Aspen Plus
PUSPEN CHOWDHURY
Chemical Engineer
Chandannagar
Summary
Experienced and results-driven professional with over ten years of expertise in the oil & gas industry, specifically in the air separation unit. Currently serving as a senior consultant at AVEVA Group for APA, RTO, and APC. Previously held the position of senior manager and technologist at Reliance Industries Ltd, where managed the gas cracker unit, ethane storage and transport facility (cryogenic unit), and hydrogen generation unit at the Jamnagar Refinery in Gujarat. Proficient in the ethane cracking process, converting ethane to ethylene, as well as hydrogen generation process. Prior to that, gained three years of valuable experience working at two large air separation units - Linde India Ltd's 2*1000 TPD oxygen plant located within the premises of TATA KPO in Kalinganagar, and Inox Air Products Ltd as a process engineer at their 1250 TPD oxygen plant inside Bokaro Steel Plant-SAIL. Additionally, have six months of experience in carbon black-process at Himadri Chemicals & Industries Ltd. Skilled in scheduling plant activities, diagnosing and troubleshooting faults in process fields, and enhancing operational effectiveness through knowledge of a wide range of instrument datasheets. Possess strong analytical and communication skills with expertise in design, design review, flow calculation, pipeline engineering, and more.
Overview
2025
2025
years of professional experience
7
7
years of post-secondary education
1
1
Certification
3
3
Languages
Work History
Senior Consultant
Aveva Group Limited
1 2023 - Current
- Work Profile involves Site Survey, FDS Engineering, FAT, Commissioning, Post Commissioning Support for Mass Balance Error Solver Projects
- Working with our Customer Site and act as a bridge between AVEVA and the Customer and their stakeholders
- Collaborating with members of your immediate team with the goal of further educating ourselves, stakeholders, and customers on how to deliver and maintain our products in the most efficient manner
- Working as part of our development teams with the common goal of delivering the customer a top-quality product
- Being a key asset deploying, maintaining, and supporting server-side components in the field
- Having the confidence to challenge the norm, push boundaries and drive change
Technologist (Senior Manager)
Reliance Industries Ltd
01.2020 - 12.2022
- Performed Pump Hydraulic for a Newly installed Ethane Pump in Cryogenic Unit
- Reviewed Process Data Sheets of Pump for replacing old Pump, submitted reviewed pump datasheets to the Vendor
- Review of Vendor datasheet for Pump with Process P&ID
- Delivered exceptional customer support by resolving technical issues promptly and effectively, leading to increased client satisfaction and retention.
- Coordinated inventory supplies and equipment to maximize team productivity.
- Established a culture of continuous learning and professional development within the technology team, enhancing overall skills and capabilities.
- Review Column Data Sheets for Ethylene tower (Cryogenic Temperatures) & submitted to Process Licenser, UOP due to requirement of capacity enhancement to increase Ethylene Production
- Performed relief calculation and review with Vendor data sheet
- Performed Calculation of HC Losses from the Main Flare of entire complex
- Pressure Drop calculation in MP Steam line
- Monitor Advance Process Control and Real Time Optimization for Gas Cracker Unit for improvement
- Review of Furnace Coil Performance to increase the run length, to reduce decoking
- Mass Balance checking for entire Petrochemical Complex by using Sigmafine software to minimize Product Losses
- Performed Simulation in Aspen-Hysys of requirement of MP Steam from a new line in flare
- Involved in Petrochemical Plant & ASU Mega Shut down activities like Pre & Post Inspection of Chemical Equipment's
Shift Engineer (Manager)
Reliance Industries Ltd
02.2017 - 12.2019
- Vendor Co-ordination activities for Stack Gas Compressor Unit
- Review of vendor data sheet to meet Process Requirement
- Passivation & Hydro test pressure checking of Compressor after cooler at site
- Issue E-Permit through SAP for any Plant Maintenance activity
- Prepared & Review SOPs, 'SOCs', Cause & effect diagram
- Monitor APC and RTO for Plant Optimization and improvement
- Done Pre-commissioning, Commissioning, PSSR, MRT for Stack Gas Compressor Unit with co-ordination with Vendors
- Anticipate constraints/trends/ in technology and product application range and review and recommend alternatives for implementation
- Generate OMPro Report for the Shift
- Managed shift schedules, coordinating employee leaves and overtime to maintain optimal staffing levels at all times.
- Improved plant efficiency by conducting regular equipment inspections and implementing preventive maintenance strategies.
- Enhanced system reliability through thorough monitoring of operational parameters and making timely adjustments as needed.
- Ensured safety compliance by conducting regular training sessions and maintaining up-to-date knowledge of industry regulations.
- Played a key role in new equipment installations, providing technical expertise during commissioning activities to ensure successful integration into existing systems.
