Zobrazeno 1 - 10
of 308
pro vyhledávání: '"Wiratni"'
Autor:
Drajat Indah Mawarni, Wiratni Budhijanto Budhijanto, Deendarlianto Deendarlianto, Hartono Guntur Ristiyanto Ristiyanto, Wawan Dedi Marahendra Marahendra, Indarto Indarto
Publikováno v:
Rekayasa Mesin, Vol 15, Iss 2, Pp 937-944 (2024)
In this study, we present the bubble breaking mechanism of the rotating flow in the swirl type microbubble generator (MBG) on the resulting performance in this case the oxygen dissolution rate. This type of MBG is an aeration technology and has been
Externí odkaz:
https://doaj.org/article/3335644c2bc54d8eb1417bf0210abe8c
Autor:
Wiratni Budhijanto, Chandra Wahyu Purnomo, Dzikrima Lutfi Fadhila, Lenny Halim, Melly Mellyanawaty, Lisendra Marbelia, Rifki Wahyu Kurnianto, Hezekiel Karunia Putra
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100759- (2024)
Every liter of sugarcane-based bioethanol production discharges 8–20 L of liquid waste called vinasse, which is suitable for biogas production. However, biogas production from vinasse is hindered by the presence of phenolic compounds as inhibitors
Externí odkaz:
https://doaj.org/article/64b053ed22db41229c4a24731a52a5b0
Publikováno v:
International Journal of Technology, Vol 13, Iss 8, Pp 1704-1714 (2022)
Tissue sealant is a material that is used as an adhesive to bond two tissue surfaces used during surgery. Chitosan and alginate are natural macromolecules used to manufacture hydrogels as tissue sealants because these two materials can strengthen
Externí odkaz:
https://doaj.org/article/70d4eced5651489d8792f372d14a14ed
Publikováno v:
International Journal of Technology, Vol 13, Iss 8, Pp 1715-1725 (2022)
Hydrogel is a three-dimensional network of hydrophilic polymers widely used in the biomedical field, one of which is a tissue sealant. The material that can be used in the manufacture of hydrogels is chitosan. The ability of chitosan in the forma
Externí odkaz:
https://doaj.org/article/f4465d0e016b45ed991e750bc24cba99
Publikováno v:
Rekayasa Mesin, Vol 13, Iss 2, Pp 361-371 (2022)
This research uses a swirl type MBG (MBG) with the gap variation between the air nozzle and the outlet of 1, 5 and10 mm. In this experiment, we used a tangential inlet of 25 mm and an outlet of 20 mm with a water flow rate of 20 – 70 l/min and an a
Externí odkaz:
https://doaj.org/article/578c9382178d44429a7b531deafa0ee7
Autor:
Ardian Indra Bayu, Rara Ayu Lestary, Nugroho Dewayanto, Melly Mellyanawaty, Agni Wicaksono, Roberty Wisnu Alvania Kartika, Deni Frans Sakka, Muhammad Mufti Azis, Wiratni Budhijanto
Publikováno v:
Results in Engineering, Vol 14, Iss , Pp 100432- (2022)
Vinasse, the liquid waste from the bottom of a bioethanol distillation column, is a potential feedstock for biogas production due to its high organic content. Vinasse is discharged at a high temperature, i.e., 60–80 °C. Therefore, thermophilic ana
Externí odkaz:
https://doaj.org/article/e98fd6ab06b44f6aa083cc2625606245
Autor:
Laily Isna Ramadhani, Sri Ismiyati Damayanti, Hanifrahmawan Sudibyo, Muhammad Mufti Azis, Wiratni Budhijanto
Publikováno v:
International Journal of Renewable Energy Development, Vol 10, Iss 1, Pp 11-16 (2021)
Indonesia is currently the most significant crude palm oil (CPO) producer in the world. In the production ofCPO, 0.7m3 of Palm Oil Mill Effluent (POME) is emitted as the wastewater for every ton of fresh fruit bunches processed in the palm oil mill.W
Externí odkaz:
https://doaj.org/article/7f5ae7ffac3b400c9926053ceda08b20
Publikováno v:
Journal of the Civil Engineering Forum, Vol 8, Iss 1 (2021)
The Techno Park basin, built as an extension of a small tributary of the Code River primarily acts as a retention basin for runoff during the rainy season. It improves the quality of water that has been degraded by domestic wastewater discharge from
Externí odkaz:
https://doaj.org/article/15d8377a69854faf8faa115094b2491a
Autor:
Catia Angli Curie, Muhammad Arif Darmawan, Dianursanti Dianursanti, Wiratni Budhijanto, Misri Gozan
Publikováno v:
Polymers, Vol 14, Iss 18, p 3856 (2022)
Contradictions have been reported on the effect of organic solvents, especially toluene, on enzymatic ring-opening polymerization (eROP) of L-lactide. Studies have shown that log P, a common measure of hydrophilicity, affects enzyme activity. This st
Externí odkaz:
https://doaj.org/article/3be1587559e847e69a6e305ec3584f89
Autor:
Sri Ismiyati Damayanti, Dian Fitriani Astiti, Chandra Wahyu Purnomo, Sarto Sarto, Wiratni Budhijanto
Publikováno v:
Jurnal Bahan Alam Terbarukan, Vol 8, Iss 1, Pp 14-21 (2019)
Two-stage anaerobic fluidized bed is an innovation in anaerobic digestion technology intended to handle liquid waste with high organic loading and complex substrate. The process is based on separation between acidogenic/acetogenic and methanogenic pr
Externí odkaz:
https://doaj.org/article/86dac8792dde4c398da34dd33d662c7d