煅烧改性净水厂污泥对底泥内源磷释放的控制效果
|
摘要
以自主研发的煅烧改性净水厂污泥(C-WTPS)作为污染底泥活性覆盖材料,室内静态模拟实验研究C-WTPS覆盖强度对控制底泥磷释放效果的影响,分析C-WTPS和底泥中不同形态磷含量变化,探讨C-WTPS薄层覆盖对上覆水体中pH、DO和ORP的影响.结果表明,实验历时40天,在底泥TP释放强度为6.25～10.87 mg/(m~2·d)时,覆盖强度为0.25、0.50、1.00、1.50和2.00 kg/m2的C-WTPS对TP平均削减率分别为59.68%、75.71%、88.75%、92.42%和96.28%,可见覆盖强度为1.00 kg/m~2以上的C-WTPS能控制底泥中90%以上TP释放. C-WTPS吸附的磷主要以无机磷(IP)中的铁铝结合态磷(NAIP)形式存在,有机磷(OP)和钙磷(AP)形式较少. C-WTPS促进了底泥中易释放形态磷迁移到C-WTPS中,并转化较为稳定的形态磷,可见C-WTP覆盖不仅控制了底泥磷释放,而且也削减了底泥磷释放风险. C-WTPS覆盖后,上覆水体中p H开始呈现下降趋势,最终维持在p H=7范围波动; C-WTPS覆盖强度越大,上覆水体pH下降也明显; C-WTPS覆盖改善上覆水体中DO和ORP环境的效果不明显.
In this paper,the self-developed calcined water treatment plant sludge( C-WTPS) was used as an active sediment capping material for contaminated sediments. The static simulation experiment was conducted to study the effect of C-WTPS capping intensity on controlling phosphorus release from the sediment. Changes of phosphorus contents with different forms in the C-WTPS and sediment were analyzed,and the effect of thin-layer capping of C-WTPS on the p H,dissolved oxygen( DO) and oxidation-reduction potential( ORP) in overlying water was also discussed. The results showed that during a 40-day experiment,when the total phosphorus( TP) release intensity of the sediment was 6.25-10.87 mg/( m2·d),the TP average reduction rate of C-WTPS with the capping intensity of 0.25,0.50,1.00,1.50 and 2.00 kg/m~2 were 59.68%,75.71%,88.75%,92.42% and 96.28%,respectively. It means that C-WTPS with a capping intensity over 1.00 kg/m~2 could restrain over 90% TP from releasing. The phosphorus adsorbed by C-WTPS mainly exist in the form of iron-aluminum bounded phosphorus( NAIP) which were included in the inorganic phosphorus( IP),but the forms of organic phosphorus( OP) and calcium phosphate( AP) were less. C-WTPS promoted the migration of phosphorus which were easily released into the C-WTPS and turn it into the relatively stable phosphorus. It showed that the using capping material C-WTPS could not only control the release of phosphorus from the sediment but also reduce the potential risk of phosphorus release. During the process of C-WTPS capping,the p H of the overlying water began to decline at first,and maintained to be around 7 in the end. The higher intensity of capping was used,the lower pH in the overlying water was discovered.Although,the effect of improving the overlying water by using covering material C-WTPS in the DO and ORP were not obvious.
In this paper,the self-developed calcined water treatment plant sludge( C-WTPS) was used as an active sediment capping material for contaminated sediments. The static simulation experiment was conducted to study the effect of C-WTPS capping intensity on controlling phosphorus release from the sediment. Changes of phosphorus contents with different forms in the C-WTPS and sediment were analyzed,and the effect of thin-layer capping of C-WTPS on the p H,dissolved oxygen( DO) and oxidation-reduction potential( ORP) in overlying water was also discussed. The results showed that during a 40-day experiment,when the total phosphorus( TP) release intensity of the sediment was 6.25-10.87 mg/( m2·d),the TP average reduction rate of C-WTPS with the capping intensity of 0.25,0.50,1.00,1.50 and 2.00 kg/m~2 were 59.68%,75.71%,88.75%,92.42% and 96.28%,respectively. It means that C-WTPS with a capping intensity over 1.00 kg/m~2 could restrain over 90% TP from releasing. The phosphorus adsorbed by C-WTPS mainly exist in the form of iron-aluminum bounded phosphorus( NAIP) which were included in the inorganic phosphorus( IP),but the forms of organic phosphorus( OP) and calcium phosphate( AP) were less. C-WTPS promoted the migration of phosphorus which were easily released into the C-WTPS and turn it into the relatively stable phosphorus. It showed that the using capping material C-WTPS could not only control the release of phosphorus from the sediment but also reduce the potential risk of phosphorus release. During the process of C-WTPS capping,the p H of the overlying water began to decline at first,and maintained to be around 7 in the end. The higher intensity of capping was used,the lower pH in the overlying water was discovered.Although,the effect of improving the overlying water by using covering material C-WTPS in the DO and ORP were not obvious.
