Home > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the biosphere > Proprietà dei materiali di rivestimento del rullo usato in cotone Roller Gin
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Proprietà dei materiali di rivestimento del rullo usato in cotone Roller Gin

Proprietà dei materiali di rivestimento del rullo usato in cotone Roller Gin

          
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About the Book

L'autore di questo libro ha studiato e documentato le proprietà dei rivestimenti dei cilindri di sgranatura del cotone e lo sfondo del processo di sgranatura a rullo. La maggior parte delle operazioni di sgranatura del cotone viene eseguita utilizzando sgranatrici a doppio rullo (DR) che svolgono un ruolo importante nelle fabbriche di sgranatura. I rulli utilizzati in queste industrie sono comunemente realizzati con rivestimenti in pelle composita cromata (CCLC) fissati ad un albero. I rivestimenti CCLC contengono circa 18 000-36 000 mg/kg (ppm) di cromo . Quando il seme di cotone viene lavorato in DR gins, il cotone di lanugine è contaminato con cromo da circa 140 a 1990 ppm come cromo totale, sostanza cancerogena rispetto ai limiti di sicurezza di 0,1 ppm. Inoltre, i lavoratori dello sgranatore e degli stabilimenti tessili sono direttamente esposti a questa sostanza cancerogena e sono vulnerabili ai rischi per la salute. Per ovviare a questo problema, sono state fabbricate e sperimentate rondelle/rulli in tessuto di cotone gommato (RCF) senza inquinamento sia per studi di laboratorio che commerciali, che potrebbero essere utilizzati commercialmente come alternativa nelle industrie di sgranatura a rulli a beneficio dell'ambiente, della società, dei proprietari dei mulini, dei commercianti, dei lavoratori, dei dipendenti e del governo.


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Product Details
  • ISBN-13: 9786203065237
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Edizioni Sapienza
  • Height: 229 mm
  • No of Pages: 156
  • Spine Width: 9 mm
  • Width: 152 mm
  • ISBN-10: 6203065234
  • Publisher Date: 19 Jan 2023
  • Binding: Paperback
  • Language: Italian
  • Returnable: N
  • Weight: 236 gr


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