4. make a pure charcoal although biomass charcoal is made of approximately 400° C temperature, but there is still a high quantity of oil in the ground. When applied to the soil, oil, grilled in oven, charcoal-burning is a chemical compound. Ben Ren (Benzopyrene) fiber solutions and the Ben Shan travel (Dibenzanthracene), which is a carcinogen, it's also a low-quality coals. The following should be baked at a temperature of coals in the range 500 – 600° C for some time to continue to pursue the tar.
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