The metal uptake capacity of the algae during short term exposure to varying high concentration of heavy metal and the mechanism involved in the sorption of cadmium were also investigated. Cadmium ion biosorption by the thermophilic bacteria. Apr 30, 2009 the biosorption isotherms of cadmium, lead and copper with alginate xerogel beads with and without f. Bitacura departmentofbiologicalsciences,visayasstateuniversity,visca,baybaycity,leytea,philippines.
The cadmium uptake was found to be rapid and reached to 8592% of equilibrium capacity of biosorption in 15min at optimum ph6 and initial concentration 2mglfor both ulmus leaves and their ash. Biosorption of heavy metals biotechnology progress. Biosorption of lead, chromium and cadmium in tannery effluent. The maximum biosorption capacities of three strains calculated by the langmuir model were 37. Pdf biosorption of arsenic and cadmium from aqueous. Comparative analysis of the biosorption of cadmium, lead. Biosorption of cadmium, lead, and uranium by powder of poplar leaves and branches article pdf available in applied biochemistry and biotechnology 1604. These metals include arsenic, cadmium, chromium, copper, lead, mercury, nickel, and zinc 4, 11. Biosorption can be defined as the ability of biological materials to accumulate heavy metals from wastewater through metabolically mediated or physicochemical pathways of. The results indicated two distinct phases for cadmium biosorption. Batch study of cadmium biosorption by carbon dioxide enriched. Kinetic and thermodynamic studies for cadmium ii biosorption from aqueous solutions using sea urchin test john babu. The most tolerant bacterial strain for copper, lead and cadmium was isolated from elmanzala lake, egypt and it was identified using biochemical tests and confirmed by 16s r rna gene to be pseudomonas putida. Biosorption experiments biosorption of copper, cadmium, and lead were evaluated by allowing a known bacterial biomass to interact with metal ions in solution.
Biosorption of heavy metals by dead streptomyces fradiae. Oct 02, 2012 the present study aims to evaluate the competitive biosorption of lead, cadmium, copper, and arsenic ions by using native algae. Cadmium and zinc biosorption by chlorella homosphaera. Biosorption of copper, cadmium and lead by copperresistant. Copper had the highest intraparticle diffusion constant k p and then the fastest diffusion, probably due to its smaller hydrated cation size 0. This briefly describes biosorption process and some of the analysis of different lowcost biosorbents used for heavy metal remediation from waste stream. Pdf biosorption of cadmium, lead, and uranium by powder of. Biosorption of cadmium, lead and copper with calcium. Biosorption of cadmium and lead from aqueous solution by fresh.
The biosorption mechanisms were examined by fouriertransform infrared analysis and scanning electron microscopy for raw and pretreated algal biomasses before and after cadmium biosorption. Effect of contact time the effect of contact time on biosorption of cadmium and lead was studied at initial lead, chromium and nickel. Simultaneous biosorption of nickel and cadmium by the brown algae cystoseria indica characterized by isotherm and kinetic models mohammadpkhajavian1,pdavidpa. A series of experiments were carried out in a batch reactor to obtain equilibrium data for adsorption of single, binary, ternary, and quaternary metal solutions. Microorganisms and biosorption of heavy metals in the environment. Screening strains for microbial biosorption technology of cadmium. We can observe an increase in the biosorption capacity and a decrease of the removal efficiency with a concentration increase. Treatment, resilience and uptake relative to other sargassum spp. The work investigated the equilibrium, batch dynamics and continuous column operation for the biosorption process. Microorganisms and biosorption of heavy metals in the. Biosorption of cadmium, lead and copper with calcium alginate. Pdf biosorption of cadmium by biomass of marine algae. Biosorption of lead, copper, cadmium and nickel by.
The cyanophyceae lyngbya taylorii exhibited high uptake capacities for the four metals. Cristovao colombo, 2265, jardim nazareth, sao jose do rio preto, sp, 15054000, brazil, tel. Biosorption of cadmium ii from aqueous solution by chitosan encapsulated zygosaccharomyces rouxii wei jiang laboratory of food chemistry and nutrition, college of food science and engineering, ocean university of china, qingdao 266003, china. Biosorption of cadmium ii and lead ii from aqueous. Equilibrium and kinetic modelling of cadmium ii biosorption by. Cadmium biosorption capacity and its removal effi ciency increased along with the increase of ph of the solution, and maximum biosorption of cadmiumii ions. Biosorption of cadmium ii ions from aqueous solution onto sea urchin test was investigated in a batch system. Biosorption can be defined as the ability of biological materials to accumulate heavy metals from wastewater through metabolically mediated or physicochemical pathways of uptake. Binding capacity experiments using viable biomass revealed a higher value than those for nonviable biomass.
