[1] [1] SOKKER H H, EL-SAWY N M, HASSAN M A, et al. Adsorption of crude oil from aqueous solution by hydrogel of chitosan based polyacrylamide prepared by radiation induced graft polymerization［J］. J Hazard Mater, 2011, 190(1-3): 359-365.

[2] [2] YUE X, LI Z, ZHANG T, et al. Design and fabrication of superwetting fiber-based membranes for oil/water separation applications［J］. Chem Eng J, 2019, 364: 292-309.

[3] [3] QIU F, ZHU X, GUO Q, et al. Fabrication of a novel hierarchical flower-like hollow structure Ag2WO4/WO3 photocatalyst and its enhanced visible-light photocatalytic activity［J］. Powder Technol, 2017, 317: 287-292.

[4] [4] MAHANI A A, MOTAHARI S, MOHEBBI A. Sol-gel derived flexible silica aerogel as selective adsorbent for water decontamination from crude oil［J］. Mar Pollut Bull, 2018, 129(2): 438-447.

[5] [5] SMITHA V S, AZEEZ P M A, WARRIER K G, et al. Transparent and hydrophobic MTMS/GPTMS hybrid aerogel monoliths and coatings by sol-gel method: A viable remedy for oil-spill cleanup［J］. ChemistrySelect, 2018, 3(11): 2989-2997.

[6] [6] GUO X, SHAN J, LAI Z, et al. Facile synthesis of flexible methylsilsesquioxane aerogels with surface modifications for sound- absorbance, fast dye adsorption and oil/water separation［J］. Molecules, 2018, 23(4): 945.

[7] [7] YANG W J, YUEN A C Y, LI A, et al. Recent progress in bio-based aerogel absorbents for oil/water separation［J］. Cellulose, 2019, 26: 6449-6476.

[8] [8] ALYUZ B, VELI S. Kinetics and equilibrium studies for the removal of nickel and zinc from aqueous solutions by ion exchange resins［J］. J Hazard Mater, 2009, 167(1-3): 482-488.

[9] [9] BARAKAT M A. New trends in removing heavy metals from industrial wastewater［J］. Arab J Chem, 2011, 4(4): 361-377.

[10] [10] ZAHED M A, AZIZ H A, ISA M H, et al. Optimal conditions for bioremediation of oily seawater［J］. Bioresour Technol, 2010, 101(24): 9455-9460.

[11] [11] SHI G, HE S, CHEN G, et al. Crayfish shell-based micro-mesoporous activated carbon: Insight into preparation and gaseous benzene adsorption mechanism［J］. Chem Eng J, 2021, 428(2-3): 131148.

[12] [12] CIVIOC R, LATTUADA M, KOEBEL M M, et al. Monolithic resorcinol-formaldehyde alcogels and their corresponding nitrogen-doped activated carbons［J］. J Sol-Gel Sci Technol, 2020, 95(3): 719-732.

[13] [13] HUBER L, HAUSER S B, BRENDL E, et al. The effect of activation time on water sorption behavior of nitrogen-doped, physically activated, monolithic carbon for adsorption cooling［J］. Microporous Mesoporous Mater, 2019, 276: 239-250.

[14] [14] ZHANG Z, SHI G, WANG S, et al. Thermal energy storage cement mortar containing n-octadecane/expanded graphite composite phase change material［J］. Renew Energy, 2013, 50: 670-675.

[15] [15] PARK H S, KWAK S H, MAHARDIKA D, et al. Mixed metal oxide coated polymer beads for enhanced phosphorus removal from membrane bioreactor effluents［J］. Chem Eng J, 2017, 319: 240-247.

[16] [16] VAREDA J P, DURES L. Efficient adsorption of multiple heavy metals with tailored silica aerogel-like materials［J］. Environ Technol, 2019, 40(4): 529-541.

[17] [17] WANG Y, WANG H, PENG H, et al. Dye adsorption from aqueous solution by cellulose/chitosan composite: Equilibrium, kinetics, and thermodynamics［J］. Fiber Polym, 2018, 19(2): 340-349.

[18] [18] LI Y, ZHU L, GRISHKEWICH N, et al. CO2-responsive cellulose nanofibers aerogels for switchable oil-water separation［J］. ACS Appl Mater Inter, 2019, 11(9): 9367-9373.

[19] [19] AEGERTER M A, LEVENTIS N, KOEBEL M M. Aerogels Handbook［M］. New York, NY: Springer New York, 2011.

