Li Y, Lin H, Gao P, Yang N, Xu R, Sun X, Li B, Xu F, Wang X, Song B, Sun W. Microb Ecol. endobj The rates of pH reduction, sulfate production and metal solubilization increased with increasing specific surface area of the particles. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Environ Sci Pollut Res Int. DIRECT BACTERIAL LEACHING INDIRECT BACTERIAL LEACHING 9. Five significant variables (temperature, incubation time, CaCO3, coconut oil cake (COC), agitation rate) were selected for the optimization. 2015 Sep;71(3):311-6. doi: 10.1007/s00284-015-0850-6. [v; bCE15vfO%nrSM|akB+GxC Factors Affecting Bioleaching Factors Effects 1 Choice of bacteria Suitable bacteria that can survive at high temperatures, acid concentrations, high concentrations of heavy metals, remaining active under such circumstances. <> ]3&] }'Ot} :IZMPZ-rw76X7dsT ab=5BI;{$mmd! g_igwn~wwcK||>V+9'IiN;c>uS#}1}s/)qU%?7S#8@~9IEqFJ`(WI0o6g-g*Y{~r^g9h{hn*61znl'?h&rB$lp*Wpu@v/ui)Y+a'`gLE_c_qMtm~B'cpyNv=kG"zVdb8m*ck)=C^H}Cv[YFj_R/~qgL "J,R P&8H 8vh`M`e|a10;rnczFNG=:!ITeEaO nnlwMb$,U(o%JGtJZ7ipFvZ PtPto+?&H47M~z ;+q@cm=Z d\OP %PDF-1.5 The optimal conditions for maximum Cu bioleaching (66%) were 30C, 60h of incubation with 1.75% of CaCO3 and 3% COC at 140rpm. Govarthanan M, Park JH, Praburaman L, Yi YJ, Cho M, Myung H, Gnanendra S, Kamala-Kannan S, Oh BT. Bioleaching Impact Factor. Which factors affect bioleaching? 2017 Jan;24(3):3172-3180. doi: 10.1007/s11356-016-8066-2. Bioleaching is one of the feasible methods for the treatment of sediments contaminated with heavy metals. GW103 isolated from rhizosphere soil. A number of commercial/pilot plants are setup to find out the techno-economic feasibility of the overall process. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The Copyright Law. It has been over a year since the first documented case of the COVID-19 virus was recorded. HHS Vulnerability Disclosure, Help The most common physicochemical parameters that affect the bioleaching are temperature characteristic (mesophilic, moderately thermophilic, or extremely thermophilic), pH, oxygen and carbon dioxide content, nutrient availability, surface tension, and ferric oxide concentration. The specific surface area of sulfur particles was found to be the determining factor in the bioleaching process and not the particle size. 18 0 obj Chemosphere. %PDF-1.7 <> Main parameters which affect the bioleaching kinetics [4,5,8-10] and metabolic activity of microorganisms are pH, concentration of Fe2+ in the system, qualitative and Effect of heavy metals on acdS gene expression in Herbaspirillium sp. Progress, Challenges, and Perspectives of Bioleaching for - Hindawi Find methods information, sources, references or conduct a literature review on BIOLEACHING GW103 on lead phytoextraction and its induced oxidative stress in Zea mays. Microbial technology renders helps in . % Advanced Search . What are the disadvantages of phytoextraction? Your insights are needed to transform us into a better research content provider for researchers. In laboratory this can be achived by aeration . T;LdW~LGFV\-K@v0@?"nHnH1$@/aE_2OQO&]WY yjKDGifw=nK@z~=}ij$^ t..unuujI7&`HSjE)0hsW'{|u+72GA3R mQJR)B =IKMCf=wj@a4r"NAADQGhg.7pxlt -HIOa@h$K{N7%*dz:U!J, 0>f#q`wwP+Na -[$I;.`#3S[C)R6YA&&whf8sxDm"p#H3fA^/B2)U@ lbMf1J~= -`~@S8iyzSQq JYEV&jA,2$K-! doi: https://doi.org/10.2166/wst.2000.0281. This study found that bioleaching reduced the . ii. Microbial leaching is the process by which metals are dissolved from ore bearing rocks using microorganisms. 8]0>D`P(U(B$O psD},5 :EO'hwRSKEX!]kmgl^eQV] ){ejo"gOJygS(:FT1~-*$)Zh6+w_m endobj The rates of pH reduction, sulfate production and metal solubilization increased with increasing specific surface area of the particles. What is bioleaching used for? - KnowledgeBurrow.com Please check your email address / username and password and try again. 7 0 obj Before Bioleaching: metal solubilization by microorganisms 2022 . What factors affect bioleaching? +fAq.