1. Cov khoom siv sib txawv
Cov ntaub ntawv raw ua rau daim ntawv tso quav tso quav thiab cov ntaub so ntswg sib txawv. Hauv papermaking raw cov ntaub ntawv, thawj pulp yog hais txog cov ntshiab thawj fibers, nrog rau thawj ntoo pulp, xyoob sis plawv hniav, straw pulp, thiab lwm yam. Regenerated pulp, nyob rau hauv sib piv, yog ib tug slurry ua los ntawm cov ntaub ntawv siv, nrog rau cov ntoo recycled, xyoob, nyom pulp, thiab lwm yam. . Kev siv cov pulp tsis tuaj yeem siv tau, thiab cov tawv nqaij nyoos yuav tsum tau siv.
2. Cov qauv kev nyiam huv sib txawv
Cov qauv kev tu cev siv hauv kev tsim cov ntawv tso quav tso quav thiab cov ntaub so ntswg kuj sib txawv, nrog rau cov kev xav tau sib txawv rau cov ntsuas xws li cov av noo, cov ntsiab lus ntawm cov kab mob, thiab kev hloov pauv ntawm fluorescent whitening agents. Nyob rau hauv cov nqe lus ntawm cov kab mob cov ntsiab lus ntawm daim ntawv, ntaub hoob nab yuav tsum muaj tag nrho cov kab mob colony suav tsis pub ntau tshaj 600 ib gram, thaum cov ntaub so ntswg ntawv yuav tsum tau ib tug kab mob colony suav ntawm 200 ib gram.
Muaj qhov sib txawv ntawm daim ntawv tso quav tso quav thiab daim ntaub so ntswg. Vim tias cov ntaub ntawv tso zis tso quav yuav tawg thaum so lub ntsej muag, qhov kev ntxhib los mos yog ntxhib, thiab cov qauv kev nyiam huv tsis nruj li cov ntaub so ntswg, nws raug nquahu kom siv cov ntawv tso quav tso. Cov ntaub so ntswg ntawm lub ntsej muag muaj qee qhov kev ua haujlwm ntawm cov av noo thiab tuaj yeem siv rau lub ntsej muag thiab tes ntxuav tom qab ntub dej. Txawm li cas los xij, nws tsis tsim nyog los hloov daim ntawv tso quav tso quav vim nws tuaj yeem ua rau lub qhov tso quav; Thiab napkins tuaj yeem siv thaum noj mov los so lub qhov ncauj.
