DHAYANITHI PACHIAPPAN

Innovative and results-driven Lead Process Engineer with over 20 years of experience in chemical process design, project management, and plant optimization. Proven ability to scale up processes from bench to commercial scale, delivering significant cost reductions and enhancing operational efficiency. Expert in process Design, root cause analysis, safety compliance, and mentoring cross-functional teams. Recognized for developing creative solutions to complex problems, driving enterprise value, and ensuring project success from both EPCM and client perspectives. One of my unique experiences includes managing the full cycle of a Major Capital Project (carboxylate project, $300M) from conception through design, construction, commissioning, and optimizing to achieve full design capacity.

• Member, American Institute of Chemical Engineers (AIChE)
• Member, Institution of Chemical Engineers (IChemE)

• Six Sigma Green Belt Certification
• Process Safety Management (PSM) Training
• Project Manager certification, Chevron Corporation

• Recognized by Chevron for Lean Sigma project execution with documented cost savings.
• Commended by ExxonMobil for the successful management and delivery of over 20 small-scale projects.
• Nominated for CHEVRON president award in 2024 for resolving OL216Q slow filtration issue which is global Oronite issue across the regions.

• Leadership in Complex Project execution: Successfully led cross-functional teams through the full project lifecycle of major capital projects, ensuring on-time delivery and operational excellence in the Carboxylate Project.
• NASCAR Carboxylates Scale-Up: Successfully transitioned a pilot process to commercial production, optimizing design to cut costs and reduce the project timeline.
• Evonik ME5 Project: Led process engineering efforts on a $750 million Acrolein unit, ensuring on-time delivery of critical engineering documents and smooth project execution.
• Cost saving Initiatives: Implemented design changes and operational improvements that resulted in over USD 5 million in savings, demonstrating a strong command of chemical engineering principles. Few examples below
• Reduced waste generation through optimizing centrifuges, Schenk filter and Xylene dryer operation, saving $800K annually.
• Reduced BCT for component OL16300X from 7.5 hr to 5.5 hr through optimizing lime charging sequence, resulted in 20% capacity gain saving $1.5M in imports.
• OL216Q slow filtration issue resolution globally, reduced waste by 40% and also enabled increased capacity by 30%, saving $2 M annually.

• Pokala Shanmugam Sridhar, Sridhar.pokala@siemens-energy.com, +6583394970
• Tequi Pierre, tequ@chevron.com, +33 622694403