The dumping of untreated liquid tannery wastes from tannery industries at hazaribag, dhaka is the major source of pollution of buriganga. An investigation was made at hazaribagh tannery area, comprising about industries of pollution to the soils by the heavy metals and to. Pollution in hazaribagh tannery area soil in bangladesh, there are no standard regulations for soil contamination. This research was conducted to bring out the appropriate level of heavy metal contamination in soil at the site of buriganga river bank near the hazaribagh tannery area and the normal agricultural. It can be produced through manufacturing processes ranging from cottage industry to industry.
Pdf soil contamination from tannery wastes with emphasis. Tannery pollution threatens health of halfmillion bangladesh residents. Waste water from tannery industries has permanent toxic effects to humans and environment. Tannery industries of hazaribagh situated in a heavily populated. A critical study chandan chakraborty, sobur ahmed, md mazaharul huq, fatematujzohra, taslima tabassum, ashraf ali siddiqui. An investigation was made at hazaribagh tannery area, comprising about industries of pollution to the soils by the heavy metals and.
Hazaribagh tannery pollution pdf there are registered tanneries in bangladesh, and around percent are located at hazaribagh on about 25 hectares of land. The effect of working place on worker s health in a. The tanning industries of hazaribagh process approximately 220 metric tons of hide daily, with an associated. Up to 95% of the registered tanneries in bangladesh are located in and around hazaribagh, a neighborhood in the countrys capital of dhaka. The removal of hazaribagh tannery has reduced pollution of the buriganga by 40%. Because of the small sizes of the tanneries in terms of number of. Leather industry parks planning, implementation, benefits, challenges and experience. Study on the adverse effect of tannery effluent on hazaribagh tanning area and pollution management p a g e 91 based on the interviews it was found that the physical parameters gave the highest negative value of 44.
This paper analyzes the determination of heavy metals named chromium, lead and cadmium deposited in soil as. Photo about harmful, pollution, industry, dhaka, heath, poultry, black, danger, smoke, diseases, skin, human. Human rights watch organization this report documents an occupational health and safety crisis among tannery workers, both men and women, including skin diseases and respiratory illnesses caused by exposure to tanning chemicals. Effluents and sediments have also been used to isolate chromiumresistant bacteria, collected from hazaribagh area, dhaka, claimed to be increasing cr vienriched environments, and. Despite the relocation of the tannery, the area continues to display high concentrations of heavy metals in the water, suggesting slow recovery of the river. Of the 270 tannery units, 90% are located on 25 hectares of land in hazaribagh. Based on unido experience with pollution control in the leather industry during a preparatory assistance in prepared survey and recommendations on tannery relocation of tanneries from hazaribagh to savar and establishing of the pollution control system.
Savar has a central effluent treatment center where chemicals and solids are to be removed from wastewater before its dischargeda vast improvement from hazaribagh. The liquid wastes were discharged without any treatment. Around the world, the vast majority of the tannery industry run their operations with good pollution controls, and does not expose local populations to health risk. Processes controlling the extent of groundwater pollution with chromium from tanneries in the hazaribagh area, dhaka, bangladesh. The tannery industry in hazaribagh, a densely populated area in dhaka city, is a fitting example of how industrial wastes in some instances can be dangerous and disastrous. Based on unido experience with pollution control in the leather industry during a preparatory assistance in 20062007 prepared survey and recommendations on tannery relocation of tanneries from hazaribagh to savar and establishing of the pollution control system. Pdf tanning industry processes, pollution and pollution. The physical look and smell of the area is frightening and annoying. On the other hand, the degree of pollution of buriganga water is evaluated in terms of do values.
The tannery industry has shown phenomenal growth during the past few decades and plays a significant role in the economy of bangladesh. Metal contamination in plants due to tannery effluent. Bangladeshi tannery workers sit amidst smoke as they labour at a temporary tannery in the hazaribagh district of dhaka on october 6, 2012. Pdf studies on environmental pollution in bangladesh. Assessment of pollution caused by tannerywaste and its impact on. Gaseous air pollutants and its environmental effect. In the last few months, about 40 of the original tanneries in hazaribagh have moved to savar, according to local press reports.
