High-Productivity Traditional Bali Palung Salt Method for Small Production Fields

Misri Gozan, Yety Rochwulaningsih , Singgih Tri Sulistiyono, Makhfud Efendy, Nurul Intan, Andre Fahriz Perdana Harahap, Hafidzurrahman Suhairi, Muhammad Yusuf Arya Ramadhan, Nurul Hidayat, Siti Fauziah Rahman, Mahendra P. Utama, Noor Naelil Masruroh, Susilo Budiyanto, Muhamad Sahlan, Shigenori Kumazawa


Used for many generations in several Bali villages, palung is a traditional salt production method involving filtration through a soil–sand medium. This study examines and compares the chemical composition, yield, and crystal structure of salt produced using the palung method at three different locations in Bali. The filtration of seawater through the soil–sand medium produced NaCl with a purity of 81.7–90.7%, a higher purity than that produced in Indonesia using conventional methods. The observed productivity of the salt palung field was very high compared to that of conventional and other unconventional/modern methods (100–135 ton/ha). Atomic absorption spectrometry revealed that salt samples from the three different sites contained no heavy metals. The observed dendritic structure of palung salt crystals differs from conventional salt, which is more amorphous. Since the palung method requires less land area for production, smaller salt farms can use this method.



Keywords: palung salt production, Bali, soil-sand filtration, characterization, purity.





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