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A Sustainable Indoor Air Quality Monitoring Approach through Potable Living Wall for Closed Confined Spaces: A Way Forward to Fight Covid19 Tabbasum, Faiza; Shah, Syed Muzzamil Hussain; Teo, Fang Yenn; Mustaffa, Zahiraniza; Aleem, Muhammad Faique; Khan, Hammad Ahmed; Tariq, Shehroz; Haseeb, Abdul; Hamza, Syed Mohammad; Alam, Noman
Journal of Sustainability Perspectives Vol 3, No 1: June 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2023.15779

The COVID-19 pandemic has greatly influenced various aspects of life, part of which has consequently paved the way toward improvements in building design criteria, especially for closed confined spaces. The closed confined spaces are directly proportional to the quantity and quality of the volatile organic compounds (VOCs) present in the atmosphere, from which human beings breathe. In managing the impact produced by VOCs, a practical, sustainable, economical and environmentally friendly concept of indoor living walls has become a prominent feature for improving the indoor air quality (IAQ) of closed confined spaces to efficiently reduce sick building syndrome (SBS) factors. In modification of common practice of ventilation systems, living wall technology leverages the natural ability of plants to purify indoor air quality by reducing air pollutants and allows the recycling of indoor air and the creation of a productive and inspiring environment. In this paper, the concept of a portable living wall through the use of a native plant species locally available in Sindh, Pakistan is introduced. Herein, the portable living concept was assessed by means of the design, construction, and data collection (testing and monitoring) of various environmental parameters carried out before and after the installation of the living wall. The study was monitored for 90 days, and analyses for various types of air pollutants were carried out in the environmental laboratory. During the monitoring period, the parameters humidity, VOCs, hazardous chemicals of concern (HCOC), CO2 and CO showed reductions in their values, with changes observed ranging from 61.5 to 58%, 0.66 to 0.01 ppm, 0.2 to 0.01 ppm, 1070 to 528 ppm and 0.2 to 0.01 ppm, respectively. The outcomes showed noticeable changes in air pollutants coupled with reductions in heating, ventilation and air conditioning (HVAC) energy consumption by up to 25%, mainly due to limited air requirements for ventilation.

A Sustainable Indoor Air Quality Monitoring Approach through Potable Living Wall for Closed Confined Spaces: A Way Forward to Fight Covid19 Tabbasum, Faiza; Shah, Syed Muzzamil Hussain; Teo, Fang Yenn; Mustaffa, Zahiraniza; Aleem, Muhammad Faique; Khan, Hammad Ahmed; Tariq, Shehroz; Haseeb, Abdul; Hamza, Syed Mohammad; Alam, Noman
Journal of Sustainability Perspectives Vol 3, No 1: June 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2023.15779

The COVID-19 pandemic has greatly influenced various aspects of life, part of which has consequently paved the way toward improvements in building design criteria, especially for closed confined spaces. The closed confined spaces are directly proportional to the quantity and quality of the volatile organic compounds (VOCs) present in the atmosphere, from which human beings breathe. In managing the impact produced by VOCs, a practical, sustainable, economical and environmentally friendly concept of indoor living walls has become a prominent feature for improving the indoor air quality (IAQ) of closed confined spaces to efficiently reduce sick building syndrome (SBS) factors. In modification of common practice of ventilation systems, living wall technology leverages the natural ability of plants to purify indoor air quality by reducing air pollutants and allows the recycling of indoor air and the creation of a productive and inspiring environment. In this paper, the concept of a portable living wall through the use of a native plant species locally available in Sindh, Pakistan is introduced. Herein, the portable living concept was assessed by means of the design, construction, and data collection (testing and monitoring) of various environmental parameters carried out before and after the installation of the living wall. The study was monitored for 90 days, and analyses for various types of air pollutants were carried out in the environmental laboratory. During the monitoring period, the parameters humidity, VOCs, hazardous chemicals of concern (HCOC), CO2 and CO showed reductions in their values, with changes observed ranging from 61.5 to 58%, 0.66 to 0.01 ppm, 0.2 to 0.01 ppm, 1070 to 528 ppm and 0.2 to 0.01 ppm, respectively. The outcomes showed noticeable changes in air pollutants coupled with reductions in heating, ventilation and air conditioning (HVAC) energy consumption by up to 25%, mainly due to limited air requirements for ventilation.

