www.chemicalsknowledgehub.com
In this unanticipated environment, many companies are finding that their agility is being tested to its limits — how effectively can they respond to huge shifts in demand, supply, working environment and economics?
dangerous situations that can lead to safety and environmental incidents. Chemical plant operators after all need to be sure that all of their staff know their roles during these difficult times and a digital twin can again be very helpful in that context. Digital twins could be useful too in the event that the original plant needed to close down for a period due to the pandemic. In this scenario, the digital twin could potentially make use of mathematical optimization methods to work out what the best combination of supply chain decisions would be over a planning time horizon in order to maximize enterprise profitability overall. Moreover, a digital twin can
that also include economic considerations are precisely what is needed to optimise operations in this fast-changing and challenging market. Digital twins are most commonly thought of in terms of engineering simulations of process operations and many chemical companies built them at the time of construction. This plant digital twin can be focused on a single asset, across a plant, or system-wide to optimize operations and production more generally. These models can be deployed offline and online and calibrated to plant operating conditions through autonomous model-tuning. Plant digital twins are especially helpful in optimizing alternative production scenarios, such as the reduced production rates and alternative raw material environment that many companies are experiencing now. This makes them especially powerful in the current crisis as they enable the operator to run those different process scenarios.
Alternative uses
Digital twins can help train operators for these atypical operations and especially for start-ups, shutdowns, slowdowns and other unexpected events. Such training simulations are especially important to avoid potentially
Summer 2020
enable a chemicals operator to create a single environment to look at all of their complex interactions. They might, for example, be running batch processes. They might also be operating continuous process. In the best digital twin environments, they can look at all of this activity together in order to make the best decisions about how to run their operations in the atypical environment that we are currently in.
These models can also be employed to develop alternative asset uses, such as the repurposing of existing operations to make products for surging medical and hygiene applications, such as personal protective equipment and disinfectant products, during the current crisis. Operational resilience will be a key capability in determining how companies will emerge from this pandemic. Building digital capabilities now will help improve such resilience during this time and prepare for the ongoing volatility to come.
Further information Kate Jones, Senior
Marketing Communications Manager, Aspen Technology, Inc
E:
Kate.Jones@aspentech. com
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