Wastewater Management inDeveloping CountriesDr. Mushtaq Ahmed Memon(mushtaq.memon@unep.or.jp)Programme Officer , UNEP IETC
Overview Paradigm shift and technology needs Assessment of demand Challenges and opportunities UNEP IETC work
Paradigm Shift and Technology Needs20th CENTURY21st w do we get rid of our wastewaterefficiently with minimum damage topublic health and the environment?”“How do we handle wastewaterincluding rainwater to augmentwater supply?”
Water and Sanitation in AsiaSource: .pdf
Water and Sanitation CoverageSource: World Bank 1997
Water Availability and Water Pollution
Reuse, recycle & disposal ESTsquality and treatment issuesevery drop counts1.Domestic rainwater use2.On-site treatment of grey water3.Constructed wetlands4.On-site and near-site treatment of black water and mixedsewage5.Separating rainwater from sewer systems6.Environmentally sound centralized sewage treatment indeveloping countries3. ESTs Reuse
Municipal Wastewater ReuseLow - Cost Wastewater TreatmentIrrigation / naerobicSludgeSludgeBlanketBedMaturation Ponds(in series)Facultative mentReservoirsTreatment athogensremovalremovalIrrigation / ReuseConventional Wastewater TreatmentPreliminaryPrimarySecondaryTertiary / AdvancedIrrigation / ReuseIrrigation / ReuseIrrigation / sActivatedSludgeActivated ProcessingProcessingDisposal / ovalRemovalNitrificationNitrification movalRemovalCarbonAdsorptionCarbon rseOsmosisReverse istillationIonIonExchangeExchange
Wastewater TreatmentWW treatment processesAeratorChlorine TankEqualizationUnitPrimarysedimentation tankTrash screeningAeration tankSecondarySedimentation tankChlorine ifugalThickenerMFiltration TankReuse water treatmentprocessesMReuse watertankFiltrate TankSludge TankTo aeration tankAdding PolymerMMSludge DigestionTankTo centrifugalThickenerPolymer tankSludge ThickernerOdorRemoval UnitSludge Treatment processesFertilizerWater Circulating tankPrimary Composting AreaSecondary CompostingArea
INTERNATIONAL ENVIRONMENTAL TECHNOLOGY CENTRE国際環境技術センター The InternationalEnvironmental TechnologyCentre (IETC) is a branch ofthe Division of Technology,Industry, and Economics(DTIE) and is leading thewaste management portfoliowithin UNEP. UNEP IETC focuses onidentifying and showcasingenvironmentally soundtechnologies (ESTs) andmanagement practices,primarily in relation to waste.UNEP IETC is located inOsaka, Japan.
Wastewater Reuse
Wastewater Reuse Publication 1. Introduction2. Wastewater Reuse as Environmentally Sound Technologies (ESTs)3. Requirements for Wastewater Reuse3-1. Basic Principles of Wastewater Treatment3-2. Public Health Risk Minimization4. Wastewater Reuse Applications4-1. Wastewater Reuse for Agriculture4-2. Wastewater Reuse for Industry4-3. Urban Applications4-4. Wastewater Reuse for Environmental Water Enhancement4-5. Groundwater Recharge5. Key Factors for Establishing Initiatives6. Building Capacity for Water and Wastewater Reuse6-1. Capacity Building: Human Resource Development6-2. Capacity Building: Policy and Legal Framework Development6-3. Capacity Building: Institutional Development and Organizational Management6-4. Capacity Building: Financing6-5. Capacity Building: Raising Public Awareness and Participation7. Moving Forward12
Wise-water & Every Drop Counts
Phyto-technologies
Sustainability Assessment of ionResources/Publications/tabid/56265/Default.aspx
Resource AugmentationDemonstration Project in VietnamCommunityIndustryWater & Energy DemandRainwater HarvestingWasteBiomassCompostWastewater ReuseAgriculture
Project Activities Background Studies & Selection of the IndustrySeptember October 2005 Awareness Raising / Information DisseminationNovember 2005 January 2006 Data collectionJanuary 2006 – March 2006 Identification of ESTs for rainwater harvesting, wastewaterreuse, and compostingJanuary 2006 – April 2006 Designing ESTs for local conditionsJanuary 2006 – June 2006 Implementing project components based on ESTsApril 2006 – February 2007 Collection and disseminations of lessons learned17
International EnvironmentalTechnology Centre2-110 Ryokuchi KoenTsurumi-ku, Osaka 538-0036 JapanTel : 81 (0) 6 6915 4581Fax : 81 (0) 6 6915 0304E-mail : ietc@unep.orgWeb: http://www.unep.org/ietcPartnership,Partnership andPartnershipThank You
Wastewater Reuse Applications 4-1. Wastewater Reuse for Agriculture 4-2. Wastewater Reuse for Industry 4-3. Urban Applications 4-4. Wastewater Reuse for Environmental Water Enhancement 4-5. Groundwater Recharge 5. Key Factors for Establishing Initiatives 6. Building Capacity for Water and Wastewater Reuse 6-1 .
Principal Notation xv List of Acronyms and Abbreviations xvii 1 What is Domestic Wastewater and Why Treat It? 1 Origin and composition of domestic wastewater 1 Characterization of domestic wastewater 2 Wastewater collection 5 Why treat wastewater? 5 Investment in wastewater treatment 6 2 Excreta-related Diseases 8
Introduction to Wastewater Treatment Bruce J. Lesikar Professor Texas AgriLife Extension Service Overview ¾What is wastewater? ¾Why are we concerned about wastewater? ¾The big picture. ¾Goals for wastewater treatment are evolving ¾How do we implement our infrastructure? ¾Wastewater Treatment Processes - The end result is based upon your design
4 Wastewater Treatment ANNUAL REPORT 2020 Wastewater Treatment Process 1. INFLUENT PUMP STATION Wastewater from the serviced area in Thunder Bay enters the Water Pollution Control Plant at the Influent Pump Station (IPS) where five pumps are available to deliver the wastewater to the preliminary treatment process. The wastewater then flows by .
Information Centre of the Ministry of the Environment of Estonia (Wastewater inflow part of the database of wastewater treatment plants reports). Wastewater factors In order to reach full coverage of industrial sector on NACE 2 digit level on water use (by purpose types) and wastewater generation the factors were developed. Wastewater
Wastewater treatment plants : wastewater resource recovery facilities ? NITROGEN and PHOSPHOROUS The process is distinguished by the fact that municipal sewage sludge from wastewater treatment plants with simultaneous phosphate elimination with iron salts could be used without any changes in the process of wastewater treatment.
CLEAN WATER CURRICULUM Background Information For Teachers 5 Wastewater What Is Wastewater? Wastewater is water that goes down drains in industries, homes, and public buildings. Less than 1 percent of wastewater is waste; more than 99 percent is water. Wastewater in the HRSD service area is returned to local waterways after it is treated. In our area, treated wastewater is not returned to .
5.3 Types of Wastewater Collection, Treatment, and Disposal Systems 10 5.4 Joint Treatment and Pretreatment Program 10 6. Structure of the Regulations 12 7. On-Site Wastewater Management 13 7.1 Obligation of Wastewater Treatment 13 7.2 Admissible Discharges 13 7.3 Design and Implementation of On-Site Wastewater Treatment and Disposal Facilities 14
This dissertation is about the Loyalist Regiments of the American Revolution, 1775-1783. These were the formal regiments formed by the British, consisting of Americans who stayed Loyal to the British crown during the American Revolutionary War. They fought in most of the main campaigns of this war and in 1783 left with the British Army for Canada, where many of them settled. The Loyalist .