Pb from aqueous dead biomass of bacillus sp strain c and c16 isolated. A wide range of adsorption capacities between the different strains of algae and between the four metals can be observed. Biosorption of lead, cadmium, and zinc by citrobacter strain. The removal of cr vi by eclonia biomass, the brown seaweed, was examined in a binary aqueous containing ni36. The results showed that ph has an important effect on cr biosorption capacity. Adsorption experiments conducted on other parts of some plants such as peels of peas. Biosorbent made from three kinds of cyanobacterium aphanothece sp. Screening strains for microbial biosorption technology of. Biosorption of cadmium and manganese using free cells of.
The thermophilic, grampositive bacteria geobacillus stearothermophilus and g. The langmuir maximum biosorption capacity increased twofold for cadmium, 10 times for lead, and decreased by half for copper. This study will introduce anaerobic granules as a novel type of biosorbent for the removal of lead, copper, cadmium, and nickel from aqueous solutions. Batch biosorption experiments were conducted to study the effect of contact time on the biosorption of cd. The use of microorganisms in decontaminating the environment encumbered with heavy metal pollutants through biosorption is considered as a good option for bioremediation. Biosorption of cadmium by live and immobilized cells of. Cadmium biosorption properties of nonliving, dried brown marine macroalga. Leandro jorge da silva ibilceunesp, biopolymers laboratory r. Thermodynamic and kinetic aspects on the biosorption of cadmium by low cost materials. A batch leaching test was performed to measure the leached concentrations of chromium cr, lead pb, arsenic as, nickel ni, copper cu, cadmium cd, and zinc zn from dredged sediment.
Removal of lead, cadmium, and mercury ions using biosorption. Researcharticle biosorption of cadmium by filamentous fungi isolated from coastal water and sediments lebethc. Table 1 shows the biosorption kinetic parameters obtained from the pseudosecondorder kinetic and intraparticle diffusion models. The main finding of this study is that klebsiella sp. The toxicity and biosorption of cadmium to live and immobilized. Biosorption of copper and cadmium in packed bed columns with live immobilized fungal biomass of phanerochaete chrysosporium. Cadmium nitrate, agricultural waste, biosorption, ph. Bacterial precultures were prepared by inoculating a loopful of bacterial growth into 50ml tryptic soy broth tsb merck and were incubated for 24 h. Biosorption of cadmium by brown, green, and red seaweeds.
Biosorption of cadmium using a few agricultural waste. According to this model, the affinity of the metals for the biomass was as follows. Pdf biosorption of cadmium using a few agricultural waste. The biosorption characteristics of cdii and cuii ions from aqueous solution using the red alga osmundea pinnatifida biomass were investigated as. As described earlier, ph, temperature, metal, and biomass concentration, agitation and contact time are the most important parameters for the metal biosorption study. Fitr confirmed that carboxyl groups were the main groups involved in the metal uptake. Thirty strains of algae were examined for their biosorption abilities in the uptake of cadmium, lead, nickel, and zinc from aqueous solution. Pdf biosorption of cadmium from aqueous solution by free and. Article pdf available in chemical engineering transactions 17. The biosorption potential of heatkilled yeast biomass from ripe fruit peels was studied for cadmium in oxidative state 2 at concentrations of 12, 20, and 35 mgl.
Therefore, a batch biosorption reactor using a local freshwater microalga originating from an urban lake, namely, situ rawa kalongdepok as dried biosorbent was tested. In initial cadmium ion toxicity tests, members of the genus geobacillus displayed the highest tolerance to cdcl2 as high as 400 to 3,200. Biosorption potential of phanerochaete chrysosporium for. Pdf biosorption of cadmium from aqueous solution using. Biosorption of cadmium and lead from semi synthetic. Modeling of lithium interference in cadmium biosorption. The biosorption mechanism was also investigated by energydispersive xray analysis. Batch study of cadmium biosorption by carbon dioxide. Adsorption of cadmium ions from aqueous solutions using. This study is also expected to provide a theoretical basis for screening microbial biosorption materials and was expected to promote the harvest or the decontamination of heavy metals from aqueous media. Biosorption of cadmiumii from aqueous solution by chitosan. Anna simeonova, tsonka godjevargova, danka ivanova.
