Ndezvipi zvinhu zvikuru zve cellulose?
Serosi, chimwe chezvinhu zvakawanda zve organic paNyika, chinoshanda sechinhu chikuru mumadziro emasero emiti. Iyi polysaccharide yakaoma inoumbwa nemayuniti anodzokorora emamorekuru eglucose akabatana pamwe chete, achigadzira cheni refu. Zvinhu zvikuru zvekugadzira cellulose zvinobva mumiti, kunyanya pulp yehuni, donje, uye mhando dzakasiyana dzemasara ekurima.
Pulp yehuni:
Pulp yemuti ndiyo inonyanya kushandiswa pakugadzira cellulose, ichikonzera chikamu chikuru chekugadzirwa kwecellulose pasi rose. Inowanikwa kubva kufiber yemuti, inonyanya kuwanikwa kubva kusoftwood nehardwood. Miti yemuti ...
Huni dzinobviswa kuburikidza nemaitiro akasiyana-siyana emakanika uye emakemikari. Pakutanga, matanda anobviswa makwati obva achekwa kuita zvidimbu zvidiki. Machipisi aya anozoshandiswa kukuya kana kurapwa nemakemikari kuti aparadzanise fibers dzecellulose kubva kune zvimwe zvinhu zvakaita se lignin ne hemicellulose. Huni dzinozobva dzagezwa, dzocheneswa, uye dzonatswa kuti dziwane mhando ye cellulose inodiwa pakushandisa kwakasiyana-siyana.
Donje:
Donje, shinda yechisikigo inowanikwa kubva mumapods emuti wedonje, ndeimwe nzvimbo inokosha ye cellulose. Inonyanya kuumbwa ne cellulose yakachena, ine lignin shoma uye hemicellulose. Donje cellulose inozivikanwa nekuchena kwayo kwakanyanya uye simba, zvichiita kuti ive yakakosha pakugadzira zvigadzirwa zve cellulose zvemhando yepamusoro zvakaita semachira, bepa, uye cellulose derivatives.
Maitiro ekubvisa cellulose kubva mudonje anosanganisira kuparadzanisa fibers kubva kumbeu dzedonje nezvimwe tsvina kuburikidza nekuita ma "ginning", kuchenesa, uye "carding". Fibers dzedonje dzinozogadziriswazve kuti dzibvise tsvina yasara uye kunatsa cellulose kuti ishandiswe mune zvimwe zvinhu.
Zvasara zvekurima:
Zvisaririra zvakasiyana-siyana zvekurima, zvinosanganisira uswa, masaga, chitofu chechibage, makoko emupunga, uye masaga enzimbe, zvinoshanda semamwe manyuko e cellulose. Zvisaririra izvi zvinobva mumabasa ekurima uye zvinowanzova ne cellulose, hemicellulose, lignin, nezvimwe zvinhu zve organic. Kushandisa masaga ekurima kugadzira cellulose kunopa mabhenefiti ezvakatipoteredza nekuderedza marara uye kushandisa zviwanikwa zvinogona kushandiswazve.
Kubviswa kweselulosi kubva mumarara ekurima kunosanganisira maitiro akafanana nekugadzirwa kwehuni, kusanganisira kuderedza saizi, kurapwa nemakemikari, uye kunatswa. Zvisinei, kuumbwa kwemakemikari uye chimiro chezvisaririra zvekurima zvinogona kusiyana nematanda, zvichiita kuti pave nekugadziriswa kwematanho ekugadzirisa kuti pave nekukosha uye kunaka kweselulosi.
Algae:
Kunyange zvazvo zvisinganyanyo shandiswa sehuni, donje, kana masara ekurima, mamwe marudzi ealgae ane cellulose uye akaongororwa senzvimbo dzinogona kushandiswa kugadzira cellulose. Algal cellulose ine zvakanakira zvakaita sekukura nekukurumidza, huwandu hwakawanda hwe cellulose, uye kushomeka kwevhu nemvura zvichienzaniswa nezvirimwa zvepasi.
Kubvisa cellulose kubva mualgae kunowanzo sanganisira kuputsa madziro emasero kuti kuburitswe fibers dzecellulose, zvichiteverwa nekucheneswa nekugadzirisa kuti pave nezvinhu zvinoshandiswa zvecellulose. Tsvagiridzo mukugadzirwa kwecellulose inobva mualgae iri kuenderera mberi, nechinangwa chekugadzira nzira dzinogara kwenguva refu uye dzinoshanda dzekugadzira zvinhu zvakakura.
zvinhu zvikuru zveselulosezvinosanganisira huni dzakagadzirwa nemuti, donje, zvasara zvekurima, uye, zvishoma, mamwe marudzi ealgae. Zvinhu izvi zvinoitwa pamatanho akasiyana-siyana ekugadzirisa kuti zvibudise nekunatsa cellulose, iyo inoshanda sechinhu chakakosha mukushandiswa kwakasiyana-siyana kwemaindasitiri nemabhizimisi, kusanganisira kugadzira mapepa, machira, mishonga, zvigadzirwa zvekudya, uye biofuels. Kuwana zvinhu zvinogara kwenguva refu uye matekinoroji matsva ekugadzirisa zvinhu zvinoramba zvichikurudzira kufambira mberi mukugadzirwa kwecellulose, kuwedzera kushanda zvakanaka, kuderedza kukanganisa kwezvakatipoteredza, uye kuwedzera kushandiswa kunogona kuitwa kwechiwanikwa ichi chinokosha.
Nguva yekutumira: Kubvumbi-06-2024
