H2scan P&S Catalog 2025 - Flipbook - Page 39
Real-Time
Hydrogen
Measurement For
The Green
Hydrogen Economy
Measuring hydrogen with H2scan in-line analyzers the power to
gas industry helps:
n Provide meaningful real time information
n Improve overall hydrogen usage to reduce costs
n Eliminate errors from slow or indirect analyzers
n Ensure process optimization
Hydrogen is an increasingly important component of dedicated efforts around the world to de-carbonise the energy
sector. There is growing pressure to produce so-called
"green hydrogen", that is, hydrogen from renewable energy
sources vs. from natural gas-based steam methane reforming. One common method is to use wind turbines and other
renewable methods to power electrolyzers, which can produce large amounts of hydrogen cleanly. This hydrogen can
then either be stored safely or injected into existing natural
gas pipelines for transport to end users.
It is obviously imperative that the entire value chain is monitored continuously for safety. That includes maintaining
proper electrolyzer performance, as well as avoiding potentially explosive leaks. In addition, measuring the amount
of hydrogen present in the natural gas critical for utility
companies, pipeline and transport customers, and of course
the end customer, since hydrogen affects the BTU value of
the natural gas. Knowing hydrogen levels in real time allows
operators to make continuous adjustments that optimize
hydrogen usage and ensure safe operation.
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H2scan in-line analyzers can be installed in many locations:
n On either side of the electrolyzer or fuel cell
n At mixing stations or injection points
n Along the natural gas pipeline
n At custom sites just upstream of burners
Historically, hydrogen has been measured either using a thermal
conductivity device (TCD) or a gas chromatograph. The shortcomings of these analyzers are well known: they tend to work
well with complex gas streams, may provide unreliable data in
certain applications (often requiring a second analyzer to verify
the results), or are expensive and dif昀椀cult to use correctly. The
delayed response time, complexity and maintenance requirements, and cost (both upfront and on going) can make the gas
chromatograph an unappealing option.
Using an H2scan in-line process monitor combines the value
and measurement speed of a TCD with the accuracy of a GC.
By having the hydrogen measurement available in real-time,
processes throughout the entire hydrogen economy value chain
can be tightly controlled for process optimization to maximize
pro昀椀tability.
H2scan's HY-OPTIMA® 5030 Series hydrogen speci昀椀c analyzers featuring auto-calibration measure hydrogen in complex
gas streams, including natural gas. The H2scan solid-state,
non-consumable sensor technology provides real-time continuous hydrogen concentration data with no cross-sensitivity
to any other gases in the stream, including CO and H2S. No
reference or carrier gas systems are required to reliably and
accurately report real-time hydrogen measurements with fast
response times. For more information please visit www.h2scan.com
pg.39
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