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Wastewater Management and Treatment in Urban and Rural Areas in Mexico Gabriela E. Moeller Chávez.

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Presentation on theme: "Wastewater Management and Treatment in Urban and Rural Areas in Mexico Gabriela E. Moeller Chávez."— Presentation transcript:

1 Wastewater Management and Treatment in Urban and Rural Areas in Mexico Gabriela E. Moeller Chávez

2 Content Mexican Institute of Water Technology Water availability in the World and Mexico Mexico: the contrasts Main water uses in Mexico and its problems Wastewater treatment in Mexico: Technological alternatives A successful collaboration

3 Creation The Mexican Institute of Water Technology (IMTA) was created by presidential decree in 1986, as an autonomous public organization linked to the former Ministry of Agriculture and Water Resources (SARH) with the main objective of: “ developing technology and training the necessary qualified human resources in order to ensure the rational utilization and integrated management of water resources”. Since 2001 IMTA is a state-owned organization, with its own legal personality and assets, and coordinated by the Ministry of Environment and Natural Resources (SEMARNAT).

4 To produce and disseminate knowledge and technology to reach the sustainable management of hydraulics resources in Mexico Mission Vision To be an innovative institution, with excelency and efficiency, respectable and recognized because of its usefullness and recognized because of its uselfull solutions and impacts in the water sector

5 Technical Areas - Hydraulics - Hydrology - Water Quality and Treatment - Irrigation and Drainage - Communication, Participation and Information - Professional and Institutional Development GENERAL DIRECTOR

6

7 R & D as a decision support system in the water sector 2.-Applied research 3.- Technology development 1.- Basic research 6.- Technological services 5.- Technology transfer 4.- Technology adaptation

8 Human Potential ( 400) Academic degrees Ph degrees Masters degree Professional degrees Technicians

9 Hydraulics Hydrology Water Quality Municipal Wastewater Treatment Industrial Wastewater Treatment Drinking water. Membrane Lab Hydrobiology Metheorological sensors calibration Soil Mechanics Isotopic hydrology Hydrogeochemistry Irrigation and Drainage Communication Informatics Infrastructure Fourteen specialized laboratories

10 Human resources Campus Morelos Graduate School of Engineering National Univerity of Mexico (UNAM)

11 Services Certified under the ISO 9001:2000 standard, IMTA's services offer integrated solutions, tailored to specific needs, to a wide client portfolio that includes more than 150 public and private companies, both domestic and foreign, as well as international organizations.

12 Wastewater Management and Treatment in Urban and Rural Areas in Mexico Gabriela E. Moeller Chávez

13 Water availability in the world High Average low

14 Population (Mexico) millions of inhabitants (2010) millions (urban) and millions (rural ) Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA Territorial extension of Mexico squared Km

15 Mexico: the contrasts Mexico: the contrasts Water: Development and availability

16 Inhabitants(Millions) Water availability m 3 /inhab 18,410 13,516 4,841 3,9073, Population evolution and the availability of water in Mexico Challenges

17 11.3% of the total population is scattered in small communities with less than 100 inhabitants Because of geographic situation is very expensive to provide drinking water, sewers and wastewater services for this population ( locations) Mexico: the contrasts Mexico: the contrasts Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA Population distribution by locality size, 2005 Locality size (population) Number of locations Population (million) Percentage of population More than to to to Less than TOTAL

18 Metropolitan areas (2008), Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA Mexico: the contrasts Mexico: the contrasts Valle de Mexico (Mexico City, Hidalgo & State of Mexico ) Guadalajara (Jalisco) Monterrey (Nuevo Leon) Puebla-Tlaxcala (Puebla-Tlaxcala) Toluca (Mexico) 30.4% of the population, (i.e million of inhabitants)

19 Main water uses in Mexico and problems Main water uses in Mexico and problems

20 Monitoring stations in surface water bodies in each BOD category (Situation in 2008) Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA

21 Water Infrastructure dams and reservoirs 6.50 million irrigated hectares 2.74 million technified rain-fed hectares 604 water purification plants in operation 1833 municipal wastewater treatment plants in operation 2082 industrial wastewater treatment plants in operation km of aqueducts Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA

22 Importance of wastewater treatment Population Health: According to statistics from the World Health Organization :According to statistics from the World Health Organization : – 1.8 million people die every year from diarrheal diseases (including cholera) –Approximately, 90% are children under five, mostly in developing countries –88% of diarrheal diseases result from unsafe water supply and poor hygiene and sanitation Environmental improvement of water bodiesEnvironmental improvement of water bodies

23 Rate of flow of municipal wastewater treated, (cubic meters per second, m 3 /s) Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA ¿Does treated wastewater comply with regulations? ¿Is this enough?

24 Source: Inventario nacional de plantas municipales de potabilización y de tratamiento de aguas residuales en operación, 2008, CONAGUA MAJOR PROCESSES IN WASTEWATER TREATMENT FACILITIES (L/S)

25 In 2007, the country’s industries treated 29.9 m 3 /s of industrial wastewater, on 2021 industrial wastewater treatment plants Rate of flow of industrial wastewater treated, (cubic meters per second, m3/s) Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA

26 Types of industrial wastewater treatment, 2008 Source: Estadísticas del Agua en México, 2010th Edition, CONAGUA ¿Does treated wastewater comply with regulations? ¿Is this enough? ¿Which parameters have to be regulated?

27 Technological alternatives (Municipal an Industrial) 1.Activated sludge 2.Stabilization ponds 3.CEPT-Chemically Enhanced Primary Treatment 4.Aerated ponds 5.Biological filters 6.UASB 7.Non-conventional systems (Wetlands, biofiltration systems over organic filtration materials and others) 1.Area required 2.Efficiency required 3.Investment cost 4.O & M requirements 5.O & M costs 6.Power consumption 7.System adaptability 8.Environmental factors 9.Sludge Production Tailored suits

28 Most common problems Lack of sewers to the treatment system Facilities do not operate properly (to Q design,, deficient operation) Not enough budget for operation and maintenance of the facilities Drinking water price cheaper than the cost of the treated wastewater Lack of trained personnel

29  Do we collect 100% of the wastewater generated in the country?  Is it treated 100% of the water that is collected?  The parameters in the standards. Are there enough to preserve the health of people and the health of water bodies?  Does the treated flow comply with regulations?  Are our water bodies classified and the discharges to them meet the conditions marked in the Classification of Water Bodies? Questions?

30 IMTA- CRIQ IMTA- CRIQ A Successfull partnership Identification of the treatment needs in Mexico (Rural areas and small communities) Identification of an appropriate technology in Canada (BIOSOR) Adaptation of the technology to local context : ( Applied research in Mexico ) Lab and bench scale experiments (BIOTROP) and a Technological screen (High school in Cuernavaca) Commercialization of the technology (Transference)

31 Technological Screen Benefits: Environmental education Appropriate wastewater treatment Improvement of environmental conditions and water body quality

32 IMTA-CRIQ BIOTROP Agroindustrial wastes: Wastewater treatment from pork and poultry processing Wastewater treatment from slaughterhouse and meat packing Wastewater treatment from wine and spirits production: tequila production Odour treatment Perspectives

33 Thanks for your attention


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