Adsorbent and application thereof to wool dyeing wastewater recycling technology
A technology for dyeing wastewater and adsorbents, which is used in adsorption water/sewage treatment, textile industry wastewater treatment, water pollutants, etc., to achieve the effects of easy treatment, cost reduction, and low operating cost
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Embodiment 1
[0021] Embodiment 1: adopt the mode of operation in the summary of the invention (2), adsorbent A and 35 mesh activated carbons, adsorbent quality 1g, adsorbate initial concentration 0.2mol / L, under the condition of temperature 30 ℃, time 30 minutes, to acetic acid, Formic acid, sulfuric acid, oxalic acid, and citric acid were adsorbed, and the results are shown in Table 1.
[0022] Table 1 Adsorption of acid by adsorbent A and 35 mesh activated carbon
[0023]
Embodiment 2
[0024] Embodiment 2: adopt the mode of operation in the content of the invention (2), adsorbent B and 120 mesh activated carbon, adsorbent quality 1g, adsorbate initial concentration 0.2mol / L, under the condition of temperature 30 ℃, time 30 minutes, to acetic acid, Formic acid, sulfuric acid, oxalic acid, and citric acid were adsorbed, and the results are shown in Table 2.
[0025] Table 2 Adsorption of acid by adsorbent B and 120 mesh activated carbon
[0026]
Embodiment 3
[0027] Embodiment 3: Adopt the mode of operation in the summary of the invention (2), adsorbent A, adsorbent mass 50g, initial concentration of adsorbate 0.4mol / L, under the condition of temperature 30 ℃, time 30 minutes, adsorbent A to acetic acid The adsorption capacity is 143 mg / g, the adsorption capacity for formic acid is 125 mg / g, the adsorption capacity for sulfuric acid is 154 mg / g, the adsorption capacity for oxalic acid is 108 mg / g, and the adsorption capacity for citric acid is 200 mg / g.
[0028] The data of embodiment 1-2 shows: adsorbent A and B are to the adsorption capacity of above-mentioned several acids greater than 50%-400% of the adsorption capacity of activated carbon to corresponding acid; High-quality adsorbents readily available at low cost.
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