What is Chemical oxygen demand | analysis of high [COD] sample | Dilution method

[@garhwaldiary5919]

Thankyou so much for the video sir...❤️❤️❤️

[@pravinpatil326]

Sir kya spl ka reading blank ke reading se jyada aata hai

[@ETPKnowledgeJunction]

Bilkul a sakta hai agar aapke sample mein kuchh gadbad hai to jarur aaega Varna Sahi procedure yah hai ki blank ki reading sabse jyada aaegi aur sample ki reading usse kam

[@vivekbhatnagar2454]

Sir please aik video aap COD me use hone wale chemical ko dalne ke purpose pe banaiye.

[@ETPKnowledgeJunction]

Ok..noted but kb banegi ye ni pta... stay connected

[@ETPKnowledgeJunction]

Now available

[@DharmendraSingh-zm8jh]

Sir pls reply COD me potasium dichromate,silver sulfate,murcuric sulfate, sulphuric acid and FAS ka work kya hai.and 40/80 ml distill water add kyo karte hai.

[@ETPKnowledgeJunction]

P. Dicromate highly oxidiser, ag2so4 catalyst, hg2so4 salt inhibitors, h2so4 high acedic medium, FAS titration k liye

[@ETPKnowledgeJunction]

Join telegram group ETP Knowledge Junction

[@MDDANISH-gl3rg]

I havr powder Alum and i have to prepare solution for jaar test , kindly guide me how to make prepare solution for jaar test ...??

[@indukhunte3857]

Sir...hamare plant mein 200m3/hr ka etp plant hai jisme coagulation, flocculation & sedimentation process ke baad DMF , IRF & Softener hai to ETP Outlet sample Softener outlet ko manenge kya...

[@ETPKnowledgeJunction]

Dost aapke effluent treatment plant ki jo bhi last stage hai