Qualitative Assessment of Domestic Water Supply in the Major Districts of Karachi City for a Sustainable Urban Water Quality Management Qureshi, Haris Uddin; Abbas, Ibrahim; Shah, Syed Muzzamil Hussain; Kandhro, Muhammad Asim; Teo, Fang Yenn
Journal of Sustainability Perspectives Vol 5, No 1: June 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2025.23837

The rising population, changing climate patterns and land use changes have emerged to be a serious consequence for the freshwater resources across the globe. Apart from water quantity, the water quality also holds a significant importance for the human health and the overall ecosystem. Due to the high population growth, massive migrations, and greater anthropogenic activities, the urban centers of the developing and underdeveloped countries are highly susceptible to water quality deterioration and waterborne diseases. Therefore, this study was conducted to assess the water quality of domestic water supply in the three (03) major and highly populated districts of Karachi city of Pakistan including District Central, South, and East, receiving water from Keenjhar Lake via COD treatment plant. The physical test results showed higher turbidity levels (6.33 NTU) in Dhoraji (District East), 5.9 NTU in Boat Basin (District South), and 7.58 NTU in COD influent. Chemically, all samples showed satisfactory results as per the WHO guidelines. However, the biological water quality analysis showed significant presence of bacterial content (E-Coli and Total Coliform) in all collected samples. Conclusively, the treatment efficiency of COD treatment plant was found to be satisfactory and the contamination was mainly found due to the sewage and fecal mixing, presence of mud and silt in conduits, and leakage of sewage from the waste water pipes into the domestic water supply. The presence of harmful biological contaminants found in water is alarming, as it may consequentially lead to Diarrhea, vomiting, Typhoid, Cholera, and Jaundice. Thus, the research outcomes clearly unearthed the existing water quality of the mega city and would significantly serve to formulate well-integrated and holistic source water protection practices and to take effective measures for sustainable water quality management.

Qualitative Assessment of Domestic Water Supply in the Major Districts of Karachi City for a Sustainable Urban Water Quality Management Qureshi, Haris Uddin; Abbas, Ibrahim; Shah, Syed Muzzamil Hussain; Kandhro, Muhammad Asim; Teo, Fang Yenn
Journal of Sustainability Perspectives Vol 5, No 1: June 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsp.2025.23837

The rising population, changing climate patterns and land use changes have emerged to be a serious consequence for the freshwater resources across the globe. Apart from water quantity, the water quality also holds a significant importance for the human health and the overall ecosystem. Due to the high population growth, massive migrations, and greater anthropogenic activities, the urban centers of the developing and underdeveloped countries are highly susceptible to water quality deterioration and waterborne diseases. Therefore, this study was conducted to assess the water quality of domestic water supply in the three (03) major and highly populated districts of Karachi city of Pakistan including District Central, South, and East, receiving water from Keenjhar Lake via COD treatment plant. The physical test results showed higher turbidity levels (6.33 NTU) in Dhoraji (District East), 5.9 NTU in Boat Basin (District South), and 7.58 NTU in COD influent. Chemically, all samples showed satisfactory results as per the WHO guidelines. However, the biological water quality analysis showed significant presence of bacterial content (E-Coli and Total Coliform) in all collected samples. Conclusively, the treatment efficiency of COD treatment plant was found to be satisfactory and the contamination was mainly found due to the sewage and fecal mixing, presence of mud and silt in conduits, and leakage of sewage from the waste water pipes into the domestic water supply. The presence of harmful biological contaminants found in water is alarming, as it may consequentially lead to Diarrhea, vomiting, Typhoid, Cholera, and Jaundice. Thus, the research outcomes clearly unearthed the existing water quality of the mega city and would significantly serve to formulate well-integrated and holistic source water protection practices and to take effective measures for sustainable water quality management.

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