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EDULEARN24
EDULEARN25 Proceedings
17th International Conference on Education and New Learning Technologies
Palma, Spain. 6/30~7/2, 2025.
NESEP Conference/Competition ISBN: 979-8-89480-847-5
ISBN 2: 979-8-89480-848-2
Annual Conference
Publisher: NESEP

The Effect of Brassica oleracea var. sabellica Extract on the Ability to Inhibit Steel Corrosion
by Yoervin Espinal Francisco

March 15, 2022
(*Please email us at info@nesep.org for the information on membership to get access to the full article.)

Abstract: 

Metal corrosion in the US costs $2.5 trillion annually, which is equivalent to ~3.4% of the world’s gross domestic product. Implementing corrosion inhibition methods will result in global savings of 15-35% of that cost, or $375-875 billion. Kale extract could have the properties to minimize corrosion. This study will test the inhibition properties of kale extract on steel corrosion. To create the kale extract, kale leaves were dried in an incubator. They were ground into a fine powder and transferred into a flask, with the addition of 250 ml of water.  The mixture was heated until 50 ml evaporated,  then it was stored in a fridge for later use. The steel was cut into 6 sheets. 3 steel samples were kept for the experimental group and 3 steel samples were kept for the control group. The experimental group was submerged in the kale extract. All 6 steel pieces were submerged in hydrochloric acid. Mass and observations were taken daily. Over time the mass of the control group diminished faster than the experimental group. The corrosion rate was greater in the control group than the experimental group. These results demonstrate kale extract is an effective inhibitor for steel corrosion.

Keywords:  Brassica oleracea, steel corrosion, kale leaves

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