Apparatus and methods for gas production during pressure letdown in pipelines

This invention describes a system that takes high-pressure gas from a pipeline and, as its pressure drops, captures the released energy. This captured energy is then used to generate electricity, which in turn helps produce other gases, such as hydrogen. The claims specifically narrow the invention to include a heat source placed near where the pressure drop occurs, potentially to manage temperature or aid in gas production.

Why it matters: Filed before the widespread focus on hydrogen as a clean energy source. Advancements in energy recovery and hydrogen production technologies since 2004 make this concept more viable.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedHigh-pressure expander, electricity generator, gas processing.

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