Method and equipment for recovering, activating and utilizing carbon dioxide from sugar refinery
A carbon dioxide and sugar factory technology, which is applied in chemical instruments and methods, separation methods, purification using alkaline earth compounds, etc., can solve the problems of lack of clarification effect, large investment in equipment, low utilization rate of carbon dioxide, etc., and achieve high clarification efficiency, Reliable operation and the effect of improving CO2 utilization
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[0040] In order to introduce the present invention in more detail, the present invention will be further described below in conjunction with the accompanying drawings.
[0041] The method for recovering, activating and utilizing carbon dioxide in a sugar factory, the process steps are:
[0042]The first step is to use the carbon dioxide adsorption tower 1 to separate and recover the low-content carbon dioxide in the flue gas of the sugar factory boiler, and then add milk of lime to the carbon dioxide to react to form a calcium carbonate solution. The pH value of the calcium carbonate solution is 7.5-8.5, and then The calcium carbonate solution is filtered with the calcium carbonate filter device 2, and after filtering out impurities and coarse particles, it is placed in the calcium carbonate storage tank 3 for subsequent use.
[0043] The second step is to pass a part of the calcium carbonate solution in the calcium carbonate storage tank 3 to the carbon dioxide generator 6, a...
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