\A. Lithium bioleaching: An emerging approach for the recovery of Li from INFLUENCE OF PHYSICAL AND CHEMICAL FACTORS ON BIOLOGICAL - Srce A physiochemistry factor includes temperature, pH, redox potential, oxygen content, carbon dioxide content which . Factors affecting uranium bioleaching. these factors can achieve the optimum conditions a soil depollution can be achieved obtaining high depollution yields Keywords: bioleaching, depolution, microorganisms, nutrients polluted soi. endobj 3 0 obj <>>> x=ksU@\vg$L|8-" (?~Mf{ d~~.Y]gihg=,?L^Wo?wYgf Bioleaching is one of the feasible methods for the treatment of sediments contaminated with heavy metals. 8 0 obj The maximum yields of metal extraction can be achieved only when the leaching conditions correspond to the optimum growth conditions of the bacteria. endstream . This site uses cookies. FOIA This study was aimed at assess the potential of diazotrophic bacteria, Herbaspirillum sp. <> Apart from containing copper, the ores also contain other elements like iron, zinc and sulphur. endobj Materials and methods The iron - bearing minerals (goethite, mica, smectite) decrease the quality of non-metallic material. Explore the latest full-text research PDFs, articles, conference papers, preprints and more on BIOLEACHING. What are the advantages bioleaching? - Heimduo To make the technology e attractive the kinetics should be improved . xYoF;#T, q:h v#DK$37Z_D839VuSd~zC;0(cFbO& dB~9&K2d;/~'N& ]f%yr[ffDy9"~PKq%&0s"9M"7'OdJ%(Rn#.DebHlo^'l'QOEXFEG&O&.w"$p3Ln I_2fWG $3R kOfe?qu? Factors affecting bioleaching in the processing of non-metallics <> This site needs JavaScript to work properly. The specific surface area of sulfur particles was found to be the determining factor in the bioleaching process and not the particle size. Download Download PDF. All rights reserved. For the last 10 centuries, microorganisms have assisted in the recovery of copper dissolved in drainage from water. Water Sci Technol 1 June 2000; 41 (12): 263270. endobj 2. An official website of the United States government. Bioleaching: Introduction, Methods, Application, Copper, Microorganisms However, the application of magnetic separation of quartz sands after bioleaching resulted in total iron removal of 93% and in such combined way prepared product contained 0.024 % of Fe2O3. 11 0 obj You could not be signed in. Factors affecting bioleaching of metal contaminated sediment with sulfur-oxidizing bacteria ShenYi Chen, JihGaw Lin Published 1 June 2000 Materials Science Water Science and Technology Bioleaching is one of the feasible methods for the treatment of sediments contaminated with heavy metals. 5 0 obj An analysis of mineral surface characteristics showed the consortia effectively leached pyrite and sphalerite from the fine sulfide ore, and prevented the mineral surface forming the jarosite that could hinder bioleaching. Would you like email updates of new search results? Various factors were studied with the aim of acquiring the bioleaching optimum conditions of uranium as; initial pH values, pulp densities, finally, incubation periods and temperatures. Effects of solid content, substrate (sulfur) concentration and pH on the performance of bioleaching process were investigated in this study. Bioleaching - Wikipedia 12 0 obj Loganathan P, Myung H, Muthusamy G, Lee KJ, Seralathan KK, Oh BT. a~u1E3nBXBI xcFt&%jzT t4EKm}%0nb#6;MwlP3(=H8m1&r%l!Isb It was concluded that a substrate concentration of 5 g/l in reactor was the optimum concentration for bioleaching process. Bioleaching and Biomining | SpringerLink - springerprofessional.de 16 0 obj Temperature is one of the important influencing factors in the process of bioleaching. 3 0 obj "nSc~d*0T%.58Ld-eNLX.-5iu9NR|Ys&Jg*!