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اسلاید 1 :

Contents

  • Introduction
  • Approach to the treatment of hydrocarbon &

NORM contamination

  • Treatment of hydrocarbon contaminants – Stage 1
  • Treatment of NORM

ØStage 2 – Solubilization

ØStage 3 – Filtration

ØStage 4 – Polymerization

  • Treatment objectives
  • Proposed pilot & full scale implementation
  • Conclusion

اسلاید 2 :

Dr. Ajay Singh

  • Director of R&D, Petrozyme Technologies
  • Adjunct Professor University of Waterloo
  • Specialization - microbial biotechnology
  • Published in excess of 120 research papers
  • Holds 5 patents
  • Co-authored and edited 5 books related to biotechnology, fermentations, bioremediation and phytoremediation
  • Developed biological waste treatment processes related to the petroleum industry
  • International experience (US, Canada, India, Germany, Japan, Venezuela, Mexico, Saudi Arabia)

اسلاید 3 :

Dr. PerichiyappanSenthilnathan

  • Technical Director of EnviroGem Inc.
  • Consulting advisor to various industries for water and wastewater treatment including Bristol-Myers Squibb, Johnson & Johnson, Pfizer, Merck, Uniroyal, Exxon and Cargill
  • Dr. Senthil is the expert in waste water treatment and has isolated and removed metals & radionuclides from water using selected membrane filters
  • 30 years in waste water treatment

اسلاید 4 :

Peter Cheong

  • Principal, Proxima Cancorp Inc.
  • Director & Founder of Petrozyme Asia Ltd. – currently actively bidding on all major petroleum sludge/contaminated soil remediation jobs in Asia & Middle East
  • Chartered Accountant – PwC, E&W
  • Assembled a team of scientists to provide a solution for NORM
  • Role – project & cost management

اسلاید 5 :

Treatment Rationale

  • Had to look out of the box for a more cost effective solution
  • The risk of NORM comes from small particles of radioactive metals
  • Treat the cause not the symptom
  • Solution had to isolate the NORM and then manage along with other metals

اسلاید 6 :

Treatment Process

  • An advanced four-stage integrated bio-physico-chemical process to treat NORM-contaminated oily sludge & soil from the petroleum industry
  • Each of the stages in this process has been field proven

اسلاید 7 :

Stage 1 – Removal of hydrocarbons

  • biological process for oily sludges
  • physico-chemical process for hydrocarbon-contaminated soils
  • bioreactors and mixers will provide added shielding from NORM for the operators
  • water is an integral part of both these processes

اسلاید 8 :

Stage 1 – oily sludges

  • subjected to bio-treatment in a slurry bioreactor using the patented “Petrozyme Process”
  • microorganisms, a blend of proprietary nutrients and optimized air flow facilitate accelerated biodegradation of petroleum hydrocarbons
  • result is a >90% TPH removal in 8 to 12 days.

اسلاید 9 :

Stage 1 – contaminated soils

  • for low oil-contaminated soils (<8% TPH), “Remsep” is used
  • patented 2-phase remediation & separation process
  • hydrocarbons are separated using hydrophobic sorbents & mobilizing agents in mixers
  • removal of >90% of TPH in treatment periods of 4 to 6 hours.

اسلاید 10 :

Stage 2 - Solubilization

  • solubilization done in tanks
  • process proven on uranium, radium, thorium & strontium
  • proprietary list of reagents containing selected ligands are used to solubilize radioactive & inorganic elements
  • challenge is to ensure no reaction among reagents
  • treated sludge/soil is dewatered & solids are sent to a suitable landfill
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