湖南省土木建筑学会给排水专业委员会第三十二次学术年会-马军教授ppt

§ ¨%£ Ê £ ý Â ¥ ³ à È å À ï Ô Á ¹ ³
With preoxidation
60
Öи Ï ¤Ò Õ³ Á¹ ï
ßà · ÌË áÑ ÎÔ ¤Ñ õº ¯
40
20
0 0 20 PAC(mg/L) 40 (mg/L) 60 PAC dose 80
Û Ï /L ¹ ÁPAC(mg/l) Â ¶， Í ¿£ Á ¨ mg/L£ § 藻含量：2.5×106¾ 个 pH7.2-7.5, 水温27oC
饮用水厂升级改造与深度处理技术进展
马军 哈尔滨工业大学市政环境工程学院
majunhit@ 13704509628
内容
水质问题 预氧化技术 常规工艺强化技术 臭氧催化氧化技术 过硫酸盐催化氧化技术 膜技术
饮用水水质问题
Water quality problem in urban area
Enhanced removal of algae by permanganate preoxidation
2
Permanganate
ß Ã · Ì Ë á » ×
1.6
concenmtration (μg/L) Algae È â ¶ ü ¸ Î
1.2
ß Ã · Ì Ë á Ñ Î · ´ ¹ Ï Ò § » Á
0.8
Composite permanganate
0.4
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
0 37
84
81
78
75
72
69
66
64
61
58
55
52
49
46
43
40
Wavelength (nm)
¨³ ² ¤£ ¨nm£ §
34
0
Removal of taste and odor by permanganate preoxidation
Ͷ Á ¿ Dosage (K2FeO4, mg/L) Ferrate (K2FeO4, mg/L)
Jiang, Pang, Ma. Environ. Sci & Technol., 2009
Shao and Ma, J Water ST-Aqua, 2010
Shao and Ma, J Water ST-Aqua, 2010
Shao and M J Water ST-
Impact of background constituents
2 2 1.8 1.6
2
2
2
PPC 0mg/L PPC 0.4mg/L PPC 0.5mg/L PPC 0.75mg/L
1 1
Intensity of odour § ¶ £ ¨» ¶ £ á Î Ð
1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 0 0 PAC1min+PPC 0 0 PAC+PPC£ ¨Í ¬ Ê ±£ § 0 0 0 0 PPC1min 0
Industrial wastewater Municipal wastewater
Rain water Agriculture surface runoff
Wastewater from Livestock Earth erosion
Micropollutant
NOMs
Organic micropollutants POPs, EDCs heavy metals
K2FeO4 (mg/L) 10 0 1 5
1
0 20 30 40 50 60 70
0 0 0.5 1
投量 (Al2(SO4)•18H2O,mg/L)
投量 (K2FeO4, mg/L)
Enhanced removal of heavy metals
100
100
80
80
6.98 40 8.94
20
0 0 1 2 3 4 5 6 7
沉后剩余浊度(NTU)
8 6 4 2 0 0
20
30 50
40 60
投量 (K2FeO4 ,(K2FeO4, mg/L) mg/L) Ferrate Dosage (K2FeO4, Ferrate Dosage mg/L)
3 c) b)
0.5
1
15
滤后剩余浊度 (NTU)
滤后色度(CU)
2
Al2(SO4)•18H2O 30 50 40 60
高锰酸盐复合剂强化普通KMnO4对嗅味去除效能 (混凝剂为PACS)
嗅味强度(级 )
2.5 2 1.5 1 0.5 0 KMnO4 FMB
10mg/L 20mg/L
FMD
预氧化技术
—高铁酸盐预氧化
高铁酸盐预氧化除藻
100 80Biblioteka 60 40 20 0 0 20 40 60 80 100
Ê (%) ý  ¥ ³ àÈ åÀ óÔ Áº ³
500
600
Wavelength (nm)
Jiang, Pang, Ma. Environ. Sci. Technol. 2010, 44, 4270-4275
Application:Enhanced removal of algae by permanganate preoxidation
80
Removal of algae (%）
0.20
blank
0.15
Abs
0.10 0.05 0.00 0.20
Mn(III) (235nm)
60μM Mn(III)-pyrophosphate standard
400
500
600
pyrophosphate
0.15
BPA
Abs
0.10 0.05 0.00 0.20
2
3
4
5
6
Time (min)
100 Al2(SO4)•18H2O
滤后总铁浓度 (μ g/L)
c)
沉后剩余总铁浓度 (μg/L)
80
50 70
60 80
60
40
20
0 0 0.5 1 1.5 2 2.5 3
投量(K2FeO4, mg/L)
Ma and Liu, Water Research, 2002
50 d)
50 e)
沉后总锰浓度 (μg/L)
20 a)
投量 (K 2 FeO4 , mg/L) Ferrate Dosage (K2FeO4, mg/L)
1
1.5
2
2.5
3
b)
80
沉后细菌总数 (个/mL)
滤后细菌总数 (个/mL)
Al2(SO4)•18H2O 50 60 70 80
15
Al2(SO4)•18H2O 50 60 80 70
60
K2FeO4 mg/L 0 1 3 5
湖泊水 浊度 10-30NTU；含藻量 8×106-2×107个/升；pH 7.5-7.7.
òË Á á ÁÍ ¶ Á ¿£ ¨mg/L£ ©
Ma and Liu, Water Research, 2002
Effect of ferrate oxidation on cell’structures
N CONH2 carbamazepine
pH=4.0
O R S CH3
pH=5.0
RMSO
C/C0
0.6 0.4 0.2
MnO2 KMnO4 RMSO
●
MnO2/KMnO4
0.0 0 10 20 30 Time (min) 40
50 0
10
20 30 Time (min)
40
50
Identification of manganese intermediates
400 500 600
EDTA
0.15
Abs
0.10 0.05 0.00
Ligands significantly inhibit the disproportionation of Mn(III) into MnO2(i.e., enhance the stability of Mn(III))
400
滤后总锰浓度 (μg/L)
40
Al2(SO4)•18H2O 50 60 80
40 Al2(SO4)•18H2O 30 50 70 20 60 80
30
70
20
10
10
0 0 0.5 1 1.5 2 2.5 3
0 0 0.5
投量 (K2FeO4, mg/L)
100
Ferrate Dosage (K2FeO4, mg/L)
0 A B C D E F G H I
¦ À ´ í ¸ ¤Ò Õ Ì õ » þ
Full scale application of permanganate preoxidation for taste and odor removal (1500000m3/d)
Odor Intensity
3.5 3
H2N●
MnO2 KMnO4 O 20
O
S 4N MnO2/KMnO H O CH 3 40 60 80 100 sulfamethoxazole Time (min) N
pH=5.0 120 140
Cl 60 80 100 120 140 0 triclosan Time (min)
1.0 0.8
氧化有机污染物
Pseudo-Persistent