Due to intensive agriculture, rapid industrialization and anthropogenic activities have caused environmental pollution, land degradation and increased pressure on the natural resources and contributing to their adulteration. Strategies for chromium bioremediation of tannery effluent. Bioremediation is the use of biological organisms to destroy, or reduce the hazardous wastes on a contaminated site. An alternative approach on bioremediation of heavy metals in tannery effluents waste using streptomyces sp. Sugar mill effluent pollution physicochemical characteristics and bioremediation introduction most important effluent discharging industries are environmental pollution has been recognized as one distilleries, fertilizer units, electroplating plants, tannery of the major problems of the modern world. Introduction to treatment of tannery effluents 7 table 1. Selection of strains and carriers to combine fungi and activated sludge in. Bioremediation of chromium in tannery effluent by microbial consortia. Bioremediation using microorganisms shows great potential for future development due to its environmental compatibility and possible costeffectiveness. Designing a cost effective airlift reactor 317 medium. Pdf microbial bioremediation of chromium in tannery. Bioremediation, coir pith, heavy metals, lyngbya sp. Bioremediation of total soluble salt of tannery effluent.
After exposure to fungal treatment, the effluent exhibited 3 introduction. Bioremediation of tannery wastewater by aspergillus flavus. Bioremediation potential of bacterial isolates for municipal wastewater treatment. Bioremediation of tannery effluent using fresh water cyanobacterium oscillatoria annae with coir pith murali shankar. Bioremediation of hexavalent chromium and tannic acid in. Tannery effluent is known to contain large amount of dissolved salt such as. Bioaugmentation, box behnkem design, mmobilization,i psuedomonas putida, tannery effluent. Bioremediation of toxic heavy metal chromium in tannery effluent using bacteria m. Bioremediation of tannery effluent using cyanobacterium. Strategies for inexpensive and clean in situ bioremediation of soil contaminated with diesel oil include stimulation of the. Bioremediation of toxic heavy metal chromium in tannery. Saranraj p, d sujitha 20 microbial bioremediation of chromium in tannery effluent. Microbial bioremediation of chromium in tannery effluent.
Yoganandam 3 1 pg and research department of plant biology and plant biotechnology, presidency college, chennai 05 india. Bioaccumulation of chromium from tannery wastewater. In other situations an individual tannery may apply on site only pretreatment or a part pretreatment or no treatment at all, sending the effluent to a. In the present study, tannery wastewater was subjected to biological. Physicochemical characteristics of the tannery wastewater before and after treatment with fusarium chlamydosporium the combined tannery effluent used in bioremediation studies was dark grayish in color with unpleasant smell. Perspectives on biological treatment of tannery effluent hilaris.
The role of microbes in chromium bioremediation of tannery. Preliminary experiments in laboratory revealed that a very efficient treatment was combining the addition of crushed limestone and organic. Pdf bioremediation of chromium in tannery effluent by microbial. Dear sirmam, i, my self research scholar in subject environmental sciences, g. Abstract the present study deals with the survey of vegetation in and. Bioremediation is an environmentally friendly and costeffective technology for the cleanup of complex industrial tannery effluent containing heavy metals. Flame atomic absorption spectroscopy and diphenyl carbazide method was used to. Bioremediation of tannery wastewater by aspergillus niger.
Tanning agents bring about permanent stabilization of the skin matrix against biodegradation. P 1883 international journal of environmental sciences volume 3 no. Tannery effluent is known to contain large amount of dissolved salt such as nacl used in the preliminary preservation of hides and skin, which is known to be highly soluble and stable in nature, difficult to eliminate and toxic in nature, thereby being a burden to the environment ecosystem and human health. A1, arvind sivasubramanian2 and meenakshi sundaram muthuraman1 1department of biotechnology, school of chemical and biotechnology, sastra university, thanjavur6 401, tamilnadu, india. There are situations in which an individual tannery applies all the belowdescribed wastewater treatment steps on site. Effective bioremediation and toxicity assessment of. Tanning industries worldwide generate approximately 40 million of waste containing chromium cr. Hence, this chapter focuses on the role of microbes in chromium remediation from tannery effluent. The toxicity of metals occurs in humans due to environmental pollution or occupational exposure. Bioremediation of tannery effluent using cyanobacterium r. Toxicity and bioremediation of heavy metals contaminated. Physiochemical characteristics of tannery effluents before and after treatment with oscillatoria annae and coir pith on.
Sujitha chromium, a priority pollutant is well known for its mutagenicity, carcinogenicity and teratogenicity in. The fungal efficiency of the treatment was further supported by germination experiments on t. Heavy metals are nonbiodegradable, bioaccumulate in tissues and are biomagnified along with the trophic levels. In the present work the chromium remediation ability of bacillus subtilis, pseudomonas aeruginosa and saccharomyces cerevisiae in consortia and in their immobilized forms was studied and their efficiencies were compared. Microbial treatment of tannery effluent by augmenting. Pdf chromium is the most toxic and common among the heavy metal pollutants. Pdf bioremediation of soil contaminated with tannery effluent by.
