Process of preparing filter material for reducing fluoride content and improving water quality
A preparation process and filter material technology, which are applied in the field of filter material preparation technology for reducing fluoride and changing water, can solve the problems of difficulty in effectively achieving the purpose of reducing fluoride and changing water, high process cost, unsatisfactory effect, etc., and are convenient for popularization, application and processing. Simple process, obvious effect
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[0041] The present invention will be further described below in conjunction with embodiment.
[0042] A kind of filter material preparation process that is used to reduce fluoride to improve water, its step is,
[0043] (1) It uses natural zeolite as raw material, after being selected, it is crushed to 5-8 mesh;
[0044] (2) Carry out high-temperature roasting of crushed raw materials at a temperature of 900-1000° C. for 3-4 hours, preferably at a temperature of 950° C. and for 3 hours; carry out high-temperature roasting of selected natural zeolite raw materials , the purpose of which is to remove the organic substances in the pores and channels of the zeolite, etc., and control the roasting conditions and time to maximize the adsorption capacity of the zeolite to water after roasting.
[0045] (3) put into the hydrochloric acid of 30% concentration after being put into after roasting for 18-24 hours, carry out acid treatment, preferably 20 hours; It reaches the following pu...
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