Method for preparing composite sponge capable of absorbing viscous crude oil
A composite sponge and crude oil technology, applied in chemical instruments and methods, alkali metal compounds, adsorbed water/sewage treatment, etc., can solve problems such as easy failure, safety hazards, etc., and achieve low cost, easy operation, and easy popularization and application.
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Embodiment 1
[0033] (1) Add 90 mg of graphene oxide powder to 30 ml of pure water, and use an ultrasonic cell disruptor at 300W for 10 minutes of ultrasound to prepare a 3 mg / ml graphene oxide stock solution;
[0034] (2) Take 4.667ml graphene oxide stock solution, add 9.305ml pure water, 28μL ammonia water and 12.3mg L-ascorbic acid;
[0035] (3) Put the melamine sponge and the above solution into a 20ml hydrothermal reaction kettle for hydrothermal reaction, the hydrothermal reaction temperature is 95°C, and the time is 60min;
[0036] (4) Take out the reacted sponge and dry it at 60° C. for 18 hours to obtain a composite sponge capable of absorbing viscous crude oil.
Embodiment 2
[0038] (1) Add 90 mg of graphene oxide powder to 30 ml of pure water, and use an ultrasonic cell disruptor to ultrasonicate for 30 min at 100 W to prepare a 3 mg / ml graphene oxide stock solution;
[0039] (2) Take 4.667ml graphene oxide stock solution, add 9.305ml pure water, 28μL ammonia water and 12.3mg L-ascorbic acid;
[0040] (3) Put the melamine sponge and the above solution into a 20ml hydrothermal reaction kettle for hydrothermal reaction, the hydrothermal reaction temperature is 95°C, and the time is 60min;
[0041] (4) Take out the reacted sponge and dry it at 60° C. for 18 hours to obtain a composite sponge capable of absorbing viscous crude oil.
Embodiment 3
[0043] (1) Add 90 mg of graphene oxide powder to 30 ml of pure water, and use an ultrasonic cell disruptor at 300W for 10 minutes of ultrasound to prepare a 3 mg / ml graphene oxide stock solution;
[0044] (2) Take 9.333ml graphene oxide stock solution, add 4.639ml pure water, 28μL ammonia water and 12.3mg L-ascorbic acid;
[0045] (3) Put the melamine sponge and the above solution into a 20ml hydrothermal reaction kettle for hydrothermal reaction, the hydrothermal reaction temperature is 95°C, and the time is 60min;
[0046] (4) Take out the reacted sponge and dry it at 60° C. for 18 hours to obtain a composite sponge capable of absorbing viscous crude oil.
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