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Dr. Doug Rittmann, Water/Wastewater Consultant
Dr. Douglas Rittmann began his consultant work after 31 years experience in various water and wastewater positions as: Water and Wastewater Chemist for 10 years, USEPA Wastewater Operator Instructor for 1 year, Water Plant Superintendent for 2 years, Water Supply Manager for 8 years, and Water Division Manager for 9 years. His bottom to top work experiences have prepared him very well for a successful career as a Water/Wastewater Consultant that began in 2000. mailto: docclo2@mixeddisinfectants.com.
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Consultant Experience Description |
Where | When | Type |
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Advantages of Combined Oxidants in Water Treatment |
Texas AWWA 2011 at Fort Worth, Tx | April, 2011 | Paper Presentation |
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Performed Ozone Residual Study at Jonathan Rogers Water Plant |
El Paso, Texas | 2010 | Report to TCEQ |
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Performed Tracer Studies at Canal Water Plant and Jonathan Rogers Water Plant |
El Paso, Texas | 2009-2010 | Report to TCEQ |
| Impact of Combining Chlorine Dioxide with Chlorine in Minimizing Chlorite and THMs | AWWA Water Quality Technology Conference | Nov., 2009 | Paper Presentation |
| Impact of Combining Chlorine Dioxide with Chlorine in Minimizing Chlorite and THMs | Texas AWWA 2009 | April, 2009 | Paper Presentation |
| Comparison of Chlorite and Chlorate Based Chlorine Dioxide Generation on THMs Formation | AWWA Distribution System Symposium | Sept., 2008 | Paper Presentation |
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Impact of Chlorine Dioxide Preoxidation of Ozone |
International Ozone Association | August, 2007 | Paper Presentation |
| Impact of Chlorine Dioxide Preoxidation of Ozone in Preventing Bromates | AWWA WQTC Proceedings | Nov., 2006 | Paper Presentation |
| Impact of Chlorine Dioxide Preoxidation of Ozone on Bromate Formation | Eka Technical Bulletin | 2005 | Technical Bulletin |
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Performed lab & plant studies of ClO2 as pre-oxidant to ozone for bromate prevention at 60 mgd Water Plant |
El Paso, Texas | 03/05-12/05 |
Design |
| Comparison of Chlorite and Chorate Based Chlorine Dioxide Generation on TTHMs Reduction | Eka Technical Bulletin | Mar., 2005 | Technical Bulletin |
| Seven hour training seminar on Water/Wastewater Treatment sponsored by New Mexico State University, WERC program held in El Paso, Texas | International Conference on the Environment and Human Health | March 30, 2005 |
Seminar Leader |
| Impact of Chlorine Dioxide on TTHMs Reduction | Eka Technical Bulletin | Dec., 2004 | Technical Bulletin |
| Impact of Chlorine Dioxide and Chlorite Byproduct on Iron and Manganese Oxidation | Eka Technical Bulletin | Nov., 2004 | Technical Bulletin |
| Performed 2-Studies at Canal Water Plant to meet TCEQ TOP (Texas Optimization Program) Goals and determine Particle Counts effect on filtration performance | El Paso, Texas | 6/03-9/'03 | Design |
| Advantages of Chlorite Reduction with Ferrous Ion | Technical Bulletin | 2003 | Technical Bulletin |
| Presented Water Treatment Seminars and Performed Plant Evaluations for Eka Chemicals do Brasil | Brazil | 05/03-06/03 | Seminars |
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Prepared Langelier Saturation Index Calculation Report for Nano-filtration Plant at Quintero Golf & Country Club Project. Sub-consultant for CSA Engineering, Inc. |
Phoenix, AZ | 3/03 |
Design |
| Geomin Removal by Powdered Activated Carbon and Ozone by Tarquin, Lair, Rittmann | El Paso, Texas | 2002 | El Paso Water Utilities Report |
| Bromate Control during Ozonation of High Bromide Drinking Water by Tarquin & Rittmann | AWWA WQTC | Nov, 2002 | Paper Presentation |
| Evaluated Chemical Treatment & Sedimentation Processes at Water Plant | El Paso Water Utilities | 10/02 | Design |
