A method for removing dyestuffs in waste water by using camellia oleifera cake
A technology for camellia cake and wastewater, which is applied in chemical instruments and methods, water/sewage treatment, adsorbed water/sewage treatment, etc., to achieve the effects of low price, abundant sources and simple operation
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Embodiment 1
[0033] The camellia cake that has been washed with distilled water to remove impurities is baked at 100°C for 12 hours, crushed, and sieved to a particle size of 0.3-0.6mm to obtain the camellia cake adsorbent A.
[0034] Get the camellia cake adsorbent A and sodium chloride and add the pH value to be 1, 2, 3, 5, 7, 9, 11 respectively, in the wastewater containing 300mg / L active red 15, wherein, the camellia cake adsorbent A is in the waste water The content is 2g / L, and the mass percentage of sodium chloride is 2%. After stirring or shaking at 20°C for 24 hours, filter and separate, adjust the filtrate to neutral and discharge it, and complete the adsorption of reactive red 15 in wastewater.
[0035] The influence of the initial pH of wastewater on the removal effect of reactive red 15 is as follows: figure 1 shown. Depend on figure 1 It can be seen that pH has a great influence on the removal effect of reactive red 15. When the initial pH value increased from 1 to 5, the ...
Embodiment 2
[0037] The camellia cake that has been washed with distilled water to remove impurities is baked at 100°C for 24 hours, then crushed and sieved to a particle size of 0.3-0.6mm to obtain the camellia cake adsorbent B.
[0038] Get camellia oleifera cake adsorbent B and add pH=1, contain 300mg / L active red 15, in the waste water that the mass percent concentration of sodium chloride is respectively 0%, 2%, 5%, 10%, 20%, 30%, wherein, The content of Camellia Cake Adsorbent B in wastewater is 3g / L. After stirring or shaking at 35°C for 24 hours, filter and separate, adjust the filtrate to neutral and discharge it to complete the adsorption of reactive red 15 in wastewater.
[0039] The influence of sodium chloride concentration on the removal effect of reactive red 15 is as follows figure 2 As shown, it can be seen that with the gradual increase of the mass concentration of sodium chloride, the ability of the camellia cake adsorbent B to adsorb and remove reactive red 15 decrease...
Embodiment 3
[0041] The camellia cake that has been washed with distilled water to remove impurities is baked at 80°C for 24 hours, crushed, and sieved to a particle size of 0.3-0.6mm to obtain the camellia cake adsorbent C.
[0042] Take camellia oleifera cake adsorbent C and add it to pH=1, respectively containing 100, 150, 200, 250, 300mg / L active red 15 in the waste water, wherein, the content of camellia oleifera cake adsorbent C in waste water is 6g / L, under 50 ℃ After stirring or shaking for 24 hours, separate by filtration, adjust the filtrate to neutrality and discharge.
[0043] The effect of the initial concentration of reactive red 15 on the removal effect of reactive red 15 is as follows: image 3 As shown, it can be seen that a considerable proportion of reactive red 15 is removed within the initial 30 minutes, indicating that the method for adsorbing and removing reactive red 15 of the present invention is efficient and rapid. As the initial concentration of Reactive Red 15...
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Abstract
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