CO2 PROCESSING/CAPTURE/SEQUESTRATION SERVICE CAPABILITIES
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Many of Trimeric’s projects involve the capture, processing, and utilization or underground injection of CO2. Trimeric has provided third-party techno-economic analysis and process engineering services for dozens of carbon capture and storage projects in support of the U.S. Department of Energy’s research program, as well as designed numerous CO2 purification and compression facilities for commercial Enhanced Oil Recovery (EOR) clients. Awareness of cutting edge technology in a developing field, and real-world experience with what it takes to make commercial EOR projects successful, make Trimeric a valuable resource for a wide variety of CO2 related projects. Several of Trimeric’s staff members have performed process engineering work with CO2 for over 10 years, contributing to Trimeric’s unparalleled expertise in the use of process simulation tools to properly design systems for processing supercritical CO2.
A partial list of Trimeric’s CO2 processing experience is as follows:
- Engineering design for large-scale capture, purification, compression, dehydration projects for enhanced oil recovery and sequestration
- Process simulation and design of CO2 unit operations
- Absorption of CO2 from natural gas, flue gas, or other process gas streams
- Dehydration of CO2 at moderate pressures with triethylene glycol (TEG)
- Dehydration of supercritical CO2 with glycerol
- H2S removal from CO2
- CO2 liquefaction via compact and conventional heat exchangers
- Pipeline flow analysis (e.g., two-phase supercritical flow in hilly terrain)
- CO2 injection wells, production wells and flowlines
- Retrograde condensation of water in CO2 pipelines
- Preparation of equipment specifications
- Flammability assessments for CO2/methane mixtures for process hazard analyses
- Plant start-up and troubleshooting services
- Debottlenecking studies and project management for plant expansions
- Materials selection
- Conceptual design of novel CO2 processing/capture/sequestration approaches
- CO2 capture pilot plant design
- Definition and technical/economic evaluation of alternative process configurations
- Delivery of training presentations on CO2 processing to engineers and operators at industry conferences and on-site at client facilities
- Supercritical CO2 Dehydration: Trimeric performed the process design, startup, and project management for four separate grass-roots supercritical CO2 dehydration facilities to process a combined 850 MMscfd.
- CO2 Cooling and Pumping: Trimeric performed the process design, equipment sourcing, startup, and project management for a new plant to dehydrate CO2, condense, and pump 150 MMscfd of CO2.
- CO2 Liquefaction and Distillation: Trimeric performed a plant capacity evaluation for an EOR facility that used liquefaction and distillation to remove oxygen and other impurities before pumping to pipeline pressure. Trimeric advised client regarding process modifications and advised client regarding additional equipment installation through commissioning and startup to improve reliability and operability of the plant and to increase the plant capacity by 20%.
- CO2 Compression, Dehydration, and Pumping: Trimeric led a grass-roots project from conceptual design through commissioning and startup for a 50 MMscfd EOR facility including multistage centrifugal blowers, reciprocating compressors, glycol dehydration, and multistage centrifugal pumps.
- Evaluation of methods to remove unwanted chloride salts from glycerol; laboratory testing of ion-exchange resins, and specification of design parameters for an ion exchange system.
- Equipment Selection for CO2 liquefaction unit: Trimeric evaluated several different conventional and compact heat exchanger designs and prepared equipment specifications for an 18 MMscfd CO2 condenser.
- Trimeric performed the design and provided process engineering oversight during fabrication activities for two separate sets of CO2 heating and pumping skids that are designed to pump up to 1.6 MMscfd of CO2 at internationally-located CO2 sequestration test sites. In addition, Trimeric is currently involved in commissioning activities at one of these sites, and Trimeric will be involved in commissioning activities at the other site later in 2015.
- Trimeric provided process design support to a client that is expecting to inject up to 1.9 MMscfd of CO2 over a highly variable range of temperatures and pressures for both liquid and vapor CO2 at a sequestration test site in the eastern United States.