Daffa YEZALDY

Experience

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  Bandung Institute of Technology

  Jan 2020 - Jun 2021

  Course Assistant

  -Chemical Process Control, responsible for conducting a tutorial via and exam grading in a class of 150 students. (January 2021-May 2021).-Transport Phenomena, responsible on helping the lecturer on teaching and exam grading on class of 56 students (August 2020 - December 2020).-Analytical & Measurement Method, responsible on helping the lecturer for exam and lab report grading on class of 127 students. (January 2020 - August 2020).

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  Petrokimia Gresik PT

  Dec 2020 - Jan 2021

  Production Planning and Energy Management Intern

  Successfully conducted an energy audit and optimization study by simulation with ASPEN Hysys V10 at CO2 Compressor Unit Urea Plant 1B, resulting in a decrease of energy demand by 39,5%, steam demand by 4,6%, and cooling water demand by 43,4% which increases the plant efficiency and effectivity.

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  PT. LAPI ITB

  Jul 2021 - Sept 2022

  Junior Process Engineer

  Working as a Project Assistant at the Process Design Laboratory of Chemical Engineering ITB, under the guidance of Dr. Anggit Raksajati, Dr. Antonius Indarto and Dr. Hary Devianto.1. CO2 Monetization of PT Pertamina EP Feasibility Study- Evaluate potential CO2 economical value calculating methods- Analyze and conduct a risk assessment of alternative business scenarios- Benchmarking the CO2 monetization that has been implemented in several countries2. Carbon Capture Utilization and Storage (CCUS) of Coal to DME Plant Project Feasibility Study.-Conducted a pre-feasibility and techno-economic study of the CCUS surface facility project worth $240 million to process 6.6 MMTPY CO2 emissions that are produced from the DME plant project of PT Pertamina, Air Product and PT Bukit Asam at Tanjung Enim.3. CPP Gundih Pertamina EP Development Feasibility Study-Conducted design and rating H2S Absorber with NaOH Solvent simulation for the existing facilities with ASPEN HYSYS V11. Scaled up to further development cases. Generated Adequacy Check Report including model validation, capacity, and hydrodynamic adequacy check.4. Wax Management Flow Assurance Study PHR WK Rokan- Conduct flow assurance transient study including wax management system study. Generate flow assurance study report by processing interface data from HYSYS to PVTsim and performing OLGA Simulation. Mitigate the oil congealing and wax deposition problem in pipeline.5. Flow Assurance Study Training Pertagas- Assist Dr. Aqsha to conduct flow assurance study training including PVT crude oil characterization, flow assurance modelling with PVTSim and OLGA Show less

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  Synergy Engineering

  Oct 2021 - Jun 2022

  Junior Process and Process Safety Engineer

  As a junior process engineer, I'm responsible to conduct steady-state and transient state flow assurance studies in accordance with project deliverables. Generate flow assurance transient study report by processing interface data from HYSYS to PVTsim and performing OLGA/PIPESIM Simulation. Involved in several projects:1. Ruby Offshore Late Life Detailed Engineering Design (DED) Flow Assurance Study of Mubadala Petroleum, Pearl Oil (Sebuku) Ltd.2. Ruby Offshore Liquid Hold-up Study of Mubadala Petroleum, Pearl Oil (Sebuku) Ltd.2. MOPU Lease Contract for MAC Field Development Detailed Engineering Design (DED) Flow Assurance Study, Husky-CNOOC Madura Ltd.3. Pre-Front End Engineering Design (FEED) Parang Flow Assurance Study and Brownfield Adequacy Check, Pertamina Hulu Energi Nunukan Company.4. Pre-Front End Engineering Design (FEED) SAKA Indonesia Sesulu Flow Assurance Study Transient Analysis.5. Sisi Nubi AOI FEED Flow Assurance Study (Transient, Steady State and Dynamic Analysis), Pertamina Hulu Mahakam.As a junior process safety engineer, I'm responsible to develop Hazardous Area Classification (HAC) Drawing, FERA study, and QRA study. Involved in several projects:1. Hazardous Area Classification (HAC) Drawing of West Belut Define, Medco E&P Natuna Ltd.2. FERA Simulation with DNV PHAST of West Belut Define, Medco E&P Natuna Ltd. 3. FERA Report Study with DNV PHAST of Late Life Ruby, Mubadala Petroleum, Pearl Oil Ltd.4. HAZOP and HAZID Scriber for Krisna-P and Cinta P1 Pipeline Replacement Pertamina Hulu Energi OSES Ltd. Show less

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  EKIUM

  Mar 2024 - now

  Working on Renewable Energies Project such as Carbon Capture, Utilization & Storage (CCUS), E-Fuels, Hydrogen, and CO2 Methanation etc, focusing on process design, optimization, and techno-economic assessments:▪ Develop Process Conceptual Basis, Process Flow Diagrams (PFDs), Heat & Mass Balance (HMB) calculations and Plot Plan.▪ Perform process simulations, equipment sizing, and including process optimization using Aspen Plus/HYSYS/EDR.▪ Consult with licensors and technology providers to evaluate and integrate advanced process technologies.▪ Conduct conceptual feasibility studies, techno-economic and environmental assessments (TEA), and KPI analysis to assess project viability and performance and evaluate environmental impact and sustainability to ensure compliance and efficiency. Show less Under the name of SOFRESID ENGINEERING - Part of EKIUMFocus on the development of compact post-combustion CO2 capture systems. I perform the following tasks:▪ Carry out state of the art and technology watch on identified processes and equipment.▪ Model processes in Aspen HYSYS and ASPEN PLUS and pre-dimension equipment.▪ Prepare process diagrams (PFD) and establish material and energy (and utilities) balances (HMB) and Plot Plan.▪ Carry out technico-economic feasibility and environmental impact studies. Show less

  • Process Engineer - Decarbonization

    Oct 2024 - now

  • Process Engineer - Carbon Capture Utilisation and Storage (CCUS)

    Mar 2024 - Sept 2024