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contact process

noun, Chemistry
a catalytic method for producing sulfuric acid from sulfur dioxide and oxygen.
1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for contact process
  • There are two major processes that have been used to produce sulfuric acid, the chamber process and the contact process.
  • All family emergencies must go through the facility emergency contact process at your offender's location.
  • It is a biological contact process in which bacteria is commonly found.
  • Senior leaders are a key part of our integrated customer contact process that has been developed with our key customers.
  • Developing, implementing, and maintaining a parent involvement and contact process.
  • Closed tube, non contact process producing a controlled focused acoustic field inside a closed vessel.
Encyclopedia Article for contact process

modern industrial method of producing sulfuric acid; it has largely replaced the chamber, or lead-chamber, process. Sulfur dioxide and oxygen, passed over a hot catalyst, unite to form sulfur trioxide, which in turn combines with water to make sulfuric acid.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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