Advance Wastewater Treatment at Tertiary


The project opportunity I have this year is a great chance for learning and technical development. Motivation and co-operation are the two main pillars for the success of any project. A technical write paper should be incomplete if I do not convey our heartfelt gratitude to those people from whom I have got considerable support and encouragement during this technical write paper preparation. Many people have helped, provided direction, technical information and it’s my pleasure to say vote of thanks to all of them.

Every person wants to prove him in this fast, dynamic and cut-throat competitive world but only when person gets an opportunity. So, I sincerely thank to “ SHROFF S.R. ROTARY INSTITUTE OF CHEMICAL TECHNOLOGY ” for providing me this golden opportunity. I would like to extent my deepest gratitude to our Head of Department Dr. Snehal Lokhandwala for giving us prospect to do this practical work. I would also like to thank our guide Dr. Snehal Lokhandwala whose efforts and guidance makes me able to learn and gain valuable, unique and new knowledge about our project work and providing us such a warm atmosphere to make our project work delightful.

It is my radiant sentiment to place on record my best regards, deepest sense of gratitude to all the staff members & lab operators for their careful and precious guidance which were extremely valuable for my study both theoretically and practically.

I perceive as this opportunity as a big milestone in my career development. I will strive to use gained skills and knowledge in the best possible way, and I will continue to work on their improvement, in order to attain desired career objective.

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It is tertiary treatment of wastewater involves RO, MEE & many other treatment being used in industry which are expensive & energy intensive. In this study are propose breakpoint chlorination as a single remedy the issue of wastewater at tertiary level. Our focus will be to reduce refractive COD, ammonical nitrogen, BOD & other parameters through breakpoint chlorination techniques.


It is tertiary treatment of wastewater involves RO, MEE & many other treatment being used in industry which are expensive & energy intensive. In this study are propose breakpoint chlorination as a single remedy the issue of wastewater at tertiary level. Our focus will be to reduce refractive COD, ammonical nitrogen, BOD & other parameters through breakpoint chlorination techniques.

Problem summary

Now-a-day central pollution control board has been become very stringent towards the legislation of environmental protection. Zero liquid discharge system become compulsory in every industry. The big challenge for ZLD plant is removal ammonical nitrogen and COD. Generally. Generally ammonical nitrogen is reducing though the secondary treatment and generally tertiary treatment is basically costly then industries choose the cheaper process for the reuse of wastewater

Aim & objective Aim: Removal of ammonical nitrogen and COD Objective: My project aim is to which chlorine gives better results in removal of ammonical nitrogen & COD from the secondary effluent & compare to other treatment units of tertiary treatment & find out best one. It includes: Set up of pilot plant. Determination & analysis of different parameters. Checking the better result Need of study Chlorine may be used as disinfectant. Chlorine may be used as oxidizing agent to remove ammonical nitrogen & COD. Advance oxidation process is generally used at secondary treatment but I am trying to use at tertiary treatment. I am trying to replace RO and MEE by chlorination & will be trying to find treated water can be reuse. Plan of work Sr. No. Stage Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr

  • Happy story: In Rampur, people were suffering from the several diseases which were caused by high Ammonical nitrogen and COD of water. After treatment of wastewater, Ammonical nitrogen and COD were removed and villages were getting rid of these diseases and all people get happy.
  • Happy story: In industry due to high Ammonical nitrogen material of boiler and cooling towers will carrots. After this treatment water become soft so that is can be further used in utility purpose or recycle purpose.
  • Sad story: In Ratanpura, there is one river in which several industries discharging effluent in it. Villagers are used that water for their daily activities so due to that contaminated high ammonical nitrogen and COD water villagers were suffered from serious diseases.
  • Sad story: In Industry due to high ammonical nitrogen in utility water for boiler feed, heat exchanger feed, this water cause scale formation on the walls of boiler and heat exchanger tube and increase the operational cost of treatment or process.




  • Overview of the Main Disinfection Processes for

Wastwater and Drinking Water Treatment Plants Maria Cristina Collivignarelli, Ilaria Benigna, Sabrina Sorlini, Vincenzo Torretta Chlorination disinfection technologies can be used to meet the pathogen inactivation demand in water. This work is an overview of the main disinfection technologies of wastewater and drinking water that reports for the conventional processes the action mechanism, the possible formation of by-products, the operative conditions, the advantages and disadvantages.

  • Physico-chemical technologies for nitrogen removal from wastewaters Andrea G. Capodaglio,

Petr Hlavinek,

Massimo Raboni University of Pavia ,Department of Civil Engineering For the removal of ammonical nitrogen & the activated carbon adsorption of chloramines after the treatment,90% efficiency for removal of nitrate

liquor by coagulation and flocculation. Naeem Abbs. using Black liquor treatment by various coagulants and flocculants.

  • Removal of COD and color from dye manufacturing industries by coagulation Monali Chirkut Likhar, Mayuresh Vinayakrao Shivramwar By using

polyalumminium chloride (PACL) with coagulation treatment method the total COD removal achieved about 65%.

  • The removal of COD & color from texile industry by chlorine hypochorite. Mohamadreza Massoudinejad, Mansour Ghaderpoori The removal efficiency of imported chlorine in compare with native chlorine was about 3.65 times more than because Calcium hypochloride was effective for the removal of color & COD.
  • Biological nitrogen and COD removal of nutrient- rich

wastewater using aerobic and anaerobic reactors Florante A. Magnaye, Pag-asa D. Gaspillo, Joseph L. Auresena The total reduction of 98% in COD was obtained in aerobic reactor against 34% reduction in anaerobic reactor at 11 days of HRT.

  • Wastewater COD removal using sol-gel immobilized humic acid Rafik Helles The total reduction of COD is achieved by 90% at optimum conditions by sol-gel immobilized humic



  1. Mamdouh y. saleh, Gaber El Enany, Medhat H. Elzahar and Mohamed Z. Elshikhipy, ‘Use of Alum for Removal of Total dissolved solids and Total Iron in High Rate Activated Sludge System’ Vol. 2, No. 3, March 2014, PP: 1 – 12, ISSN: 2326 – 3113
  2. M Nisha Priya & K Palanivelu ,”Removal of total dissolved solids with simultaneous recovery of acid and alkali using bipolar membrane electrodialysis– Application to RO reject of textile effluent ” IJCT Vol.13(3) [May 2006]
  3. Geena G. Pradeep,Krishna Priya Sukumaran ,Georgette Georage ,Febin Muhammad , Nisha Mathew ,”Removal of Dissloved solids in Waste water using Activated carbon from Coconut shell ”Volume 02| Issue 07 | September 2016 ISSN: 2395-7549
  4. I Nkwonta, G M Ochieng “Total Dissolved Solids Removal in Wastewater Using Roughing Filters ”Volume 2010: CSJ-6 1
  5. Apte, Sagar. S.; Apte, Shruti S.; Kore, V. S.; Kore, S. V. “Chloride Removal from Wastewater by Biosorption with the Plant Biomass”Vol. 1 Issue 4, p416
  6. Muhammad Irfan ,Tahir Butt ,Naz Imtiaz Naeem Abbas, “The removal of COD, TSS and colour of black liquor by coagulation–flocculation process at optimized pH, settling and dosing rate,Volume 10, Supplement 2, May 2017, Pages S2307- S2318
  7. Monali Chirkut Likhar , Mayuresh Vinayakrao Shivramwar, “Removal of chemical oxygen demand (COD) and color from dye manufacturing industry by coagulation ” Vol. 3, Issue 2, March -April 2013, pp.1116-1118


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Advance Wastewater Treatment at Tertiary. (2022, May 10). Retrieved from

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