There are a wide variety of hydrogen compressor and pump technologies in use today. Types of compressors include diaphragm, reciprocating piston, and centrifugal. Pumps for hydrogen applications consist of various kinds of positive displacement systems. Each compressor and pump system operates using different methods, and each is used for specific reasons and for specific markets.
To introduce readers to this topic, we asked several hydrogen compressor and pump manufacturers to describe the systems used in hydrogen applications today.
FUNDAMENTALS
Hydrogen is the simplest and most abundant element in the universe. (See CGI, Feb. 2008, p. 52.) It is an efficient, non-polluting, renewable fuel. Emerging hydrogen technologies require the storage and the use of hydrogen at high pressures.
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