Cov khoom siv raw rau cov ntawv ntim ntawv feem ntau yog cov nroj tsuag fibers, xws li ntoo pulp thiab cov ntawv pov tseg.
Cov txheej txheem tseem ceeb ntawm kev tsim khoom, nyob rau hauv lub hauv paus ntawm pulping thiab papermaking, suav nrog cov ntawv pov tseg, kev tshuaj ntsuam xyuas, purification, concentration, refining, thiab papermaking.
Xyoo 2025, Sun Paper Kev Lag Luam tau txais kev pom zoo los tsim 700,000-tuj- toj ib- xyoo siab- qib ntim ntawv qhov project, siv cov ntawv pov tseg thiab cov ntoo ua lag luam ua cov ntaub ntawv tseem ceeb, thiab siv cov txheej txheem xws li cov ntawv pov tseg, kev tshuaj xyuas, kev ua kom huv, kev ua kom huv, thiab kev ua kom huv. Nyob rau hauv tib lub xyoo, nws 480,000-tuj{11}} ib- xyoo high-grade kua ntim ntawv cov kev txawj tej yam ntxiv peev xwm los ntawm kev tshem tawm lub zog-intensive cov cuab yeej qub thiab ntxiv thiab siv cov cuab yeej tshiab xws li pulpers.
Cov txheej txheem tsim tawm tshiab, xws li pob zeb-raws li cov khoom ntim ib puag ncig, siv calcite (calcium carbonate) ua cov khoom siv tseem ceeb, ua ke nrog zaub mov- qib PP thiab cov khoom ntxiv, thiab yog tsim los ntawm cov txheej txheem ntawm lub cev xws li granulation thiab board ua.
Cov txheej txheem dav dav rau kev tsim cov ntawv ntim khoom los ntawm cov ntawv pov tseg rov ua dua suav nrog plaub kauj ruam: deinking, ntawv fiber ntau purification, concentration, thiab papermaking.