| Evaluated Monochloramine Treatment of Asiatic Clams in Raw Water Supply for CSA Engineering Inc. | Phoenix, AZ | 9/02 | Design |
| Impact of Mixing Chlorine with Chlorine Dioxide on TTHMs Formation in Drinking Water by Rittmann, Tarquin | Journal of Water Engineering & Management | Aug.& Sept., 2002 | Paper Publication |
| Prepared Awwarf Grant Application for El Paso Water Utilities | El Paso, Texas | 6/02 | Grant |
| Performed Reclaimed Wastewater Study for Augmenting Water Supply | El Paso, Texas | 5/02 | Reuse |
| Prepared Commercial Car Wash Survey Report for City of El Paso | El Paso, Texas | 3/02 | Study |
| Evaluated World's Largest Water Plant (1 billion GPD process) | Rio de Janeiro, Brazil | 12/01 |
Seminar |
| Consultant for Research Projects & Instructor at University of Texas at El Paso | El Paso, Texas | 6/00-Pres. |
Research |
| Water Festival Coordinator for New Mexico State University (6/01-11/01) (6 month contract) | El Paso, Texas | 11/01 |
Managerial |
| Performed Operational Evaluation at O. B. Curtis Water Plant | Jackson, Miss. | 08/01 |
Report |
| Groundwater Panelist at Water Summit- 2001 hosted by Congressman Reyes | El Paso, Texas | 6/01 |
Seminar |
| Evaluated Water Plant & Two Petro-Chemical Plants | Corpus Christi,Tx | 2/01 |
Report |
| Impact of Ferrous Iron Oxidation by Chlorine and Chlorine Dioxide on THM Formation | El Paso, Texas | 1/01 |
Research |
| Evaluated Water Plants and presented water treatment seminars | Sao Paulo, Brazil | 12/00 |
Seminars |
| Prepared Testing Protocol for Chlorine Dioxide trial at Wastewater Plant | Clearwater, Fl | 10/00 |
Regulatory |
| Impact of Peroxone Treatment on Filter-Aid Polymer and Filter Operation | El Paso, Texas | 2000 | El Paso Water Utilities Report |
| Presented Report on "How Will the El Paso Water Utilities Meet The Proposed Stage 2 Disinfection Byproducts Rule? | El Paso, Texas | 9/00 |
Research |
| Contracted for Algae Prevention Project at Northwest Wastewater Treatment Plant | El Paso, Texas | 9/00 |
Research |
| Performed M&O Evaluation of Alexandria Water General Authority (AWGA) for Montgomery Watson Consultant Engineers | Alexandria, Egypt | 1/00 |
Report |
| Performed Plant Optimization Study of International Paper Water Plant Process | Texarkana, Tx | 11/99 |
Report |
| Generating Chlorine Dioxide Gas: Chlorate vs. Chlorite by Rittmann and Tinney | Journal of Water Engineering & Management | Sept., 1998 |
Paper Publication |
| Feasibility Study of Treating Rio Grande River Return Flow | El Paso, Texas | 5/98 | |
| Chlorine Dioxide Presentation to USEPA for Eka SVP-Pure Chlorine Dioxide Generator approval | Washington D.C | 1/98 |
Report |
| Pilot-Tested Prototype Eka SVP-Pure Chlorine Dioxide Generator w/TNRCC approval | El Paso, Tx | 10/97 |
Research |
| Can You Have Your Cake and Eat It Too with Chlorine Dioxide | Journal of Water Engineering & Management | April, 1997 | Paper Publication |
| Lab and Plant Scale Evaluation of ClO2 for THM Control by Tarquin and Rittmann | Texas Water 1995 | Jan, 1995 | Paper Presentation |
| Reduction of Chlorite Concentrations in Potable Water with Ferrous Chloride by Tarquin, Hansel, and Rittmann | Journal of Water Engineering & Management | Feb., 1995 | Paper Publication |
| Use of Chlorine Dioxide for Disinfection and Taste and Odor Control by Tarquin and Rittmann | Journal of Public Works | Feb., 1993 | Paper Publication |
| Can Chlorine Dioxide and Activated Carbon Control THM? by Tarquin and Rittmann | Journal of Water Engineering and Management | June, 1992 | Paper Publication |
| Cost Savings Through Chemical Addition Sequencing by Tarquin and Rittmann | Journal of Public Works | June, 1990 | Paper Publication |
| Water Plant Optimizes Coagulant Dosage by Tarquin, Tsimis, and Rittmann | Journal of Water Engineering and Management | May, 1989 | Paper Publication |
| Cost Effectiveness of Aeration and Sludge Recirculation in Water Treatment by Tarquin, Goodwin, and Rittmann | Journal of Water Engineering and Management | 1984 | Paper Publication |
Page Last Revised on 05/14/2011