In the present experimental design, the removal of crvi from the aqueous solution was studied by aspergillus niger msr4 under different environmental conditions in. Biosorption of hexavalent chromium in a tannery industry. Bioremoval of different heavy metals by the resistant. Biosorption of as iii by aspergillus niger x300 using. Studies on biosorption of chromium ions from wastewater. In this study, biosorption of ni ii ions from aqueous solution by using biomass of aspergillus niger was investigated. Biosorption analyses aspergillus flavus and aspergillus niger biomass was. Study of microbial crvi reduction and identification of reduction. Chromium biosorption aspergillus niger fungal strain mineral salt medium these keywords were added by machine and not by the authors. In the light of these observations, studies on biosorption of cr vi to immobilized fungal biomass were carried out in the present study. Pretreatment of live cells of aspergillus niger was carried out. Biosorption is a promising alternative method to replace the existing conventional technique for crvi removal from the industrial effluent. Kinetics and equilibrium studies on biosorption of. The surface characteristics of the biomass were evaluated based on the point of zero charge pzc, identification of adsorption sites and structure by scanning electron microscopy.
The objective of this work was to study the resistance and removal capacity of heavy metals by the fungus aspergillus niger. Biosorption equilibrium was established in about 24 h. The present study focused on exploration of aspergillus niger towards removal of crvi from aqueous solution. Biosorption of inorganic mercury onto dead biomass of.
Chromium vi biosorption by immobilized aspergillus niger adsorbed to the biosorbent. Isotherm modelling, kinetic study and optimization of. Studies on biosorption of different metals by isolates of. In the collected soil samples, the copper and lead mean concentration was 94. Physicochemical and engineering aspects on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The effects of ph, time, biomass concentration, and initial concentration of the heavy metal on the rate of. Biosorption of hexavalent chromium by aspergillus fumigatus s101 isolated from a coal mining environment satarupa dey1, swagata bhattacharya2, rajyasri ghosh2, shampa bhattacharyya2 1agricultural and ecological research unit, indian statistical institute, 203 barrackpore trunk road, kolkata 7000108, india. Bioaccumulation and biosorption of chromium by aspergillus. For biosorption of cr by pretreated aspergillus niger the optimum ph was found to be 3. Introduction the term biosorption is defined as a process in which solids of natural. Biosorption of chromium from aqueous solutions by pretreated aspergillus niger. Cr and zn biosorption by aspergillus niger springerlink. Application of biosorption for removal of heavy metals. Figure 5 shows the effect of incubation time and ph on the biosorption of 50 mgl of crvi by the biomass of a.
Vaidya department of microbiology, institute of science, 15, madame cama road, mumbai 400 032, india key words. Read biosorption characteristics of aspergillus flavus biomass for removal of pbii and cuii ions from an aqueous solution, bioresource technology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Biosorption of heavy metals lead, chromium, cadmium, nickel, copper and zinc using isolates of filamentous fungus,aspergillus fumigatus was reported 11. Biosorption of hexavalent chromium using aspergillus niger dead. Biosorption of as iii has some potential advantages over conventional chemical methods, like it has low operating. The effects of biosorbent dosage, ph, contact time, temperature and initial concentration of crvi on its adsorption removal were examined in.
Sorption experiments using the aspergillus niger fungus for cadmium removal were carried out to study the factors influencing and optimizing the biosorption of this metal. Comparitive study on biosorption of hexavalent chromium. Equilibrium data fitted well to the temkin and freundlich isotherms. Optimization of physiochemical parameters for biosorption of chromium and tannic. Biosorption of copper ii from electroplating wastewaters. The biosorption of ni ii ions was highly ph dependent and the optimum ph for biosorption of ni ii ions was found to be 7. At 4 mm initial metal concentration, chromium biosorption was 18. Biosorption of asiii by dead cells of aspergillus niger x. This process is experimental and the keywords may be updated as the learning algorithm improves. Bacteria, fungi and seaweeds can be used to remove heavy metals and. This study investigated the biosorption of lead, chromium and cadmium in tannery effluent using indigenous microorganisms. However, reports on the equilibrium and thermodynamic studies on biosorption process are few. The present study was carried out in a batch system using dead biomass of marine aspergillus niger for the sorption of hgii.
