1. Name: zhanyun Liu Birthdate: 17th
Sep. 1966
CURRICULUM VITAE
Career History
BLNG Technical Advisor, Shell Eastern Petroleum Limited, Apr. 2016 – Jun. 2016
- Providing process safety support for LNG operating asset
- Providing technical advice for LNG plant operation;
- BLNG Onsite support for AIPSM.
Process Engineer Lead, Shell China Exploration and Production Limited, Sep. 2012 – Mar. 2016
- Solid experience and knowledge of natural gas processing plants;
- Highly skillful in process simulation (Pro II), pipeline network calculation (PipeSim) and heat transfer
calculation (using HTRI);
- Highly experienced in all calculations related to process facilities (such as pipeline and equipment size,
control valves, safety relief valves, etc.);
- Shell Certified process engineering TA2;
- Developed CBII (Changbei II) Overall Surface Facilities Concept (well clusters, field pipeline network,
gas processing plant, utilities and waste water treatment unit, compression stations, etc);
- Integrate CBII facilities with existing Changbei facilities with cost avoidance of multi-million USD;
- Led design of CBII Appraisal compressor package ahead of schedule
- Provided operation support (optimization, plant commissioning/startup and closure of HAZOP action
items) for Changbei Natural Gas Processing Plant (CPF- Central Processing Facilities);
- Hands-on experience of Shell HAZID, HAZOP and HEMP;
- Solved outstanding (7 yrs) process problem of low methanol recovery yield (improved to >99.5wt% from
<5wt%) using Pro II simulation;
- Found an unique solution to outstanding waste water problem to reduce oil and solid content in waste
water ;
- Provided unique solution to the problem of off-spec hydrocarbon condensate;
- Key reviewer for MOCs for plant changes with hands-on experience for risk assessment and ranking;
- Good at coaching process engineers/technologists;
- Hands-on experience of flare system design (both high pressure and low pressure) and water treatment
plant;
- Solid knowledge and experience of Shell DEM1 and DEM2 with strong safety mindset.
Significant achievements:
- Improved methanol recovery yield in 2012 (2nd month after arrival) from <5wt% to 95wt% and to
>99.5wt% with saving of USD 1.5 million per year;
- Developed robust CBII overall surface facilities concept.
Awards:
- 2014 UI Impact Award (from EVP Upstream Unconventional)
- A Special Recognition Award from General Manager in 2014
- A Special Recognition Award from General Manager in 2013
Head of RefineryTechnology, Brunei Shell Petroleum Co Sdn Bhd, Feb 2010-Sep-2012
- Hands-on experience and deep understanding of how distillation columns and reactors work;
- Led RFSU teams (unit commissioning/startup) for crude distillation, condensate separation and catalyst
reforming units);
- Frequently involved in plant operations such as observing shift handover, alarm rate monitoring, daily
operation meeting);
- Hands-on experience of Pro II and HTRI for process simulation and heat transfer;
- Owner of Process Safety Management process for Refinery;
- Replaced Reformer catalyst with a new type (outstanding issue for 5 yrs) by working with Criterion;
- Modification of various process equipment such as distillation columns, heat exchangers, pumps, PSVs
and control valves) to improve efficiency and process safety;
- Replacement of air-coolers with saving of USD 500K via unique idea to prevent process safety
incidents;
- Delivered various improvement projects including process and storage tank service change, truck
loading facilities;
- Implemented process safety program such as ESP, HEMP, etc (for Operations department);
- Led process troubleshooting for the whole Refinery;
- Supported ESP limit setup and alarms for the whole Refinery;

2. - Reviewed/approved all P&IDs for the whole Refinery
- Hands-on experience of refinery flare system operation and relief valves;
- Supervised/coached junior process technologists.
ESP East Region Process Lead, Shell Eastern Petroleum(Pte) Ltd, Aug 2005-Feb 2010
- Led ESP process implementation in the east region (Bukom, Port Dickson, Taban gao, Geelong and
Clyde);
- Hands-on support for ISU, M&CC and Validate Targets;
- Sharing best practice of ESP implementation across different Refineries and regions;
- Led a team to configure Yokogawa DCS alarm processing system to be compatible with Shell group
requirements);
- Conducted ESP Training for ESP Implementation teams in the East Region;
- Actively provided technical support to reduce alarm rate significantly;
- Supported operation of crude distillation, hydrotreating and hydrocracking unit;
- Supported modification/process design of various process units.
