Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Yatim Lailun, Ni'mah"'
Publikováno v:
South African Journal of Chemical Engineering, Vol 51, Iss , Pp 170-179 (2025)
The aim of this study was to predict ash and water contents in coal samples using machine learning regression techniques, specifically LassoCV, RidgeCV, ElasticNetCV and LassoLarsCV. The analysis focused on finding non-zero coefficients at specific w
Externí odkaz:
https://doaj.org/article/27dee61ecfea44e9b7b38166dfb78bca
Publikováno v:
South African Journal of Chemical Engineering, Vol 48, Iss , Pp 55-62 (2024)
Recent research has reported on the extraction and synthesis of silica gels from a waste glass of chemicals. This study aims to optimize silica gel synthesized from chemical glass waste as heavy metal adsorbent Cu2+. Silica gel adsorbent has been suc
Externí odkaz:
https://doaj.org/article/f8f6550c72ab4e60b6775e98fc5c84ca
Publikováno v:
South African Journal of Chemical Engineering, Vol 47, Iss , Pp 111-122 (2024)
Industrial activities generate a significant problem in the form of dye waste, which contributes to environmental pollution, particularly water pollution. Improper disposal of untreated dye waste can lead to detrimental effects on ecosystems, the env
Externí odkaz:
https://doaj.org/article/4c3d9435092e4ca7b8a685618cfbe3ff
Publikováno v:
Indonesian Journal of Chemical Analysis, Vol 7, Iss 1 (2024)
Identification of acetic acid-ethanol mixtures using a commercial gas sensor array equipped with ensemble regression has been carried out. The gas sensor analysis was simple, rapid, and fast since it did not require any sample preparation. A quantita
Externí odkaz:
https://doaj.org/article/b6d407f7a4834f768d9baa38d0718d2b
Publikováno v:
Indonesian Journal of Chemical Analysis, Vol 7, Iss 1 (2024)
In this study, the adsorption of Remazol Blue and Indigosol Yellow using Bidara Arab leaves (Ziziphus spina-christi) as adsorbents was investigated through batch adsorption. The experimental parameters included contact time, adsorbent mass, initial c
Externí odkaz:
https://doaj.org/article/b58acd3f10d64215a73da5aceb7102cb
Publikováno v:
Indonesian Journal of Chemical Analysis, Vol 6, Iss 2 (2023)
This study presents a direct multicomponent analysis method using UV-Vis spectrophotometry to determine Cu(II), Fe(III), and Ni(II) ion content without prior complexation or separation. Single and multivariate regression was used to predict metal ion
Externí odkaz:
https://doaj.org/article/785d466b49184ff1b7c8715af0fa8f24
Autor:
Yatim Lailun Ni'mah, Suprapto Suprapto, Ayu Perdana K. Subandi, Nabila Eka Yuningsih, Anggun Cahyaning Pertiwi
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 5, Pp 104713- (2023)
Externí odkaz:
https://doaj.org/article/89d906dfcb6f48ec979b95468032f0e5
Publikováno v:
Heliyon, Vol 8, Iss 12, Pp e11997- (2022)
The application of silica gel adsorbent synthesized from chemical bottle waste to remove zinc ions in the solution has been carried out. The synthesis of silica gel was carried out using alkaline fusion followed by sol-gel reactions. The chemical gla
Externí odkaz:
https://doaj.org/article/1522b1f5b2134bafb8e6cf8cd4226763
Autor:
Yatim Lailun Ni'mah, Suprapto Suprapto, Ayu Perdana K. Subandi, Nabila Eka Yuningsih, Anggun Cahyaning Pertiwi
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 12, Pp 104329- (2022)
To reduce the amount of hazardous chemical bottle waste in the environment, we report the optimization research of silica extraction in chemical bottle waste into silica gel. Alkali fusion and sol–gel process were utilised to prepare silica gel eff
Externí odkaz:
https://doaj.org/article/4330458f2c604f7f93bb866bb6c6b0c5
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