First, the capacity of biosorption of heavy metals in dry cells of candida albicans was examined. Studies on biosorption of chromium ions from wastewater using biomass of aspergillus niger. Aspergillus niger biosorption biosorption of chromium. Bioadsorption of chromium by penicillium chrysogenum and.
Bioaccumulation of criii and crvi in the spent chrome liquor has resulted in a 7578% reduction of the initial cr content in 2436 h. Journal of hazardous materials 146 2007 270277 biosorption of chromium and nickel by heavy metal resistant fungal and bacterial isolates shankar congeevarama. The chromium removal from tannery industry wastewater was validated by checking chromium removal in an aqueous solution and by checking the removal. Pdf biosorption potency of aspergillus niger for removal. Biosorption of copper from dye industry effluent using. Cetyl trimethyl ammonium bromide ctab pretreatment exhibited maximum chromium removal. The potency of aspergillus niger was evaluated in shake flask culture by absorption of chromium at ph 6 and temperature 30c. Pdf cr and zn biosorption by aspergillus niger researchgate. The pseudosecond order rate expression was also applied to the sorption of metal ions, dyes, and organic substances from aqueous solutions. The results of the study indicated removal of more than 75% chromium by aspergillus niger determined by diphenylcarbazide colorimetric assay. International journal of advanced research in biological sciences.
Bacteria isolated from the tannery effluent were bacillus subtilis b. A pseudosecond order kinetic expression for the adsorption systems of divalent metal ions was developed using sphagnum moss peat. Enterobacter cloaceae rhizopus arrhizus, aspergillus niger. Optimization of chromium and tannic acid bioremediation by. Pdf hexavalent chromium biosorption by dried biomass of. This dried biomass was immobilized in caalginate beads. The metal stripped biosorbent was rinsed with 50 ml double distilled water for 15 min for two times. Biosorption of cadmium using the fungus aspergillus niger scielo. Biosorption of heavy metals by candida albicans intechopen.
The optimal concentration of chromium and temperature were found to be 126 ppm and 34 o c respectively. Aspergillus niger, biosorption, hexavalent chromium, functional groups. We analyzed the resistance to some heavy metals by dry weight and plate. Fungal strain aspergillus niger was isolated from effluent of chemical and pharmaceutical industry using sda agar. The mic minimum inhibitory concentration of the isolate against chromium and tannic acid was found to be 200 ppm and 5% respectively. Pdf kinetics, equilibrium and thermodynamic studies on. The use of fungal biomass as a biosorbent for the removal of toxic and heavy metal ions from different industrial. Dharmalingam department of biotechnology vivekanandha college of engineeering for. The results of the study indicated removal of more than 75% chromium by aspergillusniger determined by diphenylcarbazide colorimetric assay and atomic absorption spectrophotometry after 7 days.
Considering all above factors together this paper discusses the efficient chromium biosorption process carried out by immobilized a. A chromium and tannic acid resistance fungal strain was isolated from tannery effluent, and identified as aspergillus niveus mcc 18 based on its rdna gene sequence. Biosorption is one of the significant properties of both living and dead microorganisms and their components relevant for treatment of pollutants 12, 14. Large numbers of reports are available on metal binding capacity of different groups of microorganisms. Uptake and reduction of hexavalent chromium by aspergillus. The maximum % of chromium removal was found to be 71.
The simulation parameter revealed that the modeled values were in good agreement with simulated ones. Biosorption potency of aspergillus niger for removal of. Biosorption is a physiochemical process that occurs naturally in certain biomass which allows it to passively concentrate and bind contaminants onto its cellular structure. July 2007 colloids and surfaces a physicochemical and engineering aspects deepa prabhu. The removal of radionuclides, including uranium from water solutions that have been released as a result of human industrial activity mining industry, conversion facilities and enrichment factories, etc. Biosorption of as iii by aspergillus niger x300 using complex nutrient medium. The dead biomass of aspergillus niger was studied as biosorbent for removing znii and crvi from wastewater.
