Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Haryo Satriya Oktaviano"'
Autor:
Agung Nugroho, Muhammad Reza Wirayudha Pratama, Hans Kristianto, Haryo Satriya Oktaviano, Arenst Andreas Arie, Ratna Frida Susanti
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 26, Iss 8, Pp 293-299 (2023)
Biomass has been considered an alternative source of electrode materials. Converting biomass into activated carbon is one of the possible approaches. Coffee ground waste is abundant as the world’s coffee-drinking culture grows. This paper describes
Externí odkaz:
https://doaj.org/article/3b55946d6b7c4fc498eea0a9a3a708f2
Autor:
Uswatul Chasanah, Wega Trisunaryanti, Triyono, Haryo Satriya Oktaviano, Iman Santoso, Dyah Ayu Fatmawati
Publikováno v:
Communications in Science and Technology, Vol 7, Iss 2, Pp 103-111 (2022)
The study of the green reductant effects to produce reduced graphene oxide (rGO) has been completed successfully. The reduction of graphene oxide (GO) was carried out chemically using various reductants such as ascorbic acid (rGO-AA), gallic acid (rG
Externí odkaz:
https://doaj.org/article/c883ffa644c441d9b29be16692e30586
Autor:
Uswatul Chasanah, Wega Trisunaryanti, Haryo Satriya Oktaviano, Triyono Triyono, Dyah Ayu Fatmawati
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 5, Pp 1205-1217 (2022)
Synthesis of graphene oxide (GO) with the Tour method has been studied. In this procedure, phosphoric acid was mixed with sulfuric acid in the ratio of 1:9, and then potassium permanganate and graphite with the ratio of 6:1 was added in an ice bath a
Externí odkaz:
https://doaj.org/article/4efbeead12924d6f9ee9e0475f27203c
Autor:
Nia Meisa Wulandari, Lisna Efiyanti, Wega Trisunaryanti, Haryo Satriya Oktaviano, Syaiful Bahri, Yatim Lailun Ni’mah, Savitri Larasati
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 16, Iss 3, Pp 632-640 (2021)
Due to its wide application, synthesizing silica through a cost-effective process becomes an attractive subject to be studied today. In this work, mesoporous silica (MS) was prepared from the highly available agricultural waste, rice husk ash (RHA),
Externí odkaz:
https://doaj.org/article/7715adb94e424dfda020bf40b606c1a4
Autor:
Dyah Ayu Fatmawati, Triyono Triyono, Wega Trisunaryanti, Haryo Satriya Oktaviano, Uswatul Chasanah
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 5, Pp 1086-1096 (2021)
Synthesis of graphene oxide (GO) material with variations in permanganate/graphite ratio has been carried out. This research purposes to study the impact of increasing oxidizing agents to graphite on the chemical structure and properties of the GO ma
Externí odkaz:
https://doaj.org/article/d84291035a4c4c85843bdd74c8421e6a
Autor:
Shofirul Sholikhatun Nisa, Mintarsih Rahmawati, Cornelius Satria Yudha, Hanida Nilasary, Hartoto Nursukatmo, Haryo Satriya Oktaviano, Soraya Ulfa Muzayanha, Agus Purwanto
Publikováno v:
Batteries, Vol 8, Iss 1, p 4 (2022)
Li-ion batteries as a support for future transportation have the advantages of high storage capacity, a long life cycle, and the fact that they are less dangerous than current battery materials. Li-ion battery components, especially the cathode, are
Externí odkaz:
https://doaj.org/article/a0431c5abe294ab88a33ff23f62a1ea0
Autor:
Cornelius Satria Yudha, Anjas Prasetya Hutama, Mintarsih Rahmawati, Hendri Widiyandari, Hartoto Nursukatmo, Hanida Nilasary, Haryo Satriya Oktaviano, Agus Purwanto
Publikováno v:
Energies, Vol 14, Iss 18, p 5980 (2021)
Zinc oxide (ZnO) is one of the most promising materials applied in Li-ion batteries. In this research, ZnO was synthesized by the thermal decomposition of zinc oxalate dihydrate. This precursor was obtained from the precipitation process of zinc sulf
Externí odkaz:
https://doaj.org/article/de8e7e36f6584efd8800cb5b6b8492e7
Publikováno v:
Indonesian Journal of Chemistry, Vol 8, Iss 1, Pp 47-53 (2010)
Cobalt and nickel based catalysts for ethanol steam reforming have been prepared. Preparation of Na-Ni-Mo/C, Na-Co-Mo/C, K-Ni-Mo/C and K-Co-Mo/C have been carried out using sol-gel method by applying citric acid as complexion agent and source for sup
Externí odkaz:
https://doaj.org/article/8a44415239a546aba1c4d4e123a6c0fa
Autor:
Rafli Eghbal Haraki, Arenst Andreas Arie, Ratna Frida Susanti, Haryo Satriya Oktaviano, Agung Nugroho
Publikováno v:
Engineering Chemistry. 2:35-41
The addition of zinc oxide (ZnO) as impregnation for activated carbon (AC) with the hydrothermal method has been performed in this research. Vetiver distillation waste has been used as a precursor for activated carbon synthesized with pyrolisis metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8fee6c8fd00c312c297d937dab08b35
https://doi.org/10.4028/p-1z7h01
https://doi.org/10.4028/p-1z7h01
Autor:
Muhammad Nur Ikhsanudin, Meidiana Arinawati, Nursukatmo Hartoto, Hanida Nilasary, Haryo Satriya Oktaviano, Soraya Ulfa Muzayanha, Anif Jamaluddin
Publikováno v:
Defect and Diffusion Forum. 417:207-217
Significant demand of Li-ion batteries (LIBs) is raising awareness of future LIBs wastes which are highly required to be reprocessed, reused or recycled. In this research, copper foil waste from spent LIBs are upcycled as an anode material, CuO. Hydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04af73da00f52443816a04713b686982
https://doi.org/10.4028/p-4397yd
https://doi.org/10.4028/p-4397yd