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Ethoxylates of post-treatment process


Adsorption effect of FA1 in Table 2 Table 2 set of adsorbent dosage on the adsorption efficiency of adsorbent synthesis units into silicon cavity A 【203l silica silicate molecular Tao Ai Qing clip attached silicate dosage (g) 2222l22 products steep yellow color cicada cicada yellow orange yellow orange yellow and l play a little cliff the whole clear and transparent transparent transparent transparent} K content of secondary Hun (pDm) g20473} 89110017 from the Table 2, the adsorbent dosage increased 1,7-fold increased nearly 10 times the adsorption effect This shows that the increased use of adsorption Jing great impact on the adsorption of adsorbent dosage increases, but will simply increase costs, waste of energy, while the amount of adsorbent on the adhesion of polyether excessive wastage. Generally should not exceed the amount of 3 to 4. 3.3 improve the process on the effect of increasing the adsorption amount of water and post-processing treatment effect on the adsorption are shown in Table 3. Treatment of the crude product FA450 grams rhyme, FA4 and FA. 1 by the same process has been. Crude light yellow, light transmission 68.5, EK] a 2027ppm,[link widoczny dla zalogowanych], and the first phosphoric acid to pH ≈ 5, so that the natural precipitation, a K content of the supernatant 880ramp. Further post-processing of the serum. Mixed adsorbent A: from the preparation of the magnesium silicate and aluminum silicate. Surfactant industry in 2000 4 Table 3 to improve the effect on the adsorption process aimed Ai mixed together into Asahara Hitomi absorption molecular sieve adsorbent magnesium silicate with silicon with Jing Jing A rejection of the amount of adsorbent B (g) 222 plus water ( m1] 22290 ℃ water,[link widoczny dla zalogowanych], water for 20 minutes Houjia Jia Zhong Lianguang way adsorbent 70 degrees () 928i91, 588.288.599.4K (sec m) l681.2l42.81.4 mixed adsorbent B; from silicon pupil AlO formulated molecular sieve and processed by the above polyether almost colorless, with the addition of Yen 3.4 way of adsorbent on the adsorption effect of color and clarity after the treatment effect difficult to distinguish, so it transmittance said. from the table 3 shows, increasing the amount of water greatly improved the adsorption, the majority reached the following 3ppm water can make the chemical bonding with the ether to K-K hydrolysis down to become a free, beneficial to the adsorption. mixed adsorbent A, B have achieved good results, B due to adding a small amount of zeolite, molecular cavity has a uniform, specific surface area increases, more efficient adsorption and its K-cavity diameter and colored material similar to 0, so the ratio A work better. atlanto 4 adsorption Hui | join the adsorption effect of the color way ring Ai sings with synthetic magnesium silicate molecules of water 90 ℃, 90 ℃ for 20 minutes, add water. 2O minutes, add water, add lg9o'C. 2O minutes, add water, add 9o'C 1g 2O minutes after the feeding mode plus friends with thorns, 40 minutes and then filtered warm thanks} j indiscriminately. 4O minutes after the filter and then with anti-handling 9g Ai 7O minutes 2g leisure-treated 70 minutes with Add lE warm deal with Jing Qu Jing minutes plus treatment with 40 lg dumb distraction Ⅱ water (m1) 2222 with l brightness () 88.28.392:929 K (ppm) 1.42.116.8 ・ lO.2 by the Table 4 shows, to take two steps feeding approach can not improve the absorption effect, and the steps become complicated, extension of time,[link widoczny dla zalogowanych], waste of energy, so the actual production would take the step feeding process mix for 20 minutes after adding 3 to 4 mixed Adsorbent 70 minutes, filter. This method is simple, low cost, easy filtering,[link widoczny dla zalogowanych], without special filtration devices, products of basic colorless, clear and transparent, K is less than 2ppm. 4 Conclusion
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