Raymond D. Letterman: search on Z-Library

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1

Low-Level Turbidity Measurements: A Comparison of Instruments

Letterman, Raymond D., Johnson, Chris E., Viswanathan, Sudhakar

Journal:

Journal - American Water Works Association

Year:

2004

Language:

english

File:

PDF, 234 KB

english, 2004

2

An Analysis of Low-Level Turbidity Measurements

Hart, Vincent S., Johnson, Chris E., Letterman, Raymond D.

Journal:

Journal - American Water Works Association

Year:

1992

Language:

english

File:

PDF, 1.16 MB

english, 1992

3

Contaminants in Polyelectrolytes Used in Water Treatment

Letterman, Raymond D., Pero, Richard W.

Journal:

Journal - American Water Works Association

Year:

1990

File:

PDF, 1.66 MB

1990

4

Factors regulating residual aluminium concentrations in treated waters

Charles T. Driscoll, Raymond D. Letterman

Journal:

Year:

1995

Language:

english

File:

PDF, 1.06 MB

english, 1995

5

Impact of mine drainage on a mountain stream in Pennsylvania

Raymond D. Letterman, William J. Mitsch

Journal:

Environmental Pollution (1970)

Year:

1970

Language:

english

File:

PDF, 984 KB

english, 1970

6

Modeling cadmium and sulfate adsorption by Fe(OH)3SiO2 mixed oxides

Xiaoguang Meng, Raymond D. Letterman

Journal:

Year:

1996

Language:

english

File:

PDF, 790 KB

english, 1996

7

Modeling ion adsorption on aluminum hydroxide-modified silica

Meng, Xiaoguang, Letterman, Raymond D.

Journal:

Environmental Science & Technology

Year:

1993

Language:

english

File:

PDF, 623 KB

english, 1993

8

Influence of Rapid-Mix Parameters on Flocculation

Raymond D. Letterman, J. E. Quon and Robert S. Gemmell

Journal:

American Water Works Association

Year:

1973

Language:

english

File:

PDF, 1.53 MB

english, 1973

9

Filtration/Particle Counting || An Analysis of Low-Level Turbidity Measurements

Vincent S. Hart, Chris E. Johnson and Raymond D. Letterman

Journal:

American Water Works Association

Year:

1992

Language:

english

File:

PDF, 1.18 MB

english, 1992

10

Low-level turbidity measurements: A COMPARISON OF INSTRUMENTS

RAYMOND D. LETTERMAN, CHRIS E. JOHNSON and SUDHAKAR VISWANATHAN

Journal:

American Water Works Association

Year:

2004

Language:

english

File:

PDF, 1.99 MB

english, 2004

11

Modeling the effects of hydrolyzed aluminum and solution chemistry on flocculation kinetics

Letterman, Raymond D., Iyer, Dharmarajan R.

Journal:

Environmental Science & Technology

Year:

1985

Language:

english

File:

PDF, 1.06 MB

english, 1985

12

Effect of component oxide interaction on the adsorption properties of mixed oxides

Meng, Xiaoguang, Letterman, Raymond D.

Journal:

Environmental Science & Technology

Year:

1993

Language:

english

File:

PDF, 2.00 MB

english, 1993

13

Effect of Al(III) and Sulfate Ion on Flocculation Kinetics

Sricharoenchaikit, Prasit, Letterman, Raymond D.

Journal:

Journal of Environmental Engineering

Year:

1987

Language:

english

File:

PDF, 1.07 MB

english, 1987

14

Limestone Contactors: Steady‐State Design Relationships

Letterman, Raymond D., Hadad, Marwan, Driscoll, Charles T.

Journal:

Journal of Environmental Engineering

Year:

1991

Language:

english

File:

PDF, 966 KB

english, 1991

15

Chemistry and Fate of Al(III) in Treated Drinking Water

Driscoll, Charles T., Letterman, Raymond D.

Journal:

Journal of Environmental Engineering

Year:

1988

Language:

english

File:

PDF, 1.11 MB

english, 1988

16

Dissolution of Wollastonite in a Packed Bed Contactor

Anand, Gunwant Singh, Sriram, Anant, Letterman, Raymond D.

Journal:

Journal of Environmental Engineering

Year:

2006

Language:

english

File:

PDF, 376 KB

english, 2006

17

Particle count and on-line turbidity interference from bubble formation

PAOLO SCARDINA, RAYMOND D. LETTERMAN and MARC EDWARDS

Journal:

American Water Works Association

Year:

2006

Language:

english

File:

PDF, 2.45 MB

english, 2006

18

Filtration || An Overview of Filtration

Raymond D. Letterman

Journal:

American Water Works Association

Year:

1987

Language:

english

File:

PDF, 1.76 MB

english, 1987

19

Health and the Water Factor || The Effect of the Bicarbonate Ion Concentration on Flocculation With Aluminum Sulfate

Raymond D. Letterman, Mojdeh Tabatabaie and Ray S. Ames Jr.