引文
[1] Lürling M,Mackay E,Reitzel K et al. Editorial—A critical perspective on geo-engineering for eutrophication management in lakes. Water Research,2016,97:1-10.
[2] Lewis WM,Wurtsbaugh WA,Paerl HW. Rationale for control of anthropogenic nitrogen and phosphorus to reduce eutrophication of inland waters. Environmental Science&Technology,2011,45(24):10300-10305.
[3] Spears BM,Maberly SC,Pan G et al. Geo-engineering in lakes:a crisis of confidence? Environmental Science&Technology,2014,48:9977-9979.
[4] Zamparas M,Drosos M,Georgiou Y et al. A novel bentonite-humic acid composite material BephosTMfor removal of phosphate and ammonium from eutrophic waters. Chemical Engineering Journal,2013,225:43-51.
[5] Ding SM,Chen MS,Cui JZ et al. Reactivation of phosphorus in sediments after calcium-rich mineral capping:Implication for revising the laboratory testing scheme for immobilization efficiency. Chemical Engineering Journal,2018,331:720-728.
[6] Douglas GB,Lurling M,Spears BM. Assessment of changes in potential nutrient limitation in an impounded river after application of lanthanum-modified bentonite. Water Research,2016,97:47-54.
[7] Waajen G,Van OF,Douglas G et al. Management of eutrophication in Lake De Kuil(The Netherlands)using combined flocculant-Lanthanum modified bentonite treatment. Water Research,2016,97:83-95.
[8] Ding SM,Sun Q,Chen X et al. Synergistic adsorption of phosphorus by iron in lanthanum modified bentonite(Phoslock):New insight into sediment phosphorus immobilization. Water Research,2018,134:32-43.
[9] Fang L,Liu R,Li J et al. Magnetite/Lanthanum hydroxide for phosphate sequestration and recovery from lake and the attenuation effects of sediment particles. Water Research,2018,130:243-254.
[10] 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. Water Research,2018,137:173-183.
[11] Ippolito JA,Barbarick KA,Elliott HA. Drinking water treatment residuals:a review of recent uses. Journal of Environmental Quality,2011,40:1-12.
[12] Okuda T,Nishijima W,Sugimoto M et al. Removal of coagulant aluminum from water treatment residuals by acid. Water Research,2014,60:75-81.
[13] Li Z,Jiang N,Wu F et al. Experimental investigation of phosphorus adsorption capacity of the waterworks sludges from five cities in China. Ecological Engineering,2013,53:165-172.
[14] Wang C,Liang J,Pei Y et al. A method for determining the treatment dosage of drinking water treatment residuals for effective phosphorus immobilization in sediments. Ecological Engineering,2013,60(11):421-427.
[15] Lin L,Xu X,Papelis C et al. Innovative use of drinking water treatment solids for heavy metals removal from desalination concentrate:synergistic effect of salts and natural organic matter. Chemical Engineering Research&Design,2017,120:231-239.
[16] Punamiya P,Sarkar D,Rakshit S et al. Effectiveness of aluminum-based drinking water treatment residuals as a novel sorbent to remove tetracyclines from aqueous medium. Journal of Environmental Quality,2013,42:1449-1459.
[17] Wang CH,Pei YS. The removal of hydrogen sulfide in solution by ferric and alum water treatment residuals. Chemosphere,2012,88:1178-1183.
[18] Agyin-Birikorang S,O'Connor GA. Lability of drinking water treatment residuals(WTR)immobilized phosphorus:aging and pH effects. Journal of Environmental Quality,2007,36:1076-1085.
