Rafael Sánchez-Cohen Email & Phone Number

Auburn, Alabama, United States

Chemical processes:• Catalytic desulfurization of Biogas, Renewable Natural Gas, and Associated Natural Gas• Gas to liquid via Methanol synthesis for the conversion of Syngas and CO2+H2 to produce gasoline• Heterogeneous catalyst entrapment• Chemical EtchingWorking areas:• Sales engineer• Demonstration-scale test run planning and execution• Chemical process development and scale-up• Manufacturing process development and scale-up• Economic model… Show more Chemical processes:• Catalytic desulfurization of Biogas, Renewable Natural Gas, and Associated Natural Gas• Gas to liquid via Methanol synthesis for the conversion of Syngas and CO2+H2 to produce gasoline• Heterogeneous catalyst entrapment• Chemical EtchingWorking areas:• Sales engineer• Demonstration-scale test run planning and execution• Chemical process development and scale-up• Manufacturing process development and scale-up• Economic model development and sensitivity analysis • Intellectual property• ChemCad process simulation• Grants proposal development• Interlocks designing• Equipment sizing• Experiment designing, planning, and executing at a laboratory and bench-scale Show less

Auburn, Alabama Area

Achievements:• Revamping of 66% of a bench scale-plant for the Gas to Liquid process based on a new process operation philosophy• Eliminated by 100% the clogs of the back-pressure valve by redefining the service and relocate it• Decrease the electric load of the plant by eliminating the use of unnecessary heating tapes due to process redefinition• Eliminated by 100% the clogs in the condensator after the redefinition of the service based on new process philosophy• Decreased… Show more Achievements:• Revamping of 66% of a bench scale-plant for the Gas to Liquid process based on a new process operation philosophy• Eliminated by 100% the clogs of the back-pressure valve by redefining the service and relocate it• Decrease the electric load of the plant by eliminating the use of unnecessary heating tapes due to process redefinition• Eliminated by 100% the clogs in the condensator after the redefinition of the service based on new process philosophy• Decreased the impregnation time of a catalytic precursor by 60% to improve the synthesis time using ultrasound• Improved the homogeneity of a catalyst impregnation to optimize the performance of the system using ultrasound • Eliminated the batch effect during the synthesis of the catalyst at laboratory scale by 100% to obtain reliable resultsPlanning and execution of the following projects:• Reactor heat exchange study of the Gas to Liquid process• Determination of the coke nature deposited over the catalytic surface• Study of the synergistic effect of metal oxides for the dehydrogenation process• Development of a novel methodology using ultrasound to synthesize metal oxides over aluminaResponsibilities:• Redesign, revamp, and operation of a bench-scale plant for the Gas to Liquid process• Operation of In-Situ and ambient Raman spectroscopy, gas chromatography, mass spectrometer, and a bench-scale plant for olefins production • Catalysts design, synthesis, characterization, and testing.• Teaching assistant of Reactions Engineering, Principles of Chemical Engineering, and Thermodynamics. Show less

Achievements in Refining and Upgrading:* Improvement opportunities identification focused on decrease by 60% opportunity costs of PDVSA`s Delayed Coking Units.* Increase in 12,5% the °API of the commercial Heavy Crude Oil of an Extra Heavy Crude Oil Upgrader. * Run length improvement by 5-fold of a Pilot Plant for middle stream valorization after new design and revamp.* Decrease 100% the use of surfactant of a disperse catalyst precursor using the Ultrasound… Show more Achievements in Refining and Upgrading:* Improvement opportunities identification focused on decrease by 60% opportunity costs of PDVSA`s Delayed Coking Units.* Increase in 12,5% the °API of the commercial Heavy Crude Oil of an Extra Heavy Crude Oil Upgrader. * Run length improvement by 5-fold of a Pilot Plant for middle stream valorization after new design and revamp.* Decrease 100% the use of surfactant of a disperse catalyst precursor using the Ultrasound Technique.Achievements in Oil&Gas and R&D Business:* Development of a new Science and Technology management system and a new value chain.* Development of new Key Process Indicators to measure the impact of technical assistance on clients.* Proposal of a new business model for Intevep.R&D Projects:* Formulation optimization of a nanodisperse catalyst precursor via ultrasound.* Optimization of the Delayed Coking process.* Application of ultrasound to increase stability of Extra Heavy Crude Oils.Technical assistance activities:* Energy Market Analysis. Speaker since 2015.* Operational Reliability and Mechanical Integrity of Delayed Coking Drums Intevep´s Team.* Technical support in the programmed turnaround and commissioning of Petroanzoátegui Upgrader. * Root cause analysis technical support for the Delayed Coking unit cracked drum of Petrocedeño Upgrader.* Technical support in emergency turnaround and starting up of the Hydrocracking unit of Petropiar Upgrader. * Technical support in the programmed turnaround and starting up of Petropiar Upgrader.* Process scheme optimization and test run of Petromonagas Upgrader to produce Monagas 18 heavy crude oil.Responsibilities:* Crude Oil Upgrading Leader of the Infrastructure and Upgrading Technical Department.* Leader for Project: Technical Assistance for Upgraders.* Leader for Sub Project: Technical Assistance for Process Engineering and Operations.* Deputy Leader for Project: Heavy Crude Oil upgrading and Residues processing. Show less

Bench Scale Experimental Kinetic Study and Computational Chemistry Study of the Aquaconversion Process (Catalytic Steam Visbreaking). Both studies with Honorary Mention.Achievements:* Refocus of Technology Selling and Application Strategy.* Experimental error decreased in 50% by optimizing the plant design and the operational procedures.* The experimental and theoretical results helped to visualized new catalysts formulations.* The reaction scheme (kinetic model) proposed… Show more Bench Scale Experimental Kinetic Study and Computational Chemistry Study of the Aquaconversion Process (Catalytic Steam Visbreaking). Both studies with Honorary Mention.Achievements:* Refocus of Technology Selling and Application Strategy.* Experimental error decreased in 50% by optimizing the plant design and the operational procedures.* The experimental and theoretical results helped to visualized new catalysts formulations.* The reaction scheme (kinetic model) proposed helped to visualized ways to improve the selectivity of the technology. Show less

Master Of Science - Ms, Chemical Engineering

Research topic: • Non-oxidative dehydration of propane and ethane. • Gas to liquid (GTL) via the Fischer-Tropsch process.

Doctor Of Philosophy - Phd, Chemical Engineering

Research topic: • Non-oxidative dehydration of propane and ethane. • Gas to liquid (GTL) via the Fischer-Tropsch process.

Master Of Science (Msc), Refining, Engineering, Gas

Competencies Certification, Project Management

Engineering, Chemical

Activities and Societies: Centro para el estudio de la astronomía y el espacio