Lignite cov ntaub ntawv los ntawm peat uas tsis tau ntsib kev faus tob thiab cua sov. Nws tsim ntawm qhov kub siab tshaj 100 ° C (212 ° F), feem ntau los ntawm biochemical degradation. Qhov no suav nrog kev humification, uas cov kab mob kis tau hydrocarbons los ntawm peat thiab humic acids tsim.
Lignite pom nyob qhov twg?
Lignite suav tias yog muaj nyob nruab nrab. Kwv yees li 7% ntawm cov thee mined hauv Teb Chaws Asmeskas yog lignite. Nws pom feem ntau hauv North Dakota (McLean, Mercer, thiab Oliver counties), Texas, Mississippi (Kemper County) thiab, kom tsawg dua, Montana.
Lignite tsim li cas?
Lignite yog xim av tsaus rau xim dub combustible ntxhia tsim dhau ntau lab xyoo los ntawm ib feem ntawm cov khoom cog qoob loo uas muaj kev kub ntxhov thiab kub hauv qhov cua tsis muaj cua. Hauv cov ntsiab lus yooj yim, lignite yog thee. … Lignite yog siv nyob rau hauv ib puag ncig-lub luag haujlwm los ntawm cov chaw tsim hluav taws xob.
Thaum twg lignite pom?
Lignite, lossis xim av thee, tau pom nyob rau sab hnub tuaj ntawm lub tebchaws Yelemes thaum kawg ntawm lub xyoo pua 18th. Ua ntej nws tau mined nyob rau hauv qhib pits, uas tsim rau hauv me me nyob rau hauv cov mines. Nyob ib ncig ntawm 1900 thawj qhov loj-scale opencast nto mines tau tsim (Pflug 1998).
Lub teb chaws twg yog tus tsim kub tshaj plaws?
1. Tuam Tshoj - 368.3 tonnes. Tau ntau xyoo, Tuam Tshoj tau ua lub teb chaws tsim khoom loj tshaj plaws, suav txog 11 feem pua ntawm ntiaj teb kuvproduction.
