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. Preliminary experiments in laboratory revealed that a very efficient treatment was combining the addition of crushed limestone and organic. Tanning industries worldwide generate approximately 40 million of waste containing chromium cr. 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. Microbial bioremediation of chromium in tannery effluent. 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.
Flame atomic absorption spectroscopy and diphenyl carbazide method was used to. Tannery polluted soil, bioindicators, phytoremediation. Bioaugmentation, box behnkem design, mmobilization,i psuedomonas putida, tannery effluent. Bioremediation of tannery effluent using fresh water. The present study indicates bioremediation potential of a. The maximum crvi removal and tannic acid degradation was found to be 92 and 68% respectively at 1. Bioremediation using microorganisms shows great potential for future development due to its environmental compatibility and possible costeffectiveness. Detoxification and bioremediation of chromium v i from the tannery effluents katragadda sai priya1, kondate roja1, sakunthala priya. Effective bioremediation and toxicity assessment of tannery. Bioremediation of total soluble salt of tannery effluent. 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.
Pdf bioremediation of toxic heavy metal chromium in. Strategies for chromium bioremediation of tannery effluent. Investigation on physicochemical parameters of tannery effluent. Abstract the present study deals with the survey of vegetation in and. Heavy metal pollution is a serious concern due to hazardous impacts at even very small concentrations. Microbial treatment of tannery effluent by augmenting. Bioremediation of tannery effluent by selected fungal species deepa 1, k. Bioremediation of tannery effluents by diazotrophic cyanobacterium tolypothrix tenuis kuetz.
Bioremediation, tannery wastewater, citrobacter, cod, toxicity. Bioremediation of tannery wastewater by aspergillus flavus. The aim of this study is to isolate halophilic organisms from nigerian institute of. A study on biosorption potential of aspergillus sp. Determination of chromium in the tannery wastewater, korangi. Bioremediation of total soluble salt of tannery effluent using. Significant p effluent is treated in many different ways. 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. Detoxification and bioremediation of chromium v i from. Heavy metals are nonbiodegradable, bioaccumulate in tissues and are biomagnified along with the trophic levels.
Bioremediation of tannery wastewater by aspergillus niger. Bioaccumulation of chromium from tannery wastewater. Conductivity, suspended solid, tannery effluent, total dissolved solid. Bioremediation of hexavalent chromium and tannic acid in.
Bioremediation of toxic heavy metal chromium in tannery effluent using bacteria m. Bioremediation of tannery wastewater by aspergillus niger spfsl 2. Bioremediation of chromium in tannery effluent by microbial consortia. There are situations in which an individual tannery applies all the belowdescribed wastewater treatment steps on site. Bioremediation potential of bacterial isolates for municipal wastewater treatment. Bioremediation potential of bacterial isolates for. 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. Physiochemical characteristics of tannery effluents before and after treatment with oscillatoria annae and coir pith on. The toxicity of metals occurs in humans due to environmental pollution or occupational exposure. 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.
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. P 1883 international journal of environmental sciences volume 3 no. Preliminary isolation of suitable fungal strains from tannery wastewater. Fungi could thus be exploited for the bioremediation of. Sujitha chromium, a priority pollutant is well known for its mutagenicity, carcinogenicity and teratogenicity in. There are a large number of tanneries scattered all over the country. Bioremediation is the potential, costeffective, and environmentalfriendly technique that uses several microbes in treatment of wastewater, soil, and sediments. An example of mass balance in leather processing table 2. In this study, the removal of chromium from tannery effluent has been carried out. Bioremediation is the use of biological organisms to destroy, or reduce the hazardous wastes on a contaminated site. Bioremediation of polluted waters using microorganisms. Bioremediation of toxic heavy metal chromium in tannery.
Therefore in the present investigation, out of 23 fungi isolated from tannery effluent, 4 aspergillus species namely a terreus. The fungal efficiency of the treatment was further supported by germination experiments on t. Manoj department of biology, gandhigram rural institute deemed university gandhigram 624 302, t. Pdf bioremediation of soil contaminated with tannery effluent by. 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. 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. Bioremediation of tannery effluent using cyanobacterium. An example of average total pollution load concentration in combined raw effluent, conventional process, water consumption. 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. After exposure to fungal treatment, the effluent exhibited 3 introduction. Hence, this chapter focuses on the role of microbes in chromium remediation from tannery effluent.
