evaporave-crystallizers an alterna(ve to shale produced ...€¦ · custom chemistry, high brine...
TRANSCRIPT
Evapora(ve-CrystallizersAnAlterna(vetoShaleProducedWaterDisposal
Copyright©2017SaltworksTechnologiesInc.Confiden>alInforma>on
Agenda
1. Mappingthefit
2. Evaporator–CrystallizerBackground3. RecentInnova>ons4. trueZLDShaleProducedWaterPilotResults
5. Economics
6. Innova>onsinMembranes
Copyright©2017SaltworksTechnologiesInc.
TechnologyMap
TraditionalEvaporators
TraditionalCrystallizers
Salinity(mass%)
OpE
x(Ene
rgy+Ch
emicals+
Labo
r)
CapE
x
8% 22%~10lbbrine
ModernEvaporators&Crystallizers
SaturationLine(SludgeGeneration)
45%11-12lbbrine
80%à Solids18%
MembraneSystems
Copyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
Thinkabout…
• Scalingandpre-treatment($$$)
• Rejectdisposal• Energysource(thermalorelectric)
• Portability• PermiYng
• LifeCycleCost
Copyright©2017SaltworksTechnologiesInc.
Tradi(onalEvaporators
Ø ChemicalsoZening
Ø MVR(power)vs.MED(thermal)
Ø Closed(makewater)vsOpen(vaportoatmosphere)
Copyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
RecentInnova(ons• Horizontaltubes->improvescleaning&visualimpact
• TwoeffectMVR->improvesenergyefficient
• Lowercapitalcosts• Humidifica>onde-humidifica>on
• Extremeconcentra>ons
• Nopre-treatment
• Saveenergy
Copyright©2017SaltworksTechnologiesInc.
SaltMakerEvaporatorCrystallizer
SaltMakerS100(26,000GPD)
RawProducedWater(leU)RecoveredFreshwater(right)
Solids(orconcentratedbrine)
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
ProcessØ Harnesseslowgradeheatat100-194°FforelectricalenergysavingsØ Energyrequirements(@20%overcapacity):electrical20kWh_e/m3&thermal
860MJ/m3@194°F
Saltwaterfeed
Freshwater
Midtemploop
(140°F)
Air
Heat(194°F)
Heatrejectionairin
Effect1
Saltwaterhightemploop(176°F)
Effect2
Air
Effect3
Air
Lowtemploop
(122°F)
Heatrejectionairout
SolidsSolidsblowdown
Effect4Highconc.blowdown
Heatrejectionandsolidsproduction
loop(95°F)
Medconc.blowdown
Lowconc.blowdown
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Evapora(onModule FanModule RadiatorModule
Modular&MassProduced
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Copyright©2017SaltworksTechnologiesInc.
PilotProjects(ShaleGasProducedWater)
WestTexas,USA NEBri(shColumbia,Canada
Copyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
Pilot–WestTexas(MembraneBrine)Parameter Membrane
SystemBrineFreshwater
pH 8.9 3.93
TotalDissolvedSolids 63,000 50
TotalHardness(asCaCO3)
724 3
TotalOrganicCarbon 11.1 2.3
Calcium 143 0.97
Chloride 37,700 13.2
Sulfate <50 0.6
Solids Rawwater&freshwaterCopyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
Pilot–NEBC(ProducedWater)Parameter ProducedWater FreshwaterpH 5.62 3.46
TotalDissolvedSolids 193,000 203
TotalHardness(asCaCO3)
37,300 5
TotalOrganicCarbon 4,970 1,180
Calcium 13,100 1.64
Chloride 120,000 16.4
Sulfate 71 0.7
Solids Rawwater&freshwaterCopyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
IndustrialXYZ
SAGDEvaporatorBlowdown
ShaleGasProducedWater
Parameter(mg/L)
RawBlowdown FreshwaterRecovered
TDS 90,000–300,000 55.6TOC 15,000–50,000 133
Parameter(mg/L)
RawProducedWater
FreshwaterRecovered
TDS 169,540 400TOC 374 31.9
Parameter(mg/L)
RawLeachate RORejectMBR
EffluentFreshwaterRecovered
TDS 35,000 63,000 19,000 135TOC 8,500 5,200 1,400 40
Copyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
Hyperconcentrateyourproducedwater(450,000mg/L++)trueZLD
LandfillLeachate
IndustrialXYZ Oilsandsevaporatorblowdown
ShalegasproducedwaterCONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Ifonecanmakesolids…Onecansqueezetoanybrineconcentra(on
Minimizedisposalvolume
Dialinvolume/density/slurrybalance
Copyright©2017SaltworksTechnologiesInc.
EconomicsofSqueezing
Copyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
Scenarios
180,000mg/LTDS100BPD Evaporator
RejectBrine
FreshWaterEvapCost:$6/BBL
Truck+disposal:$12/BBL
220,000TDS(mg/L)
82BPD
A
TotalCost($/B) $10.9/BBL10%saved
450,000
40BPD
30BPD
600,000(slurry)
$8.4/BBL30%
$7.8/BBL35%
B C
MinimizingCosts&WheretoFocus
3rdPartySite:realestate,zoning,permits $0-4/BBLCapitalEquipment $2.5-$6/BBLEnergy&Chemicals $0.5-$2/BBLOpera>ons $0.5-$2/BBLTotal $4-14/BBL
Copyright©2017SaltworksTechnologiesInc.
- O&Goperator’ssite- Maximizebrineconcentra>on
- Minimizechemicals,sludgeandoperatorneeds
- Balanceenergywithtreatedwaterneeds
FreeStudy:[email protected]
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Copyright©2017SaltworksTechnologiesInc.
