financial
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Title Regulation (EEC) establishing
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6.1.1. Research / Cost sharing proj
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Title Year Table 14 PV-powered proj
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time. The 4 operating years of the
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Note: As the projects were implemen
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such stand-alone systems are of gre
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The following projects (AQUASOL and
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technology (AQUASOL) technology bas
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A main point for developing the new
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Specific capital costs, €/m3 35 3
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- Solar thermal seawater desalinati
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The anticipated overall cost reduct
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The project tasks comprised: - Modi
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• The development of the collecto
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prevailing at the test site, the co
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transfer fluid. The concept of DEAH
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2005, to be started up in January 2
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• Development and testing of the
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Table 19 Wind energy desalination p
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implementation scheme for decentral
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Optionally an energy storage system
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Pic. 42 View on RO unit on Syros Pi
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unit and membranes are taken into c
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eached the level of technology, whi
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Short description of the project Th
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Table 22 Approximate costs for a ty
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• The cost of drilling and testin
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1. Collection of climatic data, i.e
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The RO plant designed for this proj
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- Generating information on market
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Turkey Water source: Ground & Surfa
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The project team focuses on the des
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9. Preparation of the installation,
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and water needs of the Mersini vill
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France 22% Greece 22% Germany 11% S
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Title Year Multi-stage-flash desali
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Characteristics of the solar fields
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vacuum pump is required upon start-
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salts whose concentration approache
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The operation tests took place at t
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It could be concluded that PV based
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well as to compare DC motor pumps w
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Project title Almeria solar powered
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Project title PV powered lighthouse
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Innovative aspects and conclusions
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Applications include domestic light
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A 32 kWp PV system with 500 Ah/220
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Menorca Wind generator based electr
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Design, manufacturing and installat
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Up to date the wind turbine has bee
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Nicolas, in West France, with wind
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connected to the grid (for back-up)
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daytime as intermediate or peak loa
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N o Acronym Title CODEC CPC collect
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N o Acronym Title SODESA AQUASOL ME
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N o Acronym Title REDDES Wind power
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SDAWES Seawater desalination plants
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No Title Year Lipari island water d
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No Title Year 1.2 MW wind turbine i
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6.1.3 Conclusions Solar thermal: Th
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Membrane desalination Hybridized Sy
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No Title Year PV powered desalinati
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Project title PV powered desalinati
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⇒ A promising battery-less system
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-- strong mismatch +/- very diverse
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technological advancements with a s
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Sea water potable solar � PV-ED p
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• the necessity for mobility of a
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to drive the desalination unit and
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The evaporation paper reduces the v
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thermal seawater desalination syste
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⇒ The model parameters for the ot
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electrical power was supplied by PV
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6.3. Other projects There are many
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Technical Description It is a horiz
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Short description of the project Th
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Project title Project acronym PUNTA
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7. DESALINATION RES MODELS In recen
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user provides as input data: the am
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RES Desalination Models ID Number 1
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ID Number 2 Name of Programme Middl
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Fig. 1, 2 Start up screen and RES p
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The main input parameters for the D
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ID Number 6 Name of Programme ALTEN
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ID Number 7 Name of Programme APAS
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wind and PV power) and conventional
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References G. Ambrosone, et al, “
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Sources for Water Production, 10-12
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APPENDIX 278
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Plant Type & Information Source Sea
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Capacity 22 m 3 /day Desalination T
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Manufacturing Company/Responsible O
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Desalination Technology Multi-Effec
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Page 293 and 294:
Energy System Type Year Commissione
Page 295 and 296:
Page 297 and 298:
Plant Type & Information Source Loc
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Plant Type & Information Source Loc
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Page 303 and 304:
Desalination Technology Energy Syst
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RES Hybrid - Desalination Applicati
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A2. OTHER RES - DESALINATION TECHNO
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- efficient and compact spiral-woun
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• membrane area 6 m² - 12m² •
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pressure loss of the 7m² collector
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enough insulation is available the
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operation period between 10:00am Ma
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BIBLIOGRAPHY [1] E. Obermayr, K. Sc
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[24] M. Abu-Jabal et al, “Providi
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[54] Paulo Cesar Marques de Carvalh
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Co-ordination Action for Autonomous Desalination Units ... - ADU-RES

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