calcine; roast ore; heat to remove volatiles
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesverb
to calcine; to roast (ore); to heat material to a temperature below its melting point to remove volatile substances such as water of crystallization, carbon dioxide, or sulfur trioxide
Technical term used in chemistry, metallurgy, and materials science. The process is commonly used in the production of cement, lime, and various metals.
Shí石
huī灰
shí石
jīng经
guò过
duàn煅
shāo烧
hòu后
biàn变
chéng成
shēng生
shí石
huī灰
。
Limestone turns into quicklime after being calcined.
Zhè这
gè个
gōng工
chǎng厂
měi每
tiān天
duàn煅
shāo烧
dà大
liàng量
de的
kuàng矿
shí石
。
This factory calcines large quantities of ore every day.
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Duàn煅
shāo烧
wēn温
dù度
bì必
xū须
yán严
gé格
kòng控
zhì制
zài在
jiǔ9
bǎi0
dù0
yǐ度
xià以
下
。
The calcination temperature must be strictly controlled below 900 degrees.
Duàn煅
shāo烧
guò过
chéng程
zhōng中
huì会
shì释
fàng放
chū出
èr二
yǎng氧
huà化
tàn碳
。
Carbon dioxide is released during the calcination process.