Page 186 - 《精细化工》2022年第7期

·1472· 精细化工 FINE CHEMICALS 第 39 卷

University (南京农业大学学报), 2019, 42(2): 300-307.
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图 13 溶液初始 pH 对 AC-Mg 去除氨氮的影响 报), 2021, 36(9): 113-117.
Fig. 13 Effect of initial pH of solution on ammonia nitrogen [10] WANG W H (王文华), ZHANG X Q (张晓青), QIU J Q (邱金泉), et al.
removal by AC-Mg Treatment of low-concentration ammonia nitrogen-contaminated
seawater by magnesium ammonium phosphate (MAP) precipitation
method[J]. Chemical Progress (化工进展), 2014, 33(1): 228-232, 252.
3 结论 [11] CHIRAG M, MEHTA C, DAMIEN J, et al. Nucleation and growth
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（1）以活性白土、氯化镁和氢氧化钠为原料， 2890-2900.
[12] HE Y H (何云华), LI H (李航), LIU X M (刘新敏), et al. Study on
通过复合改性制得载镁活性白土。将活性白土表面 ion specificity of ion exchange balance in natural zeolite[J].
氧化镁负载量为 0.85%的 AC-Mg 作为高效吸附剂， Environmental Science (环境科学), 2015, 36(3): 1027-1036.
[13] LI S S, ZENG W, XU H H, et al. Performance investigation of
负载的氧化镁空间群为 Fm-3m（225），属于面心立 struvite high-efficiency precipitation from wastewater using silicon-
方结构。AC-Mg 比表面积、孔径和孔容分别为 doped magnesium oxide[J]. Environmental Science and Pollution
Research International, 2020, 27(13): 15463-15474.
3
2
66.17 m /g、3.83 nm 和 0.33 cm /g，相比活性白土分 [14] YU Y (于洋), JI F (纪峰), WANG L Y (王龙岩), et al. Experimental
别扩大 2.08、1.56 和 2.75 倍。 study on the determination of influencing factors of ammonia
nitrogen in water by colorimetry of Nashrie reagent[J]. China Water
（2）在氨氮质量浓度为 60 mg/L，AC-Mg 投加
& Wastewater (中国给水排水), 2017, 33(12): 119-122.
量为 5 g/L，磷源质量浓度为 60 mg/L，温度为 25 ℃， [15] WANG K, ZHAO J, LI H, et al. Removal of cadmium (Ⅱ ) from
pH 为 9.0 条件下，反应 2.5 h 可达到去除平衡，AC-Mg aqueous solution by granular activated carbon supported magnesium
hydroxide[J]. Journal of the Taiwan Institute of Chemical Engineers,
对氨氮的去除量为 6.79 mg/g，去除率为 56.58%。 2016, 61: 287-291.
AC-Mg 去除低浓度氨氮的过程符合准二级动力学 [16] HOU C Y (侯晨艳), ZHAO Y (赵英), CHI Y J (迟玉杰). Preparation
of magnesium-laden eggshells and their adsorption properties to
模型，受到表面扩散和内部扩散的共同作用，对氨 phosphate in water bodies[J]. Fine Chemicals (精细化工), 2021, 38
氮的吸附过程符合 Langmuir 等温吸附模型。AC-Mg (10): 2125-2131, 2149.
[17] HUANG H M, LIU J H, ZHANG P, et al. Investigation on the
对氨氮的去除由吸附和磷酸铵镁结晶两种方式组
simultaneous removal of fluoride, ammonia nitrogen and phosphate
成，最大去除量为 37.05 mg/g。其中吸附去除量为 from semiconductor wastewater using chemical precipitation[J].
5.56 mg/g，磷酸铵镁结晶反应去除量为 31.49 mg/g。 Chemical Engineering Journal, 2017, 307: 696-706.
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