A Review: Utilization of Spent Bleaching Earth in Various Industries

Dyah Ayu Pramoda Wardani, Windy Sidratul An'nisa

Abstract


ABSTRACT

 

The use of Spent Bleaching Earth (SBE) is very diverse and has potential in various applications. The use of SBE as an adsorbent has been proven to be effective in removing dyes from textile industry wastewater, with significant adsorption capacity at varying pH, adsorbent mass, and stirring time. SBE shows high efficiency in reducing dye concentrations, making it an economical and environmentally friendly choice for industrial wastewater treatment. Modified SBE is more effective than unmodified carbon SBE. In addition to adsorption, SBE can be used as a catalyst in the ozonation process to decompose long-lasting organic compounds, increase reaction rates, and reduce the time required for wastewater treatment. SBE has also been explored as an additional material in making concrete, with the addition of SBE to concrete mixes showing potential in improving the mechanical properties of concrete, such as compressive strength and durability.

 

Keywords: Spent Bleaching Earth; Adsorption, Composite, Utilization

 

ABSTRAK

 

Pemanfaatan Spent Bleaching Earth (SBE) sangat beragam dan potensial dalam berbagai aplikasi. Penggunaan SBE sebagai adsorben telah terbukti efektif dalam menghilangkan zat warna dari air limbah industri tekstil, dengan kapasitas adsorpsi yang signifikan pada variasi pH, massa adsorben, dan waktu pengadukan. SBE menunjukkan efisiensi tinggi dalam pengurangan konsentrasi zat warna, menjadikannya pilihan ekonomis dan ramah lingkungan untuk pengolahan limbah cair industri. SBE yang dimodifikasi lebih efektif dibandingkan karbon SBE tanpa modifikasi. Selain untuk adsorpsi, SBE dapat digunakan sebagai katalis dalam proses ozonisasi untuk menguraikan senyawa organik tahan lama, meningkatkan laju reaksi, dan mengurangi waktu yang diperlukan untuk pengolahan air limbah. SBE juga telah dieksplorasi sebagai bahan tambahan dalam pembuatan beton, dengan penambahan SBE dalam campuran beton menunjukkan potensi dalam meningkatkan sifat mekanis beton, seperti kekuatan tekan dan daya tahan.

 

Kata Kunci: Spent Bleaching Earth; Adsorpsi, Komposit, Pemanfaatan


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DOI: http://dx.doi.org/10.20527/jstk.v18i2.21796

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Department of Chemistry
Faculty of Mathematics and Natural Sciences
Universitas Lambung Mangkurat
Jl. A. Yani KM. 36 Banjarbaru 70714, Indonesia
Email: [email protected]
ISSN: 1411-1616 E-ISSN: 2549-8215

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