FAQ - Effluent & Sewage Treatment Plants

Check out our FAQs pages for answers to commonly asked questions. We hope that you will find the answers to all your questions. Your question still not answered? Either email us at: info@greensolutionskerala.com or phone us at: 0484-3193051.

How is waste water treated ?

The treatement method may have some modifications depends on the nature and quantity of the effluent generated. The general procedure is having a basic collection tank (sewage balancing tank) for collection and mixing to get a uniform mixture of effluent. The collected water is pased through a clariifer to remove any suspended solids and other undissolved materials and then it is fed to an aeration tank (bio digestor ). Upto this stage is konwn as Primary Treatment. In Secondary treatment, aerobic bio degradation of effluent under activated sludge process is taking place at the aeration tank and the process is known as Aerobic activated sludge process. Some cases where high BOD and COD observed, anerobice bio digesters also used where there is no aeration during the activated sludge process. In the Tertioary treatment, water generated after the bological treatemen is separated from sludge and suspended solids by means of a clarifier and/or sand filters and finally an activated carbon filter. The filtered water is then disinfected to kill all the bacteria present in it by either chlorination or ozonation or with ultra violet light.



Other Questions

  1. What is Effluent?
  2. What are the constituents of sewage ?
  3. Why treat waste water ?
  4. How is waste water treated ?
  5. What are the modern techniques in the sewage treatment?
  6. What is the difference between a septic tank and a sewage treatment plant?
  7. How much waste water is generated in a residential and commercail complex?
  8. Who will install the treatment plant?
  9. What about the operating costs for an STP?
  10. What is the payback period?
  11. What is the space requirement?
  12. What are the advantages of Modular design STP ?
  13. Does the Sewage Treatment Plant produce any nasty odours?
  14. Does the plant make a noise?
  15. How long would it take for STP to be fully operational with bacteria?
  16. What is the quality of effluent from these plants?
  17. What is BOD5?
  18. Should I put extra bacteria inducing sachets into the tank on a regular basis?
  19. What is sludge?
  20. What are the problems that can be expected with an installed STP?
  21. Will paper towels, sanitary towels, etc, clog up my system?
  22. Can I use normal household cleaning chemicals?
  23. Does it take septic tank effluent?
  24. I like to do a number of loads of washing on one day, will this overflow the system?
  25. Our hotel is a holiday home, what happens if I turn the STP off ?
  26. What happens if there is a power cut?
  27. How often does the Sewage Treatment Plant need to be serviced?
  28. What is a kind of maintenance required?
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