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Capacity increase in Nitric acid plant with Casale High Pressure Bleacher revamping

Capacity increase in Nitric acid plant with Casale High Pressure Bleacher revamping

Casale HP bleacher revamping scheme ensures a substantial capacity increase of dual pressure nitric acid plants. The strategy behind is to install a new air compressor that supplies the additional feedstock air at the same pressure level of the absorption section. This additional air is used to bleach the nitric acid through a new dedicated equipment: the HP bleacher.
The main air compressor is then unloaded of the secondary air and this extra air can be used to proportionally increase the NA capacity.
The revamping target is then achieved with none or limited impact on the major key equipment: the turbo compressor set. Considering that the dual pressure plant turbotrain is a 4 in 1 machine, any overhauling is high demanding and by minimizing the interventions the following distinctive advantages can be achieved:

  • Minimize the shutdown period, shortening the revamping intervention schedule;
  • Limit the expensive and critical activities on the Turboset;
  • No compromise to operate the plant at the original capacity turndown.

The presentation highlights the major features of this revamping approach.

The webinar recording is only available for our registered users. Please click here to login or register.

Event Information

Event Date April 20, 2021
Event End Date April 20, 2021
Location Casale SA - Lugano, Switzerland

Presenter

Iacopo Cerea

Technology Manager

Mr. Cerea has been working for CASALE process department for more than 15 years dealing with a wide range of technologies from Ammonia Methanol and Nitric acid.
Currently he is covering the role of Technology Manager for Nitric acid and Ammonium Nitrate Solution.

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