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All Journal International Journal of Renewable Energy Development Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Bahan Alam Terbarukan
Sari, Mega Mutiara
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Agriculture, Biological Sciences & Forestry Chemistry Earth & Planetary Sciences Energy Materials Science & Nanotechnology

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Kesetimbangan Energi dan Manfaat dalam Aplikasi Produksi Bersih di Sistem Pengolahan Limbah Cair Industri Nanas Kaleng Andarani, Pertiwi; Sari, Mega Mutiara; Siallagan, Afni
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 14, No 2 (2017): September 2017
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (79.771 KB) | DOI: 10.14710/presipitasi.v14i2.75-80

Abstract

Industri pengolahan buah umumnya memiliki kadar organik yang tinggi, Salah satunya adalah industri pengolahan nanas. PT Great Giant Pineapple, Lampung, (PT GGP) merupakan produsen nanas kaleng ekspor yang menghasilkan limbah yang berpotensi mencemari lingkungan apabila tidak dikelola dengan baik. Salah satu upaya pengelolaan lingkungan dan perbaikan berkelanjutan, PT GGP berupaya melaksanakan sistem produksi bersih. Produksi bersih merupakan suatu strategi pengelolaan lingkungan yang bersifat preventif dan terpadu yang perlu diterapkan secara terus menerus pada proses produksi dan daur hidup produk dengan tujuan megurangi resiko terhadap manusia dan lingkungan. Tujuan dari penelitian ini adalah untuk menganalisis kesetimbangan energi dan manfaat secara kuantitatif dalam penerapan sistem produksi bersih di sistem pengolahan limbah cair PT GGP. Kesetimbangan energi dianalisis dengan menggunakan indikator NER (Net Energy Ratio) dan NEP (Net Energy Production). Manfaat finansial dari penggunaan kembali sludge juga dievaluasi secara kuantitatif. Dalam produksi biogas jumlah energi input yang dibutuhkan sebesar 1,002 MJ/hari/m3 air limbah, menghasilkan jumlah energi output sebesar 108,587 MJ/hari/m3 air limbah. Sehingga Nilai NER = 108,37 dan NEP = 17,585 MJ/hari/m3 air limbah. Sementara itu, dengan pemanfaatan Sludge atas perusahaan memperoleh keuntungan sebesar Rp 3.326.687.65/hari dan pemanfaatan sludge bawah memperoleh keuntungan sebesar Rp 19.054.592 /hari pada tahun 2015.
Potential of Waste to Energy Processing for Sustainable Tourism in Nusa Penida Island, Bali Sari, Mega Mutiara; Inoue, Takanobu; Harryes, Regil Kentaurus; Suryawan, I Wayan Koko; Yokota, Kuriko; Notodarmojo, Suprihanto; Priyambada, Ika Bagus; Septiariva, Yenis
Jurnal Bahan Alam Terbarukan Vol 10, No 2 (2021): December 2021 [Nationally Accredited - Sinta 2]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v10i2.33679

Abstract

Solid waste management on Nusa Penida Island is one of the problems in tourism in Bali Province. To deal with this issue, the government has implemented various policies, where the policy that becomes an essential issue is the processing of energy waste. To support this, it is necessary to study the potential of waste characteristics on the island of Nusa Penida. This study aims to analyse the characteristics of waste on the island of Nusa Penida as an energy source based on the generation and composition of waste. Solid waste generation and composition were measured based on land and marine debris data. The total waste generation on land and marine debris can reach 6364.4 kg/day and 762.8 kg/day, respectively. The waste composition materials consist of masks, plastics, metals, and biodegradable organics with a value of 4.12%, 32.77%, 19.54%, and 43.57%, respectively. Therefore, the potential use of organic biodegradable as solid fuel can reach 51,933.8 MJ/day or 14,426 kWh/day. However, in the thermogravimetric analysis (TGA) test, the residue was 18.6%.
Substitution Garden and Polyethylene Terephthalate (PET) Plastic Waste as Refused Derived Fuel (RDF) Zahra, Nurulbaiti Listyendah; Septiariva, Iva Yenis; Sarwono, Ariyanti; Qonitan, Fatimah Dinan; Sari, Mega Mutiara; Gaina, Pratiwi Claudia; Ummatin, Kuntum Khoiro; Arifianti, Qurrotin Ayunina Maulida Okta; Faria, Niswatun; Lim, Jun-Wei; Suhardono, Sapta; Suryawan, I Wayan Koko
International Journal of Renewable Energy Development Vol 11, No 2 (2022): May 2022
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2022.44328

Abstract

The generation of polyethylene terephthalate (PET) plastic and garden waste must be recycled to support the circular economy. An alternative way to reduce the plastics waste is to reduce this waste by converting it into energy such as Refused Derived Fuel (RDF) as an alternative for processing waste. Substitution of plastic and garden waste is an opportunity to be analyzed. Hence, This study aimed to investigate the potential for converting material substitution from PET and garden waste into RDF. The RDF characterized test method was carried out by proximate, water content, ash content, and analysis. At the same time, the calorific value. was tested by bomb calorimetry. Substitution of the mixture of plastic and garden waste affects each parameter of RDF pellet quality including water, ash, and caloric value (sig.< 0.05). The increase of plastic waste in pellets consistently increases the calorific value of RDF from 18.94 until 25.04 MJ/kg. The RDF pellet water and ash content also invariably affect the rate of increase in the calorific value of RDF in the multilinearity model (sig.<0.05; R2 is 0.935). The thermal stability of the pellets occurred at a temperature of 5000C decomposition of hemicellulose, cellulose, and lignin in mixed garden waste with plastic in RDF pellets. The decrease in the decomposition of PET into terephthalic acid monomer from the thermal stability of raw materials and waste PET plastic pellets occurs at a temperature of 4500ËšC. This potential finding can be used as a basis for consideration in regions or countries that have the generation of garden waste and plastic, especially the type of PET to be used as an environmentally friendly fuel.
Co-Authors Arifianti, Qurrotin Ayunina Maulida Okta Faria, Niswatun Gaina, Pratiwi Claudia Harryes, Regil Kentaurus Ika Bagus Priyambada Kuriko Yokota Lim, Jun-Wei Nurulbaiti Listyendah Zahra, Nurulbaiti Listyendah Pertiwi Andarani Sarwono, Ariyanti Septiariva, Iva Yenis Septiariva, Yenis Siallagan, Afni Suhardono, Sapta Suprihanto Notodarmojo Suryawan, I Wayan Koko Takanobu Inoue Ummatin, Kuntum Khoiro