[19] Oliver IW,Grant CD,Murray RS. Assessing effects of aerobic and anaerobic conditions on phosphorus sorption and retention capacity of water treatment residuals. Journal of Environmental Management,2011,92:960-966.
[20] Wang CH,Wang ZY,Lin L et al. Effect of low molecular weight organic acids on phosphorus adsorption by ferric-alum water treatment residuals. Journal of Hazardous Materials,2012,203/204:145-150.
[21] Wang CH,Fei CB,Pei YS. Stability of P saturated water treatment residuals under different levels of dissolved oxygen.Clean Soil Air Water,2012,40:844-849.
[22] Huang HS,Yang ZM,Zhou ZM et al. Efficiency of controlling nitrogen and phosphorus release from sediment using thinlayer capping with water treatment plant sludge. Journal of Huaqiao University:Natural Science,2016,37(3):347-351.[黄华山,杨志敏,周真明等.净水厂污泥覆盖控制底泥氮磷释放效果.华侨大学学报:自然版,2016,37(3):347-351.]
[23] Liu QD,Zhou ZM,Zhang HZ et al. Parameter optimization of preparing phosphorus removal material by using calcined water treatment plant sludge. Journal of Huaqiao University:Natural Science,2018,39(1):51-56.[刘啟迪,周真明,张红忠等.煅烧改性净水厂污泥制备除磷材料工艺参数优化.华侨大学学报:自然科学版,2018,39(1):51-56.]
[24] Zhou Z,Liu Q,Li S et al. Characterizing the correlation between dephosphorization and solution pH in a calcined water treatment plant sludge. Environmental Science&Pollution Research,2018,25(19):18510-18518.
[25] Ministry of Environmental Protection of the People's Republic of China,Editorial Board of Water and Wastewater Monitoring and Analysis Methods ed. Water and wastewater monitoring and analysis methods:4th edition. Beijing:China Environmental Science Press,2002.[国家环境保护总局《水和废水监测分析方法》编委会.水和废水监测分析方法:第4版.北京:中国环境科学出版社,2002.]
[26] Ruban V,Lópezsánchez JF,Pardo P et al. Selection and evaluation of sequential extraction procedures for the determination of phosphorus forms in lake sediment. Journal of Environmental Monitoring Jem,1999,1(1):51-56.
[27] González Medeiros JJ,Pérez CB,Fernández GE. Analytical phosphorus fractionation in sewage sludge and sediment samples. Analytical and Bioanalytical Chemistry,2005,381(4):873-878.
[28] Ippolito JA,Barbarick KA,Heil DM et al. Phosphorus retention mechanisms of a water treatment residual. Journal of Environmental Quality,2003,32(5):1857-1864.
[29] Makris KC. Long-term stability of sorbed phosphorus by drinking-water treatment residuals:mechanisms and implications[Dissertation]. Florida:University of Florida,2004.
[30] Al-Tahmazi T,Babatunde AO. Mechanistic study of P retention by dewatered waterworks sludges. Environmental Technology&Innovation,2016,6:38-48.
[31] Yang Y,Zhao YQ,Babatunde AO et al. Characteristics and mechanisms of phosphate adsorption on dewatered alum sludge. Separation&Purification Technology,2006,51(2):193-200.
[32] Liu QD. Study on preparation of water environmental phosphorus removal materials by calcining water treatment plant sludge[Dissertation]. Xiamen:Huaqiao University,2018.[刘啟迪.净水厂污泥煅烧制备水环境除磷材料[学位论文].厦门:华侨大学,2018.]
[33] Hou QJ,Meng PP,Pei HY et al. Phosphorus adsorption characteristics of alum sludge:adsorption capacity and the forms of phosphorus retained in alum sludge. Materials Letters,2018,229:31-35.
[34] Wu YH,Wen YJ,Zhou JX et al. Phosphorus release from lake sediments:effects of pH,temperature and dissolved oxygen. KSCE Journal of Civil Engineering,2014,18(1):323-329.
[35] Li ZR,Sheng YQ,Yang J et al. Phosphorus release from coastal sediments:Impacts of the oxidation-reduction potential and sulfide. Marine Pollution Bulletin,2016,113(1/2):176-181.
[36] Huang TL,Zhou RY,Xia C et al. Effects of oxidation-reduction potential and microorganism on the release of phosphorus from sediments. Environmental Chemistry,2014,33(6):930-936.[黄廷林,周瑞媛,夏超等.氧化还原电位及微生物对水库底泥释磷的影响.环境化学,2014,33(6):930-936.]