[20] [20] LI Z, HUANG S, SHI L, et al. Reducing the flammability of hydrophobic silica aerogels by doping with hydroxides［J］. J Hazard Mater, 2019, 373: 536-546.

[21] [21] LI Z, CHENG X, SHI L, et al. Flammability and oxidation kinetics of hydrophobic silica aerogels［J］. J Hazard Mater, 2016, 320: 350-358.

[22] [22] GURAV J L, RAO A V, NADARGI D Y, et al. Ambient pressure dried TEOS-based silica aerogels: good absorbents of organic liquids ［J］. J Mater Sci, 2010, 45(2): 503-510.

[23] [23] HE S, CHENG X, LI Z, et al. Green and facile synthesis of sponge-reinforced silica aerogel and its pumping application for oil absorption［J］. J Mater Sci, 2016, 51(3): 1292-1301.

[24] [24] HE S, CHEN X. Flexible silica aerogel based on methyltrimethoxysilane with improved mechanical property［J］. J Non-Cryst Solids, 2017, 463: 6-11.

[25] [25] HUANG S, WU X, LI Z, et al. Rapid synthesis and characterization of monolithic ambient pressure dried MTMS aerogels in pure water［J］. J Porous Mat, 2020, 27(4): 1241-1251.

[26] [26] SCHNEIDER C A, RASBAND W S, ELICEIRI K W. NIH Image to ImageJ: 25 years of image analysis［J］. Nat Methods, 2012, 9(7): 671-675.

[27] [27] RAO A P, RAO A V, PAJONK G M. Hydrophobic and physical properties of the two step processed ambient pressure dried silica aerogels with various exchanging solvents［J］. J Sol-Gel Sci Technol, 2005, 36(3): 285-292.

[28] [28] AL-OWEINI R, EL-RASSY H. Synthesis and characterization by FTIR spectroscopy of silica aerogels prepared using several Si(OR)(4) and R’’Si(OR’)(3) precursors［J］. J Mol Struct, 2009, 919(1-3): 140-145.

[29] [29] LI Z, CHENG X, HE S, et al. Characteristics of ambient-pressure-dried aerogels synthesized via different surface modification methods［J］. J Sol-Gel Sci Technol, 2015, 76(1): 138-149.

[30] [30] LUO Y, LI Z, ZHANG W, et al. Rapid synthesis and characterization of ambient pressure dried monolithic silica aerogels in ethanol/water co-solvent system［J］. J Non-Cryst Solids, 2019, 503: 214-223.

[31] [31] WU X, LI Z, JOAO G, et al. Reducing the flammability of hydrophobic silica aerogels by tailored heat treatment［J］. J Nanopart Res, 2020, 22(4): 83.

[32] [32] BHAGAT S D, RAO A V. Surface chemical modification of TEOS based silica aerogels synthesized by two step (acid-base) sol-gel process［J］. Appl Surf Sci, 2006, 252(12): 4289-4297.

[33] [33] MAHADIK D B, RAO A V, PARALE V G, et al. Effect of surface composition and roughness on the apparent surface free energy of silica aerogel materials［J］. Appl Phys Lett, 2011, 99(10): 104104.

[34] [34] WU X, FAN M, SHEN X, et al. Silica aerogels formed from soluble silicates and methyl trimethoxysilane (MTMS) using CO2 gas as a gelation agent［J］. Ceram Int, 2018, 44(1): 821-829.

[35] [35] ROUQUEROL F, ROUQUEROL J, SING K S W, et al. Adsorption by powders and porous solids: principles, methodology and applications ［M］. Second edition. Amsterdam: Elsevier/AP, 2014.

[36] [36] VENKATESWARA RAO A, HEGDE N D, HIRASHIMA H. Absorption and desorption of organic liquids in elastic superhydrophobic silica aerogels［J］. J Colloid Interface Sci, 2007, 305(1): 124-132.

[37] [37] LIN Y F, HSU S H. Solvent-resistant CTAB-modified polymethylsilsesquioxane aerogels for organic solvent and oil adsorption［J］. J Colloid Interface Sci, 2017, 485: 152-158.

[38] [38] YUN S, LUO H, GAO Y. Ambient-pressure drying synthesis of large resorcinol-formaldehyde-reinforced silica aerogels with enhanced mechanical strength and superhydrophobicity［J］. J Mater Chem A, 2014, 2(35): 14542-14549.