A second part of the study was the biosorption of heavy metals cd. Elemental analysis indicates that sulphur content of the functionalized biomass increases to. The existence of heavy metals in water and waste water has. Help us write another book on this subject and reach those readers. According to the experimental data, the cadmium uptake capacity was reached a peak at the contact time1 hr. Eventually, the natural waste under study absorb the heavy metals in all the concentrations at the ph 8 efficiently. Biosorption of cadmium ii and lead ii from aqueous solution using exopolysaccharide and biomass produced by colletotrichum sp. The efficiency of the biosorption e was calculated using the following equation e c i cf c i x 100 where, ci is the initial and cf is the final concentration of metal ions mg l in the test samples. Biosorption of cadmium ii from aqueous solutions using. The biosorption of pb ii, cd ii, and hg ii from simulated aqueous solutions using bakers yeast biomass was investigated. Biosorption of heavy metals, biosorption, jan derco and branislav vrana, intechopen, doi. Cadmium and zinc biosorption bychlorella homosphaera cells were tested under laboratory conditions, in a range of concentrations from 0.
The biosorption of these metals is based on ion exchange mechanism accompanied by the release of light. The adsorption capacity with acid treatment was lower than biosorbent with alkaline treatment. P3 1school of biotechnology, vignan university, vadlamudi 5222, india 2sankaitika vidya parishad engineering college, vizag530041, india. Biosorption of cadmium ions by unmodified, microwave and. This study reports surface complexation models scms for quantifying metal ion adsorption by thermophilic microorganisms. The husk of lathyrus sativus hls has been functionalized by introducing thio groups with the help of carbon disulphide treatment in alkaline environment. Although all the seaweed types investigated were capable of binding appreciable amounts of cadmium, considerable. Seven species of brown, green, and red seaweeds were examined for their abilities to sequester cadmium ions from aqueous solution. Adsorptive removal of cadmium from aqueous media using. Biosorption is a physiochemical process that occurs naturally in certain biomass which allows it to passively concentrate and bind contaminants onto its cellular structure. This mushroom is reported to be very susceptible to increasing content of mercury and to a lesser extent of cadmium in substrate and bioaccumulates both the metals and lead in its fruiting bodies. Overall, this novel bacterium is able to remove cadmium at concentrations up to 400 mgl, thus making the metal. Pdf biosorption of cadmium and nickel by functionalized. Effects of environmental factors and growth conditions on metal uptake capacity were studied.
Pdf the biosorption of cadmium removal by the isolated bacteria was studied in a laboratory simulated environment. Data from this single metallic biosorption system will be useful to. Pdf biosorption of cadmium by brown, green, and red. Effect of contact time on the biosorption efficiency of cd. Biosorption of heavy metals using mushroom pleurotus eous. Pdf biosorption of cadmium, lead, and uranium by powder. Biosorption is defined as ability of biological materials to accumulate heavy metals from wastewater through metabolically mediated by the use of atp or spontaneous physicochemical pathways of uptake not at the cost of atp, or as a property of certain types of inactive, nonliving microbial biomass which bind and concentrate heavy metals. These values are more easily compared, along with those of the free alga, in fig.
Batch type experiments were carried out to find the equilibrium isotherm data for each component single, binary, and. Biosorption of cadmium from aqueous solution using dead biomass of brown alga sargassum sp. The cadmium ions biosorption rbw and dsm yeast biomass is significantly influenced by the initial cadmium concentration in aqueous solution figures 2a and b. The analysis of their biosorption capacity and biosorption mechanisms were expected to elucidate the heavy metal biosorption by these three evolutionarily distinct microorganisms.
Competitive biosorption of lead, cadmium, copper, and arsenic. The biosorbent size did not affect the cr biosorption rate and capacity. This study was conducted to isolate cadmium cd tolerant fungi from coastal waters and sediments, compare their biosorption capabilities, and identify the isolates with the highest cd uptake. The stock solutions of cadmium was prepared by dissolving 0. The biosorption process for removal of lead, cadmium, and zinc by citrobacter strain mcm b. A second part of the study was the biosorption of heavy metals cd, cr, mn, and. Pdf biosorption by algae is an effective process for the removal of heavy metals from the aqueous solutions. Plant biomass of parthenium was also tried for the biosorption of cadmium ajmal et al. Biosorption of cadmium by filamentous fungi isolated from. Oct 05, 2001 thirty strains of algae were examined for their biosorption abilities in the uptake of cadmium, lead, nickel, and zinc from aqueous solution. Pdf biosorption of cadmium ii ions by the cadmium tolerant.
898 331 1326 1132 872 596 180 850 104 102 1381 794 983 1190 1340 830 848 785 1455 631 588 1619 615 439 624 344 13 841 843