2011
DOI: 10.1088/1757-899x/25/1/012004
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Desalination of brick masonry and stone carvings in Capitullum hall of Riga Dome Cathedral

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Cited by 4 publications
(4 citation statements)
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“…Organic materials poultices such as lignin are very thin for excessive amounts of salts, and there is a risk that they will not be able to receive all the salts, allowing, for this reason, their migration back into the substrate [34]. However, according to the study conducted by Auras [35], the extraction of salts is more effective with poultices made of clay minerals, as their fine pores produce a high capillary pressure, which translates into high suction when they are in contact with the architectural finishes.…”
Section: Clay Layermentioning
confidence: 99%
“…Organic materials poultices such as lignin are very thin for excessive amounts of salts, and there is a risk that they will not be able to receive all the salts, allowing, for this reason, their migration back into the substrate [34]. However, according to the study conducted by Auras [35], the extraction of salts is more effective with poultices made of clay minerals, as their fine pores produce a high capillary pressure, which translates into high suction when they are in contact with the architectural finishes.…”
Section: Clay Layermentioning
confidence: 99%
“…Also a good hydraulic contact between the poultice and the object is required. Compared to diffusion methods, less moisture is brought into the object and also smaller number of repetitions is required [75]. Additionally, the accumulation of salt in the poultice can effectively decrease the pore sizes and improve the salt extraction process [76].…”
Section: Active Desalination Techniquesmentioning
confidence: 99%
“…Based on the above mentioned, it is preferable to use advection-based poultices [75]. For this purpose, the poultice has to be adapted to the pore-size distribution of a substrate in order to create effective salt extraction by poultices [41].…”
Section: Active Desalination Techniquesmentioning
confidence: 99%
“…A similar desalination methodology involves the covering of materials with renderings that favour the extraction of soluble salts extraction from the materials (Fassina et al 2002;Setina et al 2009;Grave et al 2011). This render could work as a ''sacrificial'' layer renewed periodically.…”
Section: Salt Contamination Remediationmentioning
confidence: 99%