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semi-coke
semi-coke n. 
/ˈsɛmiˌkoʊk/ a smokeless fuel that leaves little ash, made from coal by carbonization at a low temperature (usually 500–600°C).
Brit. /ˈsɛmɪkəʊk/
, /ˈsɛmɪkəʊk/U.S. /ˈsɛˌmaɪˌkoʊk/
, /ˈsɛˌmaɪˌkoʊk//ˈsɛmiˌkoʊk/ΘΚΠ
society > occupation and work > materials > fuel > coal or types of coal > [noun] > coal-derived fuel
coal ball1603
pipe-coal1612
hotshot1673
hotshoot1704
fireball1735
brickette1806
briquette1884
coal slurry1912
slurry1913
semi-coke1918
Phurnacite1937
syncrude1971
1918 Chem. & Metallurgical Engin. 19 580/1 Charles Howard Smith..proposed to get an intermediate soft 16 to 20 per cent volatile semi-coke.
1972 Harker & Allen Fuel Sci. v. 70 The tar and most of the volatile matter are driven off leaving a material known as ‘semi-coke’.
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