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All Journal Jurnal Pengolahan Hasil Perikanan Indonesia BULETIN OSEANOGRAFI MARINA Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Journal of Marine Research REKAYASA Jurnal Kimia Riset Jurnal SOLMA Jurnal Pembelajaran Pemberdayaan Masyarakat (JP2M) Mestaka: Jurnal Pengabdian Kepada Masyarakat
Wiwit Sri Werdi Pratiwi, Wiwit Sri Werdi
Department of Chemistry, Sepuluh Nopember Institute of Technology (ITS), Jl. Arief Rahman Hakim,Sukolilo, Surabaya 60111
Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Mechanical Engineering Physics Social Sciences Other

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Journal : REKAYASA

 1 
Analisis Kadar Magnesium dan Kalium pada Garam Rich Minerals Kartika, Ary Giri Dwi; Pratiwi, Wiwit Sri Werdi; Indriawati, Novi; Jayanthi, Onie Wiwid
Rekayasa Vol 12, No 1: April 2019
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (323.457 KB) | DOI: 10.21107/rekayasa.v12i1.5094

Abstract

Pemenuhan sumber mineral dalam makanan yang seimbang mampu menunjang terca­painya kondisi tubuh yang sehat. Garam rich minerals selain digunakan sebagai bumbu dan penyedap makanan, merupakan salah satu sumber mineral yang dibutuhkan oleh tubuh. Kombinasi Ka­n­du­n­gan NaCl dan berbagai mineral lainnya yang tidak dihilangkan dalam proses produksi garam rich minerals mampu menjaga keseimbangan elektrolit dalam tubuh demi memp­ertahankan komposisi keseluruhan fungsi tubuh. Pada penelitian ini, garam rich minerals dihasilkan dari proses penguapan air laut bebas kontaminasi dan tidak menghilangkan berbagai mineral lain­­­nya yang terkandung di dalam air laut. Setiap 1000 ml air laut yang direbus menghasilkan rata-rata 34 gram kristal garam. Data analisis kimia menunjukan kadar air sebesar 5%, NaCl sebesa­r 88% ; kalium sebesar 0.024% serta magnesium sebesar 0.476%. Dari data tersebut garam rich minerals memenuhi SNI syarat mutu garam gurih. Kata kunci: Garam, Rich Minerals, Magnesium, KaliumAnalysis of Magnesium and Potassium Content in Rich Minerals SaltABSTRACTThe Fulfillment of mineral resources in balanced food can support the achievement of a healthy body condition. Rich minerals salt is one of the sources of minerals needed by the body beside it being used as a food seasoning and flavoring. The combination of NaCl content and various other minerals that are not removed in the production process of rich minerals can maintain the electro­lyte balance in the body to maintain the overall composition of body functions. In this study, rich mineral salts were produced from contamination-free seawater evaporation processes and did not eliminate various other minerals contained in seawater. Every 1000 ml of boiled sea water produces an average of 34 grams of salt crystals. Chemical analysis data showed a wate­r content of 5%; NaCl 88%; potassium 0.024% and magnesium 0.476%. From that data, rich minera­ls salt fulfill savory salt quality requirements by SNI. Keywords : Salt, Rich Minerals, Magnesium, Potassium
Review Analisa Kondisi Optimum Dalam Proses Pembuatan Biogas Kurniati, Yuni; Rahmat, Anni; Malianto, Bilal Ivandra; Nandayani, Dita; Pratiwi, Wiwit Sri Werdi
Rekayasa Vol 14, No 2: Agustus 2021
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v14i2.11305

Abstract

Biogas is a gas produced by anaerobic activity with the process of decomposition (degradation) of organic materials. Biogas can be produced from several sources of methane, including domestic (household) waste, biodegradable waste, animal waste, or organic wastes that can be decomposed under anaerobic conditions. This study aims to determine the effect of various conditions (time, pH, stirring time and the type and concentration of inoculum) on biogas production and to analyze the optimum conditions in the biogas production process. This research was conducted with the factors that influence the process of making biogas. Based on the analysis results obtained several processes in the production of biogas, among others, hydrolysis, acetogenesis, asedogenesis, and methanogenesis. The results of the previous experiment were the optimal biogas research from tofu liquid waste, biogas produced with a volume of 26,700 ml, within 36 days and was obtained using an operating temperature of 35-40ᵒC and using cow dung inoculum, and using a 36 liter digester.
Hubungan Fluktuasi Parameter Fisika dalam Produksi Garam Rich Minerals Dengan Media Prototype di Salt House Yoseva, Vellia; Indriyawati, Novi; Pratiwi, Wiwit Sri Werdi; Efendy, Makhfud
Rekayasa Vol 14, No 3: Desember 2021
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v14i3.12556

Abstract

Madura Island is one of the largest salt producing areas in Indonesia. Salt is included in the type of complementary ingredients in every dish. Rich Mineral salt is salt obtained from the total crystallization process without removing various minerals contained in the raw materials, so that the mineral content is higher than consumption salt in general. This study aims to describe the fluctuations and the relationship between physical parameters consisting of water temperature, water density and water level during the salt production process. This study uses three prototype geomembranes with a size of 60x40x16 cm in salt production. This study uses quantitative methods in the form of numbers obtained based on facts in the field. The results of this study are that the three prototypes have a temperature range, water density and water level that are not significantly different. This is showed by the results of the ANOVA test, where the P-value of the three prototypes is greater than the alpha value (α). In this study also obtained a correlation value between the parameters of water density and water level. The correlation value resulting from the calculation of the linear equation between the two parameters is 0.93. Based on these results, it can be interpreted that the water density and water level have a correlation relationship of 93%. So, it can be concluded that the higher the water level, the lower the water level.  
Studi Komparasi Parameter Lingkungan Proses Produksi Garam di Indonesia Fauziyah, Lailatul; Yulitasari, Fara’idhya Intan; Maulana, Ilham; Camila, Aysyah Fitria; Efendy, Makhfud; Nuzula, Nike Ika; Pratiwi, Wiwit Sri Werdi
Rekayasa Vol 18, No 3: Desember, 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v18i3.28434

Abstract

Indonesia has great potential as a salt-producing country due to its extensive coastline and favorable geographical conditions. However, the quality and quantity of domestic salt production are still suboptimal and fail to meet the domestic industrial salt demand. This study aims to analyze and compare environmental parameters that influence the suitability of salt pond sites in several regions of Indonesia, as well as to understand the salt production process based on the deposition of impurities at various stages of crystallization. The study was conducted at eight locations with different climatological and hydrological characteristics, including rainfall, soil permeability and type, duration of sunlight, air humidity, wind speed, air temperature, evaporation rate, and water saturation. The results of the study indicate that environmental parameters play a role in determining the effectiveness and efficiency of the salt production process. Pati and Aceh Besar districts are classified as unsuitable (N) for soil parameters, thus requiring adaptive technologies such as geomembranes and boiling methods. The salt crystallization process begins with the flow of seawater from the bozem to the crystallization table, where impurities such as mud, sand, Fe₂O₃, CaCO₃, CaSO₄•2H₂O, and gypsum are gradually deposited. Meanwhile, NaCl deposits form on the crystallization table, and MgSO₄ and NaBr compounds are found in the bittern pond. This study emphasizes the importance of land suitability mapping based on environmental parameters to enhance national salt productivity and quality, as well as serving as a foundation for developing more adaptive salt production policies tailored to regional conditions.
Co-Authors Abidah, Indah Wahyuni Afnani, Fawait Anni Rahmat Aries Dwi Siswanto Ary Giri Dwi Kartika Ashari Wicaksono Asih, Eka Nurrahema Ning Camila, Aysyah Fitria Efendi, Makhfud Efendy , Makhfud Effendy, Makhfud Fitriani, Atiqah Hafiludin, H Hidayatullah, Muhamad Aziz Ilham Maulana Indriawati, Novi Ismawati, Nurul Kurniati, Yuni Lailatul Fauziyah Makhfud Efendy, Makhfud Malianto, Bilal Ivandra Nandayani, Dita Novi Indriyawati Nuzula, Nike I Nuzula, Nike Ika Onie Wiwid Jayanthi Ramadhani, Andini Rizky Rizqiyeh, St. Salsabila, Marwa Setiawati, Sulastiana Sofiya, Lely Suci, Desi Suryana Widiyawati, Devita Yanti, Jamilah Hamidi Yoseva, Vellia Yulitasari, Fara’idhya Intan