Applying of Electrical Imaging Survey (EIS) to Evaluate Leachate Pollution in Underground Area of Informal Landfill

2014 ◽  
Vol 878 ◽  
pp. 739-745
Author(s):  
Song Du ◽  
Di Wang ◽  
Zi Shen Mou ◽  
Jing Jin ◽  
Rui Jiang Zhao ◽  
...  
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Membership Function ◽  
Fuzzy Mathematics ◽  
Sanitary Landfill ◽  
Specific Resistivity ◽  
Borehole Data ◽  
Electrical Imaging ◽  
The Membership Function

An informal landfill is an open dump that pollutes the underground environment because it lacks an impervious liner. The leakage of such a landfill is unidirectional and thus difficult to directly test. This study uses electrical imaging survey to evaluate the pollution of the underground environment of an informal landfill for municipal solid waste in Beijing. We hypothesize that every location has a specific resistivity resulting from the leachate. We use the membership function of fuzzy mathematics to quantitatively represent the pollution of the underground environment in the sanitary landfill. The results are consistent with borehole data.

Research on Assessment Model for the Indirect Economic Benefit of Solid Waste Sanitary Landfill

2013 ◽  
Vol 779-780 ◽  
pp. 1272-1275
Author(s):  
Guo Xia Shao ◽  
Lei Wang
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Economic Benefit ◽  
Evaluation Model ◽  
Economic Benefits ◽  
Assessment Model ◽  
Fuzzy Mathematics ◽  
Sanitary Landfill ◽  
Multi Index ◽  
Group Evaluation

With the help of fuzzy mathematics theory, the assessment model for indirect economic benefit of municipal solid waste sanitary landfill project is established--the triangular fuzzy multi-index group evaluation model. Based on the above study, the author synthetically makes an evaluation on the indirect economic benefits of municipal solid waste sanitary landfill project , which can better the quantitative and evaluative system for indirect economic benefits of municipal solid waste, and meanwhile verify the quantative and evaluative model .

Influence of Codisposal of Municipal Solid Waste and Olive Vegetation Water on the Anaerobic Digestion of a Sanitary Landfill

1993 ◽  
Vol 27 (2) ◽  
pp. 261-271 ◽  
Author(s):  
R. Cossu ◽  
N. Blakey ◽  
P. Cannas
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Research Study ◽  
Inhibitory Effect ◽  
Organic Load ◽  
Sanitary Landfill ◽  
Inhibitory Influence ◽  
Vegetation Water ◽  
Waste Degradation ◽  
Very High

A research study was carried out aiming to investigate the possibility of treatment of vegetation water in a anaerobic digester like a sanitary landfill. This vegetation water originates from olive oil production. The results, obtained from lysimeters filled with Municipal Solid Waste, show very high gasification and reduction of the organic load of vegetation water, with no inhibitory effect on waste degradation processes providing the vegetation water is added to an active methanogenic system or buffering the landfill system during the acid phase. The inhibitory influence of compounds, like polyphenols, which can be present in vegetation water in large amounts, has been studied.

Filth flies associated with municipal solid waste and impact of delay in cover soil application on adult filth fly emergence in a sanitary landfill in Pulau Pinang, Malaysia

2013 ◽  
Vol 103 (3) ◽  
pp. 296-302 ◽  
Author(s):  
A.T. Nurita ◽  
A. Abu Hassan
Keyword(s):  
Species Composition ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Musca Domestica ◽  
Field Conditions ◽  
Lucilia Cuprina ◽  
Sanitary Landfill ◽  
Cover Soil ◽  
Fortnightly Interval ◽  
Study Species

