Cellulose, mafi yawan polymer na kwayoyin halitta a duniya, ya zama babban rabo na kayan masana'antu da kayan masana'antu daban daban. Abubuwan da ke da ra'ayin sa na yau da kullun da ke haifar da kalubale don rushewar ta, mahimmanci don samar da kayan aikin biofuel samarwa da sharar gida. Hydrogen Peroxide (H2O2) ya fito a matsayin mai yuwuwar warwarewa domin tazara yanayin jin daɗinsa da kuma oxidizing kaddarorin.
Gabatarwa:
PRELLUOS, Polysaccharide ya ƙunshi raka'a na Glucose da haɗin gwiwar β-1,4-glykisidic, babban abin da ya ƙunsa ne a shuka jikin jikin shuka. Yawan amfanin da ke ci amerass ya sa ya zama mai kyan gani don masana'antu daban daban, gami da takarda, withp, tothaliyoyi, da kuma zuriya. Koyaya, cibiyar sadarwar haɗin hydrogen a tsakanin Freilulos Frefuls ya ba da tsoratar da rushewa a cikin amfani da kayan aikinta da sake sarrafawa.
Hanyoyin gargajiya don rushewar cllulose ya ƙunshi mawuyacin yanayi, kamar acid mai da hankali, waɗanda galibi suna da alaƙa da damuwa da kuma yawan makamantarwa. Sabanin haka, hydrogen peroxide yana ba da madadin madadin oprizing da m yanayin da ke damunsa da kuma yiwuwar sarrafa ku na muhalli. Wannan takarda ta cancanci cikin hanyoyin da ke haifar da ƙwayar cuta ta hydrogen perxide-yewararrun celululanel-yassu da kuma kimanta ƙarfin sa da aikace-aikacen sa.
Hassan selulamose ta rushe ta hanyar hydrogen peroxide:
Rushewar Celululose ta Hydrogen peroxide ya ƙunshi rikicewar sunadarai, da farko clucedative oxidatid na shaidu na glycosidic na glycosidic na haɗin gwiwa na glycogen. Tsarin yawanci yana ci gaba ta hanyar matakai masu zuwa:
Hakadawa Hydroxyl ƙungiyoyi: Hydrogen peroxide yana aiki da ƙungiyoyin Hydroxyl, suna kaiwa ga samuwar hydroxyl radicals (• Oh) Via Fenton a gaban ions m karfe. Wadannan tsattsauran ra'ayi sun kai hari kan shaidu na glycosidic, kuma fara satar sililin kuma samar da guntun celullulose na selulose.
Rushewar sadaka ta hydrogen: Hydroxyl Radicals kuma suna rushe hanyar sadarwar hydrogen tsakanin sililisuse, ya raunana tsarin gaba ɗaya da masu warwarewa.
Formation of Soluble Derivatives: The oxidative degradation of cellulose results in the formation of water-soluble intermediates, such as carboxylic acids, aldehydes, and ketones. Wadannan abubuwan bayar da gudummawa suna ba da gudummawa ga tsarin rushewar ta hanyar ƙara yin abinci da rage danko da rage danko da rage danko.
Depolymerization da Gratsuwa: Karin Hanya da Haske Haske suna haifar da rashin daidaituwa na Cels cikin gajeren kaya ko kuma a ƙarshe samfuran nauyi-molued.
Abubuwan da suka shafi sel mai launin hydrogen peroxide
Ingancin Cellulose ta amfani da hydrogen peroxide yana rinjayi abubuwa daban-daban, gami da:
Taro na hydrogen peroxide: mafi girma taro na hydrogen peroxide yawanci yana haifar da sauri da sauri. Koyaya, yawan taro mai yawa na iya haifar da halayen ɓangarorin ko abubuwan da ba a buƙata.
PH da zazzabi: da pH na matsakaiciyar matsakaiciyar tasirin tasirin tasirin hydroxyl radicals da kwanciyar hankali na selulose na sel. Matsakaici na matsakaici na acidic (pH 3-5) galibi ana fi son haɓaka ƙwallon ƙwallon Sel Celullulos ba tare da mahaɗan lalacewa ba. Bugu da ƙari, zazzabi rinjayar da mahaifa, tare da mafi girma yanayin zafi gabaɗaya yana hanzarta tsarin rushewar.