Senior Process Engineer, Celanese Chemical Singapore Ltd, Mar 2003-Aug 2005
- Daily operation support of reactors, distillation columns, heat exchangers, tanks, pumps, etc.;
- Actively involved in commissioning/plant startup after maintenance shutdown;
- Lead technical support for the world most efficient acetic acid manufacturing process;
- Aspenplus and HTRI simulation;
- Detailed design & support for construction & start-up of ARS (Aldehyde Removal System, US$3 million)
Project;
- Led troubleshooting team and resolving a significant process problem – quality not meeting
specification;
- Provided a unique solutions for various process problems such as corrosion, avoidance of operation of
a big column – 3.5 meters;
- Modification of existing idle column for new service (saving USD 3 million);
- Led acetic acid plant startup after maintenance shutdown;
- Hands-on experience of Aspen and HTRI simulations to solve plant problems;
- Development of Celanese Nanjing Plant, China (Review P&IDs and simulation results, HAZOP, etc.
- Hands-on experience and solid knowledge of material corrosion mechanism;
- Trained and practiced Six Sigma as greenbelt.
Significant achievements:
- Successful start-up of ARS Project (> US$ 2.5 million energy saving per year);
- US$ 1.4 million of project cost saving by using Six Sigma methodology;
- Successful troubleshooting of a strainer plugging problem for a key process pump;
- Significant cost avoidance of USD 10 million for Nanjing plant by avoiding a new column with diameter
of 3.5 meters.
Project Development Engineer, ExxonMobil Chemical Singapore, Jul 2000-Mar 2003
- Pro II, HEXTRAN-HTRI and Pegsys simulations.
- Member of DBM (Design Basis Memorandum) development team for a hydrogenated solvent plant
(US$23 million);
- Detailed project design of Dimerization (controlled polymerization of C4 olefin to C8) reactor cooling
modification (high temperature & high pressure system);
- Detailed process design of storage tanks and associated facilities, exchangers, pumps, etc;
- Debottlenecking of overhead cooling system for Refinery Light End Unit;
- Revamped Thailand fluid cat cracking;
- Troubleshooting of various process problems like exchanger fouling, column flooding, etc.
- Calculation and selection of various process safety relief valves and control valves;
- Technical support and training for newly appointed process engineers in AP region.
Significant Achievements (for plants in both Singapore and Thailand)
- Shared the best practices of solvents manufacturing at 2000 FluNet meeting in Belgium in 2000;
- Led support for Thailand Solvents Plant for the improvement of Hexane yield by 90% in 2001;
- Provided guides to Solvents Plant Engineer & improved product grade switch performance from 17
hrs/swing down to 6 hrs/swing in 2001;

3. - Played a major role in achieving the highest (Solvents) production record at the former Exxon
Singapore Refinery in 2000 (Golden Dragon Award).
Plant Contact Engineer, Exxon Singapore Refinery), Jul 1997-Jul 2000
- Monitoring of key process parameters to ensure safe, efficient and optimum operation;
- Provided daily technical support/advice & operating guides to plant operators towards safe and reliable
operations for hydrogenation Solvents Plant and Hydroprocessing Plant;
- Optimization of product rates & yield, improvement of product quality and operating efficiency;
- Successfully troubleshot various plant problems such as poor product quality, high reactor bed pressure
drop, quicker catalyst deactivation, etc.;
- Conducted various testruns for process optimization, identification of plant operating limitations and
constraints;
- Developed and updating operating procedures for shutdown and startup of various units;
- Guided catalyst replacement (unloading/uploading) for fixed bed reactors;
- Selection of control valve and relief to solve operating problems;
- Hands-on experience of Pro II, HTRI and Pegsys simulations.
Significant Achievements
- Significant improvement of MEI (Manufacturing Effectiveness Index) for Solvents Plant from 74% in
1997 to 79%, 84% and 85% in 1998, 1999 and 2000 respectively;
- Improvement of line-up time of product grade switch from 14.7 hrs/swing in 1997 to 6.0 hrs/swing in
2000 (gained 17 extra production days – equal to US$ 2.0 million of additional profit in Singapore);
- Successful troubleshooting of high reactor pressure drop with the solution provided in 1999;
- Increase of Solvents Plant production by 20% without any additional capital investment;
- Zero product quality incident for the three years.
EDUCATION
Sep 1995 – Jul. 1997 National Universityof Singapore
Obtained Master’s Degree of Chemical Engineering (Advanced Separation Technology);
Sep 1989 – Mar 1992 Zhejiang University(Hangzhou, China)
Obtained Master’s Degree of Chemical Engineering (Chemical Reaction Kinetics);
Sep 1985 – Jul 1989 East China Institute of Chemical Technology(Shanghai)
(East China University of Science & Technology since 1992)
Obtained Bachelor’s Degree of Chemical Engineering.
SCHOLARSHIP/AWARDS:
Full Scholarship throughout my master’s degree study at National University of Singapore.
TEACHING:
- Conducted/taught ESP workshops in the east region within Shell;
- Co-taught Shell P80 course for process engineers;
- Trained plant shift operators of Shell Natural Gas Plant;
- Trained Shell Refinery shift operators to improve plant operational safety and efficiency.
My contact: zyliu966@hotmail.com; WeChat: zhanyunliu; Skype: zyliu966