Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Retno Dwi Jayanti"'
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 10, Iss 1, Pp 1-10 (2024)
Ion exchange is one of the water treatment methods used to reduce hardness. To improve the performance of the ion exchange columns, modification can be done by adding an activated carbon column placed after the ion exchange column to adsorb ions that
Externí odkaz:
https://doaj.org/article/70c7e81ac474430ea1ea2ddeca83c7ec
Publikováno v:
Ethos: Jurnal Penelitian dan Pengabdian kepada Masyarakat, Vol 11, Iss 1, Pp 85-93 (2023)
The abstract of the During the pandemic, people's activities were dominantly carried out at home, resulting in increased online shopping activities and their packaging which caused accumulation of household waste. The RW 05 area of Sukamenak Village,
Externí odkaz:
https://doaj.org/article/6c3a67ced4b241018aa60e0fbce6a68b
Publikováno v:
Jurnal Pengabdian Masyarakat Bumi Raflesia. 5:1048-1055
Permasalahan sampah meningkat di masa pandemic, akibat melonjaknya sampah domestik selama work from home (WfH) dan aktivitas belanja online sebesar 27%-35%, walaupun dapat menggerakkan perekonomian, tetapi sampah kemasan menumpuk. Desa Sukamenak RW 0
Autor:
Agustinus Ngatin, Adi Rizki Nugraha, Mukhtar Gozali, Ageng Priyambudi, Tri Hariyadi, Rony Pasonang Sihombing, Yusmardhany Yusuf, Retno Dwi Jayanti, Retno Indarti
Publikováno v:
Fluida. 15:89-96
Limbah laundry dapat menjadi masalah serius bagi lingkungan jika dibuang tanpa pengolahan. Masalah yang timbul diantaranya nilai Chemical Oxygen Demand (COD), fosfat, dan kekeruhan yang tinggi. Tujuan penelitian yaitu mempelajari pengaruh laju alir t
Autor:
Retno Dwi Jayanti
Publikováno v:
INTELEKTIUM. 3:255-261
Tujuan dari penelitian ini adalah untuk mengetahui hasil belajar Biologi siswa SMAIT Al Marjan pada pembelajaran daring selama pandemi covid-19. Penelitian ini menggunakan metode penelitian kualitatif deskriptif. Teknik pengumpulan data dilakukan den
Autor:
Rony Pasonang Sihombing, Agustinus Ngatin, Joko Suryadi, Retno Dwi Jayanti, Yunus Tonapa Sarungu, Robby Sudarman
Publikováno v:
Kumawula: Jurnal Pengabdian Kepada Masyarakat. 5:82
Air bersih yang memadai secara kuantitas, kualitas dan kontinuitas merupakan kebutuhan penting untuk kelangsungan hidup manusia. Oleh karenanya diperlukan suatu instalasi pengolahan air untuk menunjang kebutuhan ini. Air tanah merupakan air yang belu
Publikováno v:
Proceedings of the 2nd International Seminar of Science and Applied Technology (ISSAT 2021).
Autor:
I. Nyoman Widiasa1 widiasa@undip.ac.id, Retno Dwi Jayanti1
Publikováno v:
Journal of Engineering & Technological Sciences. 2017, Vol. 49 Issue 2, p193-209. 17p.
Autor:
Retno Dwi Jayanti, Unung Leoanggraini
Publikováno v:
Fullerene Journal of Chemistry. 5:10
Chitin on crab shell waste can be obtained by fermentation process use Rhizopus oryzae. The objective of this research are to determine the optimum of water content on crab shell waste fermentation by Rhizopus oryzae for chitin production. Fermentati
Autor:
Retno Dwi Jayanti, I Nyoman Widiasa
Publikováno v:
Journal of Engineering and Technological Sciences, Vol 49, Iss 2 (2017)
Journal of Engineering and Technological Sciences, Vol 49, Iss 2, Pp 193-209 (2017)
Journal of Engineering and Technological Sciences, Vol 49, Iss 2, Pp 193-209 (2017)
A case study on utilizing reverse osmosis (RO) technology to fulfill fresh water needs at a mall and a hotel has been done on Bali Island, Indonesia. A mix of brackish water and sewage treatment plant (STP) effluent was used as feed water in the RO s