Bioremediation of tannery effluent by selected fungal. Sujitha department of microbiology, annamalai university, annamalai nagar, chidambaram608 002, tamil nadu, india abstract. Pdf bioremediation of chromium in tannery effluent by microbial. Selection of strains and carriers to combine fungi and activated sludge in. Designing a cost effective airlift reactor 317 medium. Bioremediaton of tannery effluent using lyngbya sp. Microbial bioremediation is an economic and ecofriendly process that uses naturally occurring microorganisms to degrade hazardous toxic chemical substances into less toxic or nontoxic substances. Characterization of chromium bioremediation by stenotrophomonas maltophilia srs 05 isolated from tannery effluent. Bioremediation of tannery wastewater by aspergillus niger spfsl 2 a isolated. The role of microbes in chromium bioremediation of tannery. Bioremediation of the textile waste effluent by chlorella.
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. Toxicity and bioremediation of heavy metals contaminated. 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. 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 effluent using bacteria. Chromium is the most toxic and common among the heavy metal pollutants of industrial effluents. The high values of ph, ec, cod, color, tss and total dissolved solids tds were recorded in the effluent table 1. Neighbourjoining method was employed to construct the phylogenetic tree using. Bioremediation of tannery effluent using fresh water cyanobacterium oscillatoria annae with coir pith murali shankar. Ultrasoundassisted preparation and characterization of crystalline celluloseionic liquid blend polymeric. Bioremediation is an environmentally friendly and costeffective technology for the cleanup of complex industrial tannery effluent containing heavy metals. The main reason of environmental pollution is the unconsciousness of the human being.
Pdf microbial bioremediation of chromium in tannery. The present investigations showed that tolypothrix tenuis can serve as the potential bioremedial organism for industrial pollution. Introduction to treatment of tannery effluents 7 table 1. Optimization of chromium and tannic acid bioremediation by. Tanning agents bring about permanent stabilization of the skin matrix against biodegradation. 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. 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.
Tannery effluent is known to contain large amount of dissolved salt such as. Reducing of chromium intensity of tannery effluent by using lowcost adsorbents european academic research vol. An alternative approach on bioremediation of heavy metals in tannery effluents waste using streptomyces sp. Yoganandam 3 1 pg and research department of plant biology and plant biotechnology, presidency college, chennai 05 india. Effective bioremediation and toxicity assessment of. Many natural biosorbents of microbial origins have been identified with efficient biosorption characteristics. Germination value, an index combining speed and completeness of pine seed. Saranraj p, d sujitha 20 microbial bioremediation of chromium in tannery effluent. Pdf an alternative approach on bioremediation of heavy. Bioremediation of tannery wastewater by chromium resistant. Perspectives on biological treatment of tannery effluent hilaris. Bioremediation of tannery effluent using cyanobacterium r. Bioremediation, coir pith, heavy metals, lyngbya sp. Dear sirmam, i, my self research scholar in subject environmental sciences, g.
In the present study, tannery wastewater was subjected to biological. Bioremediation an ecofriendly tool for effluent treatment. A1, arvind sivasubramanian2 and meenakshi sundaram muthuraman1 1department of biotechnology, school of chemical and biotechnology, sastra university, thanjavur6 401, tamilnadu, india. Concentrations of phenol, sulphide and ammonium nitrogen in contaminated soil, were significantly. The effect of free and immobilized cells of effluent tolerant bacteria isolated from the tannery effluents ofvaniyambadi to treat effluent water was studied. Pdf chromium is the most toxic and common among the heavy metal pollutants. Reducing of chromium intensity of tannery effluent by. Biological treatment sy stems have various applications, such as cleanup of. Bioremediation offers the possibility of using living organisms bacteria, fungi, algae,or plants, but primarily microorganisms, to degrade or remove environmental.
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