|uiX:*"QaP?cS5uh6G )@/.O5ULfrp'*us{E+7pK.Ms5ApE8/QEw_GNA3rj*qg!IrU5l6z W: cmVu-ca`C/5fpUKW1=kq&Grq.1\HG=K*\.u]7\6.9F. endobj A number of commercial/pilot plants are setup to find out the techno-economic feasibility of the overall process. Bioremediation is a waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site. PMC Praburaman L, Park SH, Cho M, Lee KJ, Ko JA, Han SS, Lee SH, Kamala-Kannan S, Oh BT. It was found that rates of sediment acidification and metal solubilization decreased with increasing solid content. However, the application of magnetic separation of quartz sands after bioleaching resulted in total iron removal of 93% and in such combined way prepared product contained 0.024 % of Fe2O3. Bioleaching (Biomining) Advantages, Process & More | Anglo American Microbial Leaching (Bioleaching, Biomining) - Environmental Biotechnology Copyright 2022 Cactus Communications. 8600 Rockville Pike endobj The https:// ensures that you are connecting to the <> Main factors affecting bioleaching FACTOR Physicochemical Temperature pH and to keep ferric Oxygen reactions Microbiological Microbial diversity culture Population density Metal tolerance EFFECT affects leaching rate, microbial composition and activity needs to be low to obtain the fastest leaching rates and to keep ferric iron and . Factors affecting bioleaching kinetics of sulfide ores using acidophilic micro-organisms. The copper resistance was further confirmed by locating copA and copB genes. endobj 4 0 obj All the major concepts of bioleaching have been discussed, so what are factors affecting rate of bioleaching and leaching efficiency, the major factors can be summarized as microbiological, mineralogical and physiochemistry factors. xk0 X,B`n8!;G-IfiYF_d}w00^/c(cR X2Jv ew1e@Nh,,v/}Op}.n?Lxr: 1 0 obj GW103 on phytoextraction of Pband Zn by Zea mays L. Impact of an organic formulation (panchakavya) on the bioleaching of copper and lead in contaminated mine soil. Factors affecting bioleaching of metal contaminated sediment with 2016 Oct;198(8):737-42. doi: 10.1007/s00203-016-1231-7. endobj Relative Expression of Low Molecular Weight Protein, Tyrosine Phosphatase (Wzb Gene) of Herbaspirillum sp. FACTORS INFLUENCING BIOLEACHING PROCESS Process of metals bioleaching from electronic waste is a complex process, determined by many factors. Epub 2016 May 6. GW103 Toward Arsenic Stress and Molecular Modeling. Curr Microbiol. It was also observed that solubilization of heavy metal from the sediment was highly pH-dependent. Bioleaching characteristics, influencing factors of Cu solubilization What is bioleaching explain its process and advantages? 2 0 obj Bioleaching commonly refers to biomining technology applied to base metals; whereas, biooxidation is normally applied to sulfidic-refractory gold ores and concentrates. endobj BioMetals, 1999. endobj /u0'. This Paper. The .gov means its official. Cornu JY, Huguenot D, Jzquel K, Lollier M, Lebeau T. World J Microbiol Biotechnol. PDF STUDY ON THE BIOLEACHING INFLUENCE FACTORS - utcluj.ro GW103, for bioleaching of Cu in mine soil. Epub 2015 Aug 23. endobj Epub 2015 Jun 6. <>/Pattern<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 960 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> can be used for bioleaching and the effect of factors on the extent of Fe removal from non-metallics. Poisonous sulfur dioxide emissions harm the environment and can cause health problems for miners, and bioleaching avoids this process entirely. Significance of diazotrophic plant growth-promoting Herbaspirillum sp. Our platform integrates UNSILOs semantic concept extraction, with power of ML, to identify the most relevant papers for you. ; Mine soil; Oil cake. Isolation and Characterization of Multi-Metal-Resistant Halomonas sp. Keywords: O2 and CO2: For good growth of organisms adequate amount of oxygen is require. bio leaching - SlideShare Round-ups are the summaries of handpicked papers around trending topics published every week. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 842.04] /Contents 4 0 R/Group<>/Tabs/S>> The traditional method used for leaching purpose is done through heap reactors whose charecteristics may vary much with that of the modern Bioleaching process. 