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All Journal Dharma Bakti GEMBIRA (Pengabdian Kepada Masyarakat) Sainteks: Jurnal Sain dan Teknik Composite Darma Abdi Karya: Jurnal Pengabdian Kepada Masyarakat
Galu Murdikaningrum
Universitas Insan Cendekia Mandiri
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences Veterinary Other

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Journal : Composite

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Perbandingan biomassa feses kelinci dan ampas kopi sebagai bahan baku pupuk organik padat dengan metode bokashi Galu Murdikaningrum; Rini Siskayanti S.T.,M.T.; Riza Rizkiah; Muhammad Fikri Ibnu Hidayat; Novy Komalasari
Composite : Jurnal Ilmu Pertanian Vol 5 No 1 (2023): Februari
Publisher : University of Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/composite.v5i1.505

Abstract

Desa Mangunjaya merupakan desa dengan kontur tanah berupa dataran tinggi. Hal ini mendukung mata pencaharian masyarakat desa sekitar untuk bertani dan beternak. Limbah ternak dan tani yang dihasilkan belum diolah secara maksimal, contohnya adalah feses kelinci dan ampas kopi. Ampas kopi dan feses kelinci dapat diolah sebagai campuran pupuk organik padat dengan bantuan dekomposer berupa larutan EM-4. Selain meningkatkan kesuburan tanah, pupuk ini dapat menurunkan penggunaan pupuk kimia. Penelitian ini bertujuan untuk memanfaatkan feses kelinci dan ampas kopi menjadi pupuk organik menggunakan metode bokashi yang sesuai dengan standar SNI 7763:2018. Bokashi adalah salah satu metode pengomposan yang menggunakan campuran air, molase dan bakteri baik aerob maupun anaerob. Metode yang digunakan dalam penelitian ini adalah metode kuantitatif dengan variasi komposisi feses kelinci dan ampas kopi dengan perbandingan 700:300 dan 800:200. Berdasarkan hasil penelitian didapat variasi dengan hasil terbaik sesuai dengan syarat mutu uji SNI 7763:2018 yaitu campuran feses kelinci dan ampas kopi dengan perbandingan 700:300 dan larutan EM-4 sebanyak 350ml dengan waktu fermentasi selama 7 hari.
Potensi limbah kulit dan biji rambutan (Nephelium lappaceum L) sebagai bioetanol Johannes Martua Hutagalung; Galu Murdikaningrum; Melinda Yulianti; Shinta Nurcahyani
Composite : Jurnal Ilmu Pertanian Vol 5 No 2 (2023): Agustus
Publisher : University of Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/composite.v5i2.578

Abstract

In view of information on rambutan creation which is expanding, the misuse of rambutan strips and seeds is likewise expanding. Remembering that rambutan strips and seeds contain a few mixtures that can be utilized as elective unrefined components in the production of bioethanol. This study aims to determine the effect of variations in the addition of yeast on the yield and content of bioethanol, and also to determine the maximum mass of the addition of yeast to acquire the biggest yield and ethanol content. This research went through 5 stages, first stage is the readiness of the skin and seeds of rambutan, second stage is α-cellulose detachment, third step is hydrolysis with 1% HCl to create glucose which will be analyzed using Benedict's reagent and the Luff-Schoorl method. Qualitative analysis showed positive results and glucose levels obtained were 22.39% with a glucose yield of 1.50%. The fourth stage is glucose fermentation by using five days with variations in yeast weight of 5, 6 and 7 grams. The fifth step is to separate the resulting bioethanol by distillation and determine alcohol content using an alcohol refractometer. Yield bioethanol obtained by varying the weight of yeast 5, 6, and 7 grams respectively was 1.05%, 1.18%, and 1.67% with the levels of bioethanol obtained 1.95%, 2.15%, and 3.00%. The highest yield and content of bioethanol were obtained by adding 7 grams of yeast. The yield obtained on this bioethanol is 1.67% and the bioethanol content is 3.00%. Keywords: bioethanol, cellulose, fermentation, hydrolysis, rambutan peels.
Co-Authors Alfi Aulia Ajilan Astari, IIs Ananda Bagus R Ramdhani Dini Yulilanti Djaenudin Djaenudin Ilham Eka Santang Johannes Martua Hutagalung Kenny Kencanawati Kenny Kencanawati Kiki Abdul Muluk Lia Muliati Melinda Yulianti Mua lifah Muhammad Fikri Ibnu Hidayat Mutiara Putri Utami Susanto Ningtyas, Rani Pramudyo Novy Komalasari Nurhuda, Tiara Raden Tarisa Nurhanifah Ramadhan, Adisti Rani Pramudyo Ningtyas Rifa Mar’atul Fikriyah Rini Siskayanti Riza Rizkiah Rizal Ramdani Shinta Nurcahyani Sitawati, Rini Tombak Gapura Bhagya Wendi Hermawan