Assessment of an Urban Contaminated Site from Tannery Industries in Dhaka City, Bangladesh

Karim, Md. Rezaul; Manshoven, Saskia; Islam, Md. Rafizul; Gascon, Juan Antonio; Ibarra, Mikel; Diels, Ludo; Rahman, Md. Mizanur

doi:10.1061/(asce)hz.2153-5515.0000139

Cited by 25 publications

(20 citation statements)

References 14 publications

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“…On 13 May 2009, the Supreme Court of the People's Republic of Bangladesh gave a jurisdictional order to complete the relocation of the tanneries by 28 February 2010. The target failed again for the third time and finally the Minister for Natural Environment and Forests has recently assured the country's Parliament that the relocation can be finished by December 2012, which is still under dilemma (Karim et al, 2012).…”

Section: Context: a Brief Description Of The Relocation Planmentioning

confidence: 99%

Industries’ Location as Jeopardy for Sustainable Urban Development in Asia: A Review of the Bangladesh Leather Processing Industry Relocation Plan

Bhowmik¹

2013

Environment and Urbanization ASIA

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The article reviews the Bangladesh leather processing industries' relocation plan by applying the Social Theories of the City and the three environmental economics theories-Willingness to Pay, Pigovian Tax and Hedonic Pricing Method on the data collected by a questionnaire survey among the industries' owners and from the original project documents. Results prove the strong unwillingness of leather industries' owners to relocate and pay for relocation, failure at imposing Pigovian tax and the high hedonic prices of the houses including threats to inhabitants' health in the redeveloped residential area. In addition to high subsidy and compensation, historic growth trends and potential risks of flood and surface water resource pollution of Dhaka defy sustainability issues. Considering three consecutive failures to meet the relocation deadlines, these results claim that redeveloping an environment friendly leather processing zone at the present location will ensure sustainable urban development.

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Section: Context: a Brief Description Of The Relocation Planmentioning

confidence: 99%

Industries’ Location as Jeopardy for Sustainable Urban Development in Asia: A Review of the Bangladesh Leather Processing Industry Relocation Plan

Bhowmik¹

2013

Environment and Urbanization ASIA

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“…During leather processing at the Hazaribagh tanning industries, large quantities of solid and liquid wastes were generated. It is estimated that, on average, about 22,000 m 3 of highly toxic effluents were discharged daily into low-lying areas, lagoons and canals, which ultimately entered the Buriganga River [14,15]. In addition, 1.25 metric tonnes of chromium were generated daily by these industries, from which 0.35 metric tonnes may have settled into the surrounding low-lying areas of Hazaribagh [15].…”

Section: Introductionmentioning

confidence: 99%

“…It is estimated that, on average, about 22,000 m 3 of highly toxic effluents were discharged daily into low-lying areas, lagoons and canals, which ultimately entered the Buriganga River [14,15]. In addition, 1.25 metric tonnes of chromium were generated daily by these industries, from which 0.35 metric tonnes may have settled into the surrounding low-lying areas of Hazaribagh [15]. Besides tanneries, over 70 paint and glue industries were located in Hazaribagh, discharging 504,000 m 3 of untreated effluents annually, further aggravating local environmental conditions [12].…”

Section: Introductionmentioning

confidence: 99%

“…Few studies, however, have assessed heavy metal content in plants occurring on the embankment or the effluent discharge channels to the river Buriganga [22,23]. Earlier work has highlighted soil and groundwater pollution within the tannery establishment [11,13,15]. However, contact with contaminated soil may pose direct risks to human health, and a holistic picture of the risks of the area is yet to be developed.…”

Section: Introductionmentioning

confidence: 99%

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Environmental and health risks of metal-contaminated soil in the former tannery area of Hazaribagh, Dhaka

et al. 2020

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Soil and plant samples collected from Hazaribagh, the former tannery area in Dhaka, Bangladesh, were analyzed for heavy metals (Cr, Pb, Ni, Zn, Cd, and Cu). The pollution and health risks of the metals were assessed with commonly used indicators. The mean soil Cr concentration was 4321 mg/kg (range 294-23,148 mg/kg). Most sites had a moderate to high degree of contamination and were classified as extremely polluted (Pollution Load Index > 1). The non-carcinogenic hazard index was greater than 1 for Pb and Cr for both children and adults, which indicates considerable non-cancer health risk. The combined cancer risks for Pb and Cr exceeded the allowable range of 1 × 10 −6-1 × 10 −4 for most sites (8 out of 11 sites in the case of adults, all sites in the case of children) with Cr being the dominant contributor and oral ingestion the primary pathway. The cancer and non-cancer risks for children were 26-and 3-fold higher, respectively, than for adults. Among all heavy metals, Pb and Zn were the most susceptible to leaching and becoming mobilized in groundwater. Concentrations of Pb, Cr, and Zn in edible parts of vine spinach (Basella alba) exceeded safe limits. However, Pb and Cu showed significant accumulation in plants (Mean Transfer Factor of 1.064 and 0.94, respectively, for Pb and Cu), while Cr exhibited relatively lower bioavailability. The spatial distribution of heavy metal contamination and associated risks presented in this study will allow policymakers to pinpoint areas of intervention for remediation.

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“…This tannery wastewater is characterized having high content of BOD, COD, suspended solids, sulphide, chloride and chromium etc. This untreated tannery effluents discharged directly into the water bodies or into the open lands and cause irreversible damage to the environment [3]. Because of the complex nature of tannery effluents, different types of physiochemical process was studied for the applicability to the chrome-tannery wastewater treatment.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Kinetic Coefficients for Chrome Tannery Wastewater Treatment by Activated Sludge System

Juel

Syed

Dey

2017

IJEE

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A B S T R A C TActivated sludge process is feasible and extensively method used for biological treatment of sewage and industrial wastewaters. The system is usually designed based on the simplified hydraulic related parameters. But design of biological treatment system based on hydraulic considerations is not reasonable to ensure efficient treatment due to the extensive variation in the composition of wastewater and also for complex nature of biochemical reactions occurring in the treatment processes. Hence kinetic approach can be an option for appropriate design of biological treatment systems rather than hydraulic parameters considerations. The present study is aimed to develop kinetic coefficients for the treatment of chrome-tannery wastewater using activated sludge process. A laboratory-scale treatment unit subsuming an aeration tank and a clarifier were used for this system. The treatment unit was operated continuously for 80 days by varying the hydraulic retention time from 3 to 12 days. BOD for both influent and effluent as well as mixed liquor volatile suspended solid (MLVSS) of aeration tank were determined at different retention time to yield data for kinetic coefficients. The substrate utilization rate coefficient (k) was 0.624 day −1 while the half velocity constant (KS) was 38.42 mg/L, yield coefficient (Y) was found to be 0.674 mgMLVSS/mgBOD and the endogenous decay coefficient (Kd) was found as 0.068 day -1 . These coefficients can be utilized for the rational design of activated sludge system for the treatment of chrome tannery wastewater.

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Assessment of an Urban Contaminated Site from Tannery Industries in Dhaka City, Bangladesh

Cited by 25 publications

References 14 publications

Industries’ Location as Jeopardy for Sustainable Urban Development in Asia: A Review of the Bangladesh Leather Processing Industry Relocation Plan

Industries’ Location as Jeopardy for Sustainable Urban Development in Asia: A Review of the Bangladesh Leather Processing Industry Relocation Plan

Environmental and health risks of metal-contaminated soil in the former tannery area of Hazaribagh, Dhaka

Assessment of Kinetic Coefficients for Chrome Tannery Wastewater Treatment by Activated Sludge System

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