Mangaluru: Desalination plant for transforming seawater nearing completion


Daijiworld Media Network - Mangaluru (SP)

Mangaluru, Mar 26: The first ever plant in the state that proposes to process the saline water of the sea and provide fresh water to industries, which is coming up at Tannirbavi here is nearing completion. Within a few days, the plant will start to pump out desalinated water.

The plan is being built by Mangalore Refinery and Petrochemicals Ltd (MRPL). 70 percent of the plant's works are completed. The processed water is proposed to be supplied to MRPL through pipes. The work on the plant is being executed by a Chennai-based company which got the tender for Rs 595 crore. The company is backed by the experience of having built such plants in Chennai and other places. The plant is coming up in 13 acres of land and 30 percent of work is pending. MRPL will get its entire requirement of water from this unit.

For running the refinery, MRPL needs six MGD water every day. Water is also needed to generate power through the captive power plant. Crude oil is processed at 300 to 400 degree Celsius and a huge quantum of water is needed to cool it down. So far, MRPL has been getting water from Netravati river and Kavoor underground processing unit at Kavoor here.

The district encounters water problem normally after February. When drinking water shortage is experienced by the city, the corporation cuts down the water being supplied to industries from Netravati river. In the past, the idea of processing seawater for industries had been mooted when the city faced shortage of drinking water but the proposal is stuck in files. The corporators had undertaken a visit to Chennai to see for themselves the working of the plant, but other than that, this matter did not move ahead.

When water shortage is acute, industries like MRPL face the compulsion to shut down their units. The desalination plant has been built as an alternative for dependency on river water. Land belonging to New Mangalore Port Trust has been used for building the plant. Similar units are functioning in various places and the Gulf countries. MRPL,which is currently using treated sewage water from Kavoor, is also interested in using treated water from three other sewage treatment plants in the city.

Managing director of MRPL M Venkatesh, says that this is an important project as far as the use of water is concerned, and the unit that has been 70 per cent complete, is racing towards completion.

 

 

 

  

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Comment on this article

  • Coimbatore Vedavyasan, Pune

    Sat, Apr 03 2021

    Desalination should be the last resort , repeat last... criitcal issues :: brine disposal, energy intensive, membrane replacement are some.. Trained manpower is a must.. But then what is the TWC ? Plant life cycle : 20 yrs.... Perhaps ,MRPL -cash rich mini ratna firm - could have postponed. There are multiple reuse processes available. Thank you folks

    DisAgree [1] Agree Reply Report Abuse

  • Ashok, Mangalore

    Sat, Mar 27 2021

    Some people disagree my comment those who disagree please give me the reason. I am working in this industry since 1988. Worked in MCF, MRPL and Middle East all countries

    DisAgree [1] Agree Reply Report Abuse

  • sense_Shetty, Mangalore

    Sat, Mar 27 2021

    This is good news ..This water should be used to water road side plants and other public gardens .. ANyways its a great start ..Well done MRPL and the Govt authorities.

    DisAgree [3] Agree [5] Reply Report Abuse

  • Rudolf Rodrigues, Mumbai

    Sat, Mar 27 2021

    With such copious yearly rainfall going for desalination plants is utterly foolish idea! Desalination plants are expensive to build. ... It can be a very costly process. ... It requires a lot of energy to process. ... It contributes to the world's greenhouse gas emissions. ... Its resulting brine can have a dramatic environmental impact. ... It might risk producing contaminated water.

    DisAgree [9] Agree [5] Reply Report Abuse

  • ecity resident, Bangalore

    Sat, Mar 27 2021

    when there is so much of rainfall, why not find a way to store and use it instead of desalination ? desalination should be an option only when there is less or no rainfall but mangalore is lucky to get large amount of rainfall.

    DisAgree [7] Agree [4] Reply Report Abuse

  • Ashok, Mangalore

    Sat, Mar 27 2021

    Totally waste of money. Instead they would have made fresh water close circuit and fresh water cooled by sea water less maintenance only cleaning coolers. Maintenance of membranes is very expensive. Same story mangalore kochi pipe line. Instead of bringing gas from kochi they would have constructed liquification gas in mangalore itself only spending 500 crores

    DisAgree [12] Agree [9] Reply Report Abuse

  • rahulraj, kadri

    Sat, Mar 27 2021

    mangalore kochi pipeline is done to benefit for kerala...gail was suffereing financially. Maybe kerala folks lobbied to get client for gail plant ..So mangaluru was the first bakra here...

    DisAgree [2] Agree [3] Reply Report Abuse

  • Jossey Saldanha, Mumbai

    Sat, Mar 27 2021

    The plant is being built by Mangalore Refinery and Petrochemicals Ltd (MRPL) ...

    DisAgree [4] Agree [8] Reply Report Abuse

  • John, Mumbai

    Sat, Mar 27 2021

    Thank god its not ambani or adani

    DisAgree [2] Agree [5] Reply Report Abuse

  • Rita, Germany

    Sat, Mar 27 2021

    Good. my question is what will the MRPL do with rest salt or whatever the sewage ?let it in canalen like at present open or treat it ?

    DisAgree [4] Agree [3] Reply Report Abuse

  • Rita, Germany

    Sat, Mar 27 2021

    Good. my question is what will the MRPL do with rest salt or whatever the sewage ?let it in canalen like at present open or treat it ?

    DisAgree [5] Agree [1] Reply Report Abuse

  • Gabriel Lewis, Brahmavar

    Sat, Mar 27 2021

    MRPL has funds to execute this plan whereas Mangalore Corporation doesn't have enough funds in its treasury unless they get the backing from the state/central govt or some large industries.

    DisAgree [1] Agree [4] Reply Report Abuse

  • Ashok, Mangalore

    Fri, Mar 26 2021

    For me this is total waste of money. Instead of spending huge amounts of money they would have laid sea water inlet and outlet line till plant. Fresh water used as a closed circuit. Sea water is used for cooling fresh water. Desalination plants maintenance cost is very high specially membranes. Same thing getting gas from kochi somebody wants to make money. Instead of spending 5000 crores they would have spend 500 crores

    DisAgree [3] Agree [6] Reply Report Abuse

  • Joel, Mangalore

    Fri, Mar 26 2021

    Thats the solution for Industries not for people in the city, why is there water shortage this year? didnt they invest in some project last year?

    DisAgree [6] Agree [8] Reply Report Abuse

  • Roshan, Udupi

    Fri, Mar 26 2021

    Why cant we use this for supplying drinking water to the residents of Mangalore ?

    DisAgree [6] Agree [11] Reply Report Abuse

  • Kishore Kumar, Mangaluru

    Fri, Mar 26 2021

    ... desalinated water is very expensive compared to freely available river water in Netravati !!!

    DisAgree [2] Agree [7] Reply Report Abuse


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