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All Journal Journal Of Chemical Process Engineering (JCPE) Journal Of Chemical Process Engineering
Andi Ariatmasanti Aksan
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering

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Pengaruh Konsentrasi H2SO4 Dan HCl Dalam Pembuatan Silika Gel Dari Daun Bambu Untuk Adsorpsi Logam Besi (Fe) Andi Asdiana Irma Sari Yusuf; Sariwahyuni .; Astuti Shinta Nuria; Katrina Yanti Tumanan; Andi Ariatmasanti Aksan; Ratnasari .
Journal of Chemical Process Engineering Vol 8, No 1 (2023)
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v8i1.1762

Abstract

Daun bambu mengandung silika cukup tinggi sehingga dapat digunakan sebagai bahan pembuatan silika gel yang banyak dimanfaatkan dalam proses adsorbsi. Salah satu adsorpsi yang sering dilakukan yaitu adsorpsi logam besi (Fe) dalam air. Air dengan kandungan logam besi (Fe) yang tinggi berbahaya bagi lingkungan dan makhluk hidup. Penelitian ini dilakukan untuk pembuatan silika gel dari daun bambu sebagai adsoben logam besi (Fe) pada air, melalui tahap pengabuan, pembuatan natrium silikat, dan pembentukan gel serta analisis efesiensi adsorpsi logam besi (Fe). Pembuatan silika gel menggunakan katalis HCl dan H2SO4 dengan konsentrasi 0.5 M, 1 M, 1.5 M, 2 M, dan 2.5 M kemudian digunakan dalam penyerapan logam besi (Fe). Hasil penelitian menunjukkan efesiensi adsorpsi logam besi (Fe) oleh silika gel dengan katalis H2SO4 0.5 M, 1 M, 1.5 M, 2 M, dan 2.5 M sekitar 70,86 - 99,82% dengan hasil tertinggi pada konsentrasi 2.5 M sedangkan pada penggunaan HCl dengan variasi konsentrasi sama diperoleh efesiensi adsorpsi logam besi (Fe) 71,75 - 98,05% dan diperoleh hasil terbaik pada konsentrasi 0.5 M. Dengan demikian, variasi terbaik diperoleh dari Silika gel-HCl 0.5M karena dengan hanya menggunakan konsentrasi asam yang rendah diperoleh efisisensi adsorbsi yang tinggi. 
Water Level and NPK Test of Bokashi Compost Fertilizer Results of Industrial Waste Processing Practical Work at the Mineral and Environmental Testing Laboratory Fitri Junianti; Katrina Yanti Tumanan; Andi Ariatmasanti Aksan; Zaidatul Mabruroh; Iksan Adiasa
Journal of Chemical Process Engineering Vol. 9 No. 3 (2024): Special Issue
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v9i3.1536

Abstract

Compost is one of the products resulting from the Industrial Waste Processing practicum in the form of solid waste. This compost goes through a composting process and becomes one of the organic fertilizers containing macro and micronutrients. Compost is produced through the biological decomposition process of organic material, which is controlled and results in humus. Moisture content is one of the key factors in the composting process, and it is essential for determining the maturity and quality of compost. Moisture content refers to the amount of water in a material or object, such as soil (also known as soil moisture), agricultural materials and products, rocks, etc. Additionally, compost fertilizer contains nutrients such as nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), and other elements. Based on testing, the sample rice husk: TSP 3:2:2 moisture content was 40.74%, and for another rice hull: TSP 3:2:2 sample, it was 43.14%. rice hull: TSP 3:2:2 had 0.74% for nitrogen content testing, and the second sample had 0.76%. Phosphorus content testing for rice husk: TSP 3:2:2 was 0.28%, while the second sample had 0.18%. rice husk: TSP 3:2:2 had 0.53% for potassium content testing, and the second sample had 0.509%. From these test results, it can be concluded that both samples meet the standards of SNI 19-7030-2004 for compost specifications from domestic organic waste. This research is expected to provide information on the quality of the bokashi fertilizer and be a reference in developing more optimal waste processing methods.
Co-Authors Astuti Shinta Nuria Iksan Adiasa Junianti, Fitri Katrina Yanti Tumanan Ratnasari . Sariwahyuni Zaidatul Mabruroh