conceptual design for chlor-alkali and valuable materials production

from oilfield brine

May 2, 2018

ND Oil & Gas Research Program,

ND Industrial Commission

our technical team

•  AmandaGravseth,ChemicalEngineer•  RichHardegger,PointofContact,ChemicalEngineer•  DonKopecky,MechanicalEngineer•  ScoAKorom,PrincipalInvesCgator,GeologicalEngineer•  DanLaudal,UNDIES,ChemicalEngineer•  DanPalo,ChemicalEngineer•  RobWagner,ChemicalEngineer

valuable products from produced water

producedwaterfromtheBakkenFormaConissaturatedwithNaClandincludesthefollowingconsCtuents:

§  potassium§  calcium§ magnesium§  bromine§  lithium

saltwaterbrineisafeedstockforvaluablechemicals:§ chlorinegas§ hydrochloricacid§ sodiumhypochlorite§ sodiumhydroxide§ bromine§ magnesiummetal§  lithium

VALUABLE PRODUCTS FROM PRODUCED WATER

proposedtechnologiesarewellestablished:§ tradiConalchlor-alkalitechnologyusesmercurycells–isbeingphasedout

§ brineisbeingusedinTexastoproducehydrochloricacid•  HClwillbeusedinoil&gaswells•  feedstockisROrejectfrommunicipalwater

VALUABLE PRODUCTS FROM PRODUCED WATER

chemicalsrepresentahugevalue-addedopportunity§  requireslargeamountsoflow-costnaturalgasandelectricity

§ beAermarginsforchemicalsandplasCcsthanfortherawmaterials

§ NorthDakotachemicalindustryispresentlyaboutthesamesizeaswoodproducts

VALUABLE PRODUCTS FROM PRODUCED WATER

thisprojectwillprovethefeasibility:§ allthepiecesarewellestablishedindividually§ readylocalmarketforHCl,NaOH,NaOCl§ veryaAracCveeconomics§ doesnotrequireprocesswater

usesmulCpleprovencomponentsinaninnovaCveconfiguraCon:§ electrodialysis&disCllaContomakeHCl

MechanicalVaporCompressor

2-ChamberElectro-Dialysis

PackedColumn

usesmulCpleprovencomponentsinaninnovaCveconfiguraCon:§ disCllaContomakepurifiedsaltanddisClledwater

Hydroclone

Hydroclone

Mul=-EffectFlash

Evaporator

Vapor Compression

Cystallizer

usesmulCpleprovencomponentsinaninnovaCveconfiguraCon:§ chlor-alkalitomakeCl2andNaOH

Membranetypechlor-alkalicell

VALUABLE PRODUCTS FROM PRODUCED WATER

chlorineproducConfromBakkenbrineopensthedoorforplasCcsusingethane:

§  toomuchethaneinthestate,can’tgetridofit§ chlorine+ethane=PVC§ shippingPVCresinbyrailiseasy§ $10billionethanecrackerbeingbuiltnearPiAsburgh,PA§ diversifyeconomy

conceptual design for chlor-alkali and valuable materials production

from oilfield brine

questions?