Extraction of magnesium from calcined dolomite ore using hydrochloric acid leaching

Royani, Ahmad; Sulistiyono, Eko; Prasetiyo, Agus Budi; Subagja, Rudi

doi:10.1063/1.5038299

Cited by 10 publications

(7 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…In addition, the research conducted by A. Royani in extracting magnesium from dolomite shows the similar trend, the higher the temperature is, the higher the magnesium extraction percentage obtained. Eventhough, in some ways, temperatures above 75°C are considered giving less significant impact [26]. However, the economic factor should be perceived as the addition of temperature is less economical since it increases the energy and the loss of acid used substantially [26].…”

Section: Effect Of Leaching Temperature Toward Magnesium Extraction Pmentioning

confidence: 99%

“…Eventhough, in some ways, temperatures above 75°C are considered giving less significant impact [26]. However, the economic factor should be perceived as the addition of temperature is less economical since it increases the energy and the loss of acid used substantially [26].…”

Section: Effect Of Leaching Temperature Toward Magnesium Extraction Pmentioning

confidence: 99%

“…In this study, magnesium extraction was carried out since magnesium and its derivatives have various application in the industry such as for alloys, liquid iron desulfurization, insulation materials, fertilizers, refractory materials, constructions as well as for medical purposes (drugs and bone implants) [26,27]. The general objective of this study is to utilize the ferronickel slag, for magnesium materials.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Magnesium extraction of ferronickel slag processed by alkali fusion and hydrochloric acid leaching

Prasetyo

Khaerul

Mayangsari

et al. 2021

J min metall B Metall

View full text Add to dashboard Cite

A research using ferronickel slag, the by-product of ferronickel production, as raw material for magnesium extraction has been carried out. It is essential to upgrade the value of ferronickel slag instead of used directly for reclamation materials. Moreover, accumulation due to increasing ferronickel demand as well as environmental contamination due to various potencially toxic elements contained in the ferronickel slag could be prevented. The general objective of this study is to utilize the ferronickel slag for magnesium materials. The specific objective is to determine the optimum conditions of magnesium extraction in the process of alkali fusion followed by hydrochloric acid leaching. A novel method for magnesium extraction from ferronickel slag was carried out through reducing silica content followed by acid leaching method. Alkali fusion of the mixture of ferronickel slag and Na2CO3 at 1000 ?C for 60 minutes followed by water leaching at 100 ?C for 60 minutes with solid to liquid percentage of 20 % were carried out to separate the silica. The leaching residue resulted from water leaching was then leached using hydrochloric aid solution to extract magnesium. The leaching temperature and time as well as the hycrochloric acid concentration were varied in the acid leaching process. Alkali fusion process proved can be generated the sodium silicate that can be separated in the water leaching to the leached solution. Meanwhile, the leaching residue was leached using hydrochloric acid to extract the magnesium. The highest magnesium extraction percentage is 82.67% that resulted from an optimum acid leaching condition with temperature of 80 ?C for 30 minutes using 2M HCl solution. Based on the kinetics study, the activation energy (Ea) for the leaching reaction of magnesium at atmospheric pressure between 32?C to 80?C is 9.44 kJ/mol and affected by diffusion and chemical reactions.

show abstract

Section: Effect Of Leaching Temperature Toward Magnesium Extraction Pmentioning

confidence: 99%

Section: Effect Of Leaching Temperature Toward Magnesium Extraction Pmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Magnesium extraction of ferronickel slag processed by alkali fusion and hydrochloric acid leaching

Prasetyo

Khaerul

Mayangsari

et al. 2021

J min metall B Metall

View full text Add to dashboard Cite

show abstract

“…The condition where the content of magnesium is high, it is possible to extract its element from the ferronickel slags so that it will increase the value of the ferronickel slag waste. Magnesium can be used in several applications, for example, as aluminum alloys, foundries, steel desulfurization, and other applications in the chemical industry [16,17]. The aluminum industry that uses magnesium as an alloy material aims to increase strength, ductility and corrosion resistance.…”

