[1] [1] CUI F J, QIN G X, ZENG H L, et al. Spatial distribution characteristics and pollution assessment of nitrogen, phosphorus and heavy metal in surface sediments of heavily polluted tributaries of Shahe River Basin［J］. Environmental Engineering, 2022, 40(1): 110-116 (in Chinese).

[2] [2] LIU L Y, ZHENG X Q, WEI X C, et al. Excessive application of chemical fertilizer and organophosphorus pesticides induced total phosphorus loss from planting causing surface water eutrophication［J］. Scientific Reports, 2021, 11: 23015.

[3] [3] HWANG S J. Eutrophication and the ecological health risk［J］. International Journal of Environmental Research and Public Health, 2020, 17(17): 6332.

[4] [4] QIAN T T, ONG W S, LU D, et al. A potential phosphorus fertilizer to alleviate the coming “phosphorus crisis”-biochar derived from enhanced biological phosphorus removal sludge［J］. Science of the Total Environment, 2022, 838: 156559.

[5] [5] LV N, LI X F, QI X G, et al. Calcium-modified granular attapulgite removed phosphorus from synthetic wastewater containing low-strength phosphorus［J］. Chemosphere, 2022, 296: 133898.

[6] [6] JI L K. Study on chemical removal of phosphorus from pig manure［D］. Harbin: Harbin Institute of Technology, 2021 (in Chinese).

[7] [7] LIU B H, NAN J, ZU X H, et al. La-based-adsorbents for efficient biological phosphorus treatment of wastewater: synergistically strengthen of chemical and biological removal［J］. Chemosphere, 2020, 255: 127010.

[8] [8] YIN F F, ZHANG Y. Potential impact of diclofenac on biological phosphorus removal and its mechanism analysis［J］. Environmental Engineering, 2018, 36(3): 24-27+32 (in Chinese).

[9] [9] ALI ZAHED M, SALEHI S, TABARI Y, et al. Phosphorus removal and recovery: state of the science and challenges［J］. Environmental Science and Pollution Research, 2022, 29(39): 58561-58589.

[10] [10] HE Z H, CHEN J J, LU J Z, et al. Batch and column adsorption of phosphorus by modified montmorillonite［J］. Applied Sciences, 2022, 12(11): 5703.

[11] [11] DU M, ZHANG Y Y, WANG Z Y, et al. La-doped activated carbon as high-efficiency phosphorus adsorbent: dft exploration of the adsorption mechanism［J］. Separation and Purification Technology, 2022, 298: 121585.

[12] [12] DAI M Y, ZHANG Y D, ZHANG L P, et al. Multipurpose Polysaccharide-based composite hydrogel with magnetic and thermoresponsive properties for phosphorus and enhanced copper (II) removal［J］. Composites Part A: Applied Science and Manufacturing, 2022, 157: 106916.

[13] [13] PARK Y, GORMAN C, FORD E. Lanthanum carbonate nanofibers for phosphorus removal from water［J］. Journal of Materials Science, 2020, 55(12): 5008-5020.

[14] [14] WU Q, TAN M T, CHI D C. Research progress on adsorption of nitrogen and phosphorus by biochar in eutrophic water［J］. Journal of Shenyang Agricultural University, 2022, 53(5): 620-629 (in Chinese).

[15] [15] QIAO W C, BAI H, TANG T H, et al. Recovery and utilization of phosphorus in wastewater by magnetic Fe3O4/Zn-Al-Fe-La layered double hydroxides(LDHs)［J］. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2019, 577: 118-128.

[16] [16] FENG L H, ZHANG Q, JI F Y, et al. Phosphate removal performances of layered double hydroxides (LDH) embedded polyvinyl alcohol/lanthanum alginate hydrogels［J］. Chemical Engineering Journal, 2022, 430: 132754.

[17] [17] LIU S, XIA C, JIANG X Y, et al. Application of fluorine-modified hydrotalcite in sewage deepdephosphorization［J］. Industrial Water & Wastewater, 2021, 52(4): 39-42 (in Chinese).

[18] [18] LIU C, ZHANG M Y, PAN G, et al. Phosphate capture by ultrathin MgAl layered double hydroxide nanoparticles［J］. Applied Clay Science, 2019, 177: 82-90.

[19] [19] MA Y R, SHEN Y J, MENG H B, et al. Development of Mg/La-layered double hydroxide nanocomposites and application of recovered phosphorus from modelled biogas slurry ［J］. Journal of Material Cycles and Waste Management, 2022, 24: 491-505.

