Lignite feem ntau hu ua "cov thee xim av" vim nws yog xim sib dua dua cov qib siab ntawm cov thee Nws muaj cov ntsiab lus qis tshaj plaws ntawm tag nrho cov thee qib (25% -35%)1 thiab nws muaj cov ntsiab lus noo noo thiab crumbly zoo nkauj. Nws yog siv los tsim hluav taws xob.
Puas yog lignite tib yam li cov thee?
Lignite: Lignite thee, aka brown thee, yog cov qib qis tshaj plaws nrog cov pa roj carbon tsawg tshaj plaws. Lignite muaj cov nqi cua sov tsawg thiab cov dej noo siab thiab yog siv rau hauv kev tsim hluav taws xob.
Puas yog lignite thee phem tshaj?
Lignite yog hom kev mob nkeeg tshaj plaws ntawm cov thee, muab cov pa phem ntau dua los ntawm nws cov combustion. Cov tebchaws nyob sab Europe yog cov neeg tsim khoom loj tshaj plaws thiab cov neeg siv khoom ntawm lignite thee thoob ntiaj teb.
Lignite hloov mus ua thee li cas?
Lignite yog thawj "theem" ntawm cov thee uas tsim tom qab cov av khib nyiab rau saum txheej ntawm peat, uas tau rhuab thiab compressed Vim lignite muaj cov ntsiab lus qis dua thiab muaj tsis tau faus ntev heev, nws tsis muaj lub zog ceev npaum li tawv dub coals.
Puas yog lignite cov thee purest?
Bituminous thee muaj qis feem pua ntawm carbon (45-85%). Lignite muaj cov ntsiab lus carbon tsuas yog 25-35%. Peat muaj cov ntsiab lus carbon tsawg dua 60%. Yog li, daim ntawv ntshiab tshaj plaws ntawm cov thee yog Anthracite.