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Occidental Chemical Corporation: Incorporating the Better Plants Steam System In-Plant Training into Corporate Training and Energy Management Best Practices

OxyChem established mid-term sustainability goals for 2025 to reduce annual steam use by 817 million pounds, energy use by 326,000 MMBtus of natural gas, and emissions by 187,000 Metric tons of CO2e. These goals will accelerate progress toward the company’s 2040 goal of achieving net-zero carbon emissions. As part of OxyChem’s sustainability efforts, the company joined the DOE Better Plants program to identify opportunities to reduce corporate energy consumption.

After the completion of the INPLT at the Ingleside plant, the steam system training information was shared across the OxyChem manufacturing group. The company’s Engineering and Training Department integrated the DOE Better Plants INPLT training on steam systems into their engineering training modules, which all new hire engineers and interns are required to complete as part of the onboarding process. Developing the internal training modules from the steam system INPLT was performed by OxyChem’s corporate training team and the technical engineer from the OxyChem Ingleside plant. It took approximately six months to incorporate the INPLT training and add information on steam systems into the corporate engineering training program. Additionally, supervisors worked with engineering interns to assign projects at other plants based on specific energy savings measures presented during the Better Plants INPLT.

OxyChem captures energy reduction opportunities in their capital project approval forms and includes information on GHG emission reductions. The sustainability impacts of potential capital projects are evaluated and approved by executive leadership. Tools used in the Better Plants INPLT—including the steam system assessment tool within the Manufacturing Energy Assessment Software for Utility Reduction (MEASUR) suite—are used in the modeling of the energy savings and ROI calculations summarized in the capital project approval form.

Engineers who participated in the DOE INPLT identified several projects, including one that involved the design of a new system to preheat boiler feed water through a heat exchanger on the ethylene unit thermal oxidizer. Additionally, there were multiple steam trap improvement projects were implemented as a result of the INPLT. Combined, the projects are projected to reduce natural gas by 300,000 MMBtus, equal to over 20,000 metric tons of CO2 emissions annually. These results account for 16% of OxyChem’s 2025 energy reduction goal and 10% of its 2025 GHG emissions goal. 

The Better Plants INPLT trained OxyChem engineers to be able to review plant steam systems across the organization and develop opportunities to incorporate diagnostic equipment and modeling tools into new process changes that will reduce energy usage while increasing steam production. OxyChem has replicated several of the best practices and opportunities discovered at Ingleside to seven other sites. The INPLT’s findings on ways to improve the efficiency of their steam systems are now part of the onboarding process training for new hires and interns.

Better Plants INPLT Trainings Other

In-Plant Trainings (INPLTs) are workshops led by Better Plants experts that train participants on how to identify, implement, and replicate energy-saving projects.

Better Plants Virtual In-Plant Training on Industrial Steam Systems Other

Participants will be trained on industrial steam system fundamentals and undertaking of a system-specific energy assessment, including hands-on training on the steam system assessment module within the Manufacturing Energy Assessment Software for Utility Reduction (MEASUR) tool.

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