Article Per Year (5 Year)
p-Index From 2020 - 2025
2.083
P-Index
This Author published in this journals
All Journal Jurnal Rekayasa Proses REKAYASA Jurnal Rekayasa Proses Jurnal Serambi Engineering Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Journal of Community Based Environmental Engineering and Management Jurnal Teknologi Lingkungan Lahan Basah JAMAIKA: Jurnal Abdi Masyarakat Jurnal Rekayasa Proses Environmental Insight Journal
Mellyanawaty, Melly
Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Muhammadiyah Tasikmalaya
Religion Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Public Health Social Sciences Other

Published : 18 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 18 Documents
Search

 1   2 
Uji Efektivitas Ulat Hongkong (Tenebrio molitor L.) dalam Degradasi Sampah Plastik Oriented Polypropylene Estin Nofiyanti; Rubiansyah Dio Lazuardi; Melly Mellyanawaty; Gatut Ari Wardani
Rekayasa Vol 16, No 2: Agustus 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v16i2.19321

Abstract

Oriented Polypropylene (OPP) plastic is a thermoplastic polymer that is widely used for the benefit of plastic product packaging in the pharmaceutical, cigarette, shampoo, detergent, textile, food, and beverage industries. OPP plastic has a high coefficient of thermal expansion, is susceptible to UV degradation, has poor resistance to solvents, is difficult to paint due to poor bonding properties, is highly flammable, susceptible to oxidation, and difficult to decompose naturally when it becomes waste. This study aimed to determine the ability of the Hong Kong caterpillar to degrade OPP plastic waste. This research method used a completely randomized design consisting of 4 treatments and 3 replications. The various treatments given were OPP 0.23 g for 120 caterpillars (V0); OPP 0.17 g: Bran 0.23 g for 120 caterpillars (V1); OPP 0.11 g: Bran 0.23 g for 120 caterpillars (V2); and OPP 0.06 g: Bran 0.23 g for 120 caterpillars (V3). The results showed that the feeding of OPP and rice bran affected the degradation rate of OPP plastic. The highest percent degradation value was obtained in the V3 treatment at 50% and the most optimal biodegradation rate occurred in the V1 treatment of 0.02 mg/day.
Pengaruh penambahan zeolit alam termodifikasi sebagai media imobilisasi bakteri terhadap dekompisisi material organik secara anaerob Melly Mellyanawaty; Chandra Wahyu Purnomo; Wiratni Budhijanto
Jurnal Rekayasa Proses Vol 11 No 1 (2017): Volume 11, Number 1, 2017
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.26353

Abstract

This study aims to determine the effect of modified natural zeolite as microbial immobilization medium for anaerobic decomposition of organic materials. The modification was Fe2+ impregnation into the ring-shaped zeolite. Three different concentrations of Fe2+ solution were used to impregnate the zeolite, i.e. 10 mg/L, 100 mg/L and 2000 mg/L. The wet impregnation process was conducted. Four variations of Fe2+ concentration deposited into zeolite were prepared, i.e. 0 mgFe2+/gZeo (as control), 0.0016 mgFe2+/gZeo, 0.0156 mgFe2+/gZeo and 0.3125 mgFe2+/gZeo. The modified zeolite was added to the batch anaerobic reactor, which filled with the volume ratio of liquid substrate and zeolite of 1:1 for all variations of media. Distillery spent wash was used as the substrate in this study. The soluble Chemical Oxygen Demand (sCOD) value of the substrate was homogenized at 10000 mg/L. Effluent digester of cow manure bio digester was added as inoculum. The volume ratio of distillery spent wash to the inoculum was 2:1. The anaerobic process was conducted for 28 days.The performance of four media in the anaerobic digestion of distillation spent wash was measured in terms of sCOD, total solid (TS), and volatile solid (VS). The comparison among media was more accurately and conclusively represented by sCOD value. The visual analysis of sCOD trend during 28 days indicated that zeolite with 0.0156 mgFe/gZeo resulted in the highest sCOD removal of 66.73%. Meanwhile, zeolite with 0.3125 mgFe/gZeo increased the production of biogas by the highest percentage of 43% to be compared to control. Generally speaking, the addition of Fe2+ into zeolit led to higher removal of sCOD and produced more biogas than control.
Proses peruraian anaerobik palm oil mill effluent dengan media zeolit termodifikasi Melly Mellyanawaty; Firda Mahira Alfiata Chusna; Estin Nofiyanti
Jurnal Rekayasa Proses Vol 13 No 1 (2019): Volume 13, Number 1, 2019
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.39206

