Partnership for sustainable water management by jyd94646

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									Partnership for sustainable water management
      practices in Indian Dairy Industry

             K.V.Rajeshwari
                  TERI
Learning alliances symposium for scaling
       up innovative approaches
                6-10 June
         Delft, The Netherlands
         About the Asia Pro-Eco
              programme
 Improvement of environmental performance in Asian
  economic sectors through the exchange of
  environmental policies, technologies and practices, and
  to promote sustainable investment and trade between
  the European Union Member States and South Asia,
  South-East Asia and China.

  Different components under the programme
 Diagnostic Activities
 Technology Partnerships
 Demonstration Projects
 Policy Reinforcement
 Operational & Practical Dialogue
         Project Consortium
The Energy and Resources Institute
 (TERI)(New Delhi, India)
Institute for Environmentally Compatible
 Process Technology
  (UPT) (Saarbrucken, Germany)
The Queen's University Environmental
 Science and Technology Research Centre
  (QUESTOR) (Belfast, UK)

 Expertise of partners in specific fields led to
 the formation of this consortium
                    Background
Water availability and sources
   Rainfall
   Groundwater
   Surface water

   Total of 1122 billion m3 is annual water resource
    (projected increase to 1180 billion m3)
   Industry projected consumption is 30 billion m3 per
    annum
   Projected increase to 81 billion m3
   Industries contribution to not only demand but also
    deterioration of water quality
   Stringent standards for disposal
                Figure 1 (a) Water use in 2005


            5%                  7%
        30 billion m3       45 billion m3
                                                                        Agriculture
        5%                                                              Industry
    30 billion m3
                                                                        Domestic
                                                                        Others



                                                83%
                                            524 billion m3



           Figure 1 (b) Water use in 2050

               17%
                        3
           181 billion m
                                                               Agriculture
                                                               Industry
                                                               Domestic
      9%
                3                                              Others
111 billion m


    7%
81 billion m3
                                                        74%
                                                                 3
                                                    807 billion m
                 Background (Contd.)

 Increased demand supply gap
 Deterioration of water quality
 Several independent efforts by various Government,
  non-government, research institutions and private
  consultants on wastewater treatment
 Limited measures towards minimizing water demand
  and promotion of recycling and reuse
 Requirement of integrated effort of the consortium
  along with policy makers and industries for sustainable
  and replicable practices.
              Project activities
  Need assessment
     Water use                        Test unit selection,
Wastewater generation                       analysis
     Treatment
 Reuse and recycling    Awareness
                        Motivation
                         Guidance
                        Replication


Training programme,                   Dissemination material,
  Buyer-seller meet                          manual
                 Objective

Improve the awareness of the industries
 towards water resource management
Exposure to tools, techniques, technology
 options for water efficiency integrated with
 process
Assist the industries in development of
 appropriate strategies
Dissemination of the measures to enable other
 industries in India and Asia to adopt the
 measures
        Dairy industry in India

Second largest milk producing industry
Production of 78 million tons
Operation flood programme
Modernization and contribution of dairy
 cooperatives due to NDDB
 Organised production and marketing of
 milk and milk products
Geographical distribution of units
                Water use pattern

Utilities
   Cooling tower
   Boiler
   Water softener
   Back washing
Process water
Cleaning-in-process water
Service water
Sanitary water
Water consumption in liquid milk plant
                             700                                                 50
                                                                                 45
                             600
  Water consumption (m3/d)




                                                                                 40




                                                                                        Water consumption (%)
                             500                                                 35

                             400                                                 30
                                                                                 25
                             300                                                 20
                             200                                                 15
                                                                                 10
                             100
                                                                                 5
                              0                                                  0
                                   Process    Washing      Sanitary    Utility
                                             and service
                                   Water consumption (m3/d)     Water consumption (%)
  Characteristics of dairy effluent

