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Desalination using clay and lime sacrificial plasters with additives on field stone wall and fired clay bricks

Journal of physics. Conference series, 2021-11, Vol.2069 (1), p.12087 [Peer Reviewed Journal]

Published under licence by IOP Publishing Ltd ;ISSN: 1742-6588 ;EISSN: 1742-6596 ;DOI: 10.1088/1742-6596/2069/1/012087

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  • Title:
    Desalination using clay and lime sacrificial plasters with additives on field stone wall and fired clay bricks
  • Author: Leiten, K ; Sirelpuu, H ; Kiviste, M
  • Subjects: desalination ; local natural materials ; sacrificial plaster
  • Is Part Of: Journal of physics. Conference series, 2021-11, Vol.2069 (1), p.12087
  • Description: Abstract Salt deteriorations can ruin the appearance as well as the structure of buildings. Salt deteriorations can be mitigated by passive and active methods. Common active methods include sprinkling water on the structure, scraping off the concentrated salts from the surface and the use of sacrificial plasters. Sacrificial plasters are traditionally used for desalination. Two tests at different sites were performed in order to determine the effectiveness of desalination of different sacrificial plasters. The first test site was a two hundred years old stable wall in Mooste county, Estonia. Salt percentage by mass in the test wall was determined in 2017 and again in 2019. In December 2019 different plasters of local natural clay and lime with additives such as hemp flax, charcoal and turf were tested on the wall. The second test was performed on burnt clay bricks that were placed into salt solution until efflorescence appeared. For desalination process again, different clay and lime based sacrificial plasters were used. After removing the sacrificial plaster, samples from the mortar and bricks were taken to measure the salt content by using Ion chromatography. Clay and hemp flax based sacrificial plasters were the most suitable for desalination and removal.
  • Publisher: IOP Publishing
  • Language: English
  • Identifier: ISSN: 1742-6588
    EISSN: 1742-6596
    DOI: 10.1088/1742-6596/2069/1/012087
  • Source: IOP Publishing Free Content
    IOPscience (Open Access)
    GFMER Free Medical Journals
    ProQuest Central
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