Abstract

This work evaluated the effect of modified zeolite as microbial immobilization medium in anaerobic digestion of palm oil mill effluent (POME). The affinity of microorganisms to attach and grow on the media surface could be increased by the addition of micro-nutrient into the media. The effect of micro-nutrient addition was studied in 1000 mL Erlenmeyer flask as batch reactors. Experiments were conducted for 30 days. The concentration of soluble chemical oxygen demand (COD) in substrate was 8000 mg/L. Zeolite was impregnated with nickel (Ni) and zinc (Zn) at individual concentration of 2.7x10-3 mg Ni/g zeolite and 3.5x10‑3 mg Zn/g zeolite. The influence of each modified zeolite was determined by periodic measurement of sCOD, volatile fatty acid (VFA), pH, and biogas production. Cumulative biogas productions in this study were 252.44; 172.13; 57.70 ml from Ni-modified, Zn-modified and natural zeolites, respectively. The highest sCOD removal was obtained in reactor with Zn-modified zeolite with 38.22% removal, followed by 33.96% with Ni-modified zeolite, and 27.87% removal with natural zeolite.
Peningkatan produksi biogas dari palm oil mill effluent (POME) dengan fluidisasi media zeolit termodifikasi pada sistem batch Firda Mahira Alfiata Chusna; Melly Mellyanawaty; Estin Noviyanti
Jurnal Rekayasa Proses Vol 14 No 1 (2020): Volume 14, Number 1, 2020
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.56133

Abstract

The production of crude palm oil (CPO) in Indonesia tends to increase over time. Palm oil mill effluent (POME) is the wastewater generated from the palm oil mill process with high organic content. POME is a potential source for anaerobic digestion due to its high organic content. The challenge of POME treatment using an anaerobic process is to enhance biogas production with high soluble chemical oxygen demand (sCOD) removal efficiency. The purpose of this study was to evaluate the effect of selected trace elements addition onto zeolite as immobilization media to the anaerobic digestion of POME in a fluidized batch system. Natural zeolite was used as the medium to immobilize microorganisms in an anaerobic fluidized bed reactor (AFBR). This study used three trace elements impregnated to natural zeolites, i.e. Ni2+, Zn2+, Mg2+. The result shows that Ni2+ and Zn2+improve the methanogenesis process, prevent the accumulation of VFA as an intermediate product and increase the methane (biogas) production. Meanwhile, Mg2+ only reduced sCOD significantly but it did not affect methane production. Fluidization enhanced the performance of the POME anaerobic digestion process. The fluidization provide a positive effect to enhance biogas production and sCOD removal. The efficiency of sCOD removal in the entire reactors were 80.82%; 81.77%; 75.89% for AFBR-Ni; AFBR-Zn and AFBR-control respectively. The total volume of methane produced by the three AFBR were 163,04; 136,42; 62,79 (in ml CH4 / g sCOD) for AFBR-Ni; AFBR-Zn and AFBR-control, respectively.
Studi Desalinasi Air Laut dengan Reverse Osmosis dan Ultrafiltration untuk Pulau Buaya, Kabupaten Alor Nusa Tenggara Timur Mellyanawaty, Melly; Lili Windyasari Bela; Nur Iswanto
Environmental Insight Journal Vol. 1 No. 1 (2025): January
Publisher : Postgraduate Faculty, Yogyakarta Institut of Technology, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37412/eij.v1i1.345