It was found that a higher removal, which is proportional to the biosorption, occurs at 2 days and at a ph of 1. Pdf biosorption of hexavalent chromium by aspergillus niger. Comment on biosorption of cadmium using the fungus. Bioaccumulation of crvi ions from aqueos solutions by aspergillus. Hexavalent chromium biosorption by dried biomass of aspergillus niger nua101 isolated from indian ultramafic complex january 2015 african journal of microbiology research 94. Biosorption characteristics of aspergillus flavus biomass. Biosorption, uranium, pretreate d aspergillus niger, kinetic model. Kinetics, equilibrium and thermodynamic studies on biosorption of hexavalent chromium by dead fungal biomass of marine aspergillus niger. Heavy metal biosorption is an efficient technology for the decontamination of metal from industrial waste water. Biosorption of lead, chromium and cadmium in tannery.
Biosorption of ni, cr and cd by metal tolerant aspergillus niger and penicillium sp. The biosorption characteristics of chromium vi ions were studied with respect to wellestablished effective parameters including initial metal ion concentration, ph, temperature and biosorbent dosage. Biosorption of cadmium using the fungus aspergillus niger. Ability of pb biosorption with immobilized aspergillus niger biomass was premeditated in the present study. Different parameters such as initial ph, ni ii ions concentration, contact time and temperature were explored. Biosorption of uranium vi from aqueous solution by. Optimization of cr vi biosorption onto aspergillus niger using 3. Biosorption by fungi a high percentage of cell wall material cell walls of fungi present a multilaminate architecture where up to 90% of their dry mass consists of amino or nonamino polysaccharides, shows excellent metal binding properties rhizopus, aspergillus, streptoverticillum and saccharomyces are fungi used. Optimization of crvi biosorption onto aspergillus niger. Biosorption of copper and lead by heavy metal resistant. Among the other biosorbents, fungi have been proved as one of the efficient biosorbents for the sorption of toxic heavy metals. Though using biomass in environmental cleanup has been in practice for a while, scientists and engineers are.
Chromium vi biosorption by immobilized aspergillus niger. Biosorption of as iii by aspergillus niger x300 using complex nutrient medium html full text. Biosorption of ni, cr and cd by metal tolerant aspergillus. Biosorption of copper from dye industry effluent using aspergillus niger m. Biosorption of crvi from aqueous solution using dormant.
Request pdf biosorption of chromium, copper, nickel and zinc ions onto fungal pellets of aspergillus niger 405 from aqueous solutions fungal mycelium pellets of aspergillus niger 405 were used. Biosorption of copper ii from electroplating wastewaters by aspergillus terreus and its kinetics studies varshney r 1, bhadauria s 1 and gaur ms 2 1 microbiology research lab, department of botany, r. Biosorption of hexavalent chromium using aspergillus niger. Biosorption of lead using immobilized cells of aspergillus.
Biosorption of chromium, copper, nickel and zinc ions onto. This study involved the investigation of enhancement of chromium biosorption capacity of dead aspergillus niger fungal biomass by pretreatment and its use in a column mode. Pdf the removal of hexavalent chromium from aqueous solution was studied in batch experiments using dead biomass of three different species of marine. The influence of different experimental parametersinitial ph, adsorbent dose, initial concentration, contact time, shaking speed, temperature, and their combined effect. Department of biological sciences, sankrail abhoy charan high school h. It was concluded that, aspergillus niger biomass is an effective sorbent material that most likely follows pseudosecondorder reaction rate and best described using langmuir isotherm model. Materials and methods fungal isolates the fungi, aspergillus niger and aspergillus parasiticus, used in this study were isolated from landfill and sludge samples obtained from the neital shoe factory and. Pdf biosorption of crvi onto marine aspergillus niger. The potential of aspergillus niger mtcc 2594 to accumulate chromium as well as its biosorption capacity is investigated in this study. Aspergillus niger, biosorption, experimental planning. Comparitive study on biosorption of hexavalent chromium using aspergillus oryzae ncim 637 and aspergillus sojae ncim 1198 from electroplating effluent reya issac i, rajamehala m, lakshmi prabha m and emilin renitta r department of biotechnology, karunya university, coimbatore641114, tamil nadu, india.
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