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Hacène SEBTI

Chemist/Chemical Engineer

Toronto - Canada

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I am looking for technical missions of studies of engineering, research and development, in the fields of chemistry and process industry. With the combination of my M.Sc in Chemistry and Chemical Engineering I have a good knowledge in various aspects of these fields. My relevant experience includes almost 2 years in the Desulphurization unit for gas and water treatment at the largest coal-fired power plant in France where I improved the reliability and the performance of this process. I gained extensive experience in an environmental laboratory, maintenance work, and process improvement.

A former student at

 Université Nantes (Faculté des Sciences)

Since 2008: Bantrel

Process Engineer
Sector: Petroleum - Exploration - Production - Refining

2006 - 2007 : Acsystème

Chemical Engineer
Resident expert in the installation of the Flue Gas Desulphurisation (FGD) unit for gas and water treatment at the largest coal-fired power plant in France

Investigations to improve the reliability and the performance of FGD units
• Evaluated the pH adjustment levels in the scrubber which enhanced the degree of desulphurisation by 2%
• Determined propositions to improve the availability of centrifuges used for dehydrated gypsum to avoid increased scrubber density which leads to Unit closures saving 400 k€
• Participated in studies to re-inject the sludge from the waste water treatment in the gypsum process: profits generated by the mixing of sludge could reach 300 k€/year
• Developed maintenance plan for the main equipment of the desulphurisation process to ensure reliability of the units by using the FMECA method
• Created an internet site: http://amdec.fmeca.free.fr

Researched to maintain the nitrate threshold in effluent from waste water treatment
• Researched major processes suitable to reduce the concentration of nitrate
• Identified the origin of the nitrate by using isotope ratio mass which resulted in avoiding the construction of a new step treatment Unit saving 65 k€/year
• Located the biological link between the presence of buffer additives in the scrubber that enhance the degree of desulphurisation and the reduction of the quantity of nitrate in water which helped to reduce capital investment to respect environmental regulations
• Developed HPLC methods to quantify nitrates in water
Sector: Engineering - Projects

2005 - 2006 : EDF

Graduate Engineer Trainee
Maintenance optimisation for linings and coatings used in Flue Gas Desulphurization units
• Established and conducted quality control programs: determination of non-destructive and destructive controls to perform on elastomer
• Authored a bibliographic Study « Methodology to study the aging of polymer »

Investigations to improve the yield of FGD units
• Developed experiments to test organic additives which improved SO2 removal efficiency of EDF’s Desulphurization units from 2-6% saving over 1 Million €
• Developed and conducted analysis methods titration to quantify organic acid in scrubber
• Analysed environmental contaminations (metals, TOC) in water by using AAS, HPLC, etc
• Ensured quality control of gypsum products by using TGA, Laser particle, Colorimetry
Sector: Water - Electricity - Gas

2004 : THE SOAP WORKS

Chemist (Volunteer)
Assisted in synthesis of different soap preparations Performed administrative duties
Provided customer service
Sector: Cosmetic - Perfume - Hygene products

Hobbies

RUGBY
- Athlete of Distinction in Rugby at National and University Levels
- Played in international Rugby tournaments with regional teams
- Participated in the French selection for the Rugby Junior V nations tournament