Operation & Maintenance Engineer
Linde India Ltd
04.2016 - 02.2017
- Plant Startups & trouble shooting activity
- Participated in Hazop review meeting, PFD and P&ID modification for Main Air Compressor Unit, Cost benefit analysis, PSSR, Close out reports
- Checking of safe operation of Plant, Monitor Specific raw material consumption to optimize the Power
- Consumption of Air compressor
- Monitoring specific consumption of raw material, catalyst and chemicals and study deviations
- Worked on energy saving schemes
- Analysis all the trends globally through i-historian
- Performance Guarantee test with TATA KPO as per their requirement
- Participated in Process Hazard Analysis (PHA)
- Involved in Plant Thawing & Plant Mega Shut down activities
- Prepared & circulated Internal MIS, Customer MIS
- Participated in process improvement initiatives aimed at streamlining workflows, reducing waste, and increasing overall effectiveness.
- Reduced downtime with timely troubleshooting, diagnosis, and repair of operational issues.
- Conducted root cause analysis on recurring issues, identifying long-term solutions that reduced future incidents.
- Increased productivity by overseeing the implementation of new systems and processes in line with industry standards.
- Led emergency response efforts during unplanned outages, minimizing disruption to business operations while maintaining safety as a priority.
Shift Engineer
INOX Air Products Limited
03.2014 - 03.2016
- Plant Startups & troubleshooting activity
- Managed shift schedules, coordinating employee leaves and overtime to maintain optimal staffing levels at all times.
- Enhanced system reliability through thorough monitoring of operational parameters and making timely adjustments as needed.
- Improved plant efficiency by conducting regular equipment inspections and implementing preventive maintenance strategies.
- Ensured safety compliance by conducting regular training sessions and maintaining up-to-date knowledge of industry regulations.
- Played a key role in new equipment installations, providing technical expertise during commissioning activities to ensure successful integration into existing systems.
- Assisted in the development of operating budgets, using historical data and projected needs to make informed financial decisions for the department.
- Collaborated with cross-functional teams to identify areas for improvement and implement strategic solutions that boosted overall performance.
- Implemented energy-saving measures throughout the facility, resulting in significant cost savings over time without compromising operational efficiency.
- Participated in Hazop review meeting, PFD and P&ID modification for Main Air Compressor Unit, Cost benefit analysis, PSSR, Close out reports
- Checking of safe operation of Plant, Monitor Specific raw material consumption to optimize the Power
- Consumption of Air compressor
- Monitoring specific consumption of raw material, catalyst and chemicals and study deviations
- Worked on energy saving schemes
- Analysis all the trends globally through i-historian
- Involved in Plant Thawing & Plant Mega Shut down activities
- Prepared & circulated Internal MIS, Customer MIS
- Participated in process improvement initiatives aimed at streamlining workflows, reducing waste, and increasing overall effectiveness.
- Reduced downtime with timely troubleshooting, diagnosis, and repair of operational issues.
- Conducted root cause analysis on recurring issues, identifying long-term solutions that reduced future incidents.
- Increased productivity by overseeing the implementation of new systems and processes in line with industry standards.
- Led emergency response efforts during unplanned outages, minimizing disruption to business operations while maintaining safety as a priority.
Education
Bachelor of Technology - Chemical Engineering
Heritage Institute of Technology
Kolkata, West Bengal 01.2010 - 01.2014
Diploma - Chemical Engineering
Hooghly Institute of Technology
01.2010 - 01.2011
Higher Secondary - undefined
West Bengal Council of Higher Secondary Education
01.2006 - 01.2008
Skills
Consulting
Accomplishments
- Received INOXAP award for excellent firefighting skills.
- Winner of Linde's Global Innovation Challenge award, 2016.
- Received award from Reliance Industries Ltd for excellent performance evaluation of all running equipments in Ethane Plant (Cryogenic Unit).
- Certified in Compressor Performance from Aveva Group.
Personal Information
Date of Birth: 11/08/89
Software
Aspen Hysis
HTRI
AutoCAD
Certification
Process Competency Training - Centrifugal Compressor
Interests
Process Safety Management
Technical Services
Operation Management
Timeline
Process Competency Training - Centrifugal Compressor
10-2024
Technologist (Senior Manager)
Reliance Industries Ltd
01.2020 - 12.2022
Shift Engineer (Manager)
Reliance Industries Ltd
02.2017 - 12.2019
Operation & Maintenance Engineer
Linde India Ltd
04.2016 - 02.2017
Shift Engineer
INOX Air Products Limited
03.2014 - 03.2016
Bachelor of Technology - Chemical Engineering
Heritage Institute of Technology
01.2010 - 01.2014
Diploma - Chemical Engineering
Hooghly Institute of Technology
01.2010 - 01.2011
Higher Secondary - undefined
West Bengal Council of Higher Secondary Education
01.2006 - 01.2008
Senior Consultant
Aveva Group Limited
1 2023 - Current
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