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All Journal Jurnal Studi Guru dan Pembelajaran Science Education and Application Journal
indri susanti
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Chemistry Computer Science & IT Education Energy

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POLYSULFONE MEMBRANE WITH ZEOLITE FILLER FOR CO2/CH4 GAS SEPARATION: A REVIEW Susanti, Indri
Science Education and Application Journal Vol 1 No 1 (2019): Science Education and Application Journal
Publisher : Program Studi Pendidikan IPA, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/seaj.v1i1.93

Abstract

Membrane technology for gas separation applications are limited by a "trade-off" curve between permeability and selectivity. It show that permeability is high, selectivity obtained is low. This problem can be solved by preparation of Mixed-Matrix Membrane (MMMs) which can increase the value of permeability and selectivity. The MMMs with polysulfone polymers and zeolite fillers is more corresponding for gas separation. Addition of zeolite filler to polysulfone polymer in MMMs can improve the CO2 separation performance. In this review, mechanism of gas separation in MMMs was carried out in the application of CO2/CH4 gas separation. In addition, the effect of addition, size and pore of zeolite filler in MMMs for binary gas separation were also discussed in this review.
Technologies and Materials for Carbon Dioxide Capture Susanti, Indri
Science Education and Application Journal Vol 1 No 2 (2019): Science Education and Application Journal
Publisher : Program Studi Pendidikan IPA, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/seaj.v1i2.147

Abstract

This paper was aims to review the technologies and materials for CO2 capture. Carbon dioxide is one of the triggers for the greenhouse effect and global warming. Some methods to reduce CO2 are separation technologies include air capture, CO2 Capture Utilization and Storage (CCUS) and CO2 Capture and Storage (CCS) technology. CCS technology have several systems namely post-combution, pre-combustion and oxy-fuel combustion. Post-combution systems can be done in various systems including absorption, adsorption, membrane, and cryogenic. Adsorption proses for CO2 capture applied with porous material such us mesopore silica, zeolite, carbon, MOF dan COF. This review was described the advantages and disadvantages of each technology for CO2 capture. Materials for CO2 adsorption also descibed in this review.
The Effectiveness of Contextual Learning with the Small Group Discussion Method to Improve Students Critical Thinking Skills Indahyana, Noverly; Susanti, Indri; Mahbubah, Khoiro
Jurnal Studi Guru dan Pembelajaran Vol. 7 No. 2 (2024): Mei - Agustus 2024
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/jsgp.7.2.2024.4338

Abstract

Learning in schools generally still uses conventional learning models or methods that focus on the teacher. This causes students to be less trained in critical thinking. This study aims to determine the effectiveness of implementing contextual learning with small group discussion methods to improve students critical thinking skills on environmental pollution material. The study was carried out on class X vocational students in Lamongan. This research began by conducting observations and interviews at one of the vocational schools in Lamongan Regency. The findings from the observations and interviews indicated that students have poor critical thinking skills, as traditional teaching models and methods are still being utilizedThis study employed a pre-experimental design featuring a one-group pre-test and post-test approach, with the sample selected through purposive sampling. The data in this research was obtained using the results of the pre-test and post-test given to students. A pre-test is given to students before the learning treatment is carried out using a contextual model with a small group discussion method. Post tests were given to students after learning treatment using a contextual model with small group discussion methods. The research result were analyzed using paired samples t-test and N-gain test. The results obtained from the paired sample t-test were 0.000 which showed a significant effect between learning using the contextual model with the small group discussion method to improve students critical thinking skills and was strengthened by the N-gain test for Office Management class 1 of 0.75 and the value of N-the gain of Office Management class 2 is 0.74, the N-gain value is both in the high category. So the application of contextual learning with small group discussion methods can improve students critical thinking skills.
Co-Authors Arofatun Nisa’u Shonia Indahyana, Noverly KIKI SEPTARIA Mahbubah, Khoiro Nurlayli Santi Aprilia