Purification and In situ Iodisation of Blotong Solid Waste into Consumption Salt in Iodized-Salt Industry

Nilawati Nilawati, Marihati Marihati

Abstract


The solid waste of iodized-salt industry are sapon (50-100 kilograms) and blotong (1-2 tons) per 10 tons per day. The objective of this research was for recycling blotong through purification, recrystallization and in situ iodisation to increase NaCl content and homogeneous KIO3. This research used two variables which were KIO3 concentration within 30,40, 50 & 60 ppm, and brine water of blotong that had soluted into 240Be (consist of salt water which purified with Na2CO3, NaOH and unpurified salt water). The composition of blotong were 12.318% water content, 46.409% Cl-, 82.685% pure NaCl, 0.784% Mg2+, 1.420% Ca2+ and 2.747% SO4.After purification and recrystallization, impurities was decreased, Mg2+ became 0.278% (64.54% reduction) and Ca2+ became 0.153% (89.23% reduction). NaCl content was increasing into 96.481% and fulfilled the NaCl standard of salt consumption based on SNI 3556-2010 (94.7%).

Keywords


blotong; in situ iodisation; purification; recycling; recrystallization

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References


BSN. (2010). Garam Konsumsi Beriodium. SNI 01-3556-2010. Badan Standardisasi Nasional, Jakarta.

BSN. (2000). Persyaratan Bahan Baku Untuk Garam Konsumsi Beryodium. Badan Standardisasi Nasional, Jakarta.

Comandini, P., Cerretani, L., Rinaldi, M., Cichelli, A., & Chiavaro, E. (2013). Stability of Iodine During Cooking: Investigation on Biofortified and not Fortified Vegetables. International Journal of Food Sciences and Nutrition. 64(7), 857-861.

Departemen Perinustrian R.I. (1976). Mutu dan Cara Uji Garam Konsumsi. SII 0140-76. Jakarta.

Dewi, F. K., Helmyati, S., & Hidayat, N. (2010). Stabilitas Kadar Iodium Dalam Garam Fortifikasi Kalium Iodida (KI) Menggunakan Nafeedta Pada Kondisi Penyimpanan Terbuka. Jurnal Nutrisia. 12(1), Maret 2010, Poltakes. Kemenkes Yogyakarta.

Diosady, L.L., Albert, J. O., Mannar, V.M.G. & FitzGerald, S. (2006). Stability of Iodine in Iodized Salt. http://archive. unu.edu/unupress/food/V193e/ch06.htm#b5-Conclusions.

Jeffery, G.H., Bassett, J., Mendham, J. & Denney, R.C. (1989). Vogel’s Texbooks of Quantitative Chemical Analysis. Fifth Edition. Longman Scientific & Technical Copublished In The United State With John Wiley & Son, Inc.. New York.

Marihati. (2011). Minimalisasi Beban Cemaran Industri Garam Beryodium Dengan Pemenuhan Mutu Garam Rakyat Melalui Pola Sentralisasi Air Tua dan Air Lewat Tua. Jurnal Riset Teknologi Pencegahan Pencemaran Industri. 1(3), 177-278.

Marihati. (2012). Good House Keeping pada IKM Garam Beryodium. Proceeding HKI. Seminar Nasional Kimia III. Unes Press. Semarang.

Marihati. (2013). Penerapan SNI Produk di Industri Kecil dan Menengah Garam Beryodium. Rafi Sarana Perkasa (ed 1), Semarang, ISBN: 978-602-7969-03-2.

Marihati & Muryati. (2014). Daur Ulang Limbah Padat Industri Garam Beryodium Melalui Proses Pemurnian dan Rekristalisasi. Proceeding Seminar Nasional Teknologi Industri Hijau I, 21 Mei 2014. Kementerian Perindustrian. Balai Besar Teknologi Pencegahan Pencemaran Industri. ISBN 978 602 285 015 1.

Maswati, Ambo U., & Prastawa B., (2003). Analisis Pengaruh Kandungan Zat Pengotor dan Zat Pereduksi Terhadap Kestabilan KIO3 Pada Garam Konsumsi. Marina Chimical Acta. 4(2), 13-17.

Petrucci & Ralph H., et al. (2007). General Chemistry: Principles and Modern Applications. Upper Saddle River, NJ: Prentice Hall. http://chemwiki.ucdavis. edu/Physical_Chemistry/Equilibria/Solubilty/Solubility Product_Constant_Ksp.

Setyopratomo, P., Siswanto, Wahyudi, Ilham & Heru, S. (2003). Studi Eksperimental Pemurnian Garam NaCl dengan Cara Rekristalisasi. Unitas, 11(2), 17-28.

Sulistyaningsih, T.W., Sugiyo, S.M.R. & Sedyawati. (201). Pemurnian Garam Dapur Melalui Metode Kristalisasi Air Tua dengan Bahan Pengikat Pengotor Na2C2O4 dan NaHCO3 [Electronic version]. Jurnal sain dan Teknologi. 8(1), 26-33.

Serra, C.M.J. & Serra, S.A. (2005). Purification and Refining of Salt for Chemical and Human Consumption. Salt Engineers. Salt Machinery Montseny-Pol. Ind. ST. Pere Molanta-08799. Olerdola-Barcelona, Spain.

Sedivy, V. M. (2006). Upgrading and Refining of Salt for Chemical and Human Consumption. Salt Partners Zurich, Switzerland.

Sugiyo, W., & Kurniawan, C. (2010). Perbandingan Penggunaan Naoh-NAH dengan NaOH-Na2 Sebagai Bahan Pengikat Impurities Pada Pemurnian Garam Dapur. Sainteknol, 8(1), 57-68.

Suprihatin. (2010). Pemanfaatan Air Laut Pada Pembuatan Mg(OH)2 dengan Penambahan Ca(OH)2 dari Dolomit. Jurnal Penelitian Ilmu Teknik. 10(1), 19-23. http://eprints.upnjatim.ac.id/ 2979/1/4._SUPRIH_AIR_LAUT. pdf.

Widayat, W. (2009). Production of Industry Salt with Sedimentation–Microfiltration Process: Optimazation of Temperature And Concentration By Using Surface Response Methodology. Teknik, 30(1), 11-18.




DOI: http://dx.doi.org/10.36974/jbi.v6i2.834

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