3 Biotech. Factors affecting bioleaching in the processing of non-metallics <> 2016 Dec;6(2):242. doi: 10.1007/s13205-016-0560-1. stream Bioleaching - an overview | ScienceDirect Topics MG from Tamil Nadu Magnesite Ore Soil in India. cN?~X+_-&&JZN5MU,L5{M-. The Fe content in the quartz sands and feldspar samples by the biological leaching decreased as much as 60% and by subsequent using of electromagnetic separation of feldspars, the decrease of Fe content in 74% was achieved. Rezumat: Bioremedierea utilizeaz organisme vii (microorganisme), pentru a degrada contaminanii n forme mai puin toxice. The main drawback in the process is the slow kinetics of dissolution of metal values from the sulfide ores. The site is secure. 2015 Nov;138:127-32. doi: 10.1016/j.chemosphere.2015.05.059. Read the article Factors affecting bioleaching in the processing of non-metallics on R Discovery, your go-to avenue for effective literature search. official website and that any information you provide is encrypted Effects of solid content, substrate (sulfur) concentration and pH on the performance of bioleaching process were investigated in this study. Mineral nutrients obtained from environment and from material to be leached. <> The results of Cu sequential extraction studies indicated that the isolate GW103 leached Cu from ion-exchangeable, reducible, strong organic and residual fractions. For all values of solid content and sulfur concentration tested, the efficiency of metal solubilization from sediment followed the order Cu>Zn>Pb>Cr. A short summary of this paper. The traditional . Summary This chapter contains sections titled: Introduction Mechanisms of Bioleaching Factors Affecting Bioleaching Environmental Considerations Conclusions Acknowledgements. When was bioleaching invented? Praburaman L, Park JH, Govarthanan M, Selvankumar T, Oh SG, Jang JS, Cho M, Kamala-Kannan S, Oh BT. 2015 Nov;71(5):618-23. doi: 10.1007/s00284-015-0897-4. 2 pH and temperature Affects leaching rate, microbial growth Copyright 2014 Elsevier Ltd. All rights reserved. <> Achieved results on iron removal point to the fact that combination of leaching and magnetic separation enables to obtain product usable in glass and ceramic industry. CHEMISTRY OF BIOLEACHING 8. Factors affecting bioleaching kinetics of sulfide ores using Disclaimer, National Library of Medicine PDF Bioleaching and Biomining - Rama University Factors affecting bioleaching in the processing of non-metallics <> 15 0 obj Bookshelf * NCI CPTC Antibody Characterization Program. Thus biomining has emerge as an important branch of biotechnology in recent years. 14 0 obj Bio Hydrometallurgical Technology, Application and Process Enhancement By continuing to use our website, you are agreeing to, Journal of Water, Sanitation & Hygiene for Development, Republic Export Building,Units 1.04 & 1.05. Clipboard, Search History, and several other advanced features are temporarily unavailable. 2 0 obj The optimal conditions for maximum Cu bioleaching (66%) were 30C, 60h of incubation with 1.75% of CaCO3 and 3% COC at 140rpm. The Fe content in the quartz sands and feldspar samples by the biological . the bioleaching of non-metallic raw materials. What is bioleaching advantages and disadvantages? - Heimduo In contrast, lowered nitrogen-based nutrition was found to upregulate IsdG approximately 100-fold in .1LB-starch cultures while inhibiting growth, affecting ferric bioleaching in kaolin clay cultures (Figure Figure3 3 B). Factors affecting bioleaching kinetics of sulfide ores using Epub 2015 Apr 22. 37 Full PDFs related to this paper. Bacterial iron dissolution ability is dependent on various physicochemical factors as temperature, acidity of solutions, redox potential, rapidity of water circulation and presence of organic sources. 