Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Roni Maryana"'
Autor:
Hasanudin Hasanudin, Wan Ryan Asri, Rahmawati Rahmawati, Fahma Riyanti, Roni Maryana, Muhammad Al Muttaqii, Nino Rinaldi, Fitri Hadiah, Novia Novia
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 19, Iss 2, Pp 275-284 (2024)
This study aims to produce diisopropyl ether (DIPE) via isopropanol dehydration using cobalt-phosphate-supported natural zeolite catalysts. The catalytic activities of the zeolite/CoO and zeolite/Co(H2PO4)2 were compared. The as-prepared catalysts we
Externí odkaz:
https://doaj.org/article/0874714f7d894bd797157cbeab8e12d8
Autor:
Abdul Halim, Farah Layli Ramadhani, Latif Wahyudi, Roni Maryana, Maya Ismayati, Maktum Muharja, Nanta Fakih Prebianto, Edwin K. Sijabat, Azmi Alvian Gabriel, Surya Iryana Ihsanpuro
Publikováno v:
South African Journal of Chemical Engineering, Vol 49, Iss , Pp 114-121 (2024)
The application of the expanded polystyrene (EPS) waste to the functional material is still a challenge. The hydrophobic property of polystyrene has a potential to create a superhydrophobic surface. Here, we use expanded polystyrene waste to coat sur
Externí odkaz:
https://doaj.org/article/6710199add264c37a99efbb8d6d781e3
Autor:
Mohammad Jakir Hossain, Rupak Kumar Ghosh, Atanu Kumar Das, Roni Maryana, Muryanto Muryanto, Shambhu Chandra Nath, Md. Rakibul Islam
Publikováno v:
Advances in Bamboo Science, Vol 9, Iss , Pp 100111- (2024)
Bamboo is a renewable bioresource with extensive applications, from construction to textiles, and is essential for bioenergy and eco-friendly practices. Despite its potential use in biorefineries, the utilization of abundant species like Dendrocalamu
Externí odkaz:
https://doaj.org/article/6e35460fc0d244b7af0e8409b8a81df6
Autor:
Arief Ameir Rahman Setiawan, Ary Mauliva Hada Putri, Teuku Beuna Bardant, Roni Maryana, Yanni Sudiyani, Muryanto, Eka Triwahyuni, Deliana Dahnum, Nino Rinaldi, Yan Irawan, Tofael Ahamed, Ryozo Noguchi
Publikováno v:
International Journal of Technology, Vol 14, Iss 4, Pp 877-887 (2023)
A comparative evaluation between two scenarios to utilize Empty Fruit Bunch (EFB) biomass residue for producing bioethanol was performed. The simulations included EFB-to Ethanol integrated into the Refined, Bleached & Deodorized (RBD) palm oil sce
Externí odkaz:
https://doaj.org/article/29ea016cd6c94cdabb3b132818e36781
Autor:
Mohammad Jakir Hossain, Rupak Kumar Ghosh, Atanu Kumar Das, Roni Maryana, Yanni Sudiyani, Shambhu Chandra Nath, Rakibul Islam
Publikováno v:
Advances in Bamboo Science, Vol 6, Iss , Pp 100062- (2024)
Sustainable materials are becoming increasingly important due to environmental concerns and the energy crisis. Non-wood resources such as bamboo are being explored as alternatives to wood-based materials to reduce deforestation. However, the chemical
Externí odkaz:
https://doaj.org/article/ebd9d7280bc849b38c96e6cf470e0ded
Autor:
Hasanudin Hasanudin, Wan Ryan Asri, Utari Permatahati, Widia Purwaningrum, Fitri Hadiah, Roni Maryana, Muhammad Al Muttaqii, Muhammad Hendri
Publikováno v:
AIMS Energy, Vol 11, Iss 2, Pp 197-212 (2023)
Nickel nitride supported on natural bentonite was prepared and tested for hydrocracking Crude Palm Oil (CPO). The catalyst was prepared using the wet impregnation method and various nickel nitride loading. Subsequently, the nickel nitrate-bentonite w
Externí odkaz:
https://doaj.org/article/7fc5e00af5294498bfea4de38c423a53
Autor:
Hasanudin Hasanudin, Wan Ryan Asri, Widia Purwaningrum, Fahma Riyanti, Novia Novia, Roni Maryana, Muhammad Al Muttaqii
Publikováno v:
Molekul, Vol 17, Iss 3, Pp 355-364 (2022)
Coconut oil mill waste (CMW) contained high free fatty acid (FFA) content which potentially could be converted into a value-added product such as fatty acid methyl ester (FAME). In this study, a montmorillonite-sulfonated carbon catalyst was used to
Externí odkaz:
https://doaj.org/article/c01de49cc4dd432e82c1aaaa4822b65a
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 25, Iss 5, Pp 192-196 (2022)
Lignin, the second most abundant natural polymeric globally, is considered the source of the renewable aromatic compound. It serves as an alternative feedstock for the elaboration of chemicals and polymers. However, even until now, it is still primar
Externí odkaz:
https://doaj.org/article/8a53dba241e4433ca96caec6eb761d77
Publikováno v:
Heliyon, Vol 9, Iss 1, Pp e13028- (2023)
The growing demand for energy and environmental issues are the main concern for the sustainable development of modern society. Replacing toxic and expensive materials with inexpensive and biodegradable biomaterials is the main challenge for researche
Externí odkaz:
https://doaj.org/article/3901212fe1504f0590fd5f35ea4778c8
Publikováno v:
Nature Environment and Pollution Technology, Vol 19, Iss 2, Pp 669-675 (2020)
Recently substitution of fossil fuel-based polymer by natural polymer sources has been studied. Cellulose acetate that can be produced from the cellulose of biomass waste is an environmentally friendly and important polymer with many applications. Th
Externí odkaz:
https://doaj.org/article/d74c4bd43f1e4137867c26c4666556b5