AbstractTwo types of municipal solid waste (MSW), newly arrived and 2 weeks old, were sampled from a sanitary landfill in Pulau Pinang, Malaysia at a fortnightly interval and kept under field conditions for 2 weeks. A total of 480 kg of each type of MSW was sampled to study species composition and impact of delays in cover soil applications on filth fly emergence. Out of 960 kg of MSW sampled, 9.2 ± 0.5 flies emerged per kilogram. Weekly adult fly emergence rates of newly arrived and 2-week-old waste did not differ significantly and MSW remained suitable for fly breeding for up to 1 month. Eight species of flies emerged from the MSW: namely, Musca domestica, Musca sorbens, Synthesiomyia nudiseta, Hydrotaea chalcogaster, Chrysomya megacephala, Lucilia cuprina, Hemipyrellia ligurriens and Sarcophaga sp. Newly arrived waste was determined to be the main source for M. domestica, C. megacephala and L. cuprina in the landfill owing to significantly higher mean emergence compared with 2-week-old waste. Musca sorbens was found in newly arrived waste but not in 2-week-old waste, suggesting that the species was able to survive transportation to landfill but unable to survive landfill conditions. Hemipyrellia ligurriens, H. chalcogaster and S. nudiseta were not imported into the landfill with MSW and pre-existing flies in and around the landfill itself may be their source. The results show that landfills can be a major source of fly breeding if cover soil or temporary cover is not applied daily or on a regular schedule.

Landfill siting based on optimisation, multiple decision analysis, and geographic information system analyses

2018 ◽  
Vol 36 (7) ◽  
pp. 606-615 ◽  
Author(s):  
Luciana MG Spigolon ◽  
Mariana Giannotti ◽  
Ana P Larocca ◽  
Mario AT Russo ◽  
Natália da C Souza
Keyword(s):  
Information System ◽  
Geographic Information System ◽  
Decision Analysis ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Geographic Information ◽  
Landfill Site ◽  
Sanitary Landfill ◽  
Sanitary Landfills ◽  
The Cost

Sanitary landfill remains the most common methodology for final treatment and disposal of municipal solid waste worldwide, the cost per tonne depends on its scale. The bigger the landfill, the cheaper the cost of treatment, so the consortium of municipalities is the solution to achieve an economic scale. However, the growth of waste production introduces pressure for adequate solutions and therefore has been increasing sanitary landfill site selection studies. This study proposes a methodology for siting sanitary landfills and optimising the transport of municipal solid waste for a locality in the state of São Paulo, Brazil. Environmental, social, and economic criteria were established. Their correlated attributes were categorised into suitability levels and weighted according to multiple decision analysis. The data were organised and mapped within a geographic information system. Considering sites where landfills are prohibited, two scenarios were generated. The Mixed-Integer Quadratic Programming mathematical model is used to minimise the costs of transporting municipal solid waste and operating sanitary landfills. In Scenario 1, the results indicated that 64% of the area was suitable as a potential sanitary landfill site, 9% of the area exhibited medium suitability, and 27% of the area was classified as restricted. In Scenario 2, the results indicated that 25% of the area was suitable as a potential sanitary landfill site, 4% of the area had medium suitability, and 71% of the area was classified as restricted. The optimal solutions for Scenario 1 and Scenario 2 enabled sites to be determined for five landfills and four landfills, respectively.

Study on Prediction of Municipal Solid Waste and Fee Rates of Nanchong City by Pls Regression

2013 ◽  
Vol 726-731 ◽  
pp. 2786-2789
Author(s):  
Tie Song Li ◽  
Cheng Ming Li
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Utilization Rate ◽  
Sanitary Landfill ◽  
Pls Regression ◽  
Garbage Disposal ◽  
Gas Utilization ◽  
City Gas ◽  
History Of ◽  
The City

Nanchong city has a history of more than 2200 years. Nanchong city has a population of 795000 people in 2010, and the city Gas utilization rate is 96.03% .city sanitation department of life garbage disposal way as the focus on sanitary landfill. This document explains and demonstrates how to predict city solid waste, based on solid waste amount , from 2011 to 2015 , per month fee rates are 11.75 to 16.71 yuan/family by polluters pay principle (PPP).

scholarly journals Research on Fuzzy Plastic Constitutive Model Based on Membership Function

