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Assessment of water quality and heavy metal pollution in leachate from municipal dumping ground located in Deepor Beel, a Ramsar site
ID Kakati, Ranjit (Author), ID Jyoti Borah, Keshob (Author), ID Borah, Dipankar (Author), ID Saikia, Queen (Author), ID Hazarika, Ajit (Author)

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Abstract
Municipal waste is a collection of residential, industrial, institutional, commercial, construction, and demolition waste collected by a municipality and disposed at a particular site. In poor urban areas, a large proportion of leachate is discharged, untreated directly into the closest water body. The Boragaon Garbage Dump is located inside the eastern part of Deepor Beel Wildlife Sanctuary, the only Ramsar site in Assam, Northeast India. The Boragaon Municipal Garbage dump directly releases its landfill leachate into the Deepor Beel, which increases the concentration of toxic substances in its water. In the present study, the water quality parameters and heavy metal concentration (EC, TDS, turbidity, pH, Na+, K+, Cl-, F-, BOD, DO, SO42-, PO43-, NO3-, As, Be, Cd, Ca, Cr, Cu, Fe, Mn, Mg, Ni, Pb and Zn) of the water in the outlets of Boragaon Garbage dump released into the Deepor Beel were assessed using standard methods for a one-year period. The results found were quite surprising, with very high levels of EC (8740±120 µScm-1), turbidity (693±1 NTU), BOD (458.6±1.86 mg/L), TDS (917.4±2.23 mg/L), K (53.9±0.24 mg/L), Cl- (502.28±2.96 mg/L), Al (7.21±0.06 mg/L), As (129.42±0.22 µg/L), Ni (0.102±0.002mg/L) and Pb (32.4±1 µg/L). These large amounts of physiochemical properties and heavy metals concentration in water may cause detrimental effects on the ecological communities of the Deepor Beel and the nearby human population. This Ramsar site needs an immediate solution such as the relocation of the dumping ground and better management of the existing waste to rectify the problem of deteriorating water quality, otherwise the water quality will be past the point of recovery within a decade.

Language:English
Keywords:Assam, landfill leachate, management, physio-chemical parameters, toxicity, wetlands
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Version of Record
Year:2024
Number of pages:Str. 1-26
Numbering:Vol. 37, no. 66
PID:20.500.12556/RUL-164322 This link opens in a new window
UDC:502/504:628.3/.4(204)(540)
ISSN on article:0352-3551
DOI:10.15292/acta.hydro.2024.01 This link opens in a new window
COBISS.SI-ID:212463107 This link opens in a new window
Publication date in RUL:22.10.2024
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Downloads:4
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Record is a part of a journal

Title:Acta hydrotechnica
Publisher:Fakulteta za gradbeništvo in geodezijo
ISSN:0352-3551
COBISS.SI-ID:3664386 This link opens in a new window

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License:CC BY-NC-SA 4.0, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
Link:http://creativecommons.org/licenses/by-nc-sa/4.0/
Description:A Creative Commons license that bans commercial use and requires the user to release any modified works under this license.

Secondary language

Language:Slovenian
Title:Ocena kakovosti in onesnaženosti s težkimi kovinami izcedne vode z odlagališča komunalnih odpadkov na območju ramsarskega območja Deepor Beel
Abstract:
Komunalni odpadki so odpadki iz gospodinjstev, industrije, gradbeništva in rušenja objektov ter institucionalni in komercialni odpadki, ki jih zbira občina in odlaga na določenem odlagališču. Na revnih mestnih območjih se velik del izcedne vode brez čiščenja odvaja neposredno v najbližje vodno telo. Odlagališče Boragaon se nahaja v vzhodnem delu naravnega rezervata Deepor Beel, edinega ramsarskega območja v Assamu, na severovzhodu Indije. To odlagališče komunalnih odpadkov izpušča izcedne vode neposredno v Deepor Beel, kar povečuje koncentracijo strupenih snovi v vodi. V tej raziskavi so bili s standardnimi metodami ocenjeni parametri kakovosti vode in koncentracije težkih kovin (električna prevodnost, skupne raztopljene trdne snovi, motnost, pH, Na+, K+, Cl-, F-, biokemijska potreba po kisiku, raztopljeni kisik, SO42-, PO43- , NO3-, As, Be, Cd, Ca, Cr, Cu, Fe, Mn, Mg, Ni, Pb in Zn) v vodi na iztoku iz odlagališča Boragaon v Deepor Beel v obdobju enega leta. Ugotovljeni rezultati so bili precej presenetljivi, saj so bile ugotovljene zelo visoke vrednosti električne prevodnosti (8740±120 µScm-1), motnosti (693±1 NTU), biokemijske potrebe po kisiku (458,6±1,86 mg/L), skupnih raztopljenih trdnih snovi (917,4±2. 23 mg/L), K (53,9±0,24 mg/L), Cl- (502,28±2,96 mg/L), Al (7,21±0,06 mg/L), As (129,42±0,22 µg/L), Ni (0,102±0,002 mg/L) in Pb (32,4±1 µg/L). Te velike vrednosti fizikalno-kemijskih parametrov in visoke koncentracije težkih kovin v vodi lahko škodljivo vplivajo na ekološke združbe na območju Deepor Beel in okoliško prebivalstvo. To območje, zaščiteno v okviru Ramsarske konvencije, potrebuje takojšnjo rešitev, kot je odstranitev odlagališča in boljše ravnanje z obstoječimi odpadki, da se odpravi slabšanje kakovosti vode – sicer bo v desetih letih prenehalo obstajati.

Keywords:Assam, izcedne vode z odlagališč, ravnanje z odpadki, fizikalno-kemijski parametri, toksičnost, mokrišča

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