[20] [20] XIA W J, GUO L X, YU L Q, et al. Phosphorus removal from diluted wastewaters using a La/C nanocomposite-doped membrane with adsorption-filtration dual functions［J］. Chemical Engineering Journal, 2021, 405: 126924.

[21] [21] KIM T H, LUNDEHJ L, NIELSEN U G. An investigation of the phosphate removal mechanism by MgFe layered double hydroxides［J］. Applied Clay Science, 2020, 189: 105521.

[22] [22] GONG C Y. Study on adsorption of phosphorus by modified Mg-Al layered bimetallic hydroxide［D］. Nanchang: East China Jiaotong University, 2022 (in Chinese).

[23] [23] XIAO Z Y, XIAO Y, XIAO M H, et al. Preparation of magnetic hydrotalcite/biochar composite and its adsorption performance for phosphorus in aqueous solution［J］. Environmental Pollution & Control, 2020, 42(9): 1090-1095+1101 (in Chinese).

[24] [24] CONSTANZE S T, ROLAND B, ANDREAS S, et al. Determination of the phosphorus content in sewage sludge: comparison of different aqua regia digestion methods and ICP-OES, ICP-MS, and photometric determination［J］. Environmental Sciences Europe, 2022, 34(1): 99.

[25] [25] HO Y, MCKAY G. Pseudo-second order model for sorption processes［J］. Process Biochemistry, 1999, 34: 451-465.

[26] [26] SRIVASTAVA V C, MALL I D, MISHRA I M. Adsorption of toxic metal ions onto activated carbon［J］. Chemical Engineering and Processing: Process Intensification, 2008, 47(8): 1269-1280.

[27] [27] LANGMUIR I. The constitution and fundamental properties of solids and liquids. part i. solids［J］. Journal of the American Chemical Society, 1916, 38(11): 2221-2295.

[28] [28] FREUNDLICH H. Kapillarchemie und kolloidchemie［J］. Kolloid-Zeitschrift, 1922, 31(5): 243-246.

[29] [29] QIN Y J, ZHANG X L, LI X H, et al. Study on the performance of phosphate adsorption by MgFe-LDHs modified sludge permeable brick［J］. Environmental Engineering, 2023, 8: 1-12 （in Chinese）.

[30] [30] ZHANG H, LI Y, ZHAO C, et al. Phosphorus removal performance and mechanism of zinc iron hydrotalcite modofied red mud in water［J/OL］. Environmental Engineering, 2023: 1-14. $$2024-01-12$$. http://kns.cnki.net/kcms/detail/11.2097.x.20230414.1844.006.html （in Chinese）.

[31] [31] FU Y L, YAN H L, YAO T Q, et al. The removal efficacy of phosphorus from malodorous black water by modified hydrotalcite［J］. Acta Scientiae Circumstantiae, 2021, 41(10): 4032-4038 (in Chinese).

[32] [32] CUI Y. Study on removal of phosphate from water by layered dihydroxy composite metal oxide［D］. Daqing: Northeast Petroleum University, 2017 (in Chinese).

[33] [33] XU H L. Study on strengthening nitrogen and phosphorus removal by SBR with ZnAl and MgAl hydrotalcites prepared by ball milling［D］. Wuhan: Wuhan University of Technology, 2020 (in Chinese).

[34] [34] LIU T J. Removal of phosphorus and algae from water by Mg-Fe hydrotalcite and its resource utilization［D］. Xiangtan: Xiangtan University, 2019 (in Chinese).

[35] [35] XU Z S, ZHONG Y H, WANG Y H, et al. Removal performance and mechanism of phosphorus by different Fe-based layered double hydroxides［J］. Environmental Science and Pollution Research, 2022, 29(49): 74591-74601.

[36] [36] BOLBOL H, FEKRI M, HEJAZI-MEHRIZI M. Layered double hydroxide-loaded biochar as a sorbent for the removal of aquatic phosphorus: behavior and mechanism insights［J］. Arabian Journal of Geosciences, 2019, 12(16): 1-11.

[37] [37] PENG F, HE P W, LUO Y, et al. Adsorption of phosphate by biomass char deriving from fast pyrolysis of biomass waste［J］. CLEAN-Soil, Air, Water, 2012, 40(5): 493-498.