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Budi Nining Widarti
Program Studi Teknik Lingkungan, Fakultas Teknik Universitas Mulawarman
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Other

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Journal : Info-Teknik

 1 
PENGARUH PENGGUNAAN METODE OPEN WINDROW DAN TAKAKURA TERHADAP PENGOMPOSAN DEDAUNAN KERING Budi Nining Widarti
INFO-TEKNIK Vol 19, No 1 (2018): INFOTEKNIK Vol. 19 No. 1 Juli 2018
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v19i1.5146

Abstract

Garbage of yard has the highest composition of dry foliage. Dried foliage has potensial organic content to be composed. Simple composting is by using natural aeration that can be done by open windrow and takakura method. This studi aims to determmine the optimal method to produce compost with hight quality. This researsch was done variation of dry composting method using open windrow and takakura method. The result of this study shows that open windrow and takakura method of composting gave no effect to the ratio of C/N, N, P and K on composting dry foliage, so it can be concluded the use of natural aeration used in these two methods did not give a different effect on the ratio of C/N, N, P and K on the composting of dry foliage.
PENGGUNAAN VARIASI TRAY PADA PENGOLAHAN AIR SUMUR BOR Budi Nining Widarti
INFO-TEKNIK Vol 17, No 1 (2016): INFOTEKNIK Vol. 17 No. 1 2016
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v17i1.1258

Abstract

Drilled water well or groundwater is one of clean water sources which often contains high concentration of iron (Fe) and manganese (Mn) with low concentration of pH. The concentration of Fe, Mn and pH in the water that does not comply with quality standards may adversely affect the health of humans. The purpose of this study was to determine the optimum removal efficiency value for Fe, Mn and optimum value of difference in increasing for pH from the point of multiple tray aerator inlet-sedimentation outlet, overall treatment, and determine the quality of water sample at the end of outlet for each parameter in all variations of tray. On this research the variations were performed on multiple tray aerator was the first, second, third, fourth, fifth tray variation including the number of tray storey at 1, 2, 4, 6 and 8 tray.Based on the research that had been done at the point of multiple tray aerator inlet-sedimentation outlet, the optimum removal efficiency value for Fe occurred at the second tray variation of 61,93 %, Mn at the fourth tray variation of 35,69 %. The optimum value of difference in increasing for pH occurred at the fifth tray variation of 1,6. At the point of overall treatment, the optimum removal efficiency value for Fe occurred at the fourth tray variation of 100,00 %, Mn at the second tray variation of 99,68 %. The optimum value of difference in increasing for pH occurred at the fifth tray variation of 2,6.  
PENGEMBANGAN BIOGAS SAMPAH PASAR Budi Nining Widarti; Gadis Dilasari; Edhi Sarwono
INFO-TEKNIK Vol 23, No 1 (2022): INFOTEKNIK VOL. 23 NO. 1 JULI 2022
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v23i1.14136

Abstract

The traditional market has degradable waste, especially from the types of vegetables and left over food, the waste is not managed properly will potentially cause disease and poor aesthetics. There are various kinds of recycling and waste utilization efforts to reduce the potential negative impacts and produce a product that is more economically valuable so that the volume of waste does not continue to increase. Based on this consideration, it is necessary to study the generation and composition of waste as well as the potential for biogas from waste in Pasar Pagi Samarinda. The organic material of Pasar Pagi waste which is used as energy through the anaerobic digestion process can be considered from the quality of the biogas and the volume of biogas produced. The determination of waste generation and volume of waste is calculated based on the number of traders in the Pasar Pagi. The biogas production in the digester uses organic waste raw materials from Pasar Pagi and rumen liquid in a ratio of 1:1. The Calculation of gas formed was carried out using a U manometer, temperature measurements using a thermometer, pH measurements using a pH meter were carried out every day and VS measurements were carried out every seven days. The mass of Pasar Pagi waste was 1.81 kg/trader/day and for the volume unit is 4.90 L/trader/day. The total composition of organic waste for vegetables, fruit, and food waste was 85.5%, organic waste in the form of cardboard or paper waste was 2.9%, the composition of plastic waste was 10.7% and metal was 0.9%. The pH of the digester during the formation of biogas shows an acidic condition, and the increase in pH that occurs is only able to reach pH 6 or close to neutral. The temperature in the digester at the beginning of the process tends to increase, then decreases and increases again at the end of the process, but does not affect the biogas production that is still ongoing. The addition of cow rumen contents was able to increase the volume of biogas formed in organic matter and the VS value decreased every week accompanied by the increase in biogas production. This shows that the organic waste in Pasar Pagi has the potential for biogas production.
VARIASI OPTIMUM BIOGAS DARI LIMBAH CAIR KELAPA SAWIT Budi Nining Widarti; Ditha Dwijayanti; Edhi Sarwono
INFO-TEKNIK Vol 24, No 1 (2023): INFOTEKNIK VOL. 24 NO. 1 JULI 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v24i1.14960

