Cleaning agent for ceramic film and its preparation method
A ceramic membrane and cleaning agent technology, applied in detergent compositions, chemical instruments and methods, surface active detergent compositions, etc., can solve the problems of time-consuming cleaning, membrane fouling, and impact on membrane life, and shorten the cleaning time. time, reduce cleaning frequency, reduce the effect of concentration polarization
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Embodiment 1
[0037] The preferred formula of the cleaning agent of the present invention that is preferentially used for cleaning the ceramic membrane of processing alkali refining waste water is as follows (percentage by weight):
[0038] A. Sodium hydroxide 55%
[0039] B. Sodium polyphosphate 10%
[0040] C. Sodium alkylbenzene sulfonate 12%
[0041] D. Diatomaceous earth 2.5%
[0042] E. Sodium silicate 2%
[0043] F. Sodium sulfate 1%
[0044] G. Sodium carbonate 15%
[0045] H. Hydroxymethylcellulose 2%
[0046] I. Tetrasodium ethylenediaminetetraacetic acid 0.5%
[0047] Preparation method: In a corrosion-resistant reactor with stirring and grinding, sequentially add sodium hydroxide, sodium polyphosphate, sodium alkylbenzene sulfonate, diatomaceous earth, sodium silicate, sodium sulfate, sodium carbonate, hydroxyl Methylcellulose and tetrasodium ethylenediaminetetraacetic acid are stirred at room temperature for 4 to 8 hours, and ground evenly, which is the granular cleaning...
Embodiment 2
[0049] Another preferred formula of the cleaning agent of the present invention that is preferentially used for the cleaning of the ceramic membrane of processing alkali refining waste water is as follows (percentage by weight):
[0050] A. Sodium hydroxide 62%
[0051] B. Sodium polyphosphate 5%
[0052] C. Sodium alkylbenzene sulfonate 12%
[0053] D. Diatomaceous earth 3%
[0054] E. Sodium silicate 3%
[0055] G. Sodium carbonate 15%
[0056] Preparation method: In a corrosion-resistant reactor with stirring and grinding, sequentially add sodium hydroxide, sodium polyphosphate, sodium alkylbenzene sulfonate, diatomaceous earth, sodium silicate and sodium carbonate, and stir at room temperature After 4 to 8 hours, the grinding is uniform, which is the granular cleaning agent of the present invention.
Embodiment 3
[0058] The preferred formula of the cleaning agent of the present invention that is preferentially used for cleaning the ceramic film of the cold-rolled emulsion is as follows (percentage by weight):
[0059] A. Sodium hydroxide 50%
[0060] B. Sodium polyphosphate 12%
[0061] C. Sodium alkylbenzene sulfonate 10%
[0062] D. Diatomaceous earth 6%
[0063] E. Sodium silicate 3%
[0064] F. Sodium sulfate 2%
[0065]G. Sodium carbonate 15%
[0066] H. Hydroxymethylcellulose 2%
[0067] Preparation method: In a corrosion-resistant reactor with stirring and grinding, sequentially add sodium hydroxide, sodium polyphosphate, sodium alkylbenzene sulfonate, diatomaceous earth, sodium silicate, sodium sulfate, sodium carbonate and hydroxyl Methylcellulose, stirred at room temperature for 4 to 8 hours, and ground evenly, is the granular cleaning agent of the present invention.
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