Section: Introductionmentioning

confidence: 99%

Reverse leaching of magnesium from ferronickel slag using alkali solvent NaOH

Prasetyo

Darmawansyah

Mayangsari

et al. 2020

EEJET

View full text Add to dashboard Cite

Проведено дослiдження з вилучення магнiю з феронiкелевого шлаку, обробленого зворотним вилуговуванням розчинами гiдроксиду натрiю (NaOH). Феронiкелевий шлак в основному складається з силiкату магнiю i силiкату залiза. Першим етапом дослiдження була пiдготовка феронiкелевого шлаку до подрiбнення за допомогою кульового млина до розмiру-200 меш. По-друге, прожарювання феронiкелевих шлакiв для видалення кристалiчної води i збiльшення пористостi для полегшення процесу вилуговування. Наступним кроком було зворотне вилуговування з використанням гiдроксиду натрiю (NaOH) для розчинення кремнезему. При розчиненнi кремнезему очiкувалося збiльшення вмiсту в залишку таких елементiв, як магнiй i залiзо. Змiнними в даному дослiдженнi з вилуговування феронiкелевого шлаку були час вилуговування, концентрацiя розчинника i температура вилуговування. Зворотне вилуговування феронiкелевого шлаку проводили зi змiною часу вiд 15 до 240 хвилин, температурою 30 °С, 70 °С i 100 °С, концентрацiями NaOH 9 М, 10 М i 11 М. Для вивчення вихiдних характеристик феронiкелевого шлаку i результатiв процесу вилуговування використовували рентгеноструктурний аналiз, рентгенофлуоресцентний аналiз i мас-спектрометрiю з iндуктивно-зв'язаною плазмою. Результати визначення характеристик зразкiв феронiкелевого шлаку методом рентгеноструктурного аналiзу показують, що в складi домiнуючих з'єднань присутнi форстерит (Mg 2 SiO 4), енстатiт (MgSiO 3) i фаялiт (Fe 2 SiO 4). Крiм того, результати також пiдтверджуються рентгенофлуоресцентним аналiзом i растровою електронною мiкроскопiєю. Кiлькiсний РФА аналiз показує, що феронiкелевий шлак мiстить 45,69 % SiO 2 , 29,32 % MgO i 16,5 % Fe 2 O 3. Результати растрової електронної мiкроскопiї показують, що Mg, Si, Fe i O зв'язуються разом, що вказує на присутнiсть силiкату магнiю i силiкату залiза. Найбiльший вiдсоток вилучення магнiю становить 73,10 % в умовах експериментальної температури 100 °С протягом 240 хвилин, концентрацiї розчинника 10 М i швидкостi перемiшування 300 об/хв. Збiльшення вiдсотка вилучення магнiю обумовлено розчиненням кремнезему в процесi вилуговування. Розчинення кремнезему пiдтверджується наявнiстю гiдроксиду магнiю i гiдроксиду залiза (II) в залишку, що показано рентгеноструктурним аналiзом. Це призвело до значного збiльшення вмiсту MgO в залишку до 42,8 %, як показав рентгенофлуоресцентний аналiз. Крiм того, растрова електронна мiкроскопiя показує, що Mg i O зв'язуються разом, що вказує на присутнiсть MgO. Також можна визначити, що MgO є домiнуючим Ключовi слова: феронiкель, шлак, форстерит, магнiй, кремнезем, вилуговування, зворотне вилуговування, гiдроксид натрiю, фiльтрат, залишок ,% вилучення

show abstract

“…dan intensitas optimum CaO terbentuk pada sudut 37,47° dengan sesuai nomor PDF 96-720-0687 [15]. Peningkatan persentase CaO terjadi karena ketika proses kalsinasi dolomit Ca(OH)2 melepaskan H2O sehingga terurai menjadi CaO [6]. Sedangkan peningkatan persentase MgO disebabkan oleh MgCO3 yang terdekomposisi menjadi MgO dan CaCO3 pada suhu 500°C-700°C.…”

Section: Fourier Transform Infraunclassified

Sintesis Magnesium Oksida (MgO) dari Dolomit Bangkalan dengan Metode Leaching

Saputri

Rohmawati

2021

J. Teori Apl. Fis.

View full text Add to dashboard Cite

Magnesium oxide (MgO) is a ceramic material that has potential in the medical and industrial fields, where MgO can be obtained from natural dolomite which has a composition of 21.9% MgO and 54.3% CaCO3. However, MgO from dolomite has not been studied much so that this study was conducted with the aim of analyzing the effect of the holding time of calcination on the synthesized MgO phase. The MgO synthesis method uses the Leaching method, which is dissolving dolomite with HCl and stirring it at 75 ° C for 45 minutes. After that, it is filtered where the results of the filtrate are added with ammonia until the solution reaches pH 12 and a precipitate is formed. Furthermore, the precipitate was filtered and dried at 90 ° C for 6 hours, and calcined at a temperature of 800 ° C with a variation of the holding time of 4 hours, 8 hours, 12 hours, 16 hours, and 20 hours. The calcined powder was characterized by XRD and FTIR. The results showed that the optimum MgO main phase was formed at a holding time of 8 hours at a calcination temperature of 800 ° C and had a nanocrystallite size of 20.12 nm. FTIR results show that the MgO synthesized with a holding time of 8 hours has functional groups Mg-O, Mg-O-Mg, C = O, alkene groups, and H-O-H in the wave number range of 4000 cm -1 -500 cm -1 .

show abstract

Extraction of magnesium from calcined dolomite ore using hydrochloric acid leaching

Cited by 10 publications

References 10 publications

Magnesium extraction of ferronickel slag processed by alkali fusion and hydrochloric acid leaching

Magnesium extraction of ferronickel slag processed by alkali fusion and hydrochloric acid leaching

Reverse leaching of magnesium from ferronickel slag using alkali solvent NaOH

Sintesis Magnesium Oksida (MgO) dari Dolomit Bangkalan dengan Metode Leaching

Contact Info

Product

Resources

About