镧改性膨润土对底泥内源磷控制效果

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Abstract The commercial phosphorus inactivation material-Phoslock® was used to investigate its efficiency for sorption isotherm and kinetics. In addition, the control effects on P concentration in overlying water and sediment internal P release was also investigated. The results indicated that P sorption on Phoslock can be fitted well by Langumiur model with a coefficient of 0.996 and the maximum P sorption capacity was estimated to be 10.6mgP/g. P sorption on phoslock can be fitted well by second-order kinetic model. The results of laboratory incubation indicated that the soluble reactive phosphate in overlying water and sediment internal P release can be reduced by more 90% and 80% respectively with a dosage of 1553g/m³ during seventy day of incubation (17days of aerobic and 53days of anaerobic incubation).Unfortuately, the addition of phoslock can induce an elevation of total nitrogen, ammonium nitrogen and nitrate in overlying water. P fractionation analysis indicated that the addition of phoslock can transform more than 50% of mobile P and Al-P into stable Ca-P and Res-P. The control effects can be increased with the increase of dosage of Phoslock. Overall, the results indicated that Phoslcok can effectively control sediment internal phosphorus loading, but the long-term effects still should be studied further.

Key words： phosphorus inactivation materials lake eutrophication control sediment internal phosphorus mobile phosphorus

Received: 01 June 2020

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X524

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	REN Qi-qi
	TANG Wan-yin
	YIN Peng
	YIN Hong-bin

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REN Qi-qi,TANG Wan-yin,YIN Peng等. The effect of lanthanum modified bentonite on the control of sediment internal phosphorus loading[J]. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(1): 199-206.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2021/V41/I1/199

