METHOD FOR PRODUCING CARBOXYMETHYL CELLULOSE FROM DATE PALM FRONDS

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METHOD FOR PRODUCING CARBOXYMETHYL CELLULOSE FROM DATE PALM FRONDS

  • US 11,760,812B1

  • الصحة - Health

  • 2023

  • مكتب البراءات الأمريكي - US Patent Office

  • Ahmed BinSaud Al-Saqoufi, Al-Ahsa (SA); Abdul Rahman Bin Mohammad Al-Madini, Al-Ahsa(SA); Nabil Bin Saud AlBalushi, Al-Ahsa(SA); Mohammad Bin Rafdan Hassan Al-Hajhoj, Al-Ahsa(SA); Mohamed Soliman Shathele, Al-Ahsa(SA); Ahmed Meligy Abdelghany Meligy, Al-Ahsa (SA); Mohammed Mohammed Mahmoud Elgarawany, Al-Ahsa (SA)

  • The methodforproducingmediumviscositycarboxymethyl cellulose fromdatepalmfrondsincludesdryingdatepalm fronds, grindingthedrieddatepalmfrondstoapowder, mixing thepowderwithanalkalinesolutiontoaprovidea slurry,isolatingacelluloseextractfromtheslurry,dryingthe cellulose extract,grindingthedriedcelluloseextracttoa powder,addingisopropanoltothepowdertoprovidea mixture, addinganalkalinesolutiontothemixtureto provide analkalinemixture,andaddingamixtureofmono- chloroacetic acidandtrichloroaceticacidtothealkaline mixture toprovidecarboxymethylcellulose(CMC)asan alkaline saltthereof.TheCMCcanbeusedforcultivating desert landwhilesavingwater.