Method for preparing silicon dioxide from graphene oxide waste liquid
A technology of silica and graphene, which is applied in the fields of silica, silica, energy and wastewater treatment, etc., can solve problems such as difficult to produce economic benefits, low removal efficiency, and many impurities in silica, and achieve waste reuse , environmental protection, good stability
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Embodiment 1
[0039] A kind of method that utilizes graphene oxide waste liquid to prepare silicon dioxide, first the waste liquid that prepares graphene oxide is collected and takes by weighing 500g of this waste liquid that prepares graphene oxide, contains potassium ion, manganese ion, Sulfate ion, hydrogen ion, take by weighing the organic chelating agent 5g that prepares according to above-mentioned method and join in this waste liquid, leave standstill 10 minutes after stirring, make this organic chelating agent fully chelate the manganese ion in waste liquid, Then add 8g sherwood oil, stir, leave standstill, now sherwood oil has fused the organic chelating agent that has chelated manganese ion, has formed organic layer, and all the other waste liquids are inorganic layer, utilize separatory funnel to remove organic layer then, The obtained inorganic layer is the first acidic solution. Compared with the original waste liquid, the first acidic solution has removed part of the manganese ...
Embodiment 2
[0042] A kind of method that utilizes graphene oxide waste liquid to prepare silicon dioxide, first the waste liquid that prepares graphene oxide is collected and takes by weighing 500g of this waste liquid that prepares graphene oxide, contains potassium ion, manganese ion, Sulfate ion, hydrogen ion, take by weighing the organic chelating agent 5g that prepares according to above-mentioned method and join in this waste liquid, leave standstill 10 minutes after stirring, make this organic chelating agent fully chelate the manganese ion in waste liquid, Then add 8g sherwood oil, stir, leave standstill, now sherwood oil has fused the organic chelating agent that has chelated manganese ion, has formed organic layer, and all the other waste liquids are inorganic layer, utilize separatory funnel to remove organic layer then, The obtained inorganic layer is the first acidic solution. Compared with the original waste liquid, the first acidic solution has removed part of the manganese ...
Embodiment 3
[0045] A kind of method that utilizes graphene oxide waste liquid to prepare silicon dioxide, first the waste liquid that prepares graphene oxide is collected and takes by weighing 500g of this waste liquid that prepares graphene oxide, contains potassium ion, manganese ion, Sulfate ion, hydrogen ion, take by weighing the organic chelating agent 5g that prepares according to above-mentioned method and join in this waste liquid, leave standstill 10 minutes after stirring, make this organic chelating agent fully chelate the manganese ion in waste liquid, Then add 8g sherwood oil, stir, leave standstill, now sherwood oil has fused the organic chelating agent that has chelated manganese ion, has formed organic layer, and all the other waste liquids are inorganic layer, utilize separatory funnel to remove organic layer then, The obtained inorganic layer is the first acidic solution. Compared with the original waste liquid, the first acidic solution has removed part of the manganese ...
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