potable water company
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1 potable water company households public water treatment RO Industr ial water company (RO) Dow productio n units Dow water treatment vulnerable surface water Dow cooling towers scarce water source altern . water source anothe r water source Internal Evides Dow connection 0 % 0 % 0 % 0 % External Water board - Evides - Dow connection New definition of zero discharge 3 * 3 = 3 “Dow” mathematics of sustainability PPP Global Reporting Initiative (GRI) report & Corporate Report. 2007
description
Global Reporting Initiative (GRI) report & Corporate Report. 2007. 3 * 3 = 3 “Dow” mathematics of sustainability PPP. scarce water source. 0 %. potable water company. households. public water treatment. 0 %. Ex ternal Water board - Evides - Dow connection. 0 %. - PowerPoint PPT Presentation
Transcript of potable water company
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potablewater
company
householdspublic water
treatment
RO
Industrial
water compan
y
(RO)
Dow production
units
Dow water treatment
vu
lnera
ble
su
rface
wate
r
Dow cooling towers
scarce water source
altern. water source
another
water source
Internal Evides Dow connection
0 %
0 %
0 %
0 %
External Water board - Evides - Dow connection
New definition of zero discharge
3 * 3 = 3 “Dow” mathematics of sustainability PPP
Global Reporting Initiative (GRI) report & Corporate Report. 2007
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Global Reporting Initiative (GRI) report & Corporate Report. 2007
• Mind setting:– Water business & sustainability is unique
• Water COLD ≠ energy
• Water = team play
• Water in the region & current performance
• Water quality
• Conclusion:– COLD water independent of oil price & other raw materials– Water price < 1 ‰ of total industrial production cost– Regional water issue– Scarce water sources first to households = hygiene first– Industry can perform with less quality– Quality control & ultra pure come first in industry– Sustainable quantity improvements will then follow
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Solving global problems• Most people will (soon) live in mega cities than instead of rural areas
• Most mega cities will be situated in a river delta or at the coast.
• Health and safety risks will increase
• Pressure on the water systems will grow
• PPP is a solution to these challenges
• Household wastewater recycling concept: – Urban regions with water problems– Source for local industries
• Key elements: = Time & Temperature & Risk Mgt. &. ….Science & Technology (= TUD)
≠ €’s & ultra pure
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• Science & technology regarding water & energy chain– Reference potable water= heating ≤150 Wth.household-1public oblivious – Potable water = hygiene ≤ 10 We.household-1 = 50 kg CO2.a-1
– Municipal waste water = ecology ≤ 20 We.household-1 for O2 mainly
– Industrial water = risk mgt ≤ 60 We.household-1 for RO mainly
• 5 – 50 years time table to incorporate the water chain– Industrial water integral part– Complex chemical matrix & ultra pure needs– Natural follow-up for existing potable & municipal waste water– Science & technology approach is unique & consistent
• COLD water independent of oil price & other raw materials• “gezondheidstechniek” of Water mgt at Civil dep. Dia 62; oil- & water- price since 1989 - 2005• Sanitation basics = 1.000 m3.a-1.household-1 including rain.• Energy basics = 6 kWth per person• Transport: 1 m3 * 1 bar * 10 mWk.bar-1 * 9.8 m.s-2 * 103 kg.m-3 = 100 kJ per m3 water• Heating: 1 m3 * 25°C * 4.18 kJ.kg-1 * 103 kg.m-3 = 100 MJ per m3 water• Compressing: 1 Nm3 air * 1 bar * 104 kg.m2.bar-1 * 9.8 m.s-2 = 100 kJ per m3 air.• Compressed air below 1 mWk = 2,000 kJ per kg oxygen .
