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Rimozione di tensioattivi in detergenti commerciali da parte di funghi filamentosi

Rimozione di tensioattivi in detergenti commerciali da parte di funghi filamentosi


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About the Book

L'alchilbenzene lineare solfonato (LAS) è un tensioattivo anionico utilizzato nella formulazione di detergenti e di vari materiali di pulizia. Questo tensioattivo è indispensabile nella loro formulazione, ma non è completamente biodegradabile e può essere tossico per l'ambiente acquatico. Per analizzare l'efficienza del fungo filamentoso Penicillium chrysogenum nella biodegradazione dei LAS, è stato preparato un disegno sperimentale con tre punti assiali per variare le concentrazioni di glucosio e LAS in un totale di undici prove. Le prove sono state incubate in un agitatore a 25°C e 180 rpm per un periodo di cinque giorni per la fermentazione. Per quantificare questa riduzione, è stata effettuata un'analisi basata sul metodo del blu di metilene (MBAS). Il fungo filamentoso Penicillium chrysogenum, utilizzato nel processo, si è dimostrato in grado di biodegradare i tensioattivi anionici ampiamente utilizzati nei detergenti liquidi che vengono scaricati quotidianamente nelle acque reflue domestiche e che, pur essendo biodegradabili, hanno raggiunto un elevato livello di biodegradazione LAS, raggiungendo il 99,4%, mentre i trattamenti convenzionali in anaerobiosi rimuovono al massimo il 70% dei tensioattivi negli effluenti reali.


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Product Details
  • ISBN-13: 9786207306862
  • Publisher: KS Omniscriptum Publishing
  • Binding: Paperback
  • Language: Italian
  • Returnable: N
  • Weight: 95 gr
  • ISBN-10: 6207306864
  • Publisher Date: 25 Mar 2024
  • Height: 229 mm
  • No of Pages: 56
  • Spine Width: 3 mm
  • Width: 152 mm


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Rimozione di tensioattivi in detergenti commerciali da parte di funghi filamentosi
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