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All Journal Reaktor International Journal of Renewable Energy Development JURNAL TEKNOLOGI LINGKUNGAN The Journal of Pure and Applied Chemistry Research Teras Jurnal JTERA (Jurnal Teknologi Rekayasa) Adi Widya : Jurnal Pengabdian Masyarakat Communications in Science and Technology IJEMS (Indonesian Journal of Environmental Management and Sustainability) Civil and Environmental Science Journal (CIVENSE) Astonjadro Jurnal EnviScience (Environment Science) INTEGRITAS : Jurnal Pengabdian Jurnal Abdi: Media Pengabdian Kepada Masyarakat International Journal of Engineering, Technology and Natural Sciences (IJETS) Journal of Earth and Marine Technology (JEMT) Journal of Sustainable Infrastructure
Sarwono, Ariyanti
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Journal : Astonjadro

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COCONUT LEAF WASTE PROCESSING WITH BIODRYING PROCESS AS RAW MATERIAL FOR BIOMASS PELLETS IN WASTE TO ENERGY Ulhasanah, Nova; Sarwono, Ariyanti; Yosafaat, Michael; Filippi, Dennis; Sari, Mega Mutiara; Suryawan, I Wayan Koko
ASTONJADRO Vol. 11 No. 1 (2022): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v11i1.5853

Abstract

Coconut leaf waste is a type of waste that contains a good enough calorific value to be used as raw material for biomass pellets. The minimum standard calorific value of biomass in Indonesia according to SNI 8675:2018 is 16.05 MJ/kg. Meanwhile, based on the research results, the calorific value of coconut leaf waste has a value of 13.34 MJ/kg. The way that can be applied to increase the calorific value is by biodrying. This study aimed to determine the effectiveness of the biodrying process in processing coconut leaf waste. This study use bioactivators in the form of tempe yeast, baker's yeast, and tapai yeast. Mass loss and moisture reduction can be achieved, respectively, 8.25-17.62% and 62.4-65.6%. The calorific value can reach the minimum standard after seven days of processing with a value of 17,995-18,623 MJ/kg.
EVALUATION OF WASTEWATER TREATMENT IN NUSA DUA TOURISM AREA AND THEIR CHALLENGES TO ALGAE BLOOM Darwin, Darwin; Prajati, Gita; Adicita, Yosef; Suryawan, I Wayan Koko; Sarwono, Ariyanti
ASTONJADRO Vol. 10 No. 2 (2021): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v10i2.5413

Abstract

The wastewater treatment plant (WWTP) in the Nusa Dua area has implemented a stabilization pond to reduce organic matter and nutrients. Because it has been operating since 1980, it is necessary to evaluate the existing conditions. The aim of this study was to determine the percentage of organic and nutrient reduction from the WWTP system. Organic removal in the form of BOD and COD parameters were 71.84% and 75.11%, respectively. Meanwhile, nutrient parameters in the form of NH3-N, TN, and TP have a percentage of 83.64%; 59.41%, and -375.81%, respectively. TP is the only parameter that has increased, causing a problem which is caused by the explosion of algae population in the reservoir. TP allowance should be a concern in choosing advanced treatment.
Co-Authors Adicita, Yosef Adji, Muhammad Wahyu Fattiar Anshah Silmi Afifah Aprill, Gregorius De Arifianti, Qurrotin Ayunina Maulida Okta Bakara, Putri Pitra Uli Chatarina Umbul Wahyuni Darwin Darwin Dinan Qonitan, Fatimah Erlingga, Falia Ayu Fansyah, Delfia Faria, Niswatun Filippi, Dennis Gaina, Pratiwi Claudia Hafizh, Haidar Hilmi, Farhan M Imroatus Sholikhah, Imroatus Kasamira, Kesya Ivana Kembaren, Adewita Br Kusuma, Antonio Kusumaningtyas, Disfiatri Lahmadi, Salman Farid Lim, Jun-Wei Listyendah Zahra, Nurulbaiti Marsono, Muhammad Ridho Mubaroq, Ahmad Zakhi Muhammad, Umardimas Mumtaz Mutiara Sari, Mega Nabila, Dhian Najwa, Alfiyah Nastiti, Almira Davina Nurulbaiti Listyendah Zahra, Nurulbaiti Listyendah Oktaviani, Namira Yostya Prajati, Gita Priutama, Yesaya Emeraldy Putra, Giovanni Ruly Putri, Cyntia Aulia Putri, Gabriella Natasya Putri, Naila Putri, Natasya Hikmat Putri, Septiani Eka Rachmantoro, Hafiz Arie Rahmalia, Intan Ridhosari, Betanti Rofiah, Rofiah Salsabila, Thalita Kaltsum Sari, Mega Mutiara Sekarsari, Dinda Septiariva, Iva Yenis Setiaji, Nurul Faizah Sofiyah, Evi Siti Suhardono, Sapta Suryawan, I Wayan Koko Syaifaurrahmah, Syaifaurrahmah Ulhasanah, Nova Ummatin, Kuntum Khoiro Vembrio, Leonardus Alvin Widi Wibisono, Andhika Yoga Wijaya, Angga Eka WISNU SAPUTRA Yenis Septiariva, Iva Yohana, Theresia Yosafaat, Michael Yuliani, Aulia Rachmah Zakiatunnisa, Azmi