9 0 obj Besides, sulfur concentration greater than 5 g/l was found to be inhibitory to bacterial activity and metal solubilization from sediment. Govarthanan M, Shim J, Kim SA, Kamala-Kannan S, Oh BT. <> endobj Search for other works by this author on: Water Sci Technol (2000) 41 (12): 263270. endobj Which factor affects bioleaching? Similarly, the S. aureus cultures in 0.1LB exhibited a good ferric reduction in Fe 2 O 3 while upregulating IsdG . Bioleaching is one of the feasible methods for the treatment of sediments contaminated with heavy metals. Download Citation | Factors affecting bioleaching of heavy metals from animal excrement | Effects of concentration of solids in liquid manure and amount of mixed sulfur bacteria liquid inoculated . bioleaching, as a bio-hydrometallurgy technique, applies microorganisms including fungi, chemolithotrophic and acidophilic bacteria (microbial metabolites) as leaching agents using ferrous ion and sulfur as the source of energy to generate metabolites in the leaching medium to recover valuable metals ( pandey and natarajan, 2015; srichandan et in$ i|AnZ _q~.#>{H{mrLx%O`fNhwMH$OtyvI&uka/q_/N||t&ra7o=[8igC>_~JCFpI)md1d?GE+Az%S7qx}z`R:Kj^C{8# f6{ Ln_xsBzz!%xRuGF3{~pOvb>[}fn&nkC6E7`L6I3?/Lo0 2017 Feb;33(2):26. doi: 10.1007/s11274-016-2191-4. Unable to load your collection due to an error, Unable to load your delegates due to an error. Surendra Nath Das. The most common physicochemical parameters that affect the bioleaching are temperature characteristic (mesophilic, moderately thermophilic, or extremely thermophilic), pH, oxygen and carbon dioxide content, nutrient availability, surface tension, and ferric oxide concentration. endobj Bioleaching - SlideShare <> What are the problems with Phytomining and bioleaching? Biotechnological treatment of non-metallics is based on bacterial leaching of raw material and dissolution of Fe. Biomining is done in two steps often called bioleaching and biooxidation. <>/Pattern<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 960 540] /Contents 18 0 R/Group<>/Tabs/S/StructParents 1>> Epub 2016 Nov 12. Covellite, chalcocite and chalcopyrite are generally used as copper ores for bioleaching processes. stream MAIN FACTORS AFFECTING ON BIOLEACHING 29 Nutrients: Bacteria used for metal extraction are chemolithoautotrophs ( inorganic compounds). Heap bioleaching of chalcopyrite: A review - ScienceDirect Factors affecting bioleaching kinetics of sulfide ores using COMMERCIAL PROCESS OF BIOLEACHING 11. Skip to Article Content; Skip to Article Information; Search within. Effects of concentration of solids in liquid manure and amount of mixed sulfur bacteria liquid inoculated on bioleaching of heavy metals from pig manure were studied.Results indicate that the lower the concentration of solids in liquid manure,the shorter the heavy metal bioleaching cycle and the better the heavy metal removing efficiency.Based on the overall consideration of both bioleaching . It mainly affects the microbial activity during the process of biological leaching, which then affects the leaching of heavy metals from tailings. Factors affecting bioleaching in the processing of non-metallics Nova Biotechnologica et Chimica . Synergistic Impacts of Arsenic and Antimony Co-contamination on Diazotrophic Communities. sharing sensitive information, make sure youre on a federal 21217 PDFs | Review articles in BIOLEACHING 17 0 obj Govarthanan M, Kamala-Kannan S, Kim SA, Seo YS, Park JH, Oh BT. Bioleaching; Green fluorescent protein; Herbaspirillum sp. PDF Factors Affecting Bioleaching in The Processing of Non-metallics Factors affecting bioleaching kinetics of sulfide ores using - Springer Copper Leaching: To have an idea of bioleaching process copper leaching by bacteria is described as an example. endobj Synergistic effect of chelators and Herbaspirillum sp. Careers. The results of Cu sequential extraction studies indicated that the isolate GW103 leached Cu from ion-exchangeable, reducible, strong organic and residual fractions. Achieved results on iron . J Basic Microbiol. <> l{2H4m{.G4J*GK,~qnk"n* npVOtG>4;A((4I@`D%*#mQB8&- Effects of solid content, substrate (sulfur) concentration and pH on the performance