Abstract
Objectives: Toconstruct modified PGH in order to purify the content of salt production located in Nambakor, Sumenep, Indonesia and to verify the salt quality by using X-Ray Diffractometer (XRD). Methods: The dimension of modified PGH is the area of 7 × 7 m with a height of 2.5 m. The final reservoir and base layer of modified PGH are formed of geomembrane, while the roof is made of 6% UV micro plastic. In addition, refractive index test by using refractometer A/B is performed to evaluate densities of salt samples. Findings: Eventually, we successfully turn out pure salt that have been verified by using XRD. Furthermore, we could understand the comparison of harvest time using conventional and modified PGH process. Improvements: Salt farmers in Nambakor will be able to diversify advantages of salt into industry and pharmacy purposes not just for daily consumption. Therefore, the beneficial improvement will gain the competitiveness of domestic salt production. Keywords: Conventional Process, Modified Prism Green House (PGH), Refractometer, Salt Quality, X-Ray Diffractometer (XRD)
Highlights
Salt is a chemical substance of NaCl compounded with impurities, namely calcium sulfate (CaSO4), magnesium sulfate (MgSO4) and magnesium chloride (MgCl2)
Characteristics of salt produced by conventional process (Figure 7) and modified Prism Green House (PGH) process (Figure 8) can be plotted as follows
Salt samples produced by conventional and modified PGH process on crystal table are prepared into dry powder before quantified by X-Ray Diffractometer (XRD)
Summary
Salt is a chemical substance of NaCl compounded with impurities, namely calcium sulfate (CaSO4), magnesium sulfate (MgSO4) and magnesium chloride (MgCl2). The quality of salt is determined by quantify the percentage of NaCl. Commonly, the percentage of NaCl for daily consumption is less than 94%. The quality of salt depends on the location of seawater resources and the infrastructures of the salt industry. This is because ponds of collected seawater are influenced by compounds of the soil, the content of NaCl is 84, 76%-88, 96%. The implementation of ceramics and geomembrane technology is one of methods to increase the production and quality of salt. This technology is expected to accelerate the evaporation process of salt production and the crystallization process.
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