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All Journal Jurnal Sains dan Ilmu Terapan Al-Ihtiram: Multidisciplinary Journal of Counseling and Social Research
Linggom, Umar
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Religion Humanities Astronomy Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice

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Proses Bioremediasi Ex-Situ Pada Pengolahan Limbah Cair Crude Palm Oil (CPO) Khairiah, Hanifah; Linggom, Umar
Jurnal Sains dan Ilmu Terapan Vol. 6 No. 1 (2023): Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jsit.v6i1.139

Abstract

Pengolahan limbah cair pabrik CPO di Indonesia selama ini dilakukan dengan sistem kolam. Pengolahan dengan cara tersebut belum mampu menekan dampak lingkungan, maka diperlukan teknologi baru yang ramah lingkungan, aman, dan murah untuk mengatasi persoalan lingkungan tercemar akibat limbah yang dihasilkan oleh industri, khususnya industri CPO. Dalam pengembangan proses bioremediasi contoh limbah CPO akan dilakukan percobaan dalam skala Laboratorium dengan menggunakan air limbah yang di ambil dari kolam limbah sekitar areal industri CPO di daerah Kampar Riau sebagai bahan dasar media. Mikroba yang digunakan pada penelitian ini adalah Microbe-Lift yang dapat mengurai kandungan pencemar dan menghilangkan bau. Untuk menunjang tingkat pertumbuhan mikroba, ke dalam air limbah ditambahkan nutrisi dengan komposisi urea 2 g/L, KH2PO4 1 g/L, K2HPO4 1,5 g/L, glukosa 5 g/L dan pH media dikondisikan 7,41.
PEMBUATAN TINTA STEMPEL BERBAHAN ALAMI DARI BUAH KEDUDUK DENGAN PENAMBAHAN ETANOL [MAKING STAMP INK FROM NATURAL MATERIALS FROM KEDUDUK FRUIT WITH THE ADDITION OF ETHANOL] Veronika, Nina; Hakim, Rizki Rahman; Linggom, Umar
Al-Ihtiram: Multidisciplinary Journal of Counseling and Social Research Vol 4, No 1 (2025): Mei
Publisher : Perkumpulan Ahli Bimbingan dan Konseling Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59027/al-ihtiram.v4i1.1022

Abstract

Keduduk fruit is the fruit of the keduduk plant which has many benefits, one of which is as a natural raw material for making stamp ink. The fruit used is fruit that has bloomed or is ripe. Picked keduduk fruit can be used as a natural dye. In this study, the aim was to determine the best quality of stamp ink with variations in ethanol concentration and fruit. Keduduk fruit extract is obtained from the extraction process, namely by filtering method, then the results will be used as raw material for making stamp ink. Making stamp ink can be done by adding vinegar as a color fixing agent produced from keduduk fruit, salt which is useful as a preservative which can prevent fungal and bacterial attacks, ethanol functions as a drier agent, namely an ingredient that accelerates the ink drying process. The process of making stamp ink in this research uses a variety of raw materials for kejadi fruit, namely 50 grams, by mixing 10 mL of vinegar, varying ethanol concentrations of 96%, 86%, 76%, 66%, 56%, 10 mL and 5 grams of salt. The best quality stamp ink is the 96% ethanol variation which is in accordance with the quality of ink according to SNI 06-1567-1989 which has a density of 1.0489 gr/cm3, a drying time of 30.77 seconds, and is resistant to rubbing, sunlight, water, 96% alcohol, and no clumping.
Co-Authors Hakim, Rizki Rahman Hanifah Khairiah