Presentation Water Business 1 Extensive international recognition - PowerPoint PPT Presentation

Presentation Water Business 1

Extensive international recognition Abengoa in Water Abengoa is internationally recognized in the water sector Water Company of the Year 2015 Strategic Project of the Year 2014 2013 Desalination Company of the Year Highly Commended Water Company of the Year 2012 2008 Desalination Company of the Year 2009 Highly Commended Desalination Deal of the Year: Tlemcen Honaine, Algeria 2008 Developer of the Year 2007 2006 Desalination Deal of the Year: Beni Saf, Algeria Highly Commended Desalination Company of the Year 2

Water Businesses Abengoa in Water Hydraulic Infraestructures Municipal Water Industrial Water/Agriculture 3

Introduction • Background 2012. ONEE 100 MLD SWRO (ABG awarded) Later, MAPM wanted 150 MLD SWRO • ABG joint both parts to create a single plant instead of two, creating synergies: marine intake, stand-by equipment, etc. • Final Plant Capacity : 275.000 m3/day 150.000 m3/day of drinking water 125.000 m3/day of irrigation water • Up to 400.000 m3/day in the future, which has already been considered in the current design 200.000 m3/day of drinking water 200.000 m3/day of irrigation water 4

Introduction • Plant Capacity : 275.000 m3/day 150.000 m3/day of drinking water 125.000 m3/day of irrigation water • EPC Deadlines : 32 Months • Main Systems and buildings: Sea Water Intake system Sea Water Intake Chamber Self cleaning filters dosing System Self cleaning filters System UF Dosing System UF System Backwash and intermediate pumping station High pressure Pumps RO System Post treatement system Product water Tanks and pump stations Brine decharge systeme Electrical Rooms and control buildings Other buildings (Warehouse, laboratory, etc …) 5

1 Site conditions 6

Site conditions Site conditions • Access • Weather  Wind  Waves  Tides • Topography • Seabed conditions (Offshore)  Bathymetry  Morphology  Type of bottom (Isopachs) • Soil Conditions: Onshore Geotechnical Investigation  Seismic zone  Type of soil 7

2 Desalination plant design 8

2.1 Desalination plant design. General lay-out 9

Desalination plant design. General lay-out 6 Main Areas - Irrigation Product Water Area - Intake Area - Electrical Substation Area - RO/UF Building - Control Building Area - Potable Product Water Area 10

Desalination plant design. General lay-out Limestone filters -ONEE Irrigation water pond Potable water tank Irrigation water pumping station -Chtouka Limestone filters -MAPM UF system Self-cleaning filters Turbine and outfall chamber Flushing tanks Intake and seawater pumping station RO system Intermediate tanks and RO system feeding pumps 11

Desalination plant design. Main electrical buildings and sub-station Irrigation pumping station electrical building SWI electrical building Sub-station Main electrical building 12

2.2 Desalination plant design. Availability and plant design 13

Desalination plant design. Availability • Design Availability: 98 %  Equipment redundancy  Plants division in two lines  Plants interconnection in the pret-treatment inlet and in the permeate water outlet collector  Independent bakcwash/CEB and flushing/CIP systems for each plant Go Goal  High quality equipment 14

Desalination plant design. Sea water Intake  Sea water intake: o 2 intake pipes of 70% of the future capacity o 3 (2+1S) equipped screening channels , civil work prepare for the future expansion (1 extra channel) o 4 (3+1S) intake pumps , space reserve for an extra pump to fulfill the future expansion requirements o 2 inlet collectors to the desalination plant 70% of the future require capacity 15

Desalination plant design. Sea water Intake  Sea water intake: ONEE-MAPM Future expansion Total Nº of bar screens 3 4 Nº of working bar screens 2 3 Nº of stand-by bar screens 1 1 Nº of travelling band filters 3 4 Nº of working travelling band filters 2 3 Nº of stand-by travelling band filters 1 1 Nº of seawater pumps 4 5 Nº of working seawater pumps 3 4 Nº of stand-by seawater pumps 1 1 16

Desalination plant design. Selfcleaning filters  Self-cleaning filters: o 11+1S selfcleaning filters, 1 per RO skid (150 microns) Installed in two connected lines of 5 and 6 self-cleaning filters + 1 Stand-by unit ONEE MAPM Nº total of selfcleaning filters per plant 6 5 Nº of working selfcleaning filters 6 5 Nº of stand-by selfcleaning filters 1 Total number of installed selfcleaning filters 12 Future expansion capacity: 400.000 m3/d ONEE MAPM Nº total of selfcleaning filters 8 8 Nº of working selfcleaning filters 8 8 Nº of stand-by selfcleaning filters 1 Total number of installed selfcleaning filters 17 17

