Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Neza Rahayu Palapa"'
Autor:
Erni Salasia Fitri, Risfidian Mohadi, Neza Rahayu Palapa, Susila Arita Rachman, Aldes Lesbani
Publikováno v:
Environment and Natural Resources Journal, Vol 22, Iss 2, Pp 129-144 (2024)
One of the main needs of humans is water, one source of water pollutantion is from dyes. Adsorption is the most popular method in removing pollutants as it is proven to be efficient. One of the dyes harmful to living things is malachite green. In thi
Externí odkaz:
https://doaj.org/article/923e79ea7f004855987c318a15699dfc
Autor:
Erni Salasia Fitri, Risfidian Mohadi, Neza Rahayu Palapa, Susila Arita Rachman, Aldes Lesbani
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 1, Pp 129-136 (2024)
Water is one of the most basic human needs, and dyes are one of the sources of water pollution. Since adsorption has proven to be effective in removing contaminants, it is the most widely used technique. In this adsorption, a LDH Zn-Al /magnetic bioc
Externí odkaz:
https://doaj.org/article/a36cdfdffecc49c69a611f3a5da2e734
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 1, Pp 156-166 (2024)
Elevated concentrations of dyes in water have a significant impact on both the aquatic ecosystem and human well-being. The adsorption approach, which is cost-effective and simple to use, was chosen for color treatment. The adsorbents used in this stu
Externí odkaz:
https://doaj.org/article/3d2e4fe5fff14785b934a291068f3a0f
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 4, Pp 659-674 (2023)
Methylene blue dye is hard to degrade and requires treatment using Ni-Al Layered double hydroxides (LDHs) modified with magnetite biochar (MBC) to form Ni-Al/magnetite biochar composite in overcoming environmental pollution. Material attainment was i
Externí odkaz:
https://doaj.org/article/89b47f1ac78147b2803884623ba2157c
Autor:
Amri Amri, Rezonsi Rezonsi, Nur Ahmad, Tarmizi Taher, Neza Rahayu Palapa, Risfidian Mohadi, Aldes Lesbani
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 3, Pp 460-472 (2023)
All activities require drinking water. The existence of waste makes water unfit for consumption. Phenol waste is one example of waste that is often found. The toxic and corrosive nature of phenol is very dangerous for life, so its presence must be co
Externí odkaz:
https://doaj.org/article/80840dd82d7742038fd93d3a9bdf4b44
Autor:
Risfidian Mohadi, Neza Rahayu Palapa, Sahrul Wibiyan, Mardiyanto, Rohmatullaili, Erni Salasia Fitri, Aldes Lesbani
Publikováno v:
Science and Technology Indonesia, Vol 8, Iss 3, Pp 414-421 (2023)
In this study, composite layer double hydroxide-metal oxide catalysts (Ni/Al-TiO2 and Ni/Al-ZnO) were successfully prepared and utilized for the oxidative desulfurization of dibenzothiophene. The catalysts were characterized using XRD, FTIR, and SEM-
Externí odkaz:
https://doaj.org/article/66072115de7b45cdb44c5d6edf0ff234
Publikováno v:
Science and Technology Indonesia, Vol 8, Iss 3, Pp 461-470 (2023)
Hydrothermal carbonization is recognized as a method of processing biomass into carbon-rich products due to its energy-saving and environmental-friendly advantages. In this study, two types of hydrochar were prepared from Longan Fruit (Dimocarpus lon
Externí odkaz:
https://doaj.org/article/ddff1e97f4c34fdf97dfe5ace4365329
Autor:
Neza Rahayu Palapa, Nur Ahmad, Hasja Paluta Utami, Zaqiya Artha Zahara, Risfidian Mohadi, Aldes Lesbani
Publikováno v:
Ecological Engineering & Environmental Technology, Vol 24, Iss 5, Pp 275-281 (2023)
In this work, hydrochar using to modified nickel aluminum layered double hydroxide (hydrochar@NiAl LDH). The collected data by XRD indicate that 2θ of material at 11.38°, 22.90°, 35.20°, and 61.60°. The FTIR spectrum of hydrochar@NiAl LDH at wav
Externí odkaz:
https://doaj.org/article/403207a8df084c64b4c3f78359e6ee28
Publikováno v:
Science and Technology Indonesia, Vol 8, Iss 2, Pp 305-311 (2023)
Preparation of layered double hydroxide-lignin (lignin-Zn/Al) carried out by coprecipitation method. The FTIR spectra of lignin-Zn/Al displayed at 3448, 2939, 1620, 1381, 1118, 1041, and 601 cm−1. The characteristic peaks are located at 10.1°, 19.
Externí odkaz:
https://doaj.org/article/18de04159a3a4f2ea9b20d94f3f6a6fe
Autor:
Neza Rahayu Palapa, Nova Yuliasari, Patimah Mega Syah Bahar Nur Siregar, Alfan Wijaya, Amri Amri, Nur Ahmad, Aldes Lesbani
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 1, Pp 37-47 (2023)
In this research, the potential of M2+/Al intercalated chitosan has been evaluated and good ability to reduce dyes in an aqueous solution. M2+/Al intercalated chitosan was prepared by anion exchange method and coprecipitation in a nitrogen atmosphere
Externí odkaz:
https://doaj.org/article/463cd7dc70904c44b164aad3d245c3e2