南四湖水源水基于臭氧氧化的溴酸盐生成及控制研究市政工程专业论文.docxVIP

山东建筑大学硕士学位论文影响，其中长时间吸附时，水中Br能与Br03’产生竞争吸附，使GAC对Br03的吸附量 山东建筑大学硕士学位论文 影响，其中长时间吸附时，水中Br能与Br03’产生竞争吸附，使GAC对Br03的吸附量 下降，且Br_浓度越高，GAC对Br03的吸附量越低。pH值对GAC吸附Br03的影响较 大，低pH值条件下其吸附效果较高pH值条件下好。再者GAC吸附过程中，DOC能与 Br03产生竞争吸附，减少其对Br03的吸附。 关键词：臭氧，南四湖，Br03。，C12-NH3臭氧氧化， 活性炭吸附 万方数据 山东建筑大学硕士学位论文The 山东建筑大学硕士学位论文 The bromate control of Nansi Lake based on ozonation TU Zonghui(Municipal Engineering) Directed by LIU Jianguang professor ABSTRACT Ozone biological activated carbon(03一BAC)as an efficient technology for drinking water treatment is widely used in domestic water plant．But it may produce carcinogenic bromate in ozone oxidation process during the water in the high bromide concentration，which needs to be solved urgently at present．The influence factors of bromate formation in deionized water and Nansi Lake in ozone oxidation process were investigated in the study．And the pathway of bromate formation were proposed in ozone oxidation process．The control mechanism of bromate formation during ozonation of Nansi Lake Water were investigated on the basis of C12-NH3 process．And the treatment effect of activated carbon on bromate generated were investigated．The results showed that It exert a tremendous influence of bromation formation in different water quality,which may inhibit the bromate formation or promote it．And the same kind of material in different concentrations have different effect on bromated formation．Humic acid in water and H202／03 molar ratio has great influence on bromate formation．The results showed that without humic acid，H202 could promote bromate formation during H202／03 molar ratio was less than 5：1， and the promotion effect first increases and then decreases．The value of H202／03 was can most effectively promote the bromate formation．Nevertheless，the value of H202／03 was greater than 6：1，H202 could inhibit the bromated formation．Ozonation alone in the presence of humic acid，It promoted the bromate formation during the concentration of DOC was l mg‘L～．It could inhibit th