Glossary

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Alkaline Water Electrolysis

Alkaline water electrolysis utilizes two electrodes operating in a liquid alkaline electrolyte solution, usually potassium hydroxide (KOH). Potassium hydroxide is a strong base and is caustic. When water is alkaline,  there are ions in the water to conduct electricity for electrolysis to occur. These electrodes are separated by a diaphragm, separating the product gases and transporting the hydroxide ions from one electrode to the other. Proton exchange technology removes the need for strong and caustic bases that are necessary in order to drive the electrolysis process.

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Ammonia (fertilizer)

 Artificial nitrogen fixation is the main industrial procedure for the production of ammonia today. It converts atmospheric nitrogen to ammonia by a reaction with hydrogen using a metal catalyst under high temperatures and pressures. The ammonia produced is used for fertilizing agricultural crops.

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Anaerobic Digestion

Breaking down organic material in the absence of air or oxygen. Anaerobic digestion of organic matter creates methane and carbon dioxide, which can be reformed, yielding high volumes of hydrogen.

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Analytical Instruments

Devices which evaluate the composition, weight, or other particulars of a substance, compound, or mixture. Examples of analytical instruments include: chromatography columns; spectrometers; elemental analyzers; liquid chromatographers; gas chromatographers; and scales. Proton OnSite's gas generators are often used to generate carrier and lift gases in these processes.

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Anion Exchange Membrane (AEM)

An anion exchange membrane acts as a semipermeable membrane through which anions permeate while oxygen or hydrogen are impermeable through the membrane in an electrochemical reaction. This exchange process can produce high purity hydrogen. 

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Annealing

A heat treatment where you heat a metal (or glass) above its recrystallization temperature, maintain the temperature, then allow it to cool. Annealing is conducted in order to increase its ductility and reduce its hardness. This process strengthens the metal (or glass) to make it more pliable and workable. During the annealing process, the number of dislocations in the crystalline lattice decreases, allowing its hardness to decrease and its pliability to increase. Hydrogen gas is frequently used to create an atmosphere for many metallurgical processes including annealing. 

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Argon Purification

Argon is produced by the fractional distillation of liquid air. Mostly used as an inert shielding gas in welding and  high-temperature industrial processes, argon purification is required where ordinarily unreactive substances are forced to become reactive.

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Balloon Filling

Using gas generators to fill large balloons. Typically referred to in meteorological applications such as filling weather balloons. Hydrogen gas generators are efficient and cost effective in balloon filling because they remove the need for gas supply and storage and only produce at your demand.

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Bench-top Generators

Efficiently-sized equipment intended to save valuable workbench space in the laboratory. Bench-top generators are able to be used from, and save space on a lab bench.

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Biogas

Gas fuel derived from the digestion of biological waste materials such as sewage, garbage, and crops. 

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