new technology for treatment of refinery chemical cleaning

4/3/18 New Technology for Treatment of Refinery

Chemical Cleaning Waste Water

New Technology for Treatment of

Refinery Chemical Cleaning Waste Water

Perry RolandDirector Water Treatment

Vapor Point

Jeff St. AmantPresident/CEO

Vapor Point



Typical Industrial Waste Water Streams

• Chemical Cleaning Operations

• Refractory Exchanges

• Sour Water Stripper Outages/Capacity Limitations

• Pipeline Chemical Fouling

• Storm Water Management

• De-Salter Mudwash & Cleaning Effluent

• Process Waters



Internal Plant Systems Limited in Capabilities & Capacity

• Micro-Emulsions

• Surfactants

• Sour Water (Ammonia and H2S)

• Pipeline Chemicals

Limited Options

• Off Site Disposal Cost Prohibitive

• Internal Treatment Make-up > Discharge

Typical Waste Water Treatment Limitations



The Electrochemical Process

• Flexible application – electrolytic cell

can be customized to fit different

waste streams

• Used for the enhanced separation of

water mixtures



Electrolytic Cell Strengths

• Can be used in separating phases typical in refinery waste streams

• Breaks out TPH, organics, suspended solids, and heavy metals



System Design – Customizable Technology

Em

• Adaptable Footprint

• Solids Management

• Emissions Management

• Highly Adaptable to Changing Water

Streams

• Multi-Stage Treatment Process to

Ensure Water Meets all Quality

Standards

• Staged Filtration Allows for Easy Capture

and Disposal of Solids Waste

• On Site Field Testing to Ensure Water

Quality



Case Study – Gulf Coast Refinery Chemical Cleaning Effluent

Post Electrochemical Treatment (with Electrolyte and pH Adjustment)

Emulation Breaking

and Flocculent

Forming



Filtration and Water Polishing

• Filtration can be necessary at

any point during the process

• Type of filtration will change

based upon discharge standards

• Filtration media will change

based on constituents of water




Post Electrochemical Treatment - After Solids Separation

Some foam remains

after solids

separation

After resting for 6

hours foam fully

collapsed




Bottled Drinking Water Treated Process Water

Foaming Test of Process Water

5ppm Surfactant 1ppm Surfactant

Half Foam

Column

Half of Water

Converted

Full Foam

Column

All Water

Converted




Bottled Drinking Water

Foaming Test of Process

Water

Treated Waste Effluent Sample(0ppm Surfactant)

No

Measurable

Foam




Bottled Drinking Water Treated Process Water

Foaming Test of Process Water (Gas Chromatograph)

Sample with Surfactant Present

IsolatedSurfactant

Pre-TreatmentSurfactant Levels

Post-TreatmentSurfactant Levels

Based on these results we can

measure down to less than 1ppm

We can also correlate these results to a “foam

test” that can be done in the field




Sample 1 = Bottom Tank Draw (Clear, Amber in Color) Sample 2 = Top Tank Draw (Milky, Opaque, Khaki in Color)

T…

R…

0

200

400

600

800

1000

1200

BOD COD TOC

Treated 7.31 187 27.5

Raw 271 1132 221

7.31

187

27.5

271

1132

221

Sample 1 (BOD, COD,TOC)

Treated Raw

TreatedRaw

0

500

1000

1500

BOD

COD

TOC

Treated 26.9 264 36

Raw 386 1204 456

26.9264

36

386

1204

456

Sample 2 (BOD, COD,TOC)

Treated Raw

Treated

Raw

00.10.20.30.40.50.6

Sample1

Sample2

Treated 0 0.0085

Raw 0.435 0.502

0 0.0085

0.4350.502

Benzene Levels

Treated Raw




Summary

• Developed process to reliably field measure surfactant levels

• System proved capable of removing surfactants and other

contaminates from waste water

• Exceeded all refinery waste water standards

• All waste can be separated and captured

• Expanding capabilities to manage other refinery water challenges

new technology for treatment of refinery chemical cleaning

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