Treatment method of biodiesel glycerol distillation high-boiling residues
The invention discloses a treatment method of biodiesel glycerol distillation high-boiling residues, which comprises the following steps: statically mixing the biodiesel glycerol distillation high-boiling residues and hydrochloric acid, then entering an acidification process, layering the mixture af...
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| creator | HUO ZHIQIANG ZHOU JIANTING DONG NING ZHANG XIA XU JIANGHUA DONG CHANGHAO JI GAOFEI |
| description | The invention discloses a treatment method of biodiesel glycerol distillation high-boiling residues, which comprises the following steps: statically mixing the biodiesel glycerol distillation high-boiling residues and hydrochloric acid, then entering an acidification process, layering the mixture after complete acidification reaction, and then carrying out fatty acid separation; settling and washing the fatty acid on the upper layer to obtain a fatty acid product; cooling and crystallizing a water-phase high-boiling-point substance at the lower layer, and obtaining a high-boiling-point substance mother solution and a solid sodium chloride product in a separation process; the high-boiling-point substance mother liquor enters a salting-out process, a salted-out liquid material enters a depolymerization reaction process after heat exchange, polyglycerol is decomposed into glycerol monomers under the catalytic action, and crude glycerol is subjected to decoloration treatment to obtain a glycerol product. Accordin |
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Accordin</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM DETERGENTS ESSENTIAL OILS FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM FATTY ACIDS FROM FATS, OILS OR WAXES FATTY ACIDS THEREFROM INORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFUMES PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS |
| title | Treatment method of biodiesel glycerol distillation high-boiling residues |
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