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Cutting Niches in Rock Salt by Means of a High-Pressure Water Jet in Order to Accelerate the Leaching of Storage Caverns for Hydrogen or Hydrocarbons

1
Faculty of Mining and Geoengineering, AGH University of Science and Technology, Mickiewicza 30 av, 30-059 Kraków, Poland
2
Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, Mickiewicza 30 av, 30-059 Kraków, Poland
*
Author to whom correspondence should be addressed.
Energies 2020, 13(8), 1911; https://doi.org/10.3390/en13081911
Received: 19 March 2020 / Revised: 6 April 2020 / Accepted: 12 April 2020 / Published: 14 April 2020
(This article belongs to the Section Energy Storage and Application)
The article explores the potential for modification of the well-known salt cavern leaching process for brine production or/and hydrocarbon or hydrogen storage facilities, enabling the acceleration of the pace of acquiring new storage capacities with their increased geomechanical stability. The innovative technology is based on the use of high-pressure water jet technique for disc niche cutting in salt rock. The effect of such operations is a significant increase in the contact area of the water with the rock during cavern leaching and faster concentrated brine recovery already in the first leaching phase. This aspect was tested in 67 tests performed for three different types of rock salt: green, pink, and Spiza salt. Laboratory tests of the successive cutting of niches with a stream of water at 500 bar were carried out. The effectiveness of water jet was demonstrated and the possibilities of effective cutting of niches. Significant relationships were found between the obtained depth of niches at a given stream pressure and the duration of individual operations. Depending on the type of salt, the rate of increase in their depth was determined. The presented test results precede the much larger upscaling project, currently at the preparatory stage. View Full-Text
Keywords: gas; hydrogen and fuel storage; salt caverns; leaching gas; hydrogen and fuel storage; salt caverns; leaching
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MDPI and ACS Style

Korzeniowski, W.; Poborska-Młynarska, K.; Skrzypkowski, K.; Zagórski, K.; Chromik, M. Cutting Niches in Rock Salt by Means of a High-Pressure Water Jet in Order to Accelerate the Leaching of Storage Caverns for Hydrogen or Hydrocarbons. Energies 2020, 13, 1911.

AMA Style

Korzeniowski W, Poborska-Młynarska K, Skrzypkowski K, Zagórski K, Chromik M. Cutting Niches in Rock Salt by Means of a High-Pressure Water Jet in Order to Accelerate the Leaching of Storage Caverns for Hydrogen or Hydrocarbons. Energies. 2020; 13(8):1911.

Chicago/Turabian Style

Korzeniowski, Waldemar; Poborska-Młynarska, Katarzyna; Skrzypkowski, Krzysztof; Zagórski, Krzysztof; Chromik, Mariusz. 2020. "Cutting Niches in Rock Salt by Means of a High-Pressure Water Jet in Order to Accelerate the Leaching of Storage Caverns for Hydrogen or Hydrocarbons" Energies 13, no. 8: 1911.

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