Components         Concentration (mg/l)
pH                      5.6-8
COD                     1120-3360
BOD                     320-1750
Suspended solids        28-1900
Oil & grease            68-240
Methodology of partnership formation

Formation of consortium with project partners
 at the time of project formulation
Identification of test dairy unit
   Communication with private dairies, NDDB, state
    dairy federations
   Selection of units based on
      Size
      Product profile
      Existing water usage patterns
      Desire to improve
      Openness
      Location
                         Shortlisted dairy units
Products                  Milk processed/day   Existing status         Remarks


Ghee, milk powder         300,000              Condensate water        Less range of
                                               reused, aerated         products. Open to
                                               lagoon                  new initiatives

Ghee, milk powder,        700,000              Condensate water        Good variety of
Casein, Yoghurt,                               reused, UASB            products, scope for
Liquid milk                                    treatment               wastewater reuse. No
                                                                       irrigation option. May
                                                                       not disclose data
                                                                       related to treatment


Liquid milk, butter,      200,000              RO under planning       Federation. Variety of
milk powder, ghee                              phase, no recovery,     products. Scope for
                                               irrigation              improvement and
                                                                       implementation

Liquid milk, cheese,      200,000              Installation of water   Federation, student
butter/ghee, ice cream                         meters, recovery of     dairy. Open to
                                               whey, irrigation        initiatives.
                                                                       Sustainability ensured
        Finalisation of test unit

Reluctance of private units in
 disseminating the plant details and
 outcomes of any analysis
More interested in financial than
 environmental benefits
Better cooperation and interest from state
 owned dairy units
High sustainability and replication
 possibility with unit managed by students
          Test unit analysis

About the unit
Located in Gujarat
Capacity of 100 KL of milk/day
Operation capacity is 56%
Semi automatic operation for milk reception,
 processing and standardisation
      Steps followed in analysis

Interactions between the experts, TERI
 and industrial unit
Exchange of data and informations
Visits to the plant
Discussion on problem and needs of the
 unit, implementation constraints
         Outcomes of analysis

Team spirit, increased motivation,
 awareness and understanding
Water and energy balance
Key indicators identifying inefficient
 water use points
Various suggestions with improved
 practices and operations
Development of action plan for low,
 moderate and high investment measures
       Action plan – Low investment
S.   Action                        Responsible   Priority   Budget
No                                 person
.
1.   Sealing off leakages          A             High       5000

2.   Replacement of worn           B             High       10000
     sealings
3.   Insulation of tanks


4.   Optimisation of               C             High       10000
     regeneration intervals in
     the ion exchanger
5.   Grey water pipes to use                     Low
     cooling tower bleed, boiler
     blow down treated effluent
6.   Optimisation of the rinsing   D             Medium     5000
     for the crates
7.   Optimisation of CIP unit      D             Medium     Nil

8.   Optimisation of ion           C             Low        250000
     exchanger via conductivity
     measurement
     Moderate Investment
S.    Action                     Responsible   Priority   Budget
No                               person
.

1.    Removal of iron and                      Low
      manganese in the
      Borewell water


2.    Feeding the cooling                      Low
      water in to a stratified
      storage tank; using
      water for rinsing
      purposes
3.    Purchasing a new crate     B             Medium     550000
      washing machine


4.    Use of Rainwater           D             Medium     50000
 High Investment

S.   Action                Responsibl   Priority   Budget
no                         e person
.

1.   Using submerged                    Low
     membranes for
     optimizing the ETP;
     Germ Free

2.   Installation of an    C            Medium     700000
     anaerobic treatment
     stage for whey
                    Further actions
 Dissemination of the analysis to the larger group –
  Industries, regulatory bodies, research institutions
 Comparison and identification of problems in other
  units
 Assessment of the available options
 Response from industries for conducting analysis
 More discussion forums for multiplication of the
  learnings
 Further initiatives by the Government in promoting
  water efficiency
 Test unit to incorporate the learnings in students course
  modules
 Manual and case studies for wider dissemination

								
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