of. Temperature and microbial influence - Factors affecting bioleaching in Epub 2015 Jun 8. These would enable you to scan through a collection of papers and decide if the paper is relevant to you before actually investing time into reading it. IN SITU BIOLEACHING 13. Retrievedon:10November2016 BioMetals 1999, 12: 110 Factors affecting bioleaching kinetics of sulfide ores using acidophilic micro-organisms Trupti Das, Subbanna Ayyappan* & Gautam Roy Chaudhury Regional Research Laboratory, Bhubaneswar 751 013 (India)* Central Institute of Fresh-water Aqua culture, Kausalyaganga, Bhubaneswar 751 002. . A designed moderately thermophilic consortia with a better performance 10 0 obj Bioleaching can involve numerous ferrous iron and sulfur oxidizing bacteria, including Acidithiobacillus ferrooxidans (formerly known as Thiobacillus ferrooxidans) and Acidithiobacillus thiooxidans (formerly known as Thiobacillus thiooxidans ). 100 ml of broth was placed in the flasks, then complemented with sample concentrations. Bioleaching - Bioremediation and Sustainability - Wiley Online Library The aim of this was to remit on bacterial kind of Bacillus spp. Bacterial iron dissolution ability is dependent on various physicochemical. Creating the worlds largest AI-driven & human-curated collection of research, news, expert recommendations and educational resources on COVID-19. Response surface methodology based Box-Behnken design was used to optimize the physical and chemical conditions for Cu bioleaching. 10.36547/nbc.1353 . Biotechnological treatment of non-metallics is based on bacterial leaching of raw material and dissolution of Fe. Article on Factors affecting bioleaching in the processing of non-metallics, published in Nova Biotechnologica et Chimica 7 on 2022-01-13 by Iveta tyriakov. Bioremediation of copper-contaminated soils by bacteria. Biotechnological treatment of non-metallics is based on bacterial leaching of raw material and dissolution of Fe. {h~rkJQ5i~7~5D)*QYwT+-H~B#?QOH/,Hy?w5T!S_9O]w,C?Ho`3=orOu_]iCM;>:=!U+h #}s"TVGh-nxPZ QDXR.blSTdth\bHwD;gJ?h)M,p\k4-&;czv6iA'QP"hl!8:(F~NP|JC-$I8L=mB*)&K2DC(}zD7ISrF9 i1QG>!B8A06 Effects of solid content, substrate (sulfur) concentration and pH on the performance of bioleaching process were investigated in this study. Factors affecting bioleaching of metal contaminated sediment with The strain exhibited resistance to As (550mgL(-1)), Cu (350mgL(-1)), Zn (300mgL(-1)) and Pb (200mgL(-1)). 2015 Oct;55(10):1232-8. doi: 10.1002/jobm.201500008. The survival of the isolate GW103 during bioleaching was analyzed using green fluorescent protein tagged GW103. Bioleaching is one of the feasible methods for the treatment of sediments contaminated with heavy metals. 13 0 obj Arch Microbiol. EPS levels and amino acids were the main factors affecting bioleaching. Full PDF Package Download Full PDF Package. Govarthanan M, Mythili R, Selvankumar T, Kamala-Kannan S, Rajasekar A, Chang YC. AN EXAMPLE F0R DIRECT BACTERIAL LEACHING AND INDIRECT BACTERIAL LEACHING : Extraction of uranium 10. Epub 2016 Nov 18. stream Bioleaching Impact Factor | OMICS International | Journal Of You do not currently have access to this content. Bioleaching is more cost-effective than smelting processes. endobj S. Y. Chen, J. G. Lin; Factors affecting bioleaching of metal contaminated sediment with sulfur-oxidizing bacteria. endobj 4 Factors influencing bioleaching The leaching effectiveness depends largely on the efficiency of the microorganisms and on the chemical and mineralogical composition of the ore to be leached. 2022 Jul;84(1):44-58. doi: 10.1007/s00248-021-01824-6. Factors affecting bioleaching in the processing of non-metallics Bioleaching - SlideShare <> % <> Second-order polynomials were established to identify the relationship between Cu bioleaching and variables. government site. We've integrated with Scholarcy to generate summaries of articles that could save your time.
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