2021 ◽  
Vol 2021 ◽  
pp. 1-13
Author(s):  
Xigang Wang ◽  
Liling Jin ◽  
Mingfu Fu
Keyword(s):  
Stress State ◽  
Cyclic Loading ◽  
Yield Point ◽  
Membership Function ◽  
Yield Function ◽  
Loading Path ◽  
Fuzzy Mathematics ◽  
Model Based ◽  
Plastic Yield ◽  
The Membership Function

Soil has no obvious yield point, and the classical elastoplastic theory contradicts the uncertainty of the plastic yield point of the soil. Therefore, a fuzzy plastic Cambridge model based on the membership function was designed by combining the fuzzy mathematics with the Cambridge model. This model made the plastic membership function to correspond with the fuzzy yield function. The plastic strain at any stress state was calculated using the fuzzy Cambridge model and was compared with the indoor triaxial test results, and they were in good agreement. Therefore, it is appropriate to use fuzzy mathematics to express the unobvious soil yield property. The characteristics of soil yield in any stress state is reflected by the fuzzy plastic theory, which indicates that there is entirely no elasticity at any stress state. Moreover, the varying degrees of plasticity and the degree of plastic yield were uniquely determined by the plastic membership function. The fuzzy plastic model used the membership function change to replace the complex hardening. Additionally, the cyclic loading path was clear and appropriate for the cyclic loading and unloading calculations.

scholarly journals A Cultural and Functional Approach to the Assessment of Logical Thinking Ability in English Writing

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Cao Juan
Keyword(s):  
Influencing Factors ◽  
Membership Function ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Fuzzy Mathematics ◽  
Logical Thinking ◽  
English Writing ◽  
Thinking Ability ◽  
And Function ◽  
The Membership Function

The analysis of influencing factors of logical thinking ability in English writing is the key effective factor of evaluating logical thinking ability in English writing. In order to accurately evaluate logical thinking ability in English writing, this paper studies the evaluation method of logical thinking ability in English writing from the perspective of culture and function. This paper analyzes the relationship between the influencing factors of logical thinking ability in English writing. The factors of text structure and language expression reflect the culture and function of logical thinking ability in English writing, respectively, which have a direct impact on logical thinking ability in English writing. From these two aspects, 15 evaluation indexes are selected to construct the evaluation system of logical thinking ability in English writing. Considering the significant fuzziness of logical thinking ability in English writing from the perspective of culture and function, the comprehensive evaluation method of fuzzy mathematics is used for the process, the evaluation criteria are determined, the evaluation matrix is constructed, and the membership function is calculated, to complete the comprehensive evaluation of fuzzy mathematics based on the membership function and weight matrix. The experimental results show that this method can accurately evaluate the logical thinking ability of English writing and can be effectively used in the area of research.

Municipal Solid Waste Management and Treatment in China

2020 ◽  
pp. 86-114
Author(s):  
Mi Yan ◽  
Haryo Wibowo ◽  
Qike Liu ◽  
Yi Cai ◽  
Dicka Ar Rahim ◽  
...  
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Sharp Increase ◽  
Solid Waste Management ◽  
Waste To Energy ◽  
Management Policy ◽  
Sanitary Landfill ◽  
Municipal Solid Waste Management ◽  
Plant Capacity ◽  
Emission Policy

This chapter focuses on the generation, treatment, and management policy, but excluding reduction and recycling information, of municipal solid waste (MSW) in China. Cities in China generated 215 million tons of MSW in 2017. It presents a big challenge for sustainable development of cities. Currently, sanitary landfill is the dominant method for MSW treatment, treating 57.2% of total waste. MSW composting has seen a decrease in application, only used to treat less than 2.5% of total MSW. Meanwhile, waste to energy in the form of incineration for energy production has developed significantly in the last decade. The percentage of MSW amount treated by incineration is 40.2% from the total amount of treated MSW in 2017, a sharp increase from only 4.9% in 2003, due to China's commitment to WtE. The content of this chapter shall include comprehensive data from government and industry, including plant capacity, quantity, technology, emission, policy and regulation promoting, and guiding WtE in China.

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