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Mega Muitiara Sari
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EVALUATION OF THE IMPLEMENTATION OF WASTE GENERATION REDUCTION INTO COMPOST WITH WINDROW SYSTEM IN THE TALANG GULO FINAL PROCESSING, JAMBI CITY Mega Muitiara Sari; Andra Puput Marya Ani; I Wayan Koko Suryawan
Konversi Vol 11, No 1 (2022): APRIL 2022
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v11i1.11991

Abstract

Talang Gulo Final Processing Site, Jami City will make efforts to reduce biodegradable waste consisting of leaf waste. The processing process that can be applied is by converting it into compost with an aerobic process with a windrow system. The purpose of this study was to evaluate the composting system and the results of existing waste processing. This research was conducted by direct observation and secondary data collection from the local management inventory. The composition of biodegradable waste in Jambi City consists of 47.4% food waste and 2.1% garden waste. However, the application of food waste is quite difficult to handle because of its characteristics, therefore garden waste is a priority for reduction by the government. The results of monitoring for one month in a row mean that the waste entering the compost facility is 4086 kg/day. The percentage of waste reduction from composting activities in total can be 0.986% of the total waste generation of Jambi City, or 45.426% of the total waste generation of Jambi City's gardens. The final measurement results of compost have met the quality standard of SNI 19-7030-2004 which has been set by the Indonesian government. The value of water content, pH, C – Organic, N – Total, C/N, P2O3, and K2O Total is 13.64%; 7,12; 4.77%; 0.42%; 11.4% 45.01%; and 0.25%, respectively. It is hoped that even though the achievement of waste reduction from this activity is still low, if it is seen from the opportunities for sustainable management and social support from the community and the government, it will reduce waste generation in Jambi City.
Prediction of recovery energy from ultimate analysis of waste generation in Depok City, Indonesia Mega Muitiara Sari; Iva Yenis Septiariva; Eva Nur Fauziah; Kuntum Khoiro Ummatin; Qurrotin Ayunina Maulida Okta Arifianti; Niswatun Faria; Jun-Wei Lim; I Wayan Koko Suryawan
International Journal of Electrical and Computer Engineering (IJECE) Vol 13, No 1: February 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v13i1.pp1-8

Abstract

Refuse derived fuel (RDF) is an environmentally friendly renewable fuel developed to reduce waste generation. RDF can consist of various kinds of waste such as paper and gardens. One of the critical parameters is the chemical element and calorific value. The purpose of this study was to determine the potential for waste reduction and the relationship of ultimate longevity in RDF to the calorific value. This study's paper and garden waste mixture were P0 (100% paper), P25 (75% paper and 25% garden), P50 (50% paper and 50% garden), P75 (25% paper and 75% garden), and P100 (100% garden). The calorific value of the mixture can reach 3.6-5.2 kWh/kg. Simultaneously the relationship of ultimate elements nitrogen (N), hydrogen (H), oxygen (O), and ash affects the heating value of RDF. Sampling the application in Depok City can reduce waste by 6.67%, with the potential for electrical energy from paper and garden wastes of 358,903.8 kWh and 48,681 kWh, respectively. This shows that this energy waste can supply 0.1% of the total daily electricity demand in Depok City.
Co-Authors Andra Puput Marya Ani Eva Nur Fauziah Faria, Niswatun Iva Yenis Septiariva Jun-Wei Lim Qurrotin Ayunina Maulida Okta Arifianti Suryawan, I Wayan Koko Ummatin, Kuntum Khoiro