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Keyword = Waste Management
Journal = Industrial and Domestic Waste Management
Found 11 items.
Open Access
Study of Household Waste Management and Recycling Awareness Between Residential Areas in Kuala Nerang, Kedah, Malaysia
by Husna Abdul Halim, Mohamed Zuhaili Mohamed Najib, Muzaffar Zainal Abideen, Hazlami Fikri Basri, Khalida Muda

Ind. Domest. Waste Manag. 491 views
This paper presents a study on household waste management and recycling awareness. Residential areas are the major sources of solid waste as that is where people live. The waste that is usually disposed of from residential areas includes food waste, plastic waste, paper, glass, tin, and others. The increasing trend in waste generated from homes has become a major concern. This study aimed to assess household waste management and recycling awareness in two residential areas located in Padang Terap District, Kuala Nerang, Kedah, Malaysia. Recently, Padang Terap district showed an increase in waste generated compared to another district, Kedah. An open-ended questionnaire was distributed to approximately 32 respondents, and an interview was conducted to study household waste management and recycling awareness in two residential areas—Taman Jati and Taman Pelangi. The research shows that household waste management to segregate the waste remains a problem, despite most respondents being aware of this issue through different media. Furthermore, the lack of household waste management and recycling programs and facilities by the local authorities caused residents to be reluctant to practice these activities. Full text

Open Access
Operations and Patronage of Private Waste Contractors Initiative of Solid Waste Collection in Ibadan Metropolis, Nigeria
by Peter B Oladeji, Adekunle Benjamin Oyedare, Taiwo Olusegun Ogunwale, Simeon Oyesoji Oyetola, Taofeek Adekola Basiru, Oluwaseun Femi Ogunrinola

Ind. Domest. Waste Manag. 29 views
The Oyo State Solid Waste Management Authority (OYSWMA) hired private waste operators (PWOs) because the government was unable to handle the increasing amounts of solid garbage that were being carelessly deposited in every corner of the metropolis. This study looked at the private garbage contractors' methods of operation, clientele, and difficulties in managing residential solid waste in Ibadan, Nigeria. In the three local government districts of the metropolis, a structured questionnaire was given to 21 private refuse operators and 250 homes. A few measures of service quality were employed to determine the method of operation and customer base. To interpret the gathered data, both descriptive and inferential statistics were employed. The findings showed that the factors that affected residents and operators of SWM the most were educational attainment, monthly income, building types, and occupation (n = 213, 85.2%; 164, 65.6%). Of the houses who enrolled for waste collection, between 201-300 (47.6%) and 100-200 (42.9%) utilized private waste contractors. Although the license specifies once per week, waste collection is inconsistent and typically occurs once every two weeks (52.4%); charges, on the other hand, are variable and exceed the established rates. Undue financial backing from the LGAs, impassable areas, incompatible law, poor advertisement and awareness, political influence, exorbitant leachate treatment fees, and poor health were among the operational issues confronted the private garbage operators. The elements that affect the way the private sector of SWM operates and attracts customers were found to be as follows: non-cooperation of residents (n = 8, 38.1%), poor nearness to buildings (n = 9, 42.9%), and the lax enforcement of hygiene regulations (n = 4, 19.0%). The report suggests that in order to provide residents in Ibadan Metropolis with high-quality services, private refuse operators should regularly monitor and oversee the collection of solid waste. Full text

Open Access
Driving Forces on Household Solid Waste Management Behaviors: A Research for the City of Izmir, Türkiye
by Elif Duyusen Guven, Gorkem Akinci, Dilara Temel

Ind. Domest. Waste Manag. 594 views
The proper solid waste recycling process starts at the houses with the attendance of the individuals. The presented study includes comprehensive research on the individuals’ shopping and waste generation behaviors, awareness of waste management issues, readiness and willingness for source separation, and their self-evaluation and self-annoyance about waste generation. The current study was conducted by administering a detailed questionnaire to 300 people in Zmir, Türkiye's third largest city. The relationships between the answers given and the main factors affecting waste production were determined statistically. Principal component analysis (PCA) identified the key drivers of public behavior associated with waste generation and separation at the source. Through environmental sensitivity, including proper waste management behaviors, age is discovered to be a significant factor. Family phenomena, including stable life and family budgets (32.58%), awareness of people about their inappropriate and disproportionate behaviors towards consumption and waste generation (21.28%), and the impositions of urban life (9.37%) were found to be the major factors influencing waste management habits. Full text

Open Access
Evaluation of Agricultural Waste Management Mechanism in Iran
by Mohammad Reza Zargaran Khouzani, Zahra Dehghani Ghahfarokhi