Abstract

Biogas is one of the renewable energy sources produced from the process of methanogenesis. This research was conducted to determine the optimal composition of palm oil liquid waste (POME) and cow rumen fluid to produce biogas and to determine the effect of the composition of the mixture on the volatile solid value, pH, temperature, biogas production, and flame testing. This study used 3 trial batch type digesters with a capacity of 40 L and the raw material was a mixture of palm oil mill effluent (POME) and cow rumen fluid with a composition of 3 : 1 (R1), 1 : 1 (R2) and 4 : 1 ( R3). During the treatment, pH, temperature, VS and biogas were tested. This research was conducted for 49 days. The research was conducted for 49 days and it was found that the composition of the mixture of palm oil mill effluent (POME) with cow rumen fluid which was optimal for producing biogas was found in R1 with a mixture composition of POME: cow rumen fluid as 3:1. R1 produces a volume of biogas of 1.86 L, from the flame test it can ignite from the third to the seventh week. The composition of the different mixed ingredients for each digester has an influence on the value of VS, pH, temperature, biogas production, and flame tests. The effect was on the difference in VS values, pH, biogas production, and flame test results for each digester, but for the temperature parameter the effect was not too visible because the temperature ranges for the three digesters were both in the mesophilic temperature range, ranging from 27°C - 32°C.
ANALISIS POTENSI TIMBULAN SAMPAH ELEKTRONIK SEKTOR RUMAH TANGGA DI KECAMATAN SAMARINDA ULU widarti, budi nining; rahayu, dwi ermawati; negara, muzalia augustina
INFO-TEKNIK Vol 25, No 2 (2024): INFOTEKNIK VOL. 25 NO. 2 DESEMBER 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v25i2.19152

Abstract

Chung, S., Lau, K., dan Zhang, C. 2011,”Generation of and Control Measure forE-Waste in Hongkong.Waste Management” 31, 544-554. Damanhuri, Enri, dan Tri Padmi., 2010, “Buku Ajar Teknologi Pengelolaan Sampah”, Departemen Teknik Lingkungan, Institut Teknologi Bandung, Bandung. Departemen Kesehatan R.I., 1987, “Pedoman Pembuangan Sampah”, Akademi Penilik Kesehatan Teknologi Sanitasi. Hanafi, J., Helena, K., 2011, “The Prospects of Managing WEEE in Indonesian”, Proceeding of the 18th CIRP International Conference on Life Cycle Engineering, Braunschweig. Herdayuli dan Ellina S. Pandebessie., 2012, “Penentuan Jumlah dan Jenis Potensi Timbulan Sampah Elektronik dari Rumah Tangga di Wilayah Surabaya Utara”, Surabaya : Jurusan Teknik Lingkungan Fakultas Teknik Sipil dan Perencanaan Institut Teknologi Sepuluh November. Rahmadani, Arsy Anastasya., 2018, “Studi Pengelolaan Sampah Elektronik (E-Waste) Rumah Tangga Di Kota Yogyakarta Bagian Selatan”, Yogyakarta : Program Studi Teknik Lingkungan, Universitas Islam Indonesia. Shad, K. M., Ling, S., & Karim, M., 2020, “Comparative Study on E-Waste Management and the Role of the Basel Convention in Malaysia, Singapore, and Indonesia: a Way Forward”, Indonesia Law Review. SNI 19-3964-1994, Metode Pengambilan dan Pengukuran Contoh Timbulan dan komposisi Sampah Perkotaan, Departemen Pekerjaan Umum : Bandung. Wahyono, Sri., 2012, “Kebijakan Pengelolaan Limbah Elektronik dalam Lingkup Global dan Lokal”, Jurnal Teknologi Lingkungan, Banten. Widyarsana, IMW., Winarsih, D.R., Damanhuri, E., Padmi, T., 2010, “Identifikasi Material E-Waste Komputer dan Komponen Daur Ulangnya di Lokasi Pengepulan E-Waste (Studi Kasus : Kota Bandung”, Bandung.
Co-Authors Abdul Kahar Aji Ery Burhandenny Azis, Wahyu Arindra Dhea Yolanda Didit Suprihanto, Didit Ditha Dwijayanti Dwi Ermawati Rahayu Dyah Wahyu Wijayanti Edhi Sarwono Edhi Sarwono Fitriadi Fitriadi Gadis Dilasari Hairul Huda Megahapsari Martaningtyas Meicahayanti, Ika Muhammad Busyairi, Muhammad negara, muzalia augustina Rika Endata Sinta Devia Zain, Iqbal Fathur