Hazaribagh is called a can cerous problem for dhaka city huda, 2008. Soil contamination from tannery wastes with emphasis on the fate and distribution of tri and hexavalent chromium article pdf available in water air and soil pollution 1991. Cr vi resistant bacteria, metal, pollution, tannery wastewater, water. So, the concentration of heavy metal in the sample of soil has been compared with the european standard. Tannery industries in the hazaribagh area and assessment. Assessment of level of water pollution discharged from hazaribagh. About half a million residents of the bangladesh capital, dhaka, are at risk of serious illness due to chemical pollution from tanneries near their homes, according to a report released last year by the bangladesh society for environment and human development sehd. Leather is a durable and flexible material created by the tanning of animal rawhide and skin, often cattle hide. Emittedfrom the tanning industry at hazaribagh, bangladesh. The tannery regions of santa croce sullarno, arzignano and solofra in italy are not. Political economic study on tannery industry development and subsequent effect on river pollution in. Modelling heavy metals in the buriganga river system. Hazaribagh tannery pollution pdf admin june 15, 2019 leave a comment.
The area is located at hazaribagh, in the western part of capital city dhaka where most of the tanning industries situated and covering an area of 25 ha 2. Pollutions at hazaribagh tannery of bangladesh editorial. Pdf phytoplankton diversity and abundance in relation to. Out of 154 tanneries, 106 tanneries have moved to savar from hazaribagh till march 2018. Water resources minister anisul islam mahmud has said that pollution of the buriganga river has been reduced by about 40% due to the removal of the leather industry from the citys hazaribagh area. An investigation was made at hazaribagh tannery area, comprising about industries of pollution to the soils by the heavy metals and to investigate the. There are registered tanneries in bangladesh, and around percent are located at hazaribagh on about 25 hectares of land. Inside bangladeshs polluted, billiondollar leather industry. Metal contamination in plants due to tannery effluent md. Photo about hazaribagh, diseases, pollution, smoke, human, tannery, harmful, poultry, black, danger, waste, heath.
Scholars, environment specialist, columnist, journalist, and ngo experts are very conscious about the environment of hazaribagh and dhaka. For yet another year, the citys leather industry hub in hazaribagh continues to face serious environmental pollution and health hazards for the people living in and around the area, thanks to the. Thee tannery owners are very rich and politically powerful, a senior bangladesh environment ministry official told hrw in june, explaining that his office was not doing anything for hazaribagh. Inside bangladeshs polluted, billiondollar leather industry workers wash leather hides in open pits while wearing no shoes or gloves. According to a directive of bangladesh high court, the shifting process of tannery industry from. Gaseous air pollutants and its environmental effect american. Pdf tanneries of hazaribagh produce large amount of liquid and solid. Processes controlling the extent of groundwater pollution. The study was carried out on the environment pollution level of the hazaribag discharged point. Removal of hazaribagh tannery cut buriganga pollution by. As pollution quite often is the main cause for driving the industry out from its existing.
Phytoplankton diversity and abundance in relation to pollution levels in the hazaribagh tannery effluent sewage water of the river buriganga. Hazaribagh is home to 95% of bangladeshs leather tanneries, which every day dump 22,000 cubic litres of toxic waste into buriganga, the citys main river and water supply. Characterization of tannery effluents of hazaribagh area. There are four active trade unions in bangladeshs tanning industry and almost all tannery workers interviewed were members of one of them mostly of the tannery workers union, the biggest and most active union in hazaribagh. Pdf a case study on industrial mismanagement of tanneries in.
Potential human health risks of tannery wastecontaminated. Study on the adverse effect of tannery effluent on. Part b 7 air pollution and its impact on environment 8 the law related to regulation of tannery industries and its. It was due to contribution of tanneries to surface water pollution greatly and was clearly visible to everyone.
Hazaribagh has drawn a significant attention in the recent years due to high concern of soil, air, surface water pollution and also for potential risk of ground water pollution of dhaka city. The health repercussions of bangladeshs hazaribagh leather. Characterization of tannery effluents of hazaribagh area, dhaka, bangladesh kabir. The tannery effluent, laced with chromium iii sulfate, sulfuric acid, salts, lime, surfactants, degreasers, ammonium sulfate, and many. B y official estimates, the tanneries of hazaribagh pump almost 5. Tannery industries in the hazaribagh area and assessment of its impact on air pollution table of contents part a 1 questioning the tannery workers of hazaribagh area. Hazaribagh has a population of just over 185,000 people and is a neighbourhood in dhaka, the capital of bangladesh. The present investigation characterizes tannery effluents by determining water quality parameters and some selected trace metallic constituents in order to measure the magnitude of environmental pollution. A large share of pollution load of the river buriganga comes from the tannery industries in the hazaribagh.