© by Wagner Araujo/National Geographic Traveler

Population growth

Increased urbanization Growing needs for energy, food, water, ...

High Energy Prices

Growth of interconnection

Increased complexity.

Intense geopolitical shift

Significant imbalances between regions.

More Energy…..but

Optimizing “The Never Ending Story

A global company that seeks the

welfare of people and is a step

ahead in building a better future

through the development of smart

energy.

Our vision

3

What is going on? Population growth

Increased urbanization

Growing needs for energy, food, water, ...

High Energy Prices

Growth of interconnection

Increased complexity.

Intense geopolitical shift

Significant imbalances between regions.

More Energy…..but

4

5

A

Major Refining challenges

Technology Innovation Innovative Tools & Equipment's Efficiency Margin Improvement Different and differentials Products Maximizing Operations

Optimizing “The Never Ending Story

How are the changes

happening?

More Swift

More disruptive

Even simultaneous

With more complex and

also technological

interconnected

.

7

being Flexible

and what could we do ?? Evolution

Adaptability Take advantages of new technologies

Maximize Margin with lowest energy consumption

MHC-FCC Rigorous and Kinetics Model

Maximize interaction and integration target

Optimize Operational Conditions

Energy Consumptions calculations

Monthly

Operation Conditions

Model Calibration

Real Data

Production

Objectives

Test Runs and

Monitoring

MHC Kinetics

Factors FCC Kinetics

Factors

Optimum Goal

Pilot Plant

Catalyst

Selectivity

activity

Could we improve?

slow and un-powerful optimizer

Optimizing “The Never Ending Story

9

Hydrogen Consumptions Compressors

Fractionator Splitter

Constrains Cut Points

Prod. Specs

MHC

Reactor

Cat. Behavior Cycle Time

WABT

Yields

Air Flow Steam Gen.

FCC

Reactor Regenerator

Catalyst Behavior

Yields

Constrains Cut Points

Specs.

Fractionator VRU

PP splitter

Heater Fouling

Energy Consumptions

Heaters Fouling

Stripper

Energy Consumptions

Optimal Goal

Economics Results

Maximum production at

optimum energy consumption

Optimizes margin

24 variables

Personal Computer

Two years ago… Optimizing “The Never Ending Story

Cat/oil

Reaction Temperature

Recycle

Feed Temperature ( Feed Furnace )

Catalyst Activity ( Fresh Cat addition )

Kind of Feed ( less or more Hydrotreated )

Unit Throughput

Operational Mode

Constrains

WABT

Unit Throughput

Catalyst Deactivation

Catalyst Activity SOR, MOR, EOR

Cetane Gain

Hydrogen Availability

Hydrogen Recycle

Poisons Feed

Kind of feed

Constrains

FCC MHC

10

Statistical data filtering

Powerfully Optimizer

development

Daily Feed analysis

Distribution Aromatic Carbon

correlation

Directly PI Connection

Multiple fractionator and splitters calibrations

MHC catalyst Behavior

cycle time

Allows to adjust operational

deviations faster Multiple

Kinetics Models calibrations

Multiple Model predictions

Optimization more

adjusted to feed variations better fit, speed and

flexibility

Using New tools Optimizing “The Never Ending Story

Using New tools

Typical Analysis Density

Distillation Sulfur

Nitrogen Viscosity

Refractive Index

Specialized Analysis

Aromatic Carbon Mono, Di, Tri, Polar

Aromatics Naphthenic Carbon

Mathematical Correlation by type of Feed

Optimizing “The Never Ending Story

12

A

Developed an statistically

program to treat operational data,

filtering the wrong data

Using New tools Optimizing “The Never Ending Story

13 13

Hydrogen Consumption Compressors

Fractionator Splitter

MHC

Reactor

Cat. Behavior Cycle Time

WABT

Yields

FCC

Reactor Regenerator

Catalyst Behavior

Yields Fractionator

VRU PP splitter

Energy Consumptions

Stripper Energy

Consumptions

FCC Kinetics Model +

Products Recovery Simulation

Catalyst Factors (PP+ACE)

Kinetics Catalyst

Base Case ( Calibration)

Recycle Optimizer

Quality cut for different Cut

Unit Constrains

Variations TR, Feed Temp. Throughput

Main Fractionator

Naphtha Splitter

Recycle

MHC Kinetics Model +

Products Recovery Simulation

Kinetics Catalysts PP

Base Case (Calibration)

Fractionator

Quality cut for different Cuts

Unit Constrains

Variations WABT, Pressure, Throughput

Hydrogen Recycle

Hydrogen and Power consumptions

Stabilizer / Steam

Fouling

Correlation by type of Feed

Optimizing “The Never Ending Story

Maximum Energy Efficiency

Crude Oil quality variability

New and Heavier Crude Oil

Products variably

Market Demands Drive Capabilities

MHC and FCC Optimum Throughput is not the same for all Market demands

Faster Global Optimum

Optimizing “The Never Ending Story

Analytical Plan for continuous Feed characterization

Adapted correlations for type of Feed

o Automated

o Optimizer with more than 50 Variables.

o Connected through personal computer

On Home Statistical model and program

Development Data Filtering

FCC Kinetics Commercial Models and Repsol Catalyst Factors

On Home Developed REP MHC Kinetics Models

Lineal Programing Model Adapted to communicated with Kinetics Models

Main Conclusions Optimizing “The Never Ending Story

1962

2017 Never say Never

17

This story will continue…

Guest Stars as Jetsons

Álvarez Rodríguez Maria Nieves

García Carreño Miguel Angel

Montañez Gustavo

Suarez Diez María Luisa.

The Future is coming

Produced and directed by: REPSOL S.A

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about online analytics

and sensorization in

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