scholarly journals Effectiveness of Anaerobic Technologies in the Treatment of Landfill Leachate

2020 ◽  
Author(s):  
Imran Ahmad ◽  
Norhayati Abdullah ◽  
Shreeshivadasan Chelliapan ◽  
Ali Yuzir ◽  
Iwamoto Koji ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Waste Management ◽  
Solid Waste ◽  
Landfill Leachate ◽  
Solid Waste Management ◽  
Anaerobic Treatment ◽  
Uasb Reactor ◽  
Leachate Treatment ◽  
Anaerobic Wastewater Treatment ◽  
Negative Impacts

Improper Solid Waste Management leads to the generation of landfill leachate at the landfills. To reduce the negative impacts of highly toxic and recalcitrant leachate on the environment, several techniques have been used. A lot of research is conducted to find suitable methods for the treatment of landfill leachate such as biological processes, chemical oxidation processes, coagulation, flocculation, chemical precipitation, and membrane procedures. The biological process is still being used widely for the treatment of leachate. The current system of leachate treatment consists of various unit processes which require larger area, energy and cost. In addition, the current aerobic treatment is not able to treat entirely the pollutants which require further treatment of the leachate. Anaerobic wastewater treatment has gained considerable attention among researchers and sanitary engineers primarily due to its economic advantages over conventional aerobic methods. The major advantages of anaerobic wastewater treatment in comparison to aerobic methods are: (a) the lack of aeration, which decreases costs and energy requirements; and (b) simple maintenance and control, which eliminates the need for skilled operators and manufacturers. Several anaerobic processes have been used for leachate treatment such as up-flow anaerobic sludge blanket (UASB) reactor, anaerobic filter, hybrid bed reactor, anaerobic sequencing batch reactor and Anaerobic baffled reactor. The following chapter provides an insight to the solid waste management at the landfills, generation of leachate and details of some of the highly efficient anaerobic treatment systems that are used for the overall treatment of landfill leachate.

An overview of municipal solid waste management and landfill leachate treatment: Malaysia and Asian perspectives

2017 ◽  
Vol 24 (35) ◽  
pp. 26988-27020 ◽  
Author(s):  
Mohamad Anuar Kamaruddin ◽  
Mohd Suffian Yusoff ◽  
Lo Ming Rui ◽  
Awatif Md Isa ◽  
Mohd Hafiz Zawawi ◽  
...  
Keyword(s):  
Waste Management ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Landfill Leachate ◽  
Solid Waste Management ◽  
Municipal Solid Waste Management ◽  
Leachate Treatment

scholarly journals Development of an Ex-Ante Sustainability Assessment Methodology for Municipal Solid Waste Management Innovations

2018 ◽  
Vol 10 (9) ◽  
pp. 3208 ◽  
Author(s):  
Jing Wang ◽  
Stephanie Maier ◽  
Rafael Horn ◽  
Robert Holländer ◽  
Ralf Aschemann
Keyword(s):  
Waste Management ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Sustainability Assessment ◽  
Solid Waste Management ◽  
Optimal Solution ◽  
Municipal Solid Waste Management ◽  
Economic Dimension ◽  
Ex Post ◽  
Negative Impacts

Various municipal solid waste management (MSWM) innovations have emerged in developing countries in face of the challenges posed by increasing waste generation and poor MSWM practice. We present a methodology to assess the potential sustainability impact of MSWM innovations in a holistic manner. The Life Cycle Sustainability Analysis (LCSA) framework and the United Nations (UN) sustainable development goals (SDGs) facilitated the methodology development. The result of applying the methodology to the case of waste bank (WB) in Bandung City shows that WB potentially generates the greatest sustainability impact in the resource recovery phase and the smallest impact in the collection and final disposal phase. All negative impacts could arise in the economic dimension. Surprisingly, WB as a national strategy to achieve 3Rs would not effectively solve Bandung City’s landfill problem. Almost all SDGs would benefit from the WB program under the assumed conditions. This methodology will facilitate the decision-making in MSWM by (1) comparing available innovations to find the optimal solution, (2) identifying the hot spots and taking measures to combat the negative impacts, (3) providing the basis for monitoring the implementation process and the ex-post performance assessment.

scholarly journals Effectiveness analysis of the ITM environmental programs: saving and efficient use of electric energy and water, and comprehensive solid waste management. A case study

DYNA ◽  
2018 ◽  
Vol 85 (207) ◽  
pp. 36-43
Author(s):  
Carlos Esteban Aristizabal-Alzate ◽  
José Luís González Manosalva
Keyword(s):  
Waste Management ◽  
Solid Waste ◽  
Solid Waste Management ◽  
Electric Energy ◽  
Management Program ◽  
University System ◽  
Environmental Programs ◽  
Iso 14040 ◽  
Negative Impacts

