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Oxygen plant complex for Gas-to-Liquids plant includes local standby boiler for start-up & back-up power

IP.com Disclosure Number: IPCOM000032044D
Publication Date: 2004-Oct-20
Document File: 1 page(s) / 21K

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Oxygen plant complex for Gas-to-Liquids plant includes local standby boiler for start-up & back-up power

To start up and provide back-up steam and power to a large integrated complex such as a Gas-to-Liquid plant, a stand-by steam generator is required.  Most of this start-up and back-up steam requirement is for steam turbine driven air compression, either for oxygen production in an air separation unit (ASU) or for air-based syngas generation.

This steam generator can therefore be sited local to the air compressor and/or air separation unit complex and controlled as part of the compression system and/or ASU and/or operated by the same operators as the compression system and/or ASU.

Steam may also be exported either continuously or intermittently to other plants, for example to other GTL plants for start-up, to power plants or to other oxygen plant complexes for start-up or back-up.

In this way, a minimum quantity of oxygen or air can be provided independently of the operation of the GTL plant.

One boiler can provide steam to a number of users at different times and the capital cost of installing additional boilers on other sites can be saved.