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Green hydrogen, made from renewables, is used to decarbonize hard-to-abate sectors like heavy industry (steel, chemicals, refining), transportation ( aviation, maritime shipping, heavy-duty vehicles), and for energy storage, balancing grids, and creating clean synthetic fuels and ammonia, offering a pathway to net-zero by replacing fossil-fuel-derived hydrogen and powering processes difficult to electrify.
It replaces "grey" hydrogen in making ammonia, chemicals, and refining; used in direct reduction for steelmaking, and in glass/cement production. ccan be blended with natural gas for residential/commercial heating or used in hydrogen-specific boilers, reducing fossil fuel reliance. Used in refineries to produce cleaner petroleum products and in chemical plants
Float glass is produced by floating molten glass on a bath of molten tin at ~1000°C. Tin oxidizes instantly in the presence of oxygen, forming dross that creates defects in the glass. To prevent this, the bath is enclosed in a "reducing atmosphere" of nitrogen (90-95%) and hydrogen (5-10%).
The hydrogen reacts with trace oxygen to form water vapor. If the dew point is not managed (<-60°C), defects occur. Delivered hydrogen requires tank changeovers and relies on trucks. A Kylin on-site system, backed up by a small buffer bank, provides 100% security.
Hydrogen is used as a carrier gas for dopants, in annealing atmospheres to repair crystal damage, and for lithography optics protection.
The semiconductor industry is increasingly intolerant of carbon contamination, which can be introduced via fossil-derived hydrogen. The process also requires hydrogen purity levels often exceeding 99.999% (5N)
Large thermal power generators (coal, gas, nuclear) universally utilize hydrogen gas as a coolant, chosen for its low density, which minimizes windage losses (friction) on the spinning rotor, and its exceptional thermal conductivity (seven times that of air), which efficiently transfers heat from the windings to exchangers.
On-site, small-scale electrolyzers (2–10 Nm³/h) offer a "produce-as-you-go" solution that eliminates cylinder
storage, enhancing plant safety and autonomy
Powder metallurgy (PM) involves pressing metal powders and heating them. Hydrogen is essential to strip oxygen atoms from the metal powder surfaces, allowing them to fuse (sinter) properly. Variations in gas purity (common with cylinder batches) lead to inconsistent part strength or sooting.
No need to adjust your furnace parameters for every new batch of cylinders, on-site electrolysis gives you the same gas chemistry, 24/7/365, leading to lower scrap rates.
Also, refractory metals like Tungsten (W) and Molybdenum (Mo) are processed from their oxide forms into pure metal powders using hydrogen reduction.
The production of high-purity polysilicon, the foundational material for solar PV cells and semiconductors, is heavily reliant on the Siemens Process or Fluidized Bed Reactor (FBR) technology. Both methods are hydrogen-intensive and represent a growing demand sink in nations moving up the solar value chain.
The process requires hydrogen purity levels often exceeding 99.999% (5N). Alkaline electrolyzers, when paired with de-oxygenation (Deoxo) and drying units, naturally produce hydrogen free of carbon species, making them technically superior for this specific application
Hydrotreated Vegetable Oil (HVO), also known as renewable diesel, is produced by hydroprocessing lipids (vegetable oils, animal fats). The process involves catalytic hydro-deoxygenation, where hydrogen is used to remove oxygen from triglycerides to create paraffinic hydrocarbons. This sector is critical for agricultural powerhouses like Indonesia, Malaysia, and Argentina.
A commercial HVO plant consumes tons of hydrogen per hour,
necessitating multi-megawatt electrolyzer installations.
The EU (RED II/III) mandates lower carbon intensity (CI) scores for imported biofuels. Replacing grey hydrogen (SMR) with green hydrogen in the hydrotreating process significantly lowers the final fuel's CI score, creating a "green premium" for the exporter.
Hydrogen peroxide is produced almost exclusively on an industrial scale via the Anthraquinone Auto-oxidation (AO) process. This sector is witnessing a shift toward decentralized production, particularly in Indonesia and India, driven by the textile and pulp & paper industries.
For greenfield H2O2 plants located near demand centers (remote paper mills) rather than petrochemical hubs, on-site electrolysis eliminates the capital expenditure of a full reformer plant and the logistics of gas transport.