Method and device for preparing activated carbon by treating distillers' grains of white spirit with supercritical or subcritical water

Method and device for preparing activated carbon by treating distillers' grains of white spirit with supercritical or subcritical water

The invention discloses a method and device for preparing activated carbon by treating distillers' grains of white spirit with supercritical or subcritical water. A 10 to 15 g of distillers' grain rawmaterial sieved by a 100-mesh sieve (150 mum) and weighed is placed in a reactor, and deio...

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Hauptverfasser: HU JIANSHUI, WANG QI, ZHANG XIAOJUAN, ZHI CUIMEI
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Sprache:chi ; eng
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator HU JIANSHUI
WANG QI
ZHANG XIAOJUAN
ZHI CUIMEI
description The invention discloses a method and device for preparing activated carbon by treating distillers' grains of white spirit with supercritical or subcritical water. A 10 to 15 g of distillers' grain rawmaterial sieved by a 100-mesh sieve (150 mum) and weighed is placed in a reactor, and deionized water is filled into a water storage tank; after installation of an experimental device is completed, ahigh-pressure pump is opened; the deionized water is input into a reaction device; a needle valve is closed after water flows out of a water outlet of the device; a back pressure valve is opened to boost to carry out leakage checking, and operation is kept for 20 to 30 min; a pressure is relieved after leakage checking is completed; condensate water is opened, warming is started, and a constant temperature is kept after a set temperature is reached; then boosting is carried out to form water in a supercritical or subcritical state to react with the distillers' grains; after a reaction is completed, the pressure is rel
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title Method and device for preparing activated carbon by treating distillers' grains of white spirit with supercritical or subcritical water
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