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All Journal Environmental and Toxicology Management (ETM) Tropical Aquatic and Soil Pollution Industrial and Domestic Waste Management Acta Pedagogia Asiana
Tang, Kuok Ho Daniel
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Public Health Other

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Gamification to Improve Participation in an Environmental Science Course: An Educator’s Reflection Tang, Kuok Ho Daniel
Acta Pedagogia Asiana Volume 2 - Issue 2 - 2023
Publisher : Tecno Scientifica Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/apga.v2i2.192

Abstract

Reticence prevalent among East Asian students has prompted educators to attempt different methods to engage them. Gamification of courses has gained popularity as an avenue to encourage students’ participation, and it is facilitated by the roll-out of diverse online gamification platforms. This study aims to reflect on an educator’s experience of incorporating elements of gamification in an environmental science course delivered in a micro-campus established through a Sino-American educational collaboration. Gibb’s Reflective Cycle was adopted to guide the reflection practice. Gamification was implemented with three online interactive platforms, namely Poll Everywhere, Kahoot, and Quizizz. Poll Everywhere was mainly used for short polls and activities during lessons, while Kahoot and Quizizz were used for quiz-like competitions whose scores did not contribute to students’ grades. Kahoot created a lively atmosphere in class but was constrained by limits on players’ numbers, internet control, and the lag between sending and receiving responses. Quizizz had more game elements, which thrilled individual players but was less able to create the lively classroom the educator desired. It was more stable, perhaps because it was less subjected to internet control. Poll Everywhere had a less attractive scoreboard and was more appropriate for short classroom activities. Students' interest in the platforms tended to wane with each repeated use of the platforms. To improve the gamification experience, a mix of platforms could be used, and locally developed platforms could be sourced for stability and diversification.
Student-centered Approach in Teaching and Learning: What Does It Really Mean? Tang, Kuok Ho Daniel
Acta Pedagogia Asiana Volume 2 - Issue 2 - 2023
Publisher : Tecno Scientifica Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/apga.v2i2.218

Abstract

Student-centered approach has been the center of attention in teaching and learning as the emphasis to shift away from teacher-centered approach is growing. While the term has been widely used, it remains unclear how it can be effectively operationalized given the continuum nature of teacher-centered and student-centered approaches. This article examines 34 articles and included a thematic analysis of their contents to systematically present the methods to operationalize student-centered approach. A channel to practice student-centered approach is project-based learning where students work on projects, such as community and design projects, and are expected to manage the projects or at least propose actions or solutions. Problem-based learning is a variant of project-based learning and students often work on scenarios, cases, questions, or problems which are less extensive than projects. Problem-solving usually precedes lectures to promote self-directed learning and facilitate scaffolding. An argument-based curriculum incorporates arguments and debates that engage students in the self-discovery of different perspectives on a given topic. Student-centered approach is closely linked to the use of technology for research, interactions, gamification, simulations, and feedback. Student-centered feedback prompts active learning through deliberate feedback while adaptive teaching involves students in content-building. This review contributes to the enhancement of student-centered elements in teaching and learning.
Malaysia Moving Towards a Sustainability Municipal Waste Management Tang, Yien Yu; Tang, Kuok Ho Daniel; Maharjan, Amit Kumar; Abdul Aziz, Azrina; Bunrith, Seng
Industrial and Domestic Waste Management Volume 1 - Issue 1 - 2021
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (490.167 KB) | DOI: 10.53623/idwm.v1i1.51

