Nathan Mayse

Unit Process Engineer

Summary of Experience

Mr. Mayse has over 5 years of process design and production experience within the chemicals and polymers industry. His experience includes production support, process design, process troubleshooting, updates to material balances, P&IDs and PFDs, root cause projects, relief device design, among other process functions including the primary process lead engineer for capital projects.

Detailed Experience

Vertellus Specialties Inc. Jul. 2014 to Present

Unit Process Engineer

Responsibilities include:

• Plant Operations and Maintenance Support (Process/DCS Design, Improvements, & Troubleshooting) for two units that produce specialty chemicals for use in agriscience, catalysts, detergents, adhesives, etc.

• Capital Project Management (Projects ranging 20.0K to 1.0MM)

• Exposure to Six Sigma techniques to lead and develop resolutions to reduce and eliminate causes of product impurities and resolutions to problematic downtimes

• Maintain and present frequent updates for production performance

• Technical support for MOC / PHA / PSSR / HAZOP / LOPA reviews

• Maintain long lead time equipment/parts inventory, plus developed a statistical analysis to prolong equipment life and replacement predictability

• Weekly safety audits for process areas

• Develop and update operation procedures and provide operator training

• Lead group and independent Root Cause Analysis Evaluations / Investigations

• Update P&IDs, Material Balances, PFDs, Relief Device Calculations, etc.

• Confined Space Entry Rescue member and Emergency Response Team member

Projects with Potential Operation and Downtime Savings:

• Reduce reactor replacement and reactor accessory replacement cycles (105K / year)

• Vent Scrubber Replacement (200K / yr)

• Third reactor for equipment turnaround (800K per reactor switch)

• Trailer rental reduction (100K / yr)

• Third Receiver Installation (250K / yr)

• High Impurity Root Cause Analysis (240K / yr)

Jacobs Engineering Group Feb. 2011 to Jul. 2014

Process Engineer II

2 Years as a Design and Production Engineer for a client.

Responsibilities include development of deliverables:

• Plant Operations Support (Process/DCS Design, Improvements, & Troubleshooting) for two units that produce monomers and polymers

• Develop a proactive response to pump failure

• Capital Project Management (Projects ranging 20K to 200K)

• Management of Change and Prestart-up Safety Review Coordinator

• Develop reuse of process equipment

• Technical support for MOC / PHA / PSSR reviews

• Provide instrument, piping and equipment specifications

• Develop and update operation procedures and provide operator training

• PSM Critical Design Improvements

• Root Cause Analysis Evaluations

• Update P&IDs, line lists, tie-in lists, equipment lists, etc

Process Design Lead Engineer and Support Experience include:

• Demolition of a Spent Acid plant, several Monomer process units, & a Phosgene unit (10.0MM Project w/ 5.6MM Savings, Lead Process Engineer)

• PSM piping installation & demolition (10.0MM Project, Lead Process Engineer)

• Chemical offloading equipment (2.0MM Project, Lead Process Engineer)

• Equalization Tank Replacement for Waste Treatment (2.4MM Project)

• Replacement of Control Valves (0.2MM Project, Lead Process Engineer)

• Fire Main Replacement (1.2MM Project)

• Potable Water Main Replacement (1.0MM Project)

• Demolition of aluminum stretcher and shear systems including utilities and associated cranes (0.4MM Project, Lead Process Engineer)

• Relief Device Design and Documentation

The Resource Group Mar. 2009 to Feb. 2011

Technical Support Analyst

Wal-Mart Pharmacies Jun. 2008 to Jul. 2009

Pharmacy Technician / Stocker

Yum Corporation Jul. 2002 to Mar. 2008

Shift Manager / Employee Trainer

Education

B.S. Ch.E. Aug. 2010; WVU Institute of Technology, Montgomery, WV

Technical Certificate, Environmental Eng. Tech; Carver Career Center, Malden, WV

Professional Training / Certifications

Pressure Relief System Design Seminar; Belle, WV

HAZWOPER – Technician Level; Indianapolis, IN

TWIC Access: Huntington, WV

Aerial Lift Operator Training; South Charleston, WV

Additional Skills

Proficient in the following software:

Microsoft Office, SAP, Minitab, Aspen Hysys, Adobe Acrobat, Fathom, MathCad,

Matlab, Bentley Microstation, AutoCAD

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