Julius Choi Email and Phone Number
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Julius Choi personal email
I am seeking a process development engineer or scientist in process R&D or data analyst position.Innovative and results-driven chemical engineer with extensive experience in Process R&D, specializing in the design and setup of new equipment at lab scale, operation of various unit operations and the development and optimization of both continuous and batch processes. Proven expertise in scaling up chemical processes from lab to demonstration and operating pilot plants, utilizing advanced modeling techniques (e.g., SuperPro, Python, AspenPlus) to enhance process efficiency and drive economic and environmental optimization. Skilled in data collection, process modeling, and data analysis to improve process understanding and troubleshooting. Demonstrated ability to collaborate effectively with cross-functional teams, including chemists, engineers, and stakeholders, ensuring successful technology transfer, compliance with regulatory standards, and alignment with sustainability objectives. Adept at managing multiple projects and adapting quickly to new technologies and process challenges in fast-paced environments.
State Water Resources Control Board
View- Website:
- waterboards.ca.gov
- Employees:
- 1279
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State Water Resources Control BoardSacramento, California, United States -
Career TransitionCareer Break Jan 2024 - Present
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Dsp Scientist21St.Bio Aug 2023 - Jan 2024Søborg, Capital Region, Dk■ Brought the ability to develop downstream processes and evaluate innovative solutions for customers by procuring and setting up equipment ■ Enhanced operational capabilities for testing and sample production by leading a contract with an external lab ■ Prepared technical reports and presentations to communicate progress and resource needs to stakeholders.Data analysis■ Worked on developing a new Python script to identify DNA sequences to design primers. -
Senior Process EngineerBcd Bioscience Apr 2022 - Aug 2023Sacramento, Ca, Us■ Developed and scaled up new technology by managing project budgets and schedules and collaborating with multidisciplinary teams.■ Established a pilot lab by procuring and validating equipment that met the specifications.■ Developed and validated economic processes by testing various equipment like reactor, filtration, centrifuge, resin, etc., applying the design of experiments and conducting data analysis. ■ Enhanced process efficiency economics by optimizing process conditions through process modeling using SuperPro, Python and Excel and data collection.■ Trained engineers and operators for equipment operation at lab and pilot scale. ■ Monitored pilot plant operations and analyzed process data to ensure alignment with sustainability objectives and program performance metrics.■ Coordinated with stakeholders, including vendors, external labs, and investors, to ensure the meeting of project milestones.■ Authored technical documentation and collaborated with consultants and stakeholders to confirm federal regulation compliance and to ensure smooth technology transfer to CMOs and the GRAS dossier preparation■ Surveyed scientific literature and technical reports to follow up on industry and scientific community trends and evaluate new technologies. -
Postdoctoral FellowJoint Bioenergy Institute Feb 2021 - Apr 2022Process development■ Worked on the development of biomass pretreatment method by testing ensile biomass, fungi-based composite, ionic-liquid, solvent/product recovery process and utilizing Parr, HPLC, GPC, GC/MS, TGA, Viscometer ■ Contributed to industrial partners’ ongoing commercialization of the technology by identifying the best solvent, optimizing the process conditions and conducting data analysis■ Surveyed the related technology to perform scientific research on biofuel production processes and design and set up new reaction equipment at the lab scale■ Conducted risk assessment and prepared safety documentation to meet compliance requirements from government agencies.Data analysis■ Statistically analyzed the experimental data to investigate the effect of process parameters on production yield using JMP, Excel and python■ Developed Python scripts to extract data from PDF generated by large samples for summarizing and visualizing data to reduce data analysis time -
Postdoctoral ResearcherSandia National Laboratories Feb 2021 - Apr 2022Albuquerque, Nm, Us -