Desalination plant design. UF system  UF system: Two (2) independent plants , ONEE ´ s and MAPM ´ s plants connected at the inlet points o o Each plant divided into two lines of 50% of capacity o One (1) UF stand-by skid per line o Two (2) independent filtered water tanks with two (2) chambers 18

Desalination plant design. UF system  UF system: o Two independent backwash system , each one consisting of:  3 (2 + 1 S) backwash/CEB pumps  1 backwash tank (2 independent chambers) o Two independent CIP system , each one consisting of:  2 (1 + 1 S) CIP pumps  2 (1 + 1 S) CIP tanks 19

Desalination plant design. UF system  UF system: ONEE MAPM Nº of lines per plant 2 2 Nº total of UF skids 26 22 Nº of working UF skids 24 20 Nº of stand-by UF skids per line 1 1 Total number of stand-by skids per plant 2 2 Future expansion capacity: 400.000 m3/d ONEE MAPM Nº of lines per plant 2 2 Nº total of UF skids 34 34 Nº of working UF skids 32 32 Nº of stand-by UF skids per line 1 1 Total number of stand-by skids per plant 2 2 20

Desalination plant design. RO system  RO system: Two (2) independent pants , ONEE ´ s and MAPM ´ s, connected at the product water delivery o o Each line divided in two lines of 50% of capacity o Dedicated HPP and Booster pumps per RO skid o Energy recovery system by high efficiency isobaric chambers (ERI) o One (1) independent CIP system for each plant , designed for the cleaning of 1 RO skid o Spare of the main pumps in workshop :  1 HPP ´ s feed pump  1 ERD feed pump  1 HPP pump  1 Booster pump  1 ERD module per EDR installed skid 21

Desalination plant design. RO system  RO system: ONEE MAPM Nº of lines per plant 2 2 Nº of HPP feed pumps 6 5 Nº of working HPP feed pumps 6 5 Nº of ERD feed pumps 6 5 Nº of working ERD feed pumps 6 5 Nº total of RO skids 6 5 Nº of working RO skids 6 5 22

Desalination plant design. RO system  RO system: Future expansion capacity: 400.000 m3/d ONEE MAPM Nº of lines per plant 2 2 Nº of HPP feed pumps 8 8 Nº of working HPP feed pumps 8 8 Nº of ERD feed pumps 8 8 Nº of working ERD feed pumps 8 8 Nº total of RO skids 8 8 Nº of working RO skids 8 8 23

Desalination plant design. UF and RO system RO skid Filtered water tank 5 units 2 chambers 25.150 m3/d 1200 m3 UF backwash UF skids Self-cleaning filters 2 x (10 + 1S) pumps 11 + 1S 3 (2 + 1S) UF CIP system ERD feed pumps 5 units HPP feed pumps 5 units HPP feed pumps 6 units RO skid 6 units 25.150 m3/d ERD feed pumps 6 units UF backwash UF skids Filtered water tank pumps 2 x (12 + 1S) 2 chambers UF CIP system 3 (2 + 1S) 1200 m3 24

Desalination plant design. Product water tanks  Product water tanks: o Potable water tank: 1 concrete tank of 35.000 m3 of capacity divided in (2) two chambers o Irrigation water pond: 1 pond of 42.480 m3 of capacity  Irrigation pond and one potable water tank chamber connected to facilitate maintenance labors 25

Desalination plant design. Irrigation water pump station  Irrigation water pump station: o 4 (3 + 1 S) pumps o Reserved space for one extra pump for the future expansion 26

Desalination plant design. Chemical storage and dosing pumps  Chemical storage and dosing pumps: The design of each dosing system is similar and includes: 2 bulk or preparation tanks (2x50 % capacity) (x+1) dosing pumps Tanks and pumps installed in a bund with protection canopy 27

Desalination plant design. Chemical storage and dosing pumps  Chemical storage and dosing pumps: A storage room is also considered for chemicals such as: sodium metabisulfite, antiscalant, citric acid and others required for the membranes maintenance An storage area for limestone big bags is also considered 28

Desalination plant design. Accessibility and 2.3 maintainability 29

2.4 Desalination plant design. Materials 30

Desalination plant design. Materials According to international standards, summarazing: • Main Pumps: Superduplex (parts in contact with seawater or brine) AISI 316 (parts in contact with permeate and potable water) • Tanks:  Seawater or brine tanks: RRCC  Product water tank: RRCC / Earth pond  Permeate water tanks: RRCC or CS epoxi coated or GRP depending of the size 31