Universities are complex organizations, so when implementing an EMS and adopting strategies, methodologies and programs they must involve the entire university system to minimize the negative impacts on the environment and, thus, lead the search for sustainable or carbon neutral organizations. Carbon Footprint was used as an indicator to measure the sustainability effectiveness of the environmental programs implemented and promoted by the EMS-ITM and how they mitigate the emission of GHGs. The calculation of this indicator was developed following ISO 14040-14044 and ISO 14064, for the ITM-Robledo campus and for the period 2015-2017. The results show the relevance and the reduction in the GHG emission levels achieved by the environmental programs studied, especially by the comprehensive solid waste management program, with which the highest levels of mitigation are achieved.

Affected Factors for Solid Waste Management in the Upstream of Watershed and Touristic Area using Analytic Hierarchy Process. A Case Study of Pai District, Thailand

2019 ◽  
Vol 10 (3) ◽  
pp. 563
Author(s):  
Jessadanan WIANGNON ◽  
Thares SRISATIT ◽  
Ananya POPRADIT
Keyword(s):  
Waste Management ◽  
Solid Waste ◽  
Solid Waste Management ◽  
Analytic Hierarchy ◽  
Factors Affecting ◽  
Tourist Attractions ◽  
The Government ◽  
Negative Impacts ◽  
Hierarchy Process

The promotion of tourism by the government and the creation of local tourist attractions are becoming extremely popular. This has direct negative impacts on the environment, especially the existence of a significant quantity of garbage and its ineffective management. The upstream areas that experience considerable tourism often face problems in solid waste management (SWM), especially in areas with management limitations. The purpose of this study is to study the various important factors that affect the efficiency of SWM from tourism in the upstream areas by exploring the attitudes of those involved in the Pai district, Mae Hong Son Province, using the questionnaire. The questionnaire has been analysed by statistical methods using the SPSS program, and, then, the data has been analysed by 16 experts from 8 related fields using the analytical hierarchy process (AHP) to prioritise the factors affecting the efficiency of waste management from tourism in upstream areas. The study indicated that a total of 30 factors were grouped into 5 groups. The highest important factor is personnel and knowledge, followed by budget and equipment, area and strategy, cooperation and process, and economy and society. Executive vision is the most important secondary factor towards SWM resulting from tourism in the upstream areas. The summary of this research can be used to effectively drive spatial work, which is suitable for small cities located in upstream areas, and growth in tourism, and such information can be applied to other areas that have similar characteristics, which will lead to efficient spatial SWM.

Anaerobic Treatment of Municipal Solid Waste Landfill Leachate: Operation of a Pilot Scale Hybrid UASB/AF Reactor

1992 ◽  
Vol 25 (7) ◽  
pp. 255-264 ◽  
Author(s):  
J. Iza ◽  
P. J. Keenan ◽  
M. S. Switzenbaum
Keyword(s):  
Solid Waste ◽  
Landfill Leachate ◽  
Solid Waste Management ◽  
Inorganic Compounds ◽  
Pilot Scale ◽  
Anaerobic Treatment ◽  
Organic Fraction ◽  
Waste Landfill ◽  
Landfill Disposal

Landfill disposal is a widely used technique for solid waste management. The leachate produced, owing to moisture release and rain and snow infiltration, can cause environmental hazards if it is not properly collected, treated, and disposed. An on-site pilot plant study was carried out to assess the treatability of the leachate from a developing landfill. Details of the designed reactor and data collected during a long term run are presented, showing that a young landfill leachate is amenable to anaerobic treatment of its organic fraction, but special care should be taken with the management of the inorganic compounds, especially heavy metals.

scholarly journals PRIVATIZATION OF SOLID WASTE MANAGEMENT: OPPORTUNITIES AND CHALLENGES

2021 ◽  
Vol 4 (2) ◽  
pp. 142
Author(s):  
Yahya Muhammed Bah ◽  
Myrtati Dyah Artaria
Keyword(s):  
Waste Management ◽  
Solid Waste ◽  
New Technologies ◽  
Solid Waste Management ◽  
Healthy Environment ◽  
Negative Impacts ◽  
Resources Conservation ◽  
Prompt Action ◽  
Google Search ◽  
Innovative Techniques