[37] Xiang J,Xu LP,Li HP et al. Research on and application of oxidation-reduction potential. Earth and Environment,2014,42(3):430-436.[向交,徐丽萍,李和平等.氧化还原电位的研究及应用.地球与环境,2014,42(3):430-436.]
[2] Lewis WM,Wurtsbaugh WA,Paerl HW. Rationale for control of anthropogenic nitrogen and phosphorus to reduce eutrophication of inland waters. Environmental Science&Technology,2011,45(24):10300-10305.
[3] Spears BM,Maberly SC,Pan G et al. Geo-engineering in lakes:a crisis of confidence? Environmental Science&Technology,2014,48:9977-9979.
[4] Zamparas M,Drosos M,Georgiou Y et al. A novel bentonite-humic acid composite material BephosTMfor removal of phosphate and ammonium from eutrophic waters. Chemical Engineering Journal,2013,225:43-51.
[5] Ding SM,Chen MS,Cui JZ et al. Reactivation of phosphorus in sediments after calcium-rich mineral capping:Implication for revising the laboratory testing scheme for immobilization efficiency. Chemical Engineering Journal,2018,331:720-728.
[6] Douglas GB,Lurling M,Spears BM. Assessment of changes in potential nutrient limitation in an impounded river after application of lanthanum-modified bentonite. Water Research,2016,97:47-54.
[7] Waajen G,Van OF,Douglas G et al. Management of eutrophication in Lake De Kuil(The Netherlands)using combined flocculant-Lanthanum modified bentonite treatment. Water Research,2016,97:83-95.
[8] Ding SM,Sun Q,Chen X et al. Synergistic adsorption of phosphorus by iron in lanthanum modified bentonite(Phoslock):New insight into sediment phosphorus immobilization. Water Research,2018,134:32-43.
[9] Fang L,Liu R,Li J et al. Magnetite/Lanthanum hydroxide for phosphate sequestration and recovery from lake and the attenuation effects of sediment particles. Water Research,2018,130:243-254.
[10] 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. Water Research,2018,137:173-183.
[11] Ippolito JA,Barbarick KA,Elliott HA. Drinking water treatment residuals:a review of recent uses. Journal of Environmental Quality,2011,40:1-12.
[12] Okuda T,Nishijima W,Sugimoto M et al. Removal of coagulant aluminum from water treatment residuals by acid. Water Research,2014,60:75-81.
[13] Li Z,Jiang N,Wu F et al. Experimental investigation of phosphorus adsorption capacity of the waterworks sludges from five cities in China. Ecological Engineering,2013,53:165-172.
[14] Wang C,Liang J,Pei Y et al. A method for determining the treatment dosage of drinking water treatment residuals for effective phosphorus immobilization in sediments. Ecological Engineering,2013,60(11):421-427.
[15] Lin L,Xu X,Papelis C et al. Innovative use of drinking water treatment solids for heavy metals removal from desalination concentrate:synergistic effect of salts and natural organic matter. Chemical Engineering Research&Design,2017,120:231-239.
[16] Punamiya P,Sarkar D,Rakshit S et al. Effectiveness of aluminum-based drinking water treatment residuals as a novel sorbent to remove tetracyclines from aqueous medium. Journal of Environmental Quality,2013,42:1449-1459.
[17] Wang CH,Pei YS. The removal of hydrogen sulfide in solution by ferric and alum water treatment residuals. Chemosphere,2012,88:1178-1183.
[18] Agyin-Birikorang S,O'Connor GA. Lability of drinking water treatment residuals(WTR)immobilized phosphorus:aging and pH effects. Journal of Environmental Quality,2007,36:1076-1085.
[19] Oliver IW,Grant CD,Murray RS. Assessing effects of aerobic and anaerobic conditions on phosphorus sorption and retention capacity of water treatment residuals. Journal of Environmental Management,2011,92:960-966.
[20] Wang CH,Wang ZY,Lin L et al. Effect of low molecular weight organic acids on phosphorus adsorption by ferric-alum water treatment residuals. Journal of Hazardous Materials,2012,203/204:145-150.