Journal:

American Water Works Association

Year:

1979

Language:

english

File:

PDF, 963 KB

english, 1979

20

Updating Physical Facilities || Direct Filtration Using Polyelectrolyte Coagulants

Raymond D. Letterman, Rami Reddy Sama and Edward J. DiDomenico

Journal:

American Water Works Association

Year:

1979

Language:

english

File:

PDF, 1.12 MB

english, 1979

21

Coagulation || Survey of Residual Aluminum in Filtered Water

Raymond D. Letterman and Charles T. Driscoll

Journal:

American Water Works Association

Year:

1988

Language:

english

File:

PDF, 912 KB

english, 1988

22

Filtration || The Effect of Slow Sand Filter Maintenance on Water Quality

Thomas R. Cullen and Raymond D. Letterman

Journal:

American Water Works Association

Year:

1985

Language:

english

File:

PDF, 1.12 MB

english, 1985

23

RISK COMMUNICATION || Contaminants in Polyelectrolytes Used in Water Treatment

Raymond D. Letterman and Richard W. Pero

Journal:

American Water Works Association

Year:

1990

Language:

english

File:

PDF, 2.21 MB

english, 1990

24

COAGULATION OF ACTIVATED CARBON SUSPENSIONS

Raymond D. Letterman, J. E. Quon and Robert S. Gemmell

Journal:

American Water Works Association

Year:

1970

Language:

english

File:

PDF, 1.45 MB

english, 1970

25

Regulatory Update || Discussion: Pilot Testing a Limestone Contactor in British Columbia

Raymond D. Letterman

Journal:

American Water Works Association

Year:

1993

Language:

english

File:

PDF, 861 KB

english, 1993

26

Film Transport Coefficient in Agitated Suspensions of Activated Carbon

Raymond D. Letterman, J. E. Quon and Robert S. Gemmell

Journal:

Journal (Water Pollution Control Federation)

Year:

1974

Language:

english

File:

PDF, 1.39 MB

english, 1974

27

Particle count and online turbidity interference from bubble formation

Scardina, Paolo, Letterman, Raymond D., Edwards, Marc

Journal:

Journal - American Water Works Association

Year:

2006

Language:

english

File:

PDF, 420 KB

english, 2006

28

FURTHER DISCUSSION OF “CONSCIENTIOUS Particle Counting”

Letterman, Raymond D.

Journal:

Journal - American Water Works Association

Year:

2001

Language:

english

File:

PDF, 102 KB

english, 2001

29

COAGULATION OF ACTIVATED CARBON SUSPENSIONS

Letterman, Raymond D., Quon, J. E., Gemmell, Robert S.

Journal:

Journal - American Water Works Association

Year:

1970

Language:

english

File:

PDF, 560 KB

english, 1970

30

Contaminants in Polyelectrolytes Used in Water Treatment

Letterman, Raymond D., Pero, Richard W.

Journal:

Journal - American Water Works Association

Year:

1990

Language:

english

File:

PDF, 1.66 MB

english, 1990

31

Survey of Residual Aluminum in Filtered Water

Letterman, Raymond D., Driscoll, Charles T.

Journal:

Journal - American Water Works Association

Year:

1988

Language:

english

File:

PDF, 773 KB

english, 1988

32

Influence of Rapid-Mix Parameters on Flocculation

Letterman, Raymond D., Quon, J. E., Gemmell, Robert S.

Journal:

Journal - American Water Works Association

Year:

1973

Language:

english

File:

PDF, 1.27 MB

english, 1973

33

The Effect of the Bicarbonate Ion Concentration on Flocculation With Aluminum Sulfate

Letterman, Raymond D., Tabatabaie, Mojdeh, Ames, Ray S.

Journal:

Journal - American Water Works Association

Year:

1979

Language:

english

File:

PDF, 467 KB

english, 1979

34

Direct Filtration Using Polyelectrolyte Coagulants

Letterman, Raymond D., Sama, Rami Reddy, DiDomenico, Edward J.

Journal:

Journal - American Water Works Association

Year:

1979

Language:

english

File:

PDF, 584 KB

english, 1979

35

Survey of Residual Aluminum in Filtered Water

Letterman, Raymond D., Driscoll, Charles T.

Journal:

Journal - American Water Works Association

Year:

1988

File:

PDF, 773 KB

1988

36

The Effect of the Bicarbonate Ion Concentration on Flocculation With Aluminum Sulfate

Letterman, Raymond D., Tabatabaie, Mojdeh, Ames, Ray S.

Journal:

Journal - American Water Works Association

Year:

1979

File:

PDF, 467 KB

1979

37

Influence of Rapid-Mix Parameters on Flocculation

Letterman, Raymond D., Quon, J. E., Gemmell, Robert S.

Journal:

Journal - American Water Works Association

Year:

1973

File:

PDF, 1.27 MB

1973

38

Direct Filtration Using Polyelectrolyte Coagulants

Letterman, Raymond D., Sama, Rami Reddy, DiDomenico, Edward J.

Journal:

Journal - American Water Works Association

Year:

1979

File:

PDF, 584 KB

1979

39

Discussion: Pilot Testing a Limestone Contactor in British Columbia

Letterman, Raymond D.

Journal:

Journal - American Water Works Association

Year:

1993

File:

PDF, 431 KB

1993

40

An Overview of Filtration

Letterman, Raymond D.

Journal:

Journal - American Water Works Association

Year:

1987

Language:

english

File:

PDF, 17.29 MB

english, 1987

41

What Turbidity Measurements Can Tell Us

Letterman, Raymond D.

Journal:

Year:

1994

File:

PDF, 1.13 MB

1994

42

Regs Change Use of Turbidity Measurements

Letterman, Raymond

Journal:

Year:

1994

File:

PDF, 243 KB

1994