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All Journal Tropical Aquatic and Soil Pollution Industrial and Domestic Waste Management
Bunrith, Seng
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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Journal : industrial and domestic waste management

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Municipal Wastewater Treatment Technologies in Malaysia: A Short Review Kristanti, Risky Ayu; Bunrith, Seng; Kumar, Ravinder; Mohamed, Abdelrahim Omar
Industrial and Domestic Waste Management Volume 3 - Issue 1 - 2023
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/idwm.v3i1.243

Abstract

The aim of this study was to evaluate different municipal wastewater treatment technologies for commercial use and develop an optimized system for a case study plant and future plant designs. Municipal wastewater, classified as a low-strength waste stream, can be treated using aerobic and anaerobic reactor systems or a combination of both. Aerobic systems are suitable for low-strength wastewaters, while anaerobic systems are suitable for high-strength wastewaters. Malaysia has actively implemented various wastewater treatment technologies to address the increasing demand for clean water and reduce environmental pollution. Some commonly used technologies in Malaysia include Activated Sludge Process (ASP), Membrane Bioreactor (MBR), and Moving Bed Biofilm Reactor (MBBR). These technologies show promise in removing emerging pollutants, such as pharmaceuticals and personal care products, which are not effectively eliminated by conventional treatment methods. Additionally, Malaysia could consider investing in renewable energy sources like solar and wind to power wastewater treatment plants, thereby reducing reliance on non-renewable energy and supporting sustainable development. It is also important to emphasize continued public awareness and education initiatives to promote responsible wastewater disposal practices and environmental stewardship.
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.
Co-Authors Abdul Aziz, Azrina AlMunqedhi, Bandar M. Cao, Linh Thi Thuy Chen, Tse-Wei Darwish, Noura M. Demir, Muslum Kumar, Ravinder Maharjan, Amit Kumar Maragathavalli, S. Mohamed, Abdelrahim Omar Navarro, Ariela Rose Nordin, Ahmad Rizal Roslan Retno Wulandari Reyes, Juan Carlos Risky Ayu Kristanti Salman, Mohamad Tang, Kuok Ho Daniel Tang, Yien Yu Tony Hadibarata, Tony