Bioremediation of tannery wastewater by chromium resistant. Tannery polluted soil, bioindicators, phytoremediation. Ultrasoundassisted preparation and characterization of crystalline celluloseionic liquid blend polymeric. The effect of free and immobilized cells of effluent tolerant bacteria isolated from the tannery effluents ofvaniyambadi to treat effluent water was studied. Tannery effluent is a serious environmental threat due to its high chemical levels which include salinity, organic load chemical oxygen load or demand, biological oxygen demand, inorganic matter, dissolved and suspended solids, ammonia, total kjeldahl nitrogen, sulfide, chromium, chloride, sodium and other salt residues, heavy metals, etc. The main reason of environmental pollution is the unconsciousness of the human being. Fungi could thus be exploited for the bioremediation of. The aim of this study is to isolate halophilic organisms from nigerian institute of. In this study, the removal of chromium from tannery effluent has been carried out.
My research is based on leather tanning industry, in which main problem of pollutant, is chromate. Biodegradation means the breaking down of the constituents of the effluent into different fragments which will be either taken as a substrate by the organisms or simply remain in the system i. Heavy metal pollution is a serious concern due to hazardous impacts at even very small concentrations. The high values of ph, ec, cod, color, tss and total dissolved solids tds were recorded in the effluent table 1.
Bioremediation of tannery effluent by selected fungal. Bioremediation of tannery wastewater by aspergillus niger spfsl 2. Manoj department of biology, gandhigram rural institute deemed university gandhigram 624 302, t. Characterization of chromium bioremediation by stenotrophomonas maltophilia srs 05 isolated from tannery effluent. Bioremediation of total soluble salt of tannery effluent using. Bioremediation offers the possibility of using living organisms bacteria, fungi, algae,or plants, but primarily microorganisms, to degrade or remove environmental. Bioremediation of tannery effluent using fresh water. Investigation on physicochemical parameters of tannery effluent. Bioremediation of tannery effluent using fungus and bacterium approximately 10 g fresh weight of mycelia of aspergillus niger, and 10 ml fresh weight of bacillus sp. Pdf an alternative approach on bioremediation of heavy.
There was a significant negative relationship between textile waste effluent concentration and cmax at 0. The present investigations showed that tolypothrix tenuis can serve as the potential bioremedial organism for industrial pollution. Therefore in the present investigation, out of 23 fungi isolated from tannery effluent, 4 aspergillus species namely a terreus. An example of mass balance in leather processing table 2. There are a large number of tanneries scattered all over the country.
Bioremediaton of tannery effluent using lyngbya sp. Bioremediation of polluted waters using microorganisms. Bioremediation, tannery wastewater, citrobacter, cod, toxicity. Bioremediation of toxic heavy metal chromium in tannery effluent using bacteria. Sujitha department of microbiology, annamalai university, annamalai nagar, chidambaram608 002, tamil nadu, india abstract. Introduction tannery effluent is a major source of aquatic pollution in and around industries with high chemical oxygen demand cod, biological oxygen demand bod and hexavalent chromium. Many natural biosorbents of microbial origins have been identified with efficient biosorption characteristics. Conductivity, suspended solid, tannery effluent, total dissolved solid. Bioremediation of tannery wastewater by aspergillus niger spfsl 2 a isolated. Bioremediation is the potential, costeffective, and environmentalfriendly technique that uses several microbes in treatment of wastewater, soil, and sediments. Significant p effluent is treated in many different ways. The maximum crvi removal and tannic acid degradation was found to be 92 and 68% respectively at 1. Bioremediation of the textile waste effluent by chlorella.
Bioremediation potential of bacterial isolates for. Bioremediation is a popular approach of cleaning up petroleum hydrocarbons because it is simple to maintain, applicable over large areas, costeffective and leads to the complete destruction of the contaminant 5. Preliminary isolation of suitable fungal strains from tannery wastewater. Bioremediation potential of a combination of cow dung and a microbial consortium pseudomonas aeruginosa, penicillium chrysogenum and aspergillus niger in soil contaminated with tannery effluent, was investigated in the laboratory. Reducing of chromium intensity of tannery effluent by using lowcost adsorbents european academic research vol. Detoxification and bioremediation of chromium v i from the tannery effluents katragadda sai priya1, kondate roja1, sakunthala priya. Optimization of chromium and tannic acid bioremediation by. Abstract the bioremediation of chromate and tannic acid in synthetic tannery wastewater was studied in a batch culture system using free and immobilized spores and mycelia of a. Germination value, an index combining speed and completeness of pine seed. Bioremediation of tannery effluent by selected fungal species deepa 1, k. Detoxification and bioremediation of chromium v i from.
A study on biosorption potential of aspergillus sp. The present study indicates bioremediation potential of a. Determination of chromium in the tannery wastewater, korangi. A wide range of microorganisms, including bacteria, fungi, yeasts, and algae, can act as biologically active methylators, which are able to at least modify toxic species. Bioremediation an ecofriendly tool for effluent treatment. Read bioremediation of tannery wastewater by chromium resistant novel fungal consortium, ecological engineering on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Concentrations of phenol, sulphide and ammonium nitrogen in contaminated soil, were significantly. Chromium is the most toxic and common among the heavy metal pollutants of industrial effluents. Reducing of chromium intensity of tannery effluent by. Effective bioremediation and toxicity assessment of tannery. Archana devi r, madhan b, kannappan s, isolation and characterization of bacteria from tannery effluent treatment plant and their tolerance to heavy metals and antibodies. Pdf bioremediation of toxic heavy metal chromium in. Bioremediation of tannery effluents by diazotrophic cyanobacterium tolypothrix tenuis kuetz.
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