[1]	金相灿,屠清瑛.湖泊富营养化调查规范(第二版)[M]. 北京:中国环境科学出版社, 1990,30-35. Jin X C, Tu Q Y. Specification for lake eutrophication investigation (Second edition)[M]. Beijing:China Environmental Science Press, 1990:30-35.
[2]	陈镜伊.金属盐改性热处理凹土对水体及底泥磷钝化效果的影响[D]. 南京:南京理工大学, 2018. Chen J Y. Inactivation effects of phosphorus in water and sediment by metal salt modified and thermal treated attapulgite[D]. NanJing:Nanjing University of Science and Technology, 2018.
[3]	Wang L Q, Liang T. Distribution patterns and dynamics of phosphorus forms in the overlying water and sediment of Dongting Lake[J]. Journal of Great Lakes Research, 2016,42(3):565-570.
[4]	Kong M, Yin H B, Wu Y, et al. Influence of thermal treatment on the phosphorus sorption capacity of natural calcium-rich clay minerals[J]. Journal of Environmental Sciences, 2013,33(12):3211-3218.
[5]	Spears B M, Maberly S C, Pan G, et al. Geo-engineering in lakes:A crisis of confidence?[J]. Environmental Science & Technology, 2014, 48(17):9977-9979.
[6]	Lin J, He S, Zhang H, et al. Effect of zirconium-modified zeolite addition on phosphorus mobilization in sediments[J]. Science of the Total Environment, 2019,646(PT.1-1660):144-157.
[7]	Wang Z, Lu S, Wu D, et al. Control of internal phosphorus loading in eutrophic lakes using lanthanum-modified zeolite[J]. Chemical Engineering Journal, 2017,327:505-513.
[8]	Yin H B, Ren C, Li W. Introducing hydrate aluminum into porous thermally-treated calcium-rich attapulgite to enhance its phosphorus sorption capacity for sediment internal loading management[J]. Chemical Engineering Journal, 2018,348:704-712.
[9]	Wang C, Wu Y, Wang Y, et al. Lanthanum-modified drinking water treatment residue for initial rapid and long-term equilibrium phosphorus immobilization to control eutrophication[J]. Water Research, 2018:173-183.
[10]	Douglas G B, Hamilton D P, Robb M S, et al. Guiding principles for the development and application of solid-phase phosphorus adsorbents for freshwater ecosystems[J]. Aquatic Ecology, 2016,50(3):385-405.
[11]	Rydin E, Huser B, Welch E B. Amount of phosphorus inactivated by alum treatments in Washington lakes[J]. Limnology & Oceanography, 2000,45(1):226-230.
[12]	Haghseresht F, Wang S, Do D D. A novel lanthanum-modified bentonite, Phoslock®, for phosphate removal from wastewaters[J]. Applied Clay Science, 2009,46(4):0-375.
[13]	Diego C, Karin F, Marziali, et al. Eutrophication management in surface waters using lanthanum modified bentonite:A review[J]. Water research, 2016:197-203.
[14]	刘新,王秀,赵珍,等.风浪扰动对底泥内源磷钝化效果的影响[J]. 中国环境科学, 2017,37(8):3064-3071. Liu X, Wang X, Zhao Z, et al. Effect of wind and wave disturbance on passivation of internal phosphorus in sediment[J]. 2017,37(8):30643071.
[15]	Reitzel K, Lotter S, Dubke M, et al. Effects of Phoslock treatment and chironomids on the exchange of nutrients between sediment and water[J]. Hydrobiologia, 2013,703(1):189-202.
[16]	国家环保局本书编委会.水和废水监测分析方法[M]. 中国环境科学出版社, 1989:35-40. National Environmental Protection Agency Book Editing Committee. Water and wastewater monitoring and analysis methods[M]. China Environmental Science Press, 1989:35-40.
[17]	Xu D, Wu W, Ding S, et al. A high-resolution dialysis technique for rapid determination of dissolved reactive phosphate and ferrous iron in pore water of sediments[J]. Science of the Total Environment, 2012,421-422:245-252.
[18]	Raymond, Hesslein H. An in situ sampler for close interval pore water studies1[J]. Limnology and Oceanography, 1976,21(6).
[19]	Ding S, Sun Q, Xu D. Development of the DET technique for high-resolution determination of soluble reactive phosphate profiles in sediment pore waters[J]. International journal of Environmental Analytical Chemistry, 2010,90(14/15):1130-1138.
[20]	William J U, Robert C A. Diffusion coefficients in nearshore marine sediments1[J]. Limnology and Oceanography, 1982,35(7).
[21]	Rydin E. Potentially mobile phosphorus in Lake Erken sediment[J]. Water Research, 2000,34(7):2037-2042.
[22]	Yin H B, Du Y, Kong M, et al. Interactions of riverine suspended particulate matter with phosphorus inactivation agents across sediment-water interface and the implications for eutrophic lake restoration[J]. Chemical Engineering Journal, 2017,327:150-161.
[23]	杨秀敏,任广萌,李立新,等.土壤pH值对重金属形态的影响及其相关性研究[J]. 中国矿业, 2017,26(6):79-83. Yang X M, Ren G M, Li L X, et al. Effect of pH value on heavy metals form of soil and their relationship[J]. China Mining Magazine, 2017,26(6):79-83.
[24]	Fuchs E, Funes A, Saar K, et al. Evaluation of dried amorphous ferric hydroxide CFH-12® as agent for binding bioavailable phosphorus in lake sediments[J]. Science of the Total Environment, 2018,628-629:990-996.
[25]	Nürnberg G K, Fischer R, Paterson A M. Reduced phosphorus retention by anoxic bottom sediments after the remediation of an industrial acidified lake area:Indications from P, Al, and Fe sediment fractions[J]. Science of the Total Environment, 2018,626:412-422.
[26]	Hupfer M, Jordan S, Herzog C, et al. Chironomid larvae enhance phosphorus burial in lake sediments:Insights from long-term and short-term experiments[J]. Science of the Total Environment, 2019, 663:254-264.
[27]	Reitzel K, Lotter S, Dubke M, et al. Effects of Phoslock treatment and chironomids on the exchange of nutrients between sediment and water[J]. Hydrobiologia, 2013,703(1):189-202.
[28]	Funes, A, Martinez, et al. Determining major factors controlling phosphorus removal by promising adsorbents used for lake restoration:A linear mixed model approach[J]. Water Research, 2018,141:377386.
[29]	Upreti K, Maiti K, Victor H, et al. Microbial mediated sedimentary phosphorus mobilization in emerging and eroding wetlands of coastal Louisiana[J]. Science of the Total Environment, 2019,651:122-133.
[30]	Huser, Brian J, Egemose, et al. Longevity and effectiveness of aluminum addition to reduce sediment phosphorus release and restore lake water quality[J]. Water Research, 2016,97:122-132.
[31]	Xu R, Zhang M, Robert J G, et al. Enhanced phosphorus locking by novel lanthanum/aluminum-hydroxide composite:Implications for eutrophication control[J]. Environmental Science and Technology, 2017,51(6):3418-3425.