Removal of SMBS (Sodium Methabisulfite) in wastewater

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Good Morning,

I have some problems to remove SMBS in wastewater generated by the shrimp industries.

Does anybody have a wastewater treatment to suggest me ?

I have tried with Coagulation and floculation, but there was not a satisfied result.

I would although ask you if you have any information about the quantity of SMBS generated in the whole world.

Thanks in advance for any answer.

Wish you a good day !

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11 Answers

  1. Hi Pablo,

    SMBS is commonly used in the desalination industry as a dechlorination chemical prior to the membranes and also as an oxygen scavenger. 

    If your issue with the wastewater is solely the residual concentration of SMBS - perhaps you can try to introduce air aeration and the oxygen would react with the SBS formed from the hydrolysis of SMBS. 

    If you desire quick reaction, then sodium hypochlorite would be another choice that would give a much faster reaction. 

    Hope this helps.

    regards,

    Junfeng

  2. One word - OXIDIATION

    1 Comment

    1. Actually two words - BREAKPOINT OXIDATION.  But use H2O2 for a clean effluent of H2O, Na+, SO4-. You will be fine.  Thanks, Sean

      2 Comment replies

  4. Dear Sir

    If you can give us your email, we can share our technology which can treat Sodium MetabiSulfite.
    We have experience in offering Wastewater solutions for almost all types of industrial wastewater.

    You can write to me at natesan@sstechno.com
    Thank you and Best regards
    Natesan
     

    1 Comment

    1. Good morning Natesan, thanks for your offer. Could you tell me what treatment do you do or suggest me to do ?

  5. Good day Sir, the best method of treating Sodium Methabisulfite you can use UV by temperature of below 25 and don't make water boiled just warm. That is the best way to reduce it.

     

    Thanks 

     

    1 Comment

  6. Maybe you can try industrial symbiosis. Do you have and chromium production industry in your near location? SMBS is using for chromium removal from wastewater. Link

    Your wastewater maybe useful for other wastewater treatment.

    1 Comment

    1. It's such an interesting information… I will study the mechanism of reaction. Thank you Serdar !

  8. As for SMBS production: BASF is one of the largest producer of food grade product. Used as an oxidative disinfection agent mostly in wine production but also in foor processing, like prickles production and also in sea food. Multiple 1000 tons are produced per annume. There are plenty of local producers as well.

    1 Comment

  9. Hi,

    Have you tried Lime? Probably you will need to add permanganate to oxidize forst and then lime sln. The result is gypsum that precipitates.

    Barium may work as well but that is too expensive. Barite precipitates more than gypsum. Magnesium-hodroxide solution may work as well.

    OMYA has products to use.

    BR

    Z

    1 Comment

    1. Thank you Zsolt ! It's a good idea !

      No, I didn't try with Lime. I Always have some problems with Lime, because it's necessary to correct the pH after that and not to mention the huge amount of sludge that it's generated.

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