Ind. Domest. Waste Manag. 278 views
The unfavourable situation of waste management in Iran can be seen in different sectors, and agriculture is not excluded from these sectors. The wastes of the agricultural industry can be used in a beneficial way in various agricultural applications and other industrial processes. However, the cost of collection, processing, and transportation can be much higher than the income from the beneficial use of such waste. Incineration of crop residues creates numerous environmental problems. The most important side effects of burning crop residues include the emission of greenhouse gases that lead to global warming, air pollution, and things like soil degradation, loss of soil fertility, loss of beneficial microorganisms, intensification of soil erosion, etc. In the current research, which is a review based on library sources, the mechanism of agricultural waste management in Iran has been evaluated. There are other consequences of such actions. The criteria for action are laws regarding the burning of product residues in Iran, the most important of which are the Waste Management Law and the Clean Air Law. Among these methods are sustainable management methods for product residues, including compost production, biochar production, and waste management at the production site. Full text

Open Access
Sustainable Technology in Developed Countries: Waste Municipal Management
by Carol Emilly Hoareau, Noraziah Ahmad, Maria Nuid, Rubiyatno, Dao Nguyen Khoi, Risky Ayu Kristanti

Ind. Domest. Waste Manag. 1002 views
As more studies were conducted and global events unfold, a greater emphasis is being placed on the importance of preserving the Earth's natural resources and cycles before we face a catastrophic climate crisis. Thus, developed countries are constantly adapting their policies and legislation to promote green development for the sake of sustainable development, which benefits both the environment and the socioeconomic segment. As populations grow and living standards improve, more waste is generated. Appropriate municipal waste management is necessary to avoid harm to the environment, wildlife, and human health. Sustainable municipal solid waste management is even included in the United Nations' (UN) Sustainable Development Goals, which aim to improve the world's environment and economy. The European Union (EU) member states' waste management systems can be considered exemplary. In some countries, landfills have been prohibited, promoting the use of more sustainable technologies such as organic waste incineration, recycling, and composting. However, a divide exists between member countries, with some lagging behind in terms of waste management strategies. Thus, this paper examined the current state of municipal waste in EU member states, followed by a review of the various disposal technologies implemented. The difficulties and environmental concerns that must be overcome are discussed, as are the recommendations and possible future directions. Full text

Open Access
Malaysia Moving Towards a Sustainability Municipal Waste Management
by Yien Yu Tang, Kuok Ho Daniel Tang, Amit Kumar Maharjan, Azrina Abdul Aziz, Seng Bunrith

Ind. Domest. Waste Manag. 2480 views
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. Full text

Open Access
Scenario of Municipal Waste Management in Malaysia
by Zachary Raphael Liew, Minhaj Uddin Monir, Risky Ayu Kristanti

Ind. Domest. Waste Manag. 854 views
Malaysia has rapidly modernized, with most of the population now residing in cities and the remainder in rural or remote areas. The amount of municipal solid waste generated has increased in tandem with the country's rapid urbanization in response to that statement. Due to a lack of connectivity in rural areas, there may be insufficient infrastructure for a proper waste management system. As a result, illegal waste dumping was common, and landfills' massive volumes of waste may contribute to greenhouse gas emissions. The Malaysian government has responded by taking the necessary steps to upgrade the country's current waste management system in order to better manage municipal solid waste disposal. This research looks at how energy recovery from accumulated waste can be used as a renewable energy source, as well as the current issues, challenges, and proposed solutions. Methane gas produced as a byproduct of waste decomposition in landfills or disposal sites was used to generate electricity more efficiently and sustainably, resulting in a positive economic and environmental outcome. Full text

Open Access
Green Building Practices on Waste Minimization in China Construction Industry
by Bernice Xin Yi Lee, Mohanadoss Ponraj, Hasti Widyasamratri, Jie Wang

Ind. Domest. Waste Manag. 622 views
In China, a common practice for construction waste management is to dispose of it in landfills. A 5% construction waste recycling rate and ongoing insufficient landfilling practice resulted in decreased environmental and socioeconomic well-being. Management hierarchy that starts with rethink, redesign, reduce, reuse, refurbish, recycle, incineration, and finally disposal is a probable strategy to facilitate construction waste minimization in China. The green building concept pursued by China also served as a promising tool in evaluating the performance of Chinese green buildings. Barriers include lack of standard operating procedure in waste minimization, immature recycling technology and an undeveloped recycling market, leading to poor performance in construction waste minimization. Several strategies are proposed to ameliorate the current condition in China's construction sector. Even though results reveal that China falls behind in the engagement of green building compared to developed countries, green materials are utilized in various building structures such as flooring, roofs, walls, and outdoor pavements. Lastly, the benefits and shortcomings of two green material technologies, in particular material selection and recycling, applied in China were reviewed. Full text

