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All Journal Jurnal Abdi Insani Indonesian Journal of Chemical Science and Technology
Rini Selly
Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics

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Removal of Heavy Metal Copper (Cu) Ions from Wastewaters Using Various Bio-adsorbents Khairunnisa Khairunnisa; Siti Rahmah; Rini Selly; Jasmidi Jasmidi; Hafni Indriati Nasution; Moondra Zubir
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 5, No 2 (2022): JULI 2022
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v5i2.37447

Abstract

Biosorbent derived from agricultural waste as one of the widely used adsorbents has many applications in the environment to remove pollutants, one of which is heavy metal copper (Cu). In this paper, natural sources of agricultural waste materials have been reviewed and have potential as biosorbents for the absorption of heavy metal copper (Cu). The characteristics of the biosorbent that can be used for the absorption of heavy metal copper (Cu) depend on the surface area and pore structure made by the modified method. The biosorbent modification method depends on the precursor and the expected biosorbent characteristics. Natural biosorbents can be converted into modified biosorbents by chemical, physical, or physico-chemical modifications. Therefore, this paper aims to provide information about the absorption of adsorbents from agricultural wastes that have been reported for the absorption of heavy metal copper (Cu) in wastewater
PENGENALAN PRAKTIKUM SAINS DARI BAHAN YANG ADA DI SEKITAR SEBAGAI SUMBER PEMBELAJARAN DARING BAGI GURU SMP NURUL FADHILAH Sri Adelia Sari; Zainuddin Muchtar; Rini Selly; Siti Rahmah; Jasmidi Jasmidi; Moondra Zubir; Putri Faradilla; Dwy Puspita Sari
Jurnal Abdi Insani Vol 10 No 3 (2023): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v10i3.1015

Abstract

This community service activity focuses on dealing with partner problems, namely junior high school teachers at YP Nurul Fadhilah. The problems faced are the lack of application of material-based practicum around and teachers’ lack of knowledge and skills regarding making practicum innovations a source of online learning. A teacher is required to be able to adapt to the development of science and technology during the industrial revolution 4.0, therefore additional activities are needed to make this happen. This activity aims to increase teacher knowledge and skills in applying material-based practicum around to become an online learning resource. The method used consists of 4 stages, namely: Socialization of the introduction of practicum from nearby materials, training on making practicum into an online learning resource and assistance in the implementation of making online learning resources and evaluating results. Executors provide tools and materials, while partners prepare laptops for application training. The results obtained from this activity were that the teachers experienced improvements both in terms of knowledge and skills. Quantitatively, the teacher's ability regarding practical knowledge from surrounding materials to online learning materials increased for science teachers with an average score of 83.3 and non-science teachers with an average score of 66.43. In addition to increasing knowledge and skills, partners also produce products, namely online learning resources in the form of videos. In general, partners have produced products in good condition. Conclusion: This PKM activity increases partners' knowledge of using local materials. This activity also adds to teachers' skills in creating online learning resources.
Co-Authors Hafni Indriati Nasution Jasmidi Jasmidi Khairunnisa Khairunnisa Moondra Zubir Putri Faradilla Sari, Dwy Puspita Siti Rahmah Sri Adelia Sari Zainuddin Muchtar