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SoCalGas to test hydrogen technology

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Hydrocarbon Engineering,


Southern California Gas Co. (SoCalGas) has announced it will field test a new technology that can simultaneously separate and compress hydrogen from a blend of hydrogen and natural gas.

At scale, the technology would allow hydrogen to be easily and affordably transported via the natural gas pipeline system, then extracted and compressed at fuelling stations that provide hydrogen for fuel cell electric vehicles (FCEVs).

Created by HyET Hydrogen, the technology is designed to provide pure highly-compressed hydrogen wherever a natural gas distribution system exists. A video illustrating the technology is found below:



SoCalGas also recently announced a programme to study blending hydrogen into its natural gas pipelines. If approved by regulators, the programme would be the first step toward establishing a statewide standard for injecting hydrogen into the natural gas grid.

"This innovative technology could be a game-changer, allowing hydrogen to be distributed to wherever it is needed using the natural gas grid," said Neil Navin, Vice President of Clean Energy Innovations at SoCalGas. "As demand increases for zero-emissions vehicles such as fuel cell electric cars, California will need thousands more hydrogen fuelling stations - and this technology may help make that possible."

"We are excited to deploy our newest technology in collaboration with SoCalGas," said Alexis Dubois, Director of HyET Hydrogen USA. "Our gas separation system is designed to allow hydrogen to be transported across long distances affordably using existing natural gas pipelines. With this technology, hydrogen can become a commonly used fuel for transportation, industrial applications and more."

"Hydrogen will be an important part of our clean energy future, and exciting new technologies like this will pave the way for zero emissions transportation in California," said Sen. Bob Archuleta (D-Pico Rivera). "I am fighting for investments in both hydrogen infrastructure and clean transportation programmes in the state Legislature and will continue to do so. I am excited that the testing of this cutting-edge innovation will take place in the 32nd Senate District and I look forward to continuing to work with SoCalGas as we pursue our clean energy goals."

"This is innovative technology," said Bill Elrick, Executive Director of the California Fuel Cell Partnership. "It may provide a unique and strategic way to distribute large volumes of hydrogen fuel, helping decarbonize the transportation sector."

The new technology, called Electrochemical Hydrogen Purification and Compression (EHPC), works by applying an electrical current across a hydrogen-selective membrane to allow only hydrogen to permeate it while blocking the natural gas components. Continuously applying the electrical current builds up and pressurises the hydrogen.

To test the technology, SoCalGas will blend hydrogen, in concentrations from 3 to 15%, with methane, the primary component of natural gas. That blend of gases will then be injected through a simulated natural gas pipeline testing system into the EHPC system to continuously extract and compress the hydrogen at a rate of 10 kg per day. SoCalGas' testing will provide performance data that will enable fine-tuning and optimisation of the EHPC system to accelerate scaling up the technology. Within the next two years, the EHPC technology is expected to be scaled to produce 100 kg of hydrogen a day or more from a single EHPC system, enough to fill 20 fuel cell electric vehicles.

The project is scheduled to begin in March 2021 at SoCalGas' Engineering Analysis Center in Pico Rivera, California, US, and slated to be complete by the 3Q21.

Read the article online at: https://www.hydrocarbonengineering.com/gas-processing/17122020/socalgas-to-test-hydrogen-technology/

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