·996· 北京科技大学学报 第34卷 35 口张家口硅藻土 张家山硅藻十 50 西临江硅藻土 (b) 0 临江硅藻土 40 20 20 40 50 00 700 300 400 500 600 700 煅烧温度℃ 煅烧温度℃ ☐张家口硅藻土 60 四临江硅藻土 50 0 20 300 4 500600 700未煅烧 煅烧温度℃ 图5临江硅藻土和张家口硅藻土煅烧前后对焦化废水254m(a)和269nm(b)色度以及化学需氧量(c)的去除率 Fig.5 Removal rates of chroma at 254 (a)and 269nm (b)and that of COD (c)in coking wastewater by diatomites from Linjiang and Zhangjiakou before and after calcination 2007,17(3):46) 60 ☐未煅烧临江硅藻土 2]Sari A,Citak D.Tuzen M.Equilibrium,thermodynamic and ki- 50h 四500℃煅烧临江硅藻土 netic studies on adsorption of Sb(IIl)from aqueous solution using 90 low-cost natural diatomite.Chem Eng J,2010,162(2):521 B]Li E,Zeng X Y,Fan Y H.Removal of chromium ion (IIl)from aqueous solution by manganese oxide and microemulsion modified 2 diatomite.Desalination,2009,238(13):158 4] Wu J L,Yang Y S,Lin J H.Advanced tertiary treatment of mu- nicipal wastewater using raw and modified diatomite.J Hazard 初始plH值 4 later,2005,127(13):196 [5]Liu J Q,Wang K,Wang FZ,et al.Comparison among several 图6临江硅藻土煅烧前后对焦化废水中氨氮的去除率 AOPs in the advanced treatment of coking wastewater.Technol Fig.6 Removal rates of ammonia nitrogen in coking wastewater by Water Treat,2009,35(1）:112 Linjiang diatomite before and after calcination (刘金泉，王凯，王发珍，等.几种高级氧化技术在焦化废水深 269nm处色度去除方面以及对COD的去除都优于 度处理中的应用比选.水处理技术，2009,35(1)：112) 6 张家口硅藻土，说明硅藻土中Si0,等无机质对焦化 Xiong W H,Peng J.Development and characterization of ferri- hydrite-modified diatomite as a phosphorus adsorbent.Water Res, 废水的净化起着决定作用. 2008,42(19):4869 (3)临江硅藻土在氨氮的去除方面也表现出优 ] Zhang F J.Processing and Application of Diatomite.Beijing: 异的性能，500℃煅烧的临江硅藻土对氨氮的去除 Chemical Industry Press,2006 率则达到50.4%，证明硅藻土可以作为焦化废水的 (张凤君.硅藻土加工与应用.北京：北京工业出版社，2006) [8]Gao B J,Jiang P F.An F Q,et al.Studies on the adsorption behav- 预处理手段 ior of polyethyleneimine-modified diatomite towards phenol.Acta Polym Sin,2006(1）:70 参考文献 (高保娇，姜鹏飞，安富强，等.聚乙烯亚胺表面改性硅藻土及 [1]Qiao Y M,Ren Y X.Review on the treatment of coking waste wa- 其对苯酚吸附特性的研究.高分子学报，2006(1)：70) ter treatment.J Filtr Sep,2007,17 (3):46 [9]Jiang X H,Yu WX,Cao D W,et al.Feasibility study on applica- (乔元梅，任艳霞.焦化废水处理方法综述。过滤与分离， tion of refined and modified diatomaceous earth to treating munici-北 京 科 技 大 学 学 报 第 34 卷 图 5 临江硅藻土和张家口硅藻土煅烧前后对焦化废水 254 nm ( a) 和 269 nm ( b) 色度以及化学需氧量 ( c) 的去除率 Fig． 5 Removal rates of chroma at 254 ( a) and 269 nm ( b) and that of COD ( c) in coking wastewater by diatomites from Linjiang and Zhangjiakou before and after calcination 图 6 临江硅藻土煅烧前后对焦化废水中氨氮的去除率 Fig． 6 Removal rates of ammonia nitrogen in coking wastewater by Linjiang diatomite before and after calcination 269 nm 处色度去除方面以及对 COD 的去除都优于 张家口硅藻土，说明硅藻土中 SiO2等无机质对焦化 废水的净化起着决定作用． ( 3) 临江硅藻土在氨氮的去除方面也表现出优 异的性能，500 ℃ 煅烧的临江硅藻土对氨氮的去除 率则达到 50. 4% ，证明硅藻土可以作为焦化废水的 预处理手段． 参 考 文 献 ［1］ Qiao Y M，Ren Y X． Review on the treatment of coking waste wa￾ter treatment． J Filtr Sep，2007，17( 3) : 46 ( 乔元梅，任 艳 霞． 焦化废水处理方法综述． 过 滤 与 分 离， 2007，17( 3) : 46) ［2］ Sari A，itak D，Tuzen M． Equilibrium，thermodynamic and ki￾netic studies on adsorption of Sb( III) from aqueous solution using low-cost natural diatomite． Chem Eng J，2010，162( 2) : 521 ［3］ Li E，Zeng X Y，Fan Y H． Removal of chromium ion ( III) from aqueous solution by manganese oxide and microemulsion modified diatomite． Desalination，2009，238( 1-3) : 158 ［4］ Wu J L，Yang Y S，Lin J H． Advanced tertiary treatment of mu￾nicipal wastewater using raw and modified diatomite． J Hazard Mater，2005，127( 1-3) : 196 ［5］ Liu J Q，Wang K，Wang F Z，et al． Comparison among several AOPs in the advanced treatment of coking wastewater． Technol Water Treat，2009，35( 1) : 112 ( 刘金泉，王凯，王发珍，等． 几种高级氧化技术在焦化废水深 度处理中的应用比选． 水处理技术，2009，35( 1) : 112) ［6］ Xiong W H，Peng J． Development and characterization of ferri￾hydrite-modified diatomite as a phosphorus adsorbent． Water Res， 2008，42( 19) : 4869 ［7］ Zhang F J． Processing and Application of Diatomite． Beijing: Chemical Industry Press，2006 ( 张凤君． 硅藻土加工与应用． 北京: 北京工业出版社，2006) ［8］ Gao B J，Jiang P F，An F Q，et al． Studies on the adsorption behav￾ior of polyethyleneimine-modified diatomite towards phenol． Acta Polym Sin，2006( 1) : 70 ( 高保娇，姜鹏飞，安富强，等． 聚乙烯亚胺表面改性硅藻土及 其对苯酚吸附特性的研究． 高分子学报，2006( 1) : 70) ［9］ Jiang X H，Yu W X，Cao D W，et al． Feasibility study on applica￾tion of refined and modified diatomaceous earth to treating munici- ·996·