一条卷发
发表于 2025-3-25 04:09:20
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发芽
发表于 2025-3-25 08:26:45
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Incommensurate
发表于 2025-3-25 12:37:03
Techniques for Recovering Commercial Products from Pyrolysis Oil,The off-gas leaving the retort or converter is at a temperature of 280° to 300° C. It contains the pyrolysis oil vapours and the uncondensable residual gas which is often referred to as heating gas.
命令变成大炮
发表于 2025-3-25 19:16:28
Charcoal Briquettes and Activated Charcoal Manufacturing,There is always a need to make charcoal more convenient in use, and special industrial applications require charcoal in agglomerated shapes. For this purpose, several techniques are available to the charcoal producer: extrusion, pelletizinq and briquetting.
morale
发表于 2025-3-25 23:05:53
Safety Precautions and Environmental Considerations,Whether charcoal is made in the traditional way or by industrial methods, two hazards are always present: explosions of gases and dust, and fires in the stored charcoal.
印第安人
发表于 2025-3-26 02:23:19
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manifestation
发表于 2025-3-26 06:57:49
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盟军
发表于 2025-3-26 10:40:03
https://doi.org/10.1007/978-3-642-05230-9tainable only by the charring of wood. Although we may never know when man first made charcoal, extensive investigation has proved that in Europe charcoal-making had already become an important industry for the recovery of iron and other metals from their ores around 1100 BC.
抓住他投降
发表于 2025-3-26 15:10:46
Laura Carelli,Cristina Morrone,Mara Zannid and fibre board manufacturing wood prices became unaffordable for the charcoal industry in European countries and the U.S.A. Thus the charcoal-maker turned to other sources like slabs and off-cuts of lumberyards and timber sawmilling, bark and sawdust.
COM
发表于 2025-3-26 16:48:58
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