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All Journal Indonesian Journal of Science and Technology ASEAN Journal of Science and Engineering Education (AJSEE)
Muhammad Roil Bilad
Universiti Teknologi PETRONAS
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Education Engineering Environmental Science Materials Science & Nanotechnology Other

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Portfolio Workbook as an Effective Method for Student-Centered Learning of Chemical Engineering Principles Muhammad Roil Bilad; Saiful Prayogi
ASEAN Journal of Science and Engineering Education Vol 1, No 1 (2021): AJSEE: March 2021
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (779.952 KB) | DOI: 10.17509/ajsee.v1i1.32404

Abstract

Principles of Chemical Engineering (PCE) course is a core and highly important subject to study Chemical Engineering program that caters most fundamental concepts that bridge science to engineering. This study assess the effectiveness of portfolio workbook as a strategy to enhance student active learning in PCE. It was implemented for a full-semester and the student feedbacks on perceptions and implementation of the method was obtained after the course was completed. Results show that most participant agreed on the imposing mark on the workbook to enhance their study motivation. Vast majority of the students (82%) admit that the workbook significantly helped them in mastering the subject, thus recommended the method for other subjects (85%). The workbook as well as the method implementation can further be improved by providing short-answer as well as more intense scaffolding.
Performance and Energy Consumption Evaluation of Rotating Biological Contactor for Domestic Wastewater Treatment Sharjeel Waqas; Muhammad Roil Bilad; Zakaria B Man
Indonesian Journal of Science and Technology Vol 6, No 1 (2021): IJOST: VOLUME 6, ISSUE 1, April 2021
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v6i1.31524

Abstract

Biological processes are extensively used for wastewater treatment because of low organic footprint, economically feasible, and high treatment efficiency. Rotating biological contactors (RBC), an attached growth biological process offers advantage of low operating cost, simple configuration and structure, reduced bionomical footprint and thus has been extensively employed for organics and nitrogen removal. In this study, RBC was used for the treatment of synthetic domestic wastewater operating at high hydraulic and organic loading rate to demonstrate the biological performance. The results showed that the RBC achieved a treatment efficiency for COD, ammonium, TN and turbidity of 70.2%, 95.2%, 70%, and 78.9 %, respectively. The efficient nitrogen removal and increased nitrate concentration signify the presence of nitrifying bacteria which actively degrade the nitrogen compounds through the nitrification process. Thus, this system is a sound alternative for both domestic and industrial wastewater treatment for decentralized applications.
Co-Authors Prayogi, Saiful Sharjeel Waqas Zakaria B Man