Modification method to make activated carbon fiber water purification material hygienic and safe soaking ph up to standard
An activated carbon fiber and modified technology, which is applied in the purification of drinking water, high temperature heat treatment modified activated carbon fiber, high temperature heat treatment field, can solve the problem of unqualified water purifier sanitation and safety soaking, and achieve the effect of small impact and high removal rate Effect
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Embodiment 1
[0065] Take the activated carbon fiber and rinse it with deionized water for 5 minutes, squeeze it dry, roll it up and place it in the effective heating area of the tube furnace. Set the heating rate of the tube furnace to 10°C / min, use the inert gas as the protective gas, heat it to 850°C (or 800°C) at a flow rate of 150ml / min, and keep it warm at 850°C (or 800°C) (that is, roast )5min. Cool to room temperature in a tube furnace and remove for use.
[0066] The above heat-treated samples were placed in a beaker and rinsed with deionized water for 30 minutes. Place the rinsed sample in a stoppered Erlenmeyer flask, shake and wash with the prepared soaking solution for 3 times, and then add the soaking solution (soaking solution and activated carbon fiber are soaked according to the ratio in the "Hygienic Standard for Drinking Water Quality" (2001)) At the same time, take the soaking solution and add it into a stoppered Erlenmeyer flask without activated carbon fiber as a b...
Embodiment 2
[0075] Take 202mm×550mm activated carbon fiber and wash it with deionized water for 10 minutes, squeeze it dry, roll it up and place it in the effective heating area of the tube furnace. Set the heating rate of the tube furnace to 5°C / min, use inert gas as the protective gas, flow rate is 300ml / min, heat to 800°C (or 850°C), and keep it at 800°C (or 850°C) for 5min. Cool to room temperature in a tube furnace and remove for use.
[0076] Put the heat-treated sample above into the filter element and seal it. Use a pump to draw deionized water at a flow rate of 1.8L / min-2L / min to rinse the filter element. Pump the soaking solution into the filter element at a flow rate of -2L / min. After extracting the soaking solution for 2 minutes, block the water inlet and outlet of the filter element with plugs. Soak in the dark for 24±1h. Then pour out the soaking liquid and measure the pH value of the soaking liquid.
[0077] Table 6 is that activated carbon fiber is packaged into the w...
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