Abstract

Penduduk di Pulau Buaya, Kabupaten Alor, NTT selama ini mengalami kesulitan untuk mendapatkan air bersih dan sangat tergantung pada sumber air tawar yang terdapat di pulau lain dengan menempuh perjalanan selama 10-15 menit menggunakan perahu motor. Kebutuhan air bersih penduduk Pulau Buaya sebesar 140 m³/hari. Unit desalinasi adalah salah satu alternatif yang dapat diimplementasikan guna memenuhi kebutuhan air minum/air bersih bagi penduduk dengan menggunakan air laut sebagai air baku. Unit desalinasi yang dirancang guna memenuhi kebutuhan penduduk Pulau Buaya terdiri dari intake, feed pump, modul Ultrafiltration, booster pump, modul Reverse Osmosis, 2 buffer tank dan tanki air minum (permeate) dengan kapasitas 100 m3. Daya yang dibutuhkan untuk pompa air baku dan booster pump masing-masing adalah 12 kW dan 56,5 kW.
Analisis Pemanfaatan Air Hujan Sebagai Air Bersih Di PT. Mataram Tunggal Garmen Kabupaten Sleman, Daerah Istimewa Yogyakarta Prayogi, Yoyok; Iswanto, Nur; Mellyanawaty, Melly; Silviani; Lestari, Agnes DN.
Environmental Insight Journal Vol. 1 No. 2 (2025): July
Publisher : Postgraduate Faculty, Yogyakarta Institut of Technology, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37412/eij.v1i2.391

Abstract

PT. Mataram Tunggal Garment (PT MTG) berlokasi di Desa Balong, Kecamatan Ngaglik, Kabupaten Sleman, DIY adalah perusahaan produsen pakaian wanita. Kebutuhan air bersih karyawan PT MTG selama ini dipenuhi dari sumur dalam (deep well) sebanyak 19.500 liter/hari. Dengan curah hujan yang cukup tinggi, yakni 3.372 mm/tahun menjadi salah satu alternatif pemasok air bersih PT MTG. Tujuan penelitian ini adalah untuk mengetahui kualitas dan kuantitas air hujan yang layak guna memenuhi kebutuhan air bersih karyawan perusahaan. Kualitas air hujan akan dibandingkan dengan standar air bersih dari Peraturan Menteri Kesehatan Nomor 2 Tahun 2023. Volume air hujan yang berasal dari atap bangunan pabrik lebih dari 429.000 liter/bulan pada bulan PT. Mataram Tunggal Garment berlokasi di Desa Balong, Kecamatan Ngaglik, Kabupaten Sleman, DIY adalah perusahaan produsen pakaian wanita dengan jumlah karyawan sebanyak 1.500 orang. Kebutuhan air bersih karyawan PT Mataram Tunggal Garmen selama ini dipenuhi dari sumur dalam (deep well) sebanyak 19.500 liter/hari. Dengan curah hujan yang cukup tinggi, yakni 3.372 mm/tahun, pemanfaatan air hujan sangat berpotensi bagi pemenuhan keperluan air bersih karyawan sekaligus wujud tanggung jawab sosial dan lingkungan perusahaan. Kualitas air hujan dibandingkan dengan baku mutu sesuai Peraturan Menteri Kesehatan Nomor 32 Tahun 2017. Volume air hujan yang berasal dari atap bangunan pabrik lebih dari 429.000 liter/bulan pada bulan basah. Parameter fisik-kimia air hujan yang tertangkap oleh atap pabrik masih memenuhi baku mutu, sedangkan parameter mikrobiologi yakni Escherichia coli dan total coliform melebihi baku mutu, sehingga diperlukan treatment disinfeksi mengunakan kaporit sebanyak 39 g/hari. Fasilitas yang didesain termasuk 2 bak penampung air hujan berukuran masing-masing 216 m3.
Waste Generation and Composition in Karawang Regency Salman, Nurcholis; Iskandar, Anan; Noviyanti, Estin; Mellyanawaty, Melly
Journal of Community Based Environmental Engineering and Management Vol. 8 No. 1 (2024): March 2024
Publisher : Department of Environmental Engineering - Universitas Pasundan - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jcbeem.v8i1.12620

Abstract

Sources of waste in Karawang Regency come from various activities of residents who are concentrated in locations such as residential, commercial, social facilities and public facilities. Each source of waste has characteristics for the generation, composition and characteristics of the resulting waste. In general, the source of waste is divided into household (domestic) and non-household (non-domestic). It is known that the generation of waste for the domestic sector of households is 2.93 L/person/day or 0.42 Kg/person/ day. But when viewed from the economic level, high income housing has the highest generation of 3.27 L/person/day. This is because differences in economic level and lifestyle affect the consumption level of the residents of the House. The higher the level of community life, the greater the waste generation. Based on the calculation results, it is known that the value of waste generation of each facility is different. This is because each facility has different activities. Shops have the highest generation of 3.78 L/person/day, followed by markets and roads as much as 1.55 L/m2/day and 1.12 L/ m2/day. This indicates that the activity of the store produces more waste than the market and the street. When reviewing the waste generation of Karawang Regency, the generation is greater than the domestic sector alone. The result of one area of Karawang Regency showed the waste generation is 0.56 Kg/person/day or 4.06 L/person/day.
Penentuan Mutu Air Waduk Jatiluhur Jawa Barat dengan Metode IP, Storet, CCME WQI sebagai Dampak Keramba Jaring Apung Mellyanawaty, Melly; Nurhalimah, Siti; Nofiyanti, Estin
Jurnal Teknologi Lingkungan Lahan Basah Vol 12, No 2 (2024): April 2024
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v12i2.76658

