Fish Processing Wastewater Treatment

Published on by in Technology

Fish Processing Wastewater Treatment

The food industry, including the fish industry, is a source of organic compounds and water solutions of inorganic salts. These organic substances contain proteins and fats. They are washed by hygienic washing equipment with different types of detergents, resulting in different amounts of pollutants in the wastewater.

17-silv-sock127324395r1fish-procesing-1111.jpgTheir daily flow of concentrated wastewater varies between 5-7% of the total amount of wastewater. At the same time, the concentration of  impurities in this flow exceeds the maximum permissible value by 10 times or more.

The problem of wastewater treatment with such composition is connected with the origin and composition of wastewater. It requires new design of wastewater treatment equipment.

The solution could be in using baromembrane methods. This membrane technology is easy to use but is limited in certain conditions.

Industrial wastewater from fish processing facilities is generated by:

  1. defrosting, salting, washing and processing of fish;
  2. washing of equipment and production facilities.

The problem of discharge of wastewater from fish processing into municipal treatment facilities is the excessive number of pollutants.

Biological treatment used at treatment plants is not enough to remove fat. Therefore, the solution lies in combining classical physicochemical and biological treatments, and also in reducing the amount of detergents that pollute wastewater with chlorides.

Ms. Anna Morynets
GlobeCore GmbH
Edewechter Landstraße 173,
Oldenburg-Eversten,
Germany,
26131

e-mail: energie@globecore.de
phone: +17134893755

www.globecore.com 

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11 Comments

  1. Cleaning the water to a target water quality is one thing, and I will be interested to learn more about the baromembrane.

    Of course the other is in the sludge that is generated, this can be effectively turned into a valuable biosolids to be applied to agriculture with additional benefit of biogas generation and utilisation, in Norway there is such a reference project where fish waste is one stream that is hydrolysed & digested, with gas being compressed for use in buses on public transportation schemes


  2. I agree 100% with Mr Sharpe: Equalisation basin-DAF – biological treatment with nitro-denitro. The flow is relatively small, in one case I used SBR with very good result.

  3. I would nearly always start with a balance tank mixed with air followed by a DAF to remove fats but more importantly fish bone etc.  The biological stage would require fine-bubble aeration because the amines present break-down to form ammonia so particular ammonia-oxidising bacteria are required.  The plant would need to be specifically designed for its function and consider the discharge of the water.

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  4. Dear,

    in order to solve this tricky problem, i can offer you a 100% biodegradable disinfectant, avoiding the disinfection byproducts you are mentioning. Check our product brochure and come back to me with a load of questions. www.bieau.be

    2 Comment replies

    1. Sir, thank you for your comment. You have a great methods to solve this problem in biological way. I'll check your brochure.

  5. Nicely stated young lady. You have touched on several waste processing errors in our society. The primary problem is chlorination. It kills the very microbes that nature put here to recycle ALL waste.  One item you may want to revisit is fats recycling. In all bioremediation there are 2 groups of microbes. Each has its own genetically evolved bioprocessing. DNA group includes bacteria and fungi. The RNA group are called Archaea. Both groups work together to achieve 100% recycling of all compounds to be used for the new building blocks of life. Fats, oils, you name it nature has a bug to take care of it. Just call me and I will bring you up to speed on current technologies.  skype: guy_mcgowen or email biozomesales@biozome.com

    2 Comment replies

    1. Dear Anna;  I am aware of the older technologies. I gave you the short version of current technology called bioremediation and the capabilities of RNA Archaea. These were originally called oil eating bacteria. later research discovered they have no DNA structure. This is when they gave the Archaea their own domain, kingdom etc. Please see youtube "Mega-Borg oil spill"  This was the first open sea trial. Since then they have 2500 plus international cleanups. more than a million people use the Archaea is multiple ways. Waste treatment facilities, water purification, septic tanks, restaurant grease traps, removing any and all toxic material from soils, rivers, lakes, coastlines, and  many more.  The agricultural is still the #1 use. world records on crop yield, nutrient density, and larger size produce. One added advantage is because all plastics are made from oil they are all compostable material. It chelates all toxic metals and eliminates all pathogens.  This allows for 100% of waste water to be recycled as potable drinking water. state lab reports for the last 40 years support this claim. You have my contact info. I am the singular authority in the area you are discussing. Hope to hear from you.   

    2. Dear Mr McGowen! Thank you a lot for your remarks. But I should explain to you what is our opinion. This article was written to highlight the problem. Our researches showed that only Biological ​treatment used ​at treatment ​plants is not ​enough to ​remove fat. ​Therefore, the ​solution lies ​in combining ​classical ​physicochemical ​and biological ​treatments, and ​also in ​reducing the ​amount of ​detergents that ​pollute ​wastewater with ​chlorides. ​Our(GlobeCore) main business is Oil processing equipment but since 2013 we are developing new technology for wastewater treatment called Vortex Layer.In fact, that technology could be used for variety of industries but we would like to force its implementation for wastewater. And in article you can find that I don't recommend to use chlorides. Thank you for your attention! 

  6. Is there a prescribed solution in the post? Or just outlining the problem and a possible approach for a solution?

    I may have missed it:)

    1 Comment reply

    1. Dear Mr McMahon! Yes, you probably miss it. The solution is mentioned in the end of the article. (the ​solution lies ​in combining ​classical ​physicochemical ​and biological ​treatments, and ​also in ​reducing the ​amount of ​detergents that ​pollute ​wastewater with ​chlorides. ​) Another solution can be to use our AVS device. If you want more information about it write me back. Thank you for your question. 

  7. no chemicals needed.   you can remove ammonia and nitrogen.  and phosphorus can be polished with Phosfilter, an iron based media.  no sludge to contend with.  

  8. not true.  fats can be removed biologically.  and this waste steam stinks like the dickens.  but the odor can also be removed biologically.  BioSix can removed fog and odor and no sludge to waste.  we are looking for a partner in Europe.  

    1 Comment reply

    1. Hello Eros; Nice to see you still fighting the good fight. If still looking in Europe you may want to investigate a French scientist. Jean Lysonet. Very knowledgeable and he has a great passion for natural processing.  Take care.