Assessment of quality and quantity of leachate from the municipal solid waste landfill of bursa

Akyol, Selin
In this study, regularly measured long-term leachate data from Bursa Municipal Solid Waste Landfill (MSWL) were analyzed using conventional statistical, time series and factor analyses to investigate in detail the temporal variability of leachate quality and quantity, trend, randomness, seasonality and the auto- and cross- correlations of leachate pollutants. Evaluating the results of data analyses, leachate management recommendations, including sampling strategies in monitoring programs and treatment alternatives for old and fresh leachates, were developed. Statistically analyzed leachate parameters included BOD, COD, pH, SS, electrical conductivity, total CrO4, Cr6+, Fe, Cu, Zn, Pb, Cd, CN-, Cl, F, total P, NH4-N, total N, SO4, S2-, total alkalinity and leachate flow rate. Results indicated that the majority of pollutant concentrations varied in large ranges. Leachate parameters usually showed non-normal distributions and high variability in the closed T Valley compared to the open Main Valley. The majority of leachate parameters was autocorrelated and had statistically significant correlations amongst themselves. Factor analysis showed that different inter-relationships were present between leachate parameters for closed and open valleys. The sampling frequency and the number of leachate parameters need to be measured were determined to be higher for open landfills than for closed landfills. It was recommended that leachates, having high organic strength, in open landfill be treated using biological and physical/chemical processes. However, after the closure of the landfill, physical/chemical processes were recommended for leachate treatment, as it gradually completes transition from fresh to old leachate.


Organic acid production from the organic fraction of municipal solid waste in leaching bed reactors
Doğan, Evrim; Demirer, Göksel Niyazi; Department of Environmental Engineering (2006)
This study was carried out to evaluate the potential of high-rate anaerobic digestion of high-solids organic fraction of municipal solid waste (OFMSW) for the production of organic acids and alcohols in leaching bed reactors (LBRs). For this purpose, two different experimental set-ups, namely Set-1 and Set-2, were operated. In the Set-1, only OFMSW without paper was studied in two identical LBRs, whereas, four identical LBRs, fed with OFMSW with paper and cow manure in different proportions, were operated i...
Extremely fouling resistant zwitterionic copolymer membranes with similar to 1 nm pore size for treating municipal, oily and textile wastewater streams
Bengani-Lutz, Prity; Zaf, Ruken Dilara; Çulfaz Emecen, Pınar Zeynep; Asatekin, Ayse (2017-12-01)
In this study, we document the performance of novel zwitterionic copolymer membranes with a molecular weight cut-off (MWCO) of around 1 kDa in treating municipal and industrial wastewater streams. These membranes were prepared by forming selective layers of self-assembling zwitterionic amphiphilic random copolymers on porous supports by a simple coating method. In single-and mixed-solute fouling tests with common components of effluent organic matter in municipal wastewater feeds (polysaccharides, natural o...
Assessment of trace metal pollution in the coastal sediments of Fethiye-Go spacing diaeresis cek Bay (SW Turkey) and evaluation of pollution sources
Gulsen-Rothmund, Halil Ibrahim; ARSLAN, ŞEBNEM; Kurtulus, Bedri; Tunca, Evren; Avşar, Ulaş; Avsar, Ozgur (2023-01-01)
This research evaluated the trace metal pollution and the pollution sources in the coastal sediments of Fethiye-Go center dot cek Bay by using the spatial distribution maps, correlation and statistical analysis, which were acquired from 69 sampling points. Spatial distribution maps for eleven elements (namely Al, As, Co, Cr, Cu, Fe, Mn, Mo, Ni, Pb, Ti, V, and Zn) revealed that there is an enrichment of the studied elements, especially near Fethiye harbor. Moreover, the contamination evaluation carried out b...
Computer assisted analysis of flow over spillway chutes
Kıranoğlu, Meriç; Yanmaz, A. Melih.; Department of Civil Engineering (2019)
In this study, a literature review is conducted in terms of assumptions, approaches, and various calculation methods used for the analysis of flow over conventional and stepped type spillways. In guidance of this review, a software is developed to perform such analyses with the set of given data by the user, and display results with some tables and figures. To this end, water surface profile over the spillway face is determined considering air entrainment process, pressure distribution over the crest under ...
Investigation of the impact of aggregate segregation on rutting resistance of asphalt concrete
Yücel, Ayhan Öner; Güler, Murat.; Department of Civil Engineering (2019)
In this study, effect of aggregate segregation on rutting resistance of asphalt concrete is investigated using laboratory compacted specimens. A procedure to determine inhomogeneity level is proposed using 2-dimensional cross section images of asphalt concrete specimens. A redistribution algorithm is developed to assess the aggregate distribution characteristics and inhomogeneity index of the cross sectional images. In order to simulate field conditions, specimens are produced in two different groups: (i) w...
Citation Formats
S. Akyol, “Assessment of quality and quantity of leachate from the municipal solid waste landfill of bursa,” M.S. - Master of Science, Middle East Technical University, 2005.