Open Access
The Impact of Process Variables on the Quantity and Quality of Biogas Generated from Anaerobic Digestion of Food Waste and Rumen Contents
by Afeez Oladeji Amoo, Sabo Ahmed, Adamu Haruna

Ind. Domest. Waste Manag. 177 views
This research aimed to investigate how combining process variables affects biogas production from anaerobic digestion of food waste and rumen contents. A mixture design was used to evaluate the effects of temperature, pH, agitation frequency, and retention time on biogas quantity and quality. Anaerobic mono-digestion and co-digestion were performed using 2 liter single-stage plastic anaerobic digesters. Cumulative biogas volume and its composition, including carbon dioxide, hydrogen sulphide, moisture, and methane content, were estimated volumetrically. The highest biogas volume and quality were obtained under the following conditions: food waste (0.30 kg), rumen content (0.30 kg), water content (0.40 kg), temperature (34.0° C), pH (9.0), agitation frequency (4 times/day), and retention time (32 days). Combining process variables can significantly impact biogas quantity and quality, and optimal process parameters vary depending on the substrate and operational conditions. Anaerobic digestion can effectively manage organic waste, produce renewable energy, and mitigate greenhouse gases. Full text

Open Access
Health Risk Assessment of Heavy metals, Physicochemical properties and Microbes in Groundwater near Igando Dumpsite in Lagos, Nigeria
by Tajudeen Yahaya, Okeke Chidi, Sani Abdulrahman, Esther Oladele, Abdulrakib Abdulrahim, Yunusa Abdulganiyu, Abdulrazaq Izuafa

Ind. Domest. Waste Manag. 192 views
The most common and cost-effective waste disposal method is the dumpsite; however, leachate from dumpsites may percolate and compromise groundwater sources. This study evaluated the levels of heavy metals (lead, cadmium, chromium, copper, and arsenic), physicochemical parameters (pH, electrical conductivity, total dissolved solids, hardness, calcium, magnesium, and chloride), and microorganisms in borehole water samples obtained at distances of 50, 100, 200, and 400 meters from the Igando dumpsite in Lagos, Nigeria. The health hazards associated with the heavy metals were also calculated. Physicochemical analysis indicated that the water samples were acidic, with pH values ranging from 4.30±0.01 to 5.21±0.008. They contained levels of calcium (166.73±0.01 - 328.66±0.06 mg/l), magnesium (83.72±0.02 - 119.40±0.17 mg/l), hardness (416.01±0.11 mg/l - 820.00±1.63 mg/l), and chloride (20.07±0.02 - 120.90±0.81 mg/l) that exceeded the limits set by the World Health Organization. Heavy metal analysis showed that, in all locations, lead exceeded the permissible limits, cadmium exceeded the limits except for the 400-m location, and copper, chromium, and arsenic (except for the 50-m location) were within permissible limits. The average daily intake and hazard quotient of the heavy metals were both within recommended limits, but the carcinogenic risks of lead, cadmium, and copper in water collected at a distance of ≤100m exceeded the threshold. Microbiological examinations revealed non-permissible levels of bacteria at all locations, coliforms at the 400-m location, and fungi at the 50-m and 400-m locations. On average, the parameters significantly (p<0.05) increased in concentrations as the proximity to the dumpsite decreased. These findings indicate that borehole water is not suitable for drinking without treatment. Full text

Open Access
Managing Household Waste Through Transfer Learning
by Suman Kunwar

Ind. Domest. Waste Manag. 241 views
As the world continues to face the challenges of climate change, it is crucial to consider the environmental impact of the technologies we use. In this study, we investigate the performance and computational carbon emissions of various transfer learning models for garbage classification. We examine the MobileNet, ResNet50, ResNet101, and EfficientNetV2S and EfficientNetV2M models. Our findings indicate that the EfficientNetV2 family achieves the highest accuracy, recall, f1-score, and IoU values. However, the EfficientNetV2M model requires more time and produces higher carbon emissions. ResNet50 outperforms ResNet110 in terms of accuracy, recall, f1-score, and IoU, but it has a larger carbon footprint. We conclude that EfficientNetV2S is the most sustainable and accurate model with 96.41% accuracy. Our research highlights the significance of considering the ecological impact of machine learning models in garbage classification.  Full text

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