TechnologyMap
TraditionalEvaporators
TraditionalCrystallizers
Salinity(mass%)
OpE
x(Ene
rgy+Ch
emicals+
Labo
r)
CapE
x
8% 22%~10lbbrine
ModernEvaporators&Crystallizers
SaturationLine(SludgeGeneration)
45%11-12lbbrine
80%à Solids18%
MembraneSystems
Air Breather
Copyright©2017SaltworksTechnologiesInc.CONFIDENTIAL
MappingtheFit
Copyright©2017SaltworksTechnologiesInc.
“Zone” TDS(mg/L) Flow(BPD) Process
LowTDSAnyFlow
<80,000 Any 1. Membranes2. Evaporators3. SaltMaker
MidTDSHighFlow
80,000–120/150,000
>2,400 2. Evaporator3. SaltMaker
AnyTDSLowFlow
Any <2,400 3.SaltMaker
HighTDSAnyFlow
>150,000 Any 3.SaltMaker
AnyTDSMinimalFlow
Any 20–200 4.AirBreather
EconomicTrade-OffSummary• EconomicsofScale:
– Distributedunits:smallerisbeser?– Centrallylocated:higherflowsforlowercosts?
• Vendors’contribu>on:– Maximizebrineconcentra>on– MinimizeOpEx(chemicals,energy,labour)
• Partnershipview:– Siteloca>ngandpermiYng– Minimizecapitalcost&costofcapital(Terms&Condi(ons)
• Energyopportunity/riskcosts
Copyright©2017SaltworksTechnologiesInc.
AdvancedElectrodialysis(EDR2.0)
Copyright©2017SaltworksTechnologiesInc.Confiden>alInforma>on
ElectroChem:EDR2.0Ø Lowfoulingpoten>alØ ElectrochemicalBrineConcentrator:upto200,000mg/LØ Economicinlet:<40,000mg/L(butcanreach80,000mg/L)
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Prod
uct
Concentrate
Electrolyte
Electrolyte
Cathod
e
Anod
e
Prod
uct
Concentrate
- ++-
++
CEM
AEM
IonFluxIonExchangeMembranesØ Bleach+hydrocarbontolerantØ Ionselec>vecoa>ngs–customizechemistry
Ø Robust,duc>le,broadpHandchemicaltolerance
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Selec(veSepara(ons/RecoveriesØ SeparateBa,Ca,SO4,etcØ RefineNaCl
Customizechemistry–Talktous!
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
SO42-Ba2+
Ca2+
Na+NO3
-Cl-Li+
CustomChemistry,HighBrineConcentra(on
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Parameter(mg/L)
RAWFGDWastewater
ROBlowdowntoCaCl2BrineorOther
CaCl2Brine
Na2SO4Brine
ROPermeate
USAEPAEffluentLimitGuidelines China
DischargeRegula(ons
Discharge(MonthlyAverage)
Discharge(DailyMax)
TotalDissolvedSolids 19,300 28,900 220,700 209,700 120 - - -Arsenic 0.45 4.22 3.06 0.85 <0.0001 0.008 0.011 0.5Bicarbonate(asCaCO3) 120 <1 <1 <1 <1 - - -Boron 175 16400 1190 1240 77.0 - - -Cadmium 0.11 0.02 0.02 <0.01 0.00010 - - 0.1Calcium 3290 310 73230 768 6.0 - - -Chloride 11050 4150 140300 93100 23.2 - - -Chromium 0.05 0.010 0.01 <0.01 <0.0001 - - 1.5Fluoride 9.0 3.4 7.8 0.34 <0.05 - - -Lead <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 1.0Magnesium 1850 173 1580 17.4 2.20 - - -Mercury 0.10 0.02 0.02 0.0002 <0.00001 0.000356 0.000788 0.05Nitrate(asN) 61.0 1145 940 115 0.3 - - -Phosphorus 26.8 402 7.77 375 0.07 - - -Potassium 22.0 412 375 4.14 0.1 - - -Selenium 0.28 5.25 0.10 4.90 <0.0005 0.012 0.023 0.01Silica(Reac>ve) 40 150 <1 <1 <1 - - -Sodium 663 3500 2400 77400 9.3 - - -Stron>um 15.0 56 266 2.82 0.0306 - - -Sulfate 1945 2190 352 36620 3.1 - - 2000Zinc 1.52 0.28 0.26 <0.01 <0.0001 - - 2.0
FreeStudy:[email protected]
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
Copyright©2017SaltworksTechnologiesInc.Confiden>alInforma>on
Ø Recyclepolymer,makemoreoil,savemoney
TreatEORChemicalFloodProducedWater
Operatingprinciple
+-
-
+
+
+
+-
--
+-
Reject
DesalinatedProducedWaterwithPolymer
Anionexchangemembrane
Cationexchangemembrane
Reject
Concentrate Feed Concentrate
+-
Cations(e.g.,Ca2+,Na+)
Anions(e.g.,SO42-,Cl-)
Polymer
CONFIDENTIAL Copyright©2017SaltworksTechnologiesInc.
IncreaseViscosity
Copyright©2016SaltworksTechnologiesInc.
Evapora(ngtoAtmosphere
Copyright©2017SaltworksTechnologiesInc.
PROS CONSNotreatedwatermanagement
Water“lost”locally
Simplerplant Higherenergyconsump>on
5effect 1effect
Costofenergy($/MMBTU)$2 $0.2/B $0.8/B
$5 $0.4/B $2.0/B