Utilization of wasted cockle shell as a natural coagulant and a neutralizer of polluted water in Bangka Belitung islands, Indonesia

Tiandho, Yuant; Aldila, Herman; Mustari,; Megiyo,; Afriani, Fitri

doi:10.1088/1742-6596/1013/1/012181

Cited by 7 publications

(2 citation statements)

References 5 publications

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“…Beberapa penelitian yang telah dilakukan untuk menurunkan kadar tembaga terlarut diantaranya dengan menggunakan metode adsorbsi berbasis karbon aktif (Shahraki, 2021); clay (Li, 2020); biochar ; silika (Fang, 2020); kitosan (Sutirman, 2020); nanobentonit termodifikasi nanoselulosa/kitosan (Shahnaz, 2020), physisorption (Purwiyanto, 2020), biokoagulasi (Tiandho, 2018), elektrokoagulasi (Kim, 2020), dan sebagainya. Metode adsorbsi merupakan metode yang paling banyak digunakan untuk menurunkan kadar tembaga terlarut dengan memanfaatkan material adsorban yang dapat mengikat logam tembaga terlarut melalui mekanisme pengikatan kation tembaga dengan anion adsorban sehingga kadar tembaga akan menurun.…”

Section: Pendahuluanunclassified

Ekstraksi Kitosan dari Limbah Cangkang Udang sebagai Adsorben Ion Logam Cu pada Air Kolong Timah Bangka

Aldila¹

2021

PROMINE

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Penelitian ini bertujuan untuk menganalisis pengaruh konsentrasi NaOH pada tahap deasetilasi terhadap adsorpsi kitosan ion logam Cu pada kolong timah Bangka. Ekstraksi kitosan dilakukan dalam empat tahap yaitu deproteinisasi, demineralisasi, dekolorisasi dan deasetilasi kitin. Pengaruh konsentrasi NaOH pada proses deasetilasi dipelajari. Hasil penelitian menunjukkan bahwa peningkatan konsentrasi NaOH dari 20% menjadi 60% maka kitosan DD meningkat. Laju difusi OH- menyebabkan peningkatan serangan OH- ke gugus amino sehingga mewujudkan deasetilasi kitin yang efektif. Kadar logam Cu pada penelitian ini mencapai 0,32 ppm. Adsorpsi kitosan pada ion logam cu menurunkan kadar terlarut rata-rata 99,67% dari kadar awal. Kandungan gugus hidroksil pada kitosan menyebabkan terjadinya reaksi pembentukan senyawa hidroksida dari ion logam Cu terlarut. Senyawa Cu hidroksida secara terpisah akan membentuk dan membentuk endapan. Semakin besar nilai derajat deasetilasi menyebabkan peningkatan kandungan gugus hidroksil dan menyebabkan peningkatan adsorpsi ion logam Cu.

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Section: Pendahuluanunclassified

Ekstraksi Kitosan dari Limbah Cangkang Udang sebagai Adsorben Ion Logam Cu pada Air Kolong Timah Bangka

Aldila¹

2021

PROMINE

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“…The high level of tin mining activities in the Bangka Belitung Islands has a positive impact on the provincial economy but on the other hand it also has a negative impact on the environment [1], [2], [3]. When a tin mining site has been carried out, there will be a basin called kulong, overburden (pile of clay from the excavation), and tailings.…”

Section: Introductionmentioning

confidence: 99%

Purification of Silica from Tin Tailing by Acid Leaching Methods

Afriani¹,

J²,

Mahardika³

et al. 2019

Proceedings of the International Conference on Maritime and Archipelago (ICoMA 2018)

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Tin mining will leave industrial waste in the form of tin tailings. Physically, the main content of tin tailing is sand that can hardly be utilized for agricultural purposes. Tailings contain only a small amount of nutrients and may contain toxic compounds. In this article we developed a method of purifying silica from tin tailings sand by acid leaching method. Silica is a material that can be used for various purposes such as in the process of thermal treatment, building construction, and bioengineering. Based on the results of XRF analysis, acid compounds can increase the purity of Si element in tin tailings and reduce metal elements. The x-ray diffraction patterns also confirmed that the dominant crystal phase in the purified sands was α-SiO2. The highest silica content was obtained on the use of nitric acid with silica concentration of 90.40%.

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Purification of silica from tin tailings through solid-state method

Tiandho

Rafsanjani

et al. 2019

IOP Conf. Ser.: Earth Environ. Sci.

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Indonesia is one of the largest tin producers in the world. The by-products of processing tin ore in the form of tailings are not used properly. Based on several studies, tin tailings have high levels of silica. In this paper, a silica purification study from tin tailings is proposed using a solid-state method at different pH. The purity of silica in this paper is determined by XRF and XRD analysis. This research is expected to increase the economic value of tin tailings, which can be utilized in various applications.

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Utilization of wasted cockle shell as a natural coagulant and a neutralizer of polluted water in Bangka Belitung islands, Indonesia

Cited by 7 publications

References 5 publications

Ekstraksi Kitosan dari Limbah Cangkang Udang sebagai Adsorben Ion Logam Cu pada Air Kolong Timah Bangka

Ekstraksi Kitosan dari Limbah Cangkang Udang sebagai Adsorben Ion Logam Cu pada Air Kolong Timah Bangka

Purification of Silica from Tin Tailing by Acid Leaching Methods

Purification of silica from tin tailings through solid-state method

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