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• Road to sustainable integral chain of events; internal factors– Back to Basics:
• Focus on previous, current and next water user
• Trouble free exchanger life time for decades = every pipe centuries• 2 mm of carbon steel only• Energy conservation = clean heat exchangers• Reliability = clean heat exchangers• Thermodynamics: predict clean heat exchangers
H2O = (re-use as) cooling water & customer vulnerability
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WUR Capita Selecta ETE-50403 May 6th – June 24th 2008
(Waste) Water Treatment & Reuse
Public – Private – Partnership
Lambèr Paping, Leon van Miert, Cees van Houwelingen, Niels GrootAlbert Veraart, Hans Huiting, Sjaak van Agtmaal, Marc Slagt, Piet de Boks,
A. Wrangel, R.Haug
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Hist
ory
Salty environment Terneuzen
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Sweet surface water….or re-useSweet surface water….or re-use10 km
Antwerp Harbour Docks
Vlissingen
Antwerp
Scheldt
Scheldt estuary
North Sea
Dow
Braakman
Hist
ory
6 million m3 storage
The Netherlands
Belgium
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potablewater
company
households
Industrial production
units
( vu
lnera
ble
) s
urf
ace
wate
r
Industrial cooling towers
(scarce) water source
3 * 3 = 9 the world even until the last century
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potablewater
company
householdspublic water
treatment
water
plant
Industrial production
units
Industrial water
treatment
vu
lnera
ble
su
rface
wate
r
Industrial cooling towers
(scarce)
water source
No direct “industrial community connection”
3 * 3 = 9 The world changed “70-th” in each region
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potablewater
company
householdspublic water
treatment
Industrial
water compan
y
Dow production
units
Dow water treatment
vu
lnera
ble
su
rface
wate
r
Dow cooling towers
scarce water source
altern. water source
another
water source
Internal Evides Dow connection
0 %
0 %
No direct “Dow connection”
3 * 3 = 6 “Dow” mathematics of sustainability PPP
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potablewater
company
householdspublic water
treatment
RO
industrial
water compan
y
(RO)
industrial production
units
ind. water treatment
vu
lnera
ble
su
rface
wate
r
powerplant
cooling towers
scarce water source
altern. water source
another
water source
Internal Evides Dow connection
0 %
0 %
0 %
0 %
External Water board - Evides - Dow connection
New definition of zero discharge
3 * 3 = 3 “Dow” mathematics of sustainability PPP
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Global Reporting Initiative (GRI) report & Corporate Report. 2007
Effluent Recycle to Cooling tower; ongoing improvements
Annual Recycle to DECO
0
50
100
150
200
250
300
350
400
450
500
2000 2002 2004 2006 2008 2010 2012 2014 2016
Year
m3/
h (
ann
ual
ave
rag
e)
Avg Hourly Recycle
2 X
0 X
1 X
Goal 2008:
2X 3,000,000 m31X 2,800,000 m30X 2,500,000 m3
2008 YTD (26 Sep) 1,938,000 m³ = 306 m3.hr-1
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problemen verpomping
0
100
200
300
400
500
600
700
800
uren
verpompt 355 622 398 705 727 655 447 212
Toc 78 0 22 5 3 0 137 2
us/cm 78 46 10 14 38 33 19 0
troebelheid 52 1 163 19 9 32 195 31
pH 0 0 0 0 0 0 0 0
Deco #oke 251 50 189 14 0 13 90 78
Dow #oke 146 37 138 31 39 72 221 24
Dow+Deco oke 0 0 0 0 0 0 0 0
jan feb mrt april mei juni juli aug sep okt nov dec
Global Reporting Initiative (GRI) report & Corporate Report. 2007
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salt
sweet
Wastewatersuppliers
Conductivity,P, N
Dischargeto river
Evides DECO plant
Dow WWTPsegregation
ConductivityPhosphateAmmoniumSuspended solidsOrganicspHTemperatureOxygen
Surface Waterreservoirs
(Belgian polders)
DowCooling TowerConductivity
NutrientsOxygen
Blow downto river
Water treatment (pH, P, Zn, free oxidant)concentration factor,debris, dosage control
Nutrient Addition &Control
Water Reuse - Chain Complexity
Fresh / recycleratio
Process stability requires advanced chain control
Evaporation
In red: introduced later
Basins
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Dow
in T
erne
uzen
Terneuzen Water Quality Management
• Quantity• Site specific
• ………...Quality– Sweet– Waste components Zn & P become raw material– 35 % savings
Zn2+ PO43-
Zn2+ PO43-
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H2O = (re-use as) sustainability & success factors
• Accept industry as part of the solution– Public Private Partnership PPP = regional integration– Potable water first for the “kids” = hygiene– Municipal waste water to industry= €
• Delivery– Multi raw water sources– Reliability of delivery & ultra pure– Sustainable water source
• Dow Terneuzen– 50 % internal water recycle
• 80 % sweet WWTP re-use
– Energy savings• 55 kTon CO2 equivalent = 90 % of 240 kJ.kg-1 demiwater MSFE• 2 kTon CO2 equivalent = 65 % based on RO-salt to RO sweet
