{"id":2548,"date":"2021-12-05T08:00:30","date_gmt":"2021-12-05T06:00:30","guid":{"rendered":"http:\/\/www.polomagona.it\/?p=2548"},"modified":"2021-12-17T10:29:44","modified_gmt":"2021-12-17T08:29:44","slug":"pilot-testing-of-a-dry-hcl-abatement-process-for-geothermal-steam","status":"publish","type":"post","link":"https:\/\/www.polomagona.it\/?p=2548&lang=en","title":{"rendered":"Pilot testing of a dry HCl abatement process for geothermal steam"},"content":{"rendered":"
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Pilot testing of a dry HCl abatement process for geothermal steam<\/a><\/span><\/h3>\n<\/div>

Published on the journal Chemical Engineering Transactions<\/i><\/strong> edited by AIDIC – Associazione Italiana Di Ingegneria Chimica<\/strong>, the article “Pilot testing of a dry HCl abatement process for geothermal steam<\/a><\/strong><\/span>“.<\/p>\n

The article is written by CPTM withe the participation of Enel Green Power and Dipartimento di Ingegneria Civile e Industriale dell’Universit\u00e0 di Pisa.<\/p>\n

Abstract
\nIn many geothermal areas, an abatement of hydrochloric acid present in the steam is essential in order to produce energy before turbine expansion. In fact, concentrations of acid higher than 5 ppm risk seriously corroding the turbine, significantly increasing the costs of this energy source. In 2018, Enel Green Power decided to support a research project, called Georockwash, and aimed at identifying a new process for the abatement of HCl in geothermal steam with the collaboration of Magona Technological Pole, as a centre specialized in the experimentation of industrial processes on a pilot scale.
\nThe project has developed a new abatement process based on the use of dry CaCO3<\/sub>, as agent for the neutralization of acid. The process has been tested initially on a laboratory scale and then on a pilot scale with the construction of a 500 kg\/h steam plant, skid mounted and transportable.
\nThe experimentation campaign on the pilot plant was conducted first at the facilities of the Magona Pole and then at an Enel Green Power geothermal power plant. In the experimentation the effects of the main operating parameters on the abatement efficiency were evaluated and correlated with a semi-empirical equation.
\nFinally, the experimentation showed abatement efficiencies often higher than 95%, confirming the suitability of the new process for geothermal use with low investment and operating costs.<\/p>\n<\/div>

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