An organic concrete and its preparation method
A technology of organic coagulation and organic amine, which is applied in the field of organic coagulant and its preparation, can solve the problems of large amount of sludge, unfavorable treatment, large processing load, etc., achieve sufficient polymerization reaction, good coagulation effect, and preparation method simple effect
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Embodiment 1
[0028] The present embodiment provides a kind of preparation method of organic coagulant, it comprises the following steps:
[0029] S1) Add organic amine, absolute ethanol and water into the reaction kettle, stir and mix to obtain mixture I;
[0030] S2) When the temperature in the reactor is raised to 40°C, add epichlorohydrin dropwise into the reaction, and react for 20 minutes;
[0031] S3) The temperature in the reactor is raised to 60° C., and after 10 hours, the modifier is added dropwise to the reactor, and the reaction is continued for 4 hours;
[0032] S4) Add quaternary ammonium salt monomer into the reactor, stir for 15min; then add initiator dropwise into the reactor, and react for 4h to obtain the organic coagulant;
[0033] The mass concentration of organic amine in the mixture I is 10%, the mass concentration of absolute ethanol in the mixture I is 60%, the mass ratio of the organic amine to propylene oxide is 1, and the quaternary ammonium salt The mass rati...
Embodiment 2
[0037] The present embodiment provides a kind of preparation method of organic coagulant, it comprises the following steps:
[0038] S1) Add organic amine, absolute ethanol and water into the reaction kettle, stir and mix to obtain mixture I;
[0039] S2) When the temperature in the reactor is raised to 40°C, add epichlorohydrin dropwise into the reaction, and react for 35 minutes;
[0040] S3) The temperature in the reactor is raised to 80° C., and after 7 hours, the modifier is added dropwise to the reactor, and the reaction is continued for 3 hours;
[0041] S4) Add quaternary ammonium salt monomer into the reactor, stir for 30min; then add initiator dropwise into the reactor, and react for 2.5h to obtain the organic coagulant;
[0042] The mass concentration of organic amine in the mixture I is 20%, the mass concentration of dehydrated alcohol in the mixture I is 65%, the mass ratio of the organic amine to propylene oxide is 1.3, and the quaternary ammonium salt The mass...
Embodiment 3
[0046] The present embodiment provides a kind of preparation method of organic coagulant, it comprises the following steps:
[0047] S1) Add organic amine, absolute ethanol and water into the reaction kettle, stir and mix to obtain mixture I;
[0048] S2) When the temperature in the reactor is raised to 40°C, add epichlorohydrin dropwise into the reaction, and react for 40 minutes;
[0049] S3) The temperature in the reactor is raised to 90° C., and after 5 hours, the modifier is added dropwise to the reactor, and the reaction is continued for 2 hours;
[0050] S4) Add quaternary ammonium salt monomer into the reactor, stir for 35min; then add initiator dropwise into the reactor, and react for 2h to obtain the organic coagulant;
[0051] The mass concentration of organic amine in the mixture I is 25%, the mass concentration of dehydrated alcohol in the mixture I is 80%, the mass ratio of the organic amine to propylene oxide is 1.5, and the quaternary ammonium salt The mass r...
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