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高级氧化技术 —— 超声技术 (Technology of Supersonic) PowerPoint PPT Presentation


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高级氧化技术 —— 超声技术 (Technology of Supersonic). 目录. 超声氧化技术简介 超声氧化技术机理 超声氧化技术的影响因素 单一超声氧化技术在废水处理中的应用 US 联用高级氧化技术在废水中的应用 总结. 什么叫超声波?. 次声波(频率 < 16 HZ ). 声波( 16 HZ < 频率 < 20000 HZ ). 超声波( 50 MHZ> 频率 > 20000 HZ ). 微波超声(频率 > 50M HZ ). 超声波是如何工作?. 机械振动式超声波发生器. 电磁式超声波发生器. 超声波是如何工作的 ?.

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高级氧化技术 —— 超声技术 (Technology of Supersonic)

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(Technology of Supersonic)


  • US

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<16HZ

16HZ <<20000HZ

50MHZ>>20000HZ

> 50MHZ

wu


wu


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1895, ThormycroftBarnaby

1927,RechardsLoomis

1950,NoltingkNeppiras

1982,Milino(ESR)

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  • 1.

P

P

P0

P0

P0

P=Pus-P0

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  • ()()

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2.

P=Pus-P0

P=0Pus=P0

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  • 1.

  • 2.

  • 3.

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1./

  • 16kHz

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wu


  • ,

P+US

P+US

P+US

P+US

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2

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NolfingkNeppiras

(1)

P

P

P

r

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(2)min

max

min

Pg

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  • 550050662101325kPa

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2.

  • (550050662101325kPa) H2O(O-H500kJ/mol)H OHH2O2

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2 +

+ 2

+ 2 2

2 + 2 22 + 2

+ 2

2 + 2

+ 22 2 +

+ 22 2 + 2

+ 22 2 + 2

+ 2 2 +

wu


2 2

+ +

+ 2

+ 2 +

22 + 22 2 + 3

+

+ 2 + 2

2 + +

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2 2

+ 2 +

+ 2 +

+ 2 + 2

+ 22 + 2

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+ 1()

+ 2

+ 2 3

+ 4

5

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3.

  • 37420107Pa

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OH

OH

OH

H2O2

H2O2

H2O2

H2O2

OH

H2O2

OH

wu


  • 1.

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  • 2.

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wu


1.

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2.

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2.

  • 1.Pa

  • 2.

  • 3.

wu


pH

wu


1.

  • Nolfingk Neppiras

(Pmax)

(Tmax)

wu


1.

  • rTmaxPmax

wu


1.

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2.pH

  • pH

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pH

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3.

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4.

  • ()

  • TmaxPmax()

wu


5.

  • NolfingkNeppirasPg,PmaxTmax

wu


6.

wu


MW/105

MW/105

27oC

27oC

-20oC

-20oC

/min

/min

6.

wu


7.

wu


8.

  • 1.

  • kHz

wu


8.

  • 2.

  • 10-30(10-30mm)

wu


8.

  • 3.

wu


1.CS2

CS2OCSH2S,CS2

wu


1.CS2

H2O2

H2O OH + H

OH + OH H2O2

O2+ H HO2

HO2 + H H2O2

HO2 + HO2 H2O2 + O2

wu


2.

1

2

3

wu


3.

  • 20CODTOC

wu


4.

,

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5.

,f=20kHZP=0500W5mm1.5cm40mLPH

wu


6.

17cm21cmJmax=0.38W/cm2

wu


7.

1.

2. ,,25mm 61.7%

3. pH ,

4., > Ar > O2 > N2

wu


8.

CODCr 807mg/L pH 8.17 25 0.220 W/cm3 240min , CODCr 76.89 %

wu


-

-

wu


1./(US/O3)

US/O3

wu


wu


  • 0.5mm1cm0.20.3um

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2.(US/UV)

  • 29.4%.

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US/UV

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wu


3./H2O2

(a) probe configuration (b) cup-horn configuration

1generator 2transducer 3probe

4temperature indicator 5water bath

6reaction mixture 7horn

8, 9inlet and outlet of cooling water 10propeller

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  • USH2O26.904

wu


4.US/Fenton

pH46.8140mg/L

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5.

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6.

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7.

wu


wu


Game Over!

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