Research Process EngineerEarth Energy Renewables (Now Bioveritas) Jun 2019 - Dec 2020Earth Energy Renewables was a start-up company with the technology to convert municipal waste to biochemicals. My responsibilities were the operation of a pilot plant and the preparation of plant design packagesProcess engineering and development■ Prepared plant design packages for designing a demonstration plant from pilot-scale data using a scaling factor of 18, in collaboration with an EPC■ Conducted process modeling and simulation using Excel and AspenPlus, leading to equipment design and selection, successful equipment sizing and performance prediction to meet process requirements and product specifications■ Completed successful pilot plant operation, securing a $30 million investment by monitoring the process and addressing operational challenges to reduce downtime and increase productivity.■ Reduced testing expenses by 100 times by developing ion contents analytical methods■ Improved process performance by designing and conducting experiments in both laboratory and pilot plant, collaborating with chemists■ Prepared and reviewed regulatory and operational documentation to adhere to environmental and safety standards.■ Completed a HAZOP of the process with the rest of the engineering team. ■ Collaborated with researchers and industrial partners to evaluate processes for bio-based products, leading to peer-reviewed journals.Data analysis■ Utilized the Excel spreadsheet to gather data from the plant, analyze mass and heat balance and validate plant operation
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Contract Process EngineerEarth Energy Renewables Aug 2018 - May 2019 -
Research AssociateTexas A&M Agrilife Jan 2018 - Aug 2018■ Collaboration work for development of a pilot-scale activated carbon production process from biochar using steam activation resulting in 5kg/h production rate enough for investigation of the possibility of new products for soil amendments and wastewater treatment application
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Graduate StudentTexas A&M University Jan 2013 - Dec 2017College Station, Tx, UsProcess Development and R&D■ Designed, constructed, and operated lab-scale and pilot-scale equipment integrated with data acquisition and equipment control programed by Arduino for developing new chemical processes.■ Conducted data analysis, process modeling and kinetic modeling using python to improve understanding of the effect of process parameters on the results. ■ Collaborated with researchers in chemistry to produce hydrogen using photocatalytic reaction, contributing to research advancement in the field. ■ Trained visiting students and professionals from diverse backgrounds for several research projects, resulting in well-maintained laboratory operations and the completion of their theses.■ Conducted scientific research on developing new processes to produce bio-oil, hydrogen and gas membranes, resulting in peer-reviewed journals.■ Utilized XRD, SEM, TEM, HPLC, GC/MS/FID/TCD, Raman, TGA, FTIR, Calorimeter, BET, UV Spectroscopy for characterization■ Worked on a team-oriented project that tested the degradation behavior of Fire-retardant materials and reviewed mercury emission-related regulations for industrial partners and reviewed the regulation regarding chemical facility safety under Executive Order 13650.■ Conducted risk assessment and developed safety procedures for new experimental setup.Data analysis■ Statistically analyze the experimental data using Python, Excel spreadsheets and JMP to figure out the effect of process parameters on the experimental result ■ Generated graphs to visualize the experimental results and presented graphs at conferences and scientific journals■ Developed web app for regression analysis to develop empirical models and statistical models using Python -
Graduate Summer InternshipSouthwest Research Institute Jun 2016 - Aug 2016San Antonio, Tx, Us■ Proactively acquired new knowledge to design and develop the pyrolysis apparatus for catalytic hydropyrolysis under high-pressure condition -
ResearcherSogang University Sep 2011 - May 2012Seoul, Kr■ Investigated the effect of fermentation conditions on the production of 2,3-butanediol produced from engineered E. coli for the optimization and kinetic study -
Graduate Research AssistantSogang University Sep 2009 - Aug 2011Seoul, Kr■ Collaborated with researchers for writing research proposal resulting in a $2.5 million grant funded by the Korean government for five years■ Supervised projects acquiring background in genetic engineering and biochemical engineering for optimization and kinetic study of 2,3-butanediol production using engineered microbes resulting in one patent
Julius Choi Skills
Julius Choi Education Details
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Texas A&M UniversityBiological And Agricultural Engineering -
Sogang UniversityChemical And Biomolecular Engineering -
Sogang UniversityChemical And Biomolecular Engineering
Frequently Asked Questions about Julius Choi
What company does Julius Choi work for?
Julius Choi works for State Water Resources Control Board
What is Julius Choi's role at the current company?
Julius Choi's current role is Process R&D Engineer & Data Analyst | Expert in Process Design, Scale-up, & Optimization | Skilled in Lab Experiment, Equipment Design, Data Analysis, & Process Modeling | Experienced in Pilot Plant Operations.
What is Julius Choi's email address?
Julius Choi's email address is jc****@****dia.gov
What schools did Julius Choi attend?
Julius Choi attended Texas A&m University, Sogang University, Sogang University.
What skills is Julius Choi known for?
Julius Choi has skills like Data Analysis, Python, Matlab, Biochar, Activated Carbon, Porous Materials, Gas Separation, Adsorption, Gasification, Pyrolysis, Process Simulation, Chemical Engineering.
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