Surface modified enteromorpha and preparation method as well as application thereof
A technology of surface modification and prolifera, applied in the field of materials and environmental engineering, can solve the problems of alarming economic cost and high price, achieve high promotion and application value, increase adsorption capacity, and enrich raw material resources.
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Embodiment 1
[0029] Preparation method 1 of the hydrophobic and lipophilic surface-modified Enteromorpha:
[0030] 1) Washing treatment: Rinse the Enteromorpha collected by the seaside with tap water 3 times to remove floating impurities therein;
[0031] 2) Soaking and desalting: Soak the washed Enteromorpha in tap water, wherein the weight ratio of Enteromorpha to tap water is 1:100, after soaking for 12 hours, remove Enteromorpha and drain; then place it in a drying box and keep Dry at 50°C for 9 hours;
[0032] 3) the dried algae are placed in 10% C by weight concentration 12 h 25 Cl 3 Soak in the Si-hexane solution for 12 hours, then take it out, place it in a drying oven, and keep the temperature at 50° C. for 5 hours to dry to obtain the surface-modified Enteromorpha enteromorpha.
Embodiment 2
[0034] The preparation method 2 of the hydrophobic and lipophilic surface modified Enteromorpha:
[0035] 1) Washing treatment: wash the Enteromorpha collected by the seaside with tap water 4 times to remove floating impurities therein;
[0036] 2) Soaking and desalting: Soak the cleaned Enteromorpha in tap water, wherein the weight ratio of Enteromorpha to tap water is 1:150, after soaking for 14 hours, remove Enteromorpha and drain; then place it in a drying box for maintenance Dry at 60°C for 11 hours;
[0037] 3) the dried algae body is placed in 10% (weight percent concentration) C 8 h 17 Cl 3 Soak in the Si-hexane solution for 18 hours, then take it out, place it in a drying oven, and keep the temperature at 60° C. for 7 hours to dry to obtain the surface-modified Enteromorpha enteromorpha.
Embodiment 3
[0039] Characterization of the above-mentioned hydrophobic and lipophilic surface-modified Enteromorpha:
[0040] The morphology of fresh Enteromorpha was observed by optical microscope. The surface features of Enteromorpha were further observed by scanning electron microscope (SEM) after drying and spraying platinum. Untreated Enteromorpha and the above-mentioned embodiment are processed through organosilane Morphological characteristics of Enteromorpha as figure 1 As shown, the surface morphology of Enteromorpha treated with organosilanes was significantly changed compared with that of untreated Enteromorpha, and its surface was covered with irregular rough film.
[0041] Energy dispersive X-ray spectroscopy (EDS) was used to measure the energy spectrum of Enteromorpha untreated and treated with organosilane, and the electron beam acceleration voltage used was 20kV. The result is as figure 2 As shown, there was no silicon element on the surface of the untreated Enteromor...
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