sadhan dolai

• Sr Process engineer (olefins), SABIC YANPET, Saudi Arabia, since October 2011

I worked as Process operation manager/process engineer/Project engineer for several olefins cracker project with with all state-the-art technologies for olefins.

• Process specialist (olefins), Ingenero, India, June 2010- Oct 2011

• Cracker & Utilities Process Engineer (olefins), Tasnee Petrochemicals, Saudi Arabia, Dec 2007 - June 2010.

• Deputy Manager ( Project/Process), Indian Oil Corporation, India, Feb 2007-Dec 2007

• Process operation Manager (olefins) at Haldia Petrochemicals Ltd., India, Dec 1999 to Dec 2006

• Worked as Manager (Process operation) in ethylene Cracker Unit at Haldia Petrochemicals Ltd.
• Responsible for operation and production management of ethylene plant,
• Ensuring optimization of fired heater, reliability, capacity utilization, enhancing capacity, separation sections.
• Have involved in planning of Pre-commissioning and Commissioning and operation of ethylene Cracker Unit
• Have thorough knowledge of olefins plant process, benzene, Pygas, 1, 3-Butadiene, C4-mix hydrogenation process
• Have Operation and process knowledge for pyrolysis heater, gasoline fractionators, quench tower, caustic tower, de-methaniser, de-ethanizer, de-propanizer, ethylene and propylene fractionators, acetylene/MAPD converter, methanator, chilling train/cold box.
• Provided operation and technical support for Naphtha cracker unit and recycle ethane and propane gas cracking.
• Doing process calculations, technical services, project management and process operation management for Ethylene plant.
• Cracking coils configuration and yield prediction for ethylene cracker
• Plant performance reporting/monitoring/presentation to top management
• Real-Time Optimization with Aspen Plus modeling and offline model run to get prediction with real plant data. Determining parameters for optimization of process operation.
• Involved in energy management processes and energy audit.
• Doing Process calculation, preparation of PFD, P& ID, HAZOP Study, basic mass and energy balance
• Problem-solving skills/ trouble-shooting for plant operation & failure analysis
• SAP end user for PP/MM module.
• Plant process management using Advanced DCS supplied by Tata-Honeywell TDC 3000 & APC DMC plus supplied by AspenTech. Involved in APC & Real Time Optimization implementation process for olefins plant.
• Simulation skill for software like Aspen Plus, Chemcad, PYPS and SPYRO for yield prediction.
• Involved in plant modification implementation and cost-benefit/economic analysis.
• Efficiency / power calculation centrifugal compressor, turbine, pyrolysis heater and plant performance monitoring.
• Process improvement by energy-saving schemes
• Involved in olefins plant capacity expansion study proceeding with vendors.
• Doing steam balance in whole complex and devising most efficient use of steam
• Having exposure to refrigeration system of ethylene, propylene and methane compressor and J-T expansion
• Distillation tower performance (example-ethylene fractionators/methanol fractionators towers) calculation using Aspen Plus software.
• Received quality education certificate from IQL and involve in quality improvement process implementation process in the organization.
• Have heat integration process knowledge in olefins/gas plant
• Working in IT-enabled environment using SAP, LIMS (Laboratory information Management System), Accident and incident system reporting system, Eureka for idea generation system.
• Maintaining HSE norms, quality standard ( ISO 14001 and OHSAS 18001)
• Delivered training to plant personnel.
• Worked as benchmarking team member for project " Steam loss in Naphtha Cracker Unit, team leader for condensate polisher unit RCM (Reliability-Centered Maintenance), in PSS (Problem-Solving Skills), in small improvement project (SIP)

• Process Engineer, Methanol/syn-gas/H2 plant, Rama petrochemicals Ltd., near Bombay, India, Sept 1997 to Nov. 1999.

• Production engineer, Chloro-alkali plant, Standard Alkali, Bombay, India, Aug 1995 to Aug 1997.


Professional Skills and Achievements