[21] Wang CH,Fei CB,Pei YS. Stability of P saturated water treatment residuals under different levels of dissolved oxygen.Clean Soil Air Water,2012,40:844-849.
[22] Huang HS,Yang ZM,Zhou ZM et al. Efficiency of controlling nitrogen and phosphorus release from sediment using thinlayer capping with water treatment plant sludge. Journal of Huaqiao University:Natural Science,2016,37(3):347-351.[黄华山,杨志敏,周真明等.净水厂污泥覆盖控制底泥氮磷释放效果.华侨大学学报:自然版,2016,37(3):347-351.]
[23] Liu QD,Zhou ZM,Zhang HZ et al. Parameter optimization of preparing phosphorus removal material by using calcined water treatment plant sludge. Journal of Huaqiao University:Natural Science,2018,39(1):51-56.[刘啟迪,周真明,张红忠等.煅烧改性净水厂污泥制备除磷材料工艺参数优化.华侨大学学报:自然科学版,2018,39(1):51-56.]
[24] Zhou Z,Liu Q,Li S et al. Characterizing the correlation between dephosphorization and solution pH in a calcined water treatment plant sludge. Environmental Science&Pollution Research,2018,25(19):18510-18518.
[25] Ministry of Environmental Protection of the People's Republic of China,Editorial Board of Water and Wastewater Monitoring and Analysis Methods ed. Water and wastewater monitoring and analysis methods:4th edition. Beijing:China Environmental Science Press,2002.[国家环境保护总局《水和废水监测分析方法》编委会.水和废水监测分析方法:第4版.北京:中国环境科学出版社,2002.]
[26] Ruban V,Lópezsánchez JF,Pardo P et al. Selection and evaluation of sequential extraction procedures for the determination of phosphorus forms in lake sediment. Journal of Environmental Monitoring Jem,1999,1(1):51-56.
[27] González Medeiros JJ,Pérez CB,Fernández GE. Analytical phosphorus fractionation in sewage sludge and sediment samples. Analytical and Bioanalytical Chemistry,2005,381(4):873-878.
[28] Ippolito JA,Barbarick KA,Heil DM et al. Phosphorus retention mechanisms of a water treatment residual. Journal of Environmental Quality,2003,32(5):1857-1864.
[29] Makris KC. Long-term stability of sorbed phosphorus by drinking-water treatment residuals:mechanisms and implications[Dissertation]. Florida:University of Florida,2004.
[30] Al-Tahmazi T,Babatunde AO. Mechanistic study of P retention by dewatered waterworks sludges. Environmental Technology&Innovation,2016,6:38-48.
[31] Yang Y,Zhao YQ,Babatunde AO et al. Characteristics and mechanisms of phosphate adsorption on dewatered alum sludge. Separation&Purification Technology,2006,51(2):193-200.
[32] Liu QD. Study on preparation of water environmental phosphorus removal materials by calcining water treatment plant sludge[Dissertation]. Xiamen:Huaqiao University,2018.[刘啟迪.净水厂污泥煅烧制备水环境除磷材料[学位论文].厦门:华侨大学,2018.]
[33] Hou QJ,Meng PP,Pei HY et al. Phosphorus adsorption characteristics of alum sludge:adsorption capacity and the forms of phosphorus retained in alum sludge. Materials Letters,2018,229:31-35.
[34] Wu YH,Wen YJ,Zhou JX et al. Phosphorus release from lake sediments:effects of pH,temperature and dissolved oxygen. KSCE Journal of Civil Engineering,2014,18(1):323-329.
[35] Li ZR,Sheng YQ,Yang J et al. Phosphorus release from coastal sediments:Impacts of the oxidation-reduction potential and sulfide. Marine Pollution Bulletin,2016,113(1/2):176-181.
[36] Huang TL,Zhou RY,Xia C et al. Effects of oxidation-reduction potential and microorganism on the release of phosphorus from sediments. Environmental Chemistry,2014,33(6):930-936.[黄廷林,周瑞媛,夏超等.氧化还原电位及微生物对水库底泥释磷的影响.环境化学,2014,33(6):930-936.]
[37] Xiang J,Xu LP,Li HP et al. Research on and application of oxidation-reduction potential. Earth and Environment,2014,42(3):430-436.[向交,徐丽萍,李和平等.氧化还原电位的研究及应用.地球与环境,2014,42(3):430-436.]
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |