Mineral Struvite Dari Batuan Dolomit Dengan Reaktor Kolom Sekat

Adiman, Thareq Muhammad Fathan; Feriyanto, Ahmad; Sutiyono,; Edahwati, Luluk

doi:10.33005/jurnal_tekkim.v14i2.2034

Cited by 4 publications

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“…The core grows larger with the addition of solute molecules from a solution oversaturated. This phenomenon is called crystal growth (Adiman et al, 2020).…”

Section: Struvite Crystallizationmentioning

confidence: 99%

Manufacture of Struvite From Industrial Waste Sodium Tripolyphosphate Using Bulkhead Column Reactor

2022

Nusantara Science and Technology Proceedings

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The utilization of Industrial Waste Sodium Trypolyphosphate to be used as struvite fertilizer is still very few. Sodium Trypolyphosphate Industrial Waste has a very high phosphate content, which is 21610 mg/l. Struvite is one type of inorganic fertilizer, where this fertilizer is a slow-release fertilizer. This fertilizer is known as Magnesium, Ammonium, Phosphate. The main objective of this study was to determine the best temperature and molar ratio in the formation and quality of the struvite produced. In this study, uses a device in the form of a Bulkhead Column Reactor, with the help of air as a stirrer. The process with the Bulk Column Reactor is carried out using several variables, namely the temperature variable and the molar ratio variable. The temperature used is 30 o C. As for the molar ratio, it is, 1:1:1; 2:1:1 and 3:1:1. The best results from this study were at a temperature of 30 o C with a molar ratio of 3 : 1: 1, where the struvite produced had a magnesium content of 3.8% and a phosphate content of 33.8%.

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“…The core grows larger with the addition of solute molecules from a solution oversaturated. This phenomenon is called crystal growth (Adiman et al, 2020).…”

Section: Struvite Crystallizationmentioning

confidence: 99%

Manufacture of Struvite From Industrial Waste Sodium Tripolyphosphate Using Bulkhead Column Reactor

2022

Nusantara Science and Technology Proceedings

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“…Kemudian meningkatkan kecepatan terjadinya reaksi. Dengan memberikan gelembung udara dan membiarkannya naik sehingga tercapai homogenitas pada larutan (19) . Laju alir udara juga memainkan peran yang penting dalam meremoval NH4-N dari suatu larutan (20) , bahkan laju alir udara dapat mengencerkan konsentrasi fase gas NH4-N dan mendorong peningkatan pelarutan NH4-N untuk berpisah pada fase gas (21) .…”

Section: Latar Belakangunclassified

“…Magnesium yang terkandung mengalami penurunan stabilitas pada kristal struvite dan menyebabkan kristal pecah (21,25) . Apabila inti kristal tidak stabil, maka kristal cenderung larut kembali pada larutan (19) . Pada laju alir yang tinggi, struvite tidak mampu bertahan sehingga kristal akan kembali larut pada larutan.…”

Section: Kandungan Magnesium Dan Fosfor Pada Pupuk Struviteunclassified

Pembentukan Pupuk Struvite dari Limbah Cair Industri Tempe dengan Proses Aerasi

2021

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Struvite, also known as magnesium ammonium phosphate hexahydrate, is a white crystal with a chemical formula magnesium ammonium phosphate hexahydrate (MgNH4PO4.6H2O). Because of its phosphate content, struvite can be utilized as a fertilizer. Tempeh industrial effluent contains a high concentration of PO4, making it a possible struvite fertilizer producing material. The formation of struvite fertilizer is carried out by the aeration process. This process is able to increase the pH and homogeneity of the solution. The solution of Magnesium Ammonium Phosphate (MAP) is prepared by reacting tempeh industrial wasterwater, Magnesium Chloride (MgCl2), and Ammonium Hydroxide (NH4OH). The MAP ratios used are 1:1:1 and 3:1:1. The temperature was set at 30 °C and pH 9, the airflow rate was carried out at a rate of 0.25 - 1.25 liters per minute. Struvite crystals were analyzed using X-ray Fluorescence (XRF) and Scanning Electron Microscope (SEM). The best struvite fertilizer content is magnesium by 40.3% and phosphorus by 43.9% at an air flow rate of 1.25 liters per minute and a ratio of 3:1:1. Further development can be done by applying struvite fertilizers to plants. Keywords: aeration, crystallization, tempeh industrial wastewater, struvite ABSTRAK Struvite adalah kristal putih yang secara kimiawi dikenal sebagai magnesium amonium fosfat heksahidrat (MgNH4PO4.6H2O). Struvite dapat dimanfaatkan menjadi pupuk karena kandungan fosfat (PO4) di dalamnya. Limbah cair industri tempe memiliki kandungan PO4 yang cukup tinggi, menjadikan limbah cair industri tempe adalah bahan pembentuk pupuk struvite yang potensial. Pembentukan pupuk struvite dilakukan dengan proses aerasi. Proses ini mampu meningkatkan pH dan homogenitas dari larutan. Larutan MAP (Magnesium Amonium Fosfat) dibuat dengan cara mereaksikan limbah cair industri tempe, Magnesium Klorida (MgCl2), dan Amonium Hidroksida (NH4OH). Rasio MAP yang digunakan adalah 1:1:1 dan 3:1:1. Temperatur ditetapkan sebesar 30°C dan pH 9, laju alir udara dilakukan dengan laju 0,25 - 1,25 liter per menit. Kristal struvite dianalisis menggunakan Floresensi sinar-X (XRF) dan Mikroskop Pemindai Elektron (SEM). Kandungan pupuk struvite terbaik adalah magnesium sebesar 40,3% dan fosfor sebesar 43,9% pada konsentrasi 3:1:1 dan laju alir udara 1,25 liter per menit. Pengembangan lebih lanjut dapat dilakukan dengan mengaplikasikan pupuk struvite ke tanaman. Kata Kunci: aerasi, kristalisasi, limbah cair industri tempe, struvite

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“…Morfologi dari struvite adalah kristal ortorombik [3]. Struvite memiliki kemampuan slow release yakni lepas lambat [4].…”

Section: Pendahuluanunclassified

Reaction Kinetics of Ammonium Removal from Cow Urine by Struvite Formation Using a Baffle Column Reactor

Anggriawan

Alvira

Edahwati

2021

CHEMICA: Jurnal Teknik Kimia

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Mineral Struvite Dari Batuan Dolomit Dengan Reaktor Kolom Sekat

Cited by 4 publications

References 0 publications

Manufacture of Struvite From Industrial Waste Sodium Tripolyphosphate Using Bulkhead Column Reactor

Manufacture of Struvite From Industrial Waste Sodium Tripolyphosphate Using Bulkhead Column Reactor

Pembentukan Pupuk Struvite dari Limbah Cair Industri Tempe dengan Proses Aerasi

Reaction Kinetics of Ammonium Removal from Cow Urine by Struvite Formation Using a Baffle Column Reactor

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