Article Per Year (5 Year)
p-Index From 2021 - 2026
0.983
P-Index
This Author published in this journals
All Journal Program Kreativitas Mahasiswa - Penelitian Alchemy Jurnal Penelitian Kimia Communications in Science and Technology Jurnal Abdi Masyarakat Indonesia Jurnal Abdimas Kartika Wijayakusuma Empowerment Society
Sayekti Wahyuningsih
Kimia Anorganik Material, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Sebelas Maret
Humanities Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Materials Science & Nanotechnology Public Health Social Sciences Other

Published : 17 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : Communications in Science and Technology

 1 
Rice husk ash-based selective absorbent with imprinted ionic for gold recovery Hastuti, Sri; Fajariani, Ema N.; Candraningrum, Intan K.; Martini, Tri; Wahyuningsih, Sayekti; Aini, Fitri N.
Communications in Science and Technology Vol 9 No 2 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.2.2024.1461

Abstract

The recovery of gold from aqueous solutions is crucial due to its economic value and environmental significance, making effective separation technologies essential. To tackle this challenge, development of an adsorbent with enhanced selectivity and high adsorption capacity against Au(III) is highly crucial. This present study harnessed rice husk derived-silica functionalized by (3-trimethoxysilyl)propyldiethylenetriamine (TMPDT) using imprinted ionic method to form SiO2-TMPDT-Au-Imp, specifically designed for the selective adsorption of Au(III). SiO2-TMPDT-Au-Imp demonstrated a significantly higher adsorption capacity about 387% improvement compared to SiO2-TMPDT, highlighting its superior performance. Furthermore, in addition to exhibit several advantageous characteristics that surpass those of other materials tested, underscoring its effectiveness in Au(III) adsorption. SiO2-TMPDT-Au-Imp displayed notable selectivity in competitive metal ion solutions with the preference order of Au(III)/Fe(III) < Au(III)/Cu(II) < Au(III)/Zn(II). The developed SiO2-TMPDT-Au-Imp, in brief, represents a promising advancement in the field of material science and environmental remediation in which it offers a tailored solution for efficient and selective adsorption of Au(III). This study can also be applied for the recovery of Au(III) ions from electronic waste.
Investigation of hexanal removal through adsorption and photocatalysis on ZIF-7 modified with ZnO, TiO\(_2\), and ZnO/TiO\(_2\) using ATR-FTIR Naufal, Widyan Muhammad; Wahyuningsih, Sayekti; Lestari, Witri Wahyu
Communications in Science and Technology Vol 9 No 2 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.2.2024.1505

Abstract

Zeolitic imidazolate framework (ZIF) is renowned for its high adsorption capacity and frequently adsorbs organic pollutants. However, its high band gap energy has limited its photocatalytic activity, thus necessitating a modification for enhance performance enhancement. This study focuses on developing a ZIF-7 composite material that integrates adsorption and photocatalysis to remove volatile organic compounds (VOCs), particularly hexanal. Modifications were made by incorporating ZnO, TiO2, and ZnO/TiO2 via a solvothermal method using dimethylformamide (DMF). ATR-FTIR analysis was employed to monitor any changes in peak intensity related to the C=O vibrations of hexanal around 1700 cm-1. The results showed that all samples effectively adsorbed hexanal, reducing peak intensity after UV irradiation, and confirming successful photocatalysis. Notably, TiO2@ZIF-7 exhibited the highest photocatalytic performance with 88.06% degradation efficiency. This study confirms that the ATR-FTIR method can be used to monitor the success of adsorption and photocatalysis and shows the potential for developing composite materials to remove VOCs such as hexanal.
Co-Authors Abdul Basith Abu Masykur Aini, Fitri N. Amperawati, Endang Dwi Ari Handono Ramelan Arin Khoirul Hidayah, Arin Khoirul Candra Purnawan Candraningrum, Intan K. Dian Maruto Widjonarko Edi Pramono Eko Sulistiyono, Eko Fajariani, Ema N. Faradilla, Radianita Florentinus Firdiyono Ganjar Fadillah, Ganjar Gracia Dian Sidharta, Gracia Dian Hajar Prasetyo, Hajar Hari Hidayatullah, Hari Indriana Kartini Jati Wulansari, Jati Kusumastuti . Lestar, Witri Wahyu Lestari, Witri Wahyu Melina, Dika Caesar Narsito Narsito Naufal, Widyan Muhammad Raen Finnah, Raen Rahayu Rahayu Rahmat Hidayat Rahmawati, Rahmawati Ratna Wijayanti Daniar Paramita Samsi Samsi Sentot Budi Rahardjo Sentot Budi Raharjo Soerya Dewi Marliyana Solly Aryza Sony Atmojo, Sony Teguh Endah Saraswati Tri Martini Uswatul Chasanah, Uswatul Venny, Venny Wulandari, Resa Yuniawan Hidayat Zetadini, Reza