Pipelines
Built nearby large industrial centers and petrochemical complexes in North America, South America and Europe, Praxair maintains sophisticated pipeline operations for large volume users of industrial gases.

The only industrial-gas supplier with a production facility in Michigan (in Ecorse), the heart of American auto manufacturing, Praxair's 35-mile pipeline connects to numerous manufacturing operations and has undergone a $35-million renovation that will increase capacity by one-third, to 4,500 tons of gases per day.

In North America, Praxair operates eleven pipeline complexes that supply our customers with more than 390 million cubic feet of hydrogen each day.

Pipeline supplies from existing Praxair facilities offer flexibility and economy if your operation consumes high tonnage quantities of hydrogen. Praxair operates pipeline networks in the Gulf Coast area of Texas; Whiting, Indiana; Ontario, California; Theodore, Alabama; Geismar, Louisiana; Ecorse, Michigan; and Edmonton, Alberta, Canada to supply hydrogen to customers in these areas. We control and monitor each of our pipeline streams to ensure purity and meet process variables such as flow rates and required pressures. Sources for these pipelines include:

» Pressure swing adsorption, the principal process to recover and purify byproduct feedstock
» Membrane gas separation, which provides hydrogen at 95 percent purity or higher, using membranes that separate and remove impurities from hydrogen-containing streams
» Steam methane reformers
» Partial oxidation gasification