<p><strong>Aim:</strong> The fundamental rationale for a systematic literature review is to examine opportunities and challenges in the privatization of solid waste management, and share knowledge to spark and inspire a process that will usher in public private partnership to ensure cities are kept clean for habitability. <strong>Methodology and Results:</strong> A systematic review of the literature using information obtained from different sources was performed. The Google Search Engine was used to search for these articles. During the search numerous combinations of words and phrases were used to ensure articles reflect the most recent knowledge and scholarly works. Only peer-reviewed articles published after 2000 were selected, except extracts perceived to be of fundamental mileage to the study. However, articles published by staunch international organizations working in privatization of solid waste management for years which had produced indefatigable knowledge in the field were stealthily appraised. The privatization of solid waste management has resulted in some successes which include, but not restricted to: effectiveness, cost saving, timely service delivery, access to funding and expansion, quality services, partnership and community participation, cleanliness and healthy environment, jobs creation and better income, elimination of public monopoly and promotion of competition, new technologies and innovative techniques, public sector concentration on supervision, resources conservation and protection from risks; less bureaucracy and prompt action regarding concerns and complaints. <strong>Conclusion, significance and impact of study:</strong> With a well-thought model and proper public supervision, the privatization of solid of waste management can deliver habitable cities, though not without negative impacts and obstacles.</p>

Capacity Building - A tool for Up-scaling Decentralised Sanitation Infrastructure Provision

2010 ◽  
Vol 5 (4) ◽  
Author(s):  
P. Kraemer ◽  
S. Sinha
Keyword(s):  
Wastewater Treatment ◽  
Waste Management ◽  
Capacity Building ◽  
Solid Waste ◽  
Solid Waste Management ◽  
Basic Needs ◽  
Drinking Water Source ◽  
Sanitation Systems ◽  
Hygiene Education ◽  
Wastewater Treatment Systems

India is home to almost one-third of the world's population that survive without adequate sanitation facilities. Bremen Overseas Research and Development Association (BORDA) in collaboration with the Consortium for DEWATS Dissemination (CDD) Society, has developed for the last 10 years, integrated solution packages for the provision of basic urban sanitation facilities. The customised packages include all or part of key sanitation elements like: toilets, decentralised wastewater treatment systems (DEWATS), health and hygiene education, solid waste management, drainage system, stakeholder participation measures. Over the last decade, with the support of its network partners CDD Society has been successful in delivering around 400 sanitation systems in South Asia. Due to the rapid growth of its population, India may require 1.3 million sanitation systems alone in the coming years. One of the key issues in meeting this huge target is the lack of trained professionals and implementing agencies. To upscale the efforts in delivering basic needs services in the sanitation sector, the Basic Needs Services (BNS) Network has started the establishment of a capacity building institution for decentralised sanitation solutions called Centre for Advanced Sanitation Solutions (CASS). CASS aims at providing the entire range of knowledge and skills required for the implementation of integrated sanitation solutions such as technical know-how for designing toilets, decentralised wastewater treatment systems (DEWATS), drainage systems, solid waste management and drinking water source protection; social support measures include health and hygiene education, community-based participatory planning tools as well as project management related aspects. For town and city managers, CASS will offer planning support for city and town-wide sanitation programmes. Furthermore, sanitation related R&D activities, knowledge management and exhibition is offered under CASS's ‘One-Stop-Shop’ concept; all components of sanitation are provided under one roof. This paper presents the basic components of the capacity building strategy developed by CDD/BORDA focusing on target groups, development of knowledge units (training module) and the didactical approach.

Characterisation of ultraviolet-absorbing recalcitrant organics in landfill leachate for treatment process optimisation

2016 ◽  
Vol 35 (3) ◽  
pp. 325-328 ◽  
Author(s):  
Olya S Keen
Keyword(s):  
Organic Matter ◽  
Wastewater Treatment ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Landfill Leachate ◽  
Treatment Plant ◽  
Molecular Size ◽  
Size Exclusion ◽  
Ultraviolet Disinfection ◽  
Leachate Treatment

Organics in leachate from municipal solid waste landfills are notoriously difficult to treat by biological processes. These organics have high ultraviolet absorbance and can interfere with the ultraviolet disinfection process at the wastewater treatment plant that receives leachate if the leachate flow contribution is large enough. With more wastewater treatment plants switching to ultraviolet disinfection, landfills face increased pressure to treat leachate further. This study used size exclusion chromatography, fluorescence spectroscopy and ultraviolet/Vis spectrophotometry to characterise the bulk organic matter in raw landfill leachate and the biorecalcitrant organic matter in biologically treated leachate from the same site. The results indicate that biorecalcitrant organics have the polyphenolic absorbance peak at 280 nm, fluorescence peak at 280 nm excitation and 315 nm emission, and molecular size range of 1000–7000 Da, all of which are consistent with lignin. The lignin-like nature of biorecalcitrant leachate organics is supported by the fact that 30%–50% of municipal solid waste consists of plant debris and paper products. These findings shed light on the nature of biorecalcitrant organics in leachate and will be useful for the design of leachate treatment processes and further research on leachate treatment methods.

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