Gaban ion mai kara: Canza alƙawarin karfe, kamar ƙarfe ko jan ƙarfe, na iya catalyze da lalata lalata na hydrogenl Raticals. Koyaya, zaɓi na mai kara kuzari da kuma maida hankali dole ne a inganta shi a hankali don rage girman halayen ɓangare da tabbatar da ingancin samfurin.
PRELLUOROCHOOROCHOROCEL DA Crystallity: Samun dama na Celulose Chains zuwa Hydrogen peroxide da Hydroxyl Ringicals yana rinjayi peroxide da hydroxyl tsattsauran ra'ayi yana rinjayar peroxide da hydroxyl tsattsauran ra'ayi yana rinjayar peroxide da hydroxyl tsattsauran ra'ayi yana rinjayi peroxide da hydroxyl tsattsauran ra'ayi yana rinjayi perphology da Hydroxyl mai tsattsauran ra'ayi yana rinjayar peroxide da hydroxyl tsattsauran ra'ayi yana rinjayi peroxide da hydroxyl tsattsauran ra'ayi yana rinjayi peroxide da hydroxyl tsattsauran ra'ayi. Amorphous yankuna sun fi saurin kamuwa da lalata fiye da domain crystalline sosai, na waji dabi'ar maganganu ko dabarun canji don inganta isa.
Abvantbuwan amfãni da aikace-aikacen hydrogen peroxide a cikin selulose rushewa:
Hydrogen peroxide yana ba da fa'idodi da yawa don rushewar cllulose idan aka kwatanta da hanyoyin al'ada:
Karɓar jituwa muhalli: Ba kamar matsananciyar ƙuruciya ba kamar sulfuric acid ko ƙwayoyin cuta, hydrogen peroxide ne in mun gwada cikin ruwa da kuma oxygen a karkashin yanayi mai laushi. Wannan halayen abokantaka na muhalli yana sa ya dace da aikin ƙwallon ƙwallon ƙwallon ƙafa mai ɗorewa da sakewa.
Yanayi mai sauƙi: Hydrogen peroxide-cellide-celulose selululose za a iya za'ayi a ƙarƙashin yanayi mai laushi na acikin hydrolyis ko farashin ruwa na ionic.
Zabi hadawan hadawa da hadawa: tsayayyen shaskewa na glycinsidic ta hydrogen peroxide za a iya sarrafawa zuwa wani lokaci, bada izinin gyara abubuwan da ke tattare da takamaiman kaddarorin.
Aikace-aikacen m aikace: selubbulo pleulose abubuwan da aka samo daga Hydrogen peroxide-contomarin da za a shirya takara da ke da damar a fannoni daban-daban, ciki har da samar da kayan biofuel, da jiyya mai tsayayye, da jiyya na biox.
Kalubale da kwatance na gaba:
Duk da kyawawan halayensa, Hydrogen peroxide-cellide cellululose celululoose ya rushe kalubale da dama don inganta:
Zeleceillivityimar yawan amfanin ƙasa: Aika aiwatar da babban amfanin gona na slubbose na sluble tare da ƙananan gefen kayan da ke ɗauke da Ligntin da Hemmlulose.
Scale-up da hadewar tsari: scewa sama da sel-tushen celullulose perchide perchide ne a hankali matakan da ake bukata, da matakai na iya tabbatar da ingantaccen yanayin tattalin arziki da kuma mahimmancin muhalli.
Kudi mai cikakken bayani: Tsarin ingantaccen kunnawa don kunnawa Hydrogen peroxide da oxulose yana da mahimmanci don haɓaka kudaden da aka yi da kuma saɗaɗɗen yayin rage yawan kayan aiki da samfur.
Valolization na By-Products: dabarun inganta ta-cocin da aka kirkira, kamar sugars na carbox, na iya kara inganta ci gaban tsarin.
Hydrogen peroxide yana da babban alkawari a matsayin kore da kuma hadadden ƙarfi don rushewar sel, bayar da fa'idodi kamar dacewa da muhalli, mai sauƙin yanayi, da zaɓin hadawa da hadawa. Duk da ci gaba mai ci gaba, ci gaba da kokarin bincike da ya yi niyyar ularfin hanyoyin da ke haifar da ingantattun bayanai na samar da labari.
Lokaci: APR-10-2024