Sharon John

Sharon John Email and Phone Number

Unit Leader @ Dow
Freeport, TX, US
Sharon John's Location
Freeport, Texas, United States, United States
Sharon John's Contact Details

Sharon John work email

Sharon John personal email

n/a
About Sharon John

Experienced in production and improvement project engineering at Dow with focuses on:-Optimizing and improving Environmental, Health & Safety metrics, plant performance, production capacity and quality, reliability of plant technology, and waste generation-Understanding, applying, and troubleshooting process technology, equipment, and control technology-Implementing and utilizing most effective technology-Root Cause Investigations

Sharon John's Current Company Details
Dow

Dow

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Unit Leader
Freeport, TX, US
Employees:
124
Sharon John Work Experience Details
  • Dow
    Unit Leader
    Dow
    Freeport, Tx, Us
  • Dow
    Unit Leader
    Dow May 2024 - Present
    Midland, Michigan, Us
  • Dow
    Senior Improvement Engineer
    Dow Mar 2021 - May 2024
    Midland, Michigan, Us
    Industrial Polyglycol Surfactant (Industrial Solutions), Freeport, Texas• Mod 5 to ABB 800xA DCS Migration- $4.1MM Capital Project• Installed new steam heat exchanger for improved production batch heat up rate - $ 1.3 MM Capital ProjectGlycidyl Methacrylate (Performance Monomers), Freeport, Texas• Installed a truck offload station for high hazard raw material epichlorohydrin - $700M Capital Project• Implemented HP EH&S capital project for LEO reduction of 517 / year– $850M Capital Project
  • Dow
    Production Engineer
    Dow Jul 2018 - Mar 2021
    Midland, Michigan, Us
    Acrylic Acid Plant (Performance Monomers), Hahnville, Louisiana• Experienced in operating and optimizing yields for 2 tandem propylene oxidation reactor trains • Extended production run time by 83% and eliminated maintenance cleaning cost by re-traying the acrylic acid finishing distillation column internals • Reduced heavy acrylic acid residue formation and waste disposal costs by optimizing catalyst temperature profiles • Decreased hydroblasting maintenance costs on chronic fouling heat exchangers by optimizing inhibitor concentrations throughout the process • Optimized inhibitor efficiency by implementing liquid chromatography lab method • Reduced flammable gas vapor emissions by 98% at an emission point by modeling and improving a vent scrubber unit operation • Calculated Maximum Allowable Response Times (MART) and created new Operator Response to Alarm procedures for revalidated LOPA scenario to ensure adequate emergency response to high potential process safety scenarios• Additional integrated roles include oxidation team focal point and production coordinator
  • Dow
    Project Engineer Co-Op
    Dow May 2017 - Aug 2017
    Midland, Michigan, Us
    Environmental Operations Technology Center, Texas Operations• Cost savings of $2 million on polymer and coagulants for process water clarifiers by scoping and installing new magmeters and actuated valves to control total suspended solids • Conducting a yearly and site wide comparison on cost and maintenance frequencies to optimize global kiln and clarifier turnaround cost • Scoped and installed new automatic butterfly valves to siphon 30,000 gpm of water out of the plant during emergency flooding
  • Dow
    Production Engineer Co-Op
    Dow Jan 2016 - May 2016
    Midland, Michigan, Us
    Specialty Monomers, Bayport Operations• Implemented high capacity production trial of Quality Monomer by recalculating and updating mass balances, updating safety and procedural documents, and communicating with supply chain to increase raw material requirements per batch cycle• Scoped and installed new Coriolis flow meter to efficiently monitor flow rates and prevent spills during tank wagon loading• Reviewed and marked P&ID’s to locate quarter- turn valves in process lines not in compliance with Dow process safety standards• Implemented an leak tracking tool to monitor the number of days of ongoing leaks that need to be resolved • Installed new differential pressure instrument above and below separation column to monitor residual polymer build up
  • Dow
    Process Automation Engineer Co-Op
    Dow May 2015 - Aug 2015
    Midland, Michigan, Us
    Performance Monomers Technology Center, Deer Park Operations• Programmed PAS Integrity system to run automatic data collection updates on Honeywell and Triconex processors for all DCS systems in Deer Park Operations• Implemented a cost reduction of $40K/year on polymer inhibitors by designing ratio controls in Honeywell processors for the acrylates separation columns • Cost savings of $12K/year by identifying LOPA critical instruments that will reduce proof testing frequency during turnarounds• Investigated and eliminated ~5,000 outdated and unused points from IP.21 process history

Sharon John Education Details

  • University Of Houston
    University Of Houston
    Chemical Engineering

Frequently Asked Questions about Sharon John

What company does Sharon John work for?

Sharon John works for Dow

What is Sharon John's role at the current company?

Sharon John's current role is Unit Leader.

What is Sharon John's email address?

Sharon John's email address is sj****@****dow.com

What schools did Sharon John attend?

Sharon John attended University Of Houston.

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