Abstract

The Jatiluhur Reservoir is an important structure in West Java Province that damming the Citarum River. This reservoir is a reservoir for domestic, industrial, and agricultural wastewater pollution originating from the catchment area, causing water quality to decline. This study was conducted to determine the water quality of the Jatiluhur reservoir in the 2020-2021 period using the IP, Storet, and CCMW WQI methods. Samples were taken from 5 stations, namely: Karamba, Kerenceng, Taroko, Parung Kalong, and Cilalawi, at several depths. Based on the results of the study, it is known that pH, DO, BOD, and free ammonia at the monitoring location do not meet the quality standards. The analysis found the lowest DO was 2 mg/L, the highest pH value was 10, BOD was 13 mg/L, and free ammonia was 1 mg/L. These four parameters contributed to the decline in water quality. Determination of water quality status showed lightly polluted for the IP method and moderately polluted for the Storet and CCMW WQI methods, thus affecting the utilization of this reservoir, especially as drinking water. Of the three methods, IP is the appropriate method used in this study because it has the lowest standard error. The decline in water quality in Jatiluhur Reservoir is caused by organic substances originating from floating net cage waste.  Keywords: Jatiluhur; floating net cage; water quality method  Abstrak  Waduk Jatiluhur merupakan bangunan penting di Provinsi Jawa Barat yang membendung Sungai Citarum. Waduk ini menjadi tempat penampungan pencemaran air limbah domestik, industri, dan pertanian yang berasal dari daerah tangkapan air sehingga menyebabkan kualitas air menurun. Penelitian ini dilakukan untuk mengetahui kualitas air Waduk Jatiluhur pada periode 2020-2021 dengan metode IP, Storet, dan CCMW WQI. Sampel diambil dari 5 stasiun yaitu: Karamba, Kerenceng, Taroko, Parung Kalong, dan Cilalawi, pada beberapa kedalaman. Berdasarkan hasil penelitian, diketahui bahwa pH, DO, BOD, dan amonia bebas di lokasi pemantauan tidak memenuhi baku mutu. Dari hasil analisis ditemukan nilai DO terendah 2 mg/L, pH tertinggi 10, BOD 13 mg/L, dan amonia bebas 1 mg/L. Keempat parameter ini berkontribusi terhadap penurunan kualitas air. Penentuan status mutu air menunjukkan tercemar ringan untuk metode IP dan tercemar sedang untuk metode Storet dan CCMW WQI, sehingga berpengaruh terhadap pemanfaatan waduk terutama sebagai air baku untuk air minum. Dari ketiga metode tersebut, IP merupakan metode yang sesuai digunakan pada penelitian ini karena memiliki standar eror terendah. Penurunan kualitas air di Waduk Jatiluhur disebabkan oleh zat-zat organik yang berasal dari limbah keramba jaring apung.  Kata Kunci: Jatiluhur; keramba jarring apung; metode mutu air
Co-Authors A Ibrahim Bayu Tri Laksono Chandra Wahyu Purnomo Chandra Wahyu Purnomo Estin Nofiyanti Estin Nofiyanti Estin Noviyanti Firda Mahira Alfiata Chusna Firda Mahira Alfiata Chusna Gatut Ari Wardani Hendrik Iskandar Iskandar, Anan Iswanto, Nur Lestari, Agnes DN. Lili Windyasari Bela N Mariam N Nurjanah N Salman Novi Nurjanah Noviyanti, Estin Nur Iswanto Nurcholis Salman Prayogi, Yoyok Rubiansyah Dio Lazuardi Salman, Nurcholis Salman, Nurcholis Silviani Siti Nurhalimah Tazkia Nurfadhillah Wiratni Budhijanto Wiratni Budhijanto