Abstract

The elevation of waste generation subsequent to population growth has become a severe environmental topic in Malaysia. Since most of the waste is being dumped into a landfill, the open dumpsite, or unsanitary landfills which are not constructed with proper engineering plan, severe impacts on the environment result. The energy demand in Malaysia increased with the growing population, but reliance on fossil fuels to generate electricity has created another greenhouse gas contributor. Alternatively, waste-to-energy technology solves the problem of increasing waste by converting the waste to a renewable energy source. Malaysia has moved towards landfill gas recovery system and incineration for waste energy recovery. The recovery system and refuse-derived fuel plant achieved expectation; however, the incineration plants have failed due to the opposition of the public, lack of funding and technician expertise, and other technical issues. The solid waste management practices lacking separation and recycling sources, become an obstacle for development. The government puts effort into solving the current issue by promoting recycling in the public, enforcing the legislation, and approaching new technologies for better solid waste management practice in the future. This paper aims to discuss the application of energy recovery from municipal solid waste in Malaysia.
Removal of Cresol Red by Adsorption Using Wastepaper Salman, Mohamad; Demir, Muslum; Tang, Kuok Ho Daniel; Cao, Linh Thi Thuy; Bunrith, Seng; Chen, Tse-Wei; Darwish, Noura M.; AlMunqedhi, Bandar M.; Hadibarata, Tony
Industrial and Domestic Waste Management Volume 2 - Issue 1 - 2022
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (459.596 KB) | DOI: 10.53623/idwm.v2i1.63

Abstract

The utilization of less expensive and more effective adsorbents derived from a variety of basic materials has been investigated. The research aimed to investigate the feasibility of employing waste paper as the adsorbent to remove the cresol red (CR) dye from wastewater through adsorption mechanism. Langmuir, Jovanovic, and Freundlich model were observed for isotherms models, while pseudo-first-order and pseudo-second-order were examined for kinetic models. The results indicated that increasing the adsorbent dose and contact time gave no significant effect to adsorption capacity while adsorption capacity increased with the increasing of pH until it reached a maximum at pH 8, and raising the starting dye concentration leads in a significant increase in adsorption capacity (16.7 mg/g). When the experimental adsorption isotherms and kinetic were fitted using the Freundlich models and pseudo-second-order model, it was discovered that those models were more accurately represented by the data, as indicated by a high correlation coefficient (R2) of 0.974 and 0.963.
Medical Waste during COVID-19 Pandemic: Its Types, Abundance, Impacts and Implications Tang, Kuok Ho Daniel
Industrial and Domestic Waste Management Volume 2 - Issue 2 - 2022
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/idwm.v2i2.117

Abstract

COVID-19 has resulted in an abrupt and significant increase in medical waste, albeit with improving air and water quality in certain regions. This paper aims to review the types, abundance, and impacts of COVID-19-related medical waste through examining the contents of 54 peer-reviewed scholarly papers. COVID-19-related medical waste compositions vary over time, with COVID-19 screening, diagnostic, and treatment wastes, as well as used personal protective equipment (PPE), constituting the majority of medical waste at the start, followed by vaccination waste during the peak of vaccination. COVID-19-related medical waste is expected to decrease and steady as more and more countries relax restrictions in an attempt to live with COVID-19. Geographically, the amount of COVID-19-related medical waste depends on population size, with highly-populated countries and cities such as China, Manila, Jakarta, and Bangkok seeing or expected to see a hike in the waste of between 210 tonnes/day and 280 tonnes/day during COVID-19. Packaging of the medical and PPE items forming the medical waste stream also contributes to a substantial amount of waste. As plastics are a major component of medical waste, the increase in COVID-19-related medical waste and its mismanagement have worsened environmental pollution caused by plastics. The surge of medical waste during COVID-19 strained the existing medical waste disposal systems, and incineration of the waste contributed to air pollution, which was often localized. Mismanagement of the waste could also raise public health concerns and cause visual repercussions.
Co-Authors Abdul Aziz, Azrina AlMunqedhi, Bandar M. Bunrith, Seng Cao, Linh Thi Thuy Chen, Tse-Wei Darwish, Noura M. Demir, Muslum Luo, Yuxin Maharjan, Amit Kumar Salman, Mohamad Tang, Yien Yu Tony Hadibarata, Tony