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All Journal International Journal of Renewable Energy Development KOVALEN: Jurnal Riset Kimia FLUIDA Jurnal Rekayasa Hijau International Journal of Applied Technology Research Industrial Research Workshop and National Seminar International Journal of Renewable Energy Development Serambi Engineering
Ramadhani, Laily Isna
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Other

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Journal : Serambi Engineering

 1 
Pengaruh Laju Alir Udara terhadap Konstanta Pengeringan Bunga Telang (Clitoria ternatea) Menggunakan Tray Dryer Laily Isna Ramadhani; Irwan Hidayatulloh; Dhyna Analyes Trirahayu
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The drying process in this study was carried out using a tray dryer at a drying air temperature of 60oC and a relative humidity of 17.8% by varying the flow rate, namely 1.6, 2.4 and 3.2 m/s. An analysis of the decrease in water content and drying rate constant was carried out to determine the effect of variations in flow rate on these two parameters based on experimental data and corroborated by correlation analysis and statistical significance. Variations in the flow rate of the drying air have an impact on reducing the water content of the butterfly pea flower by 57-60%, where based on the significance test, the results show that the relationship between the two variables is not statistically significant. In addition to the reduction in water content, the drying rate constant was also investigated in this study, where the largest drying rate constant was 0.0154 kgH2O/m2.minute when a drying air flow rate of 3.2 m/s was used.
Pengaruh Penggunaan Bioreaktor Dua Tahap terhadap Pengolahan Anaerobik Lindi Sampah Kota Laily Isna Ramadhani; Alifa Dewi Kirana; Ghinaa Annisa Khairani; Herawati Budastuti; Dhyna Analyes Trirahayu; Keryanti
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The generation of waste in landfills can result in the production of wastewater, commonly referred to as leachate. This leachate has the potential to pollute the surrounding environment, as it can enter the groundwater or be transported by surface flows. Consequently, leachate treatment is conducted through a two-stage anaerobic process. The method was selected due to its capacity to decompose waste with high organic content and to produce optimal biogas. The objective of this study is to ascertain the impact of employing a two-stage anaerobic bioreactor on the proliferation of anaerobic microorganisms in the context of leachate treatment. The application of an acidic pH in the acidogenic bioreactor influences the growth of acidogenic bacteria, resulting in a shorter lag phase in comparison to the single bioreactor. This also impacted the reactor's performance in reducing the concentration of chemical oxygen demand (COD). The two-stage bioreactor demonstrated a superior COD reduction efficiency of 78%, in comparison to the single-stage bioreactor, which exhibited an efficiency of 69%.
Co-Authors Affifah Asri Afiani Alifa Dewi Kirana Almarnugraha, Aditya Alyanissa Nurfadiya Ananda Dea Maharani Angela, Santa Apriyanti, Fitri Atqiyaa, Millatul Budiastuti, Herawati - Damayanti, Sri Ismiyati Dhyna Analyes Trirahayu Fitriani, Ana Ghinaa Annisa Khairani Hanifrahmawan Sudibyo Herawati Budastuti Herawati Budiastuti Hidayatulloh, Irwan Irwan Hidayatulloh Keryanti, Keryanti Luthfiana Nurfauziah Melina Melina Muhammad Mufti Azis Muhammad Mufti Azis Muhari, Emma Hermawati Nabila, Salma Ainun Nanda Ravenia Amanda Nurazizah, Annisa Nurcahyo Pullammanappalil, Pratap Ririn Rismawati Robby Sudarman Sabinna Azahra Suleman Setyaningrum, Sinta Sri Ismiyati Damayanti Sudibyo, Hanifrahmawan Sudrajat Harris Abdulloh Trirahayu, Dhyna Analyes Vini Ivania Pardeny Widyabudiningsih, Dewi Wiratni Budhijanto Wiratni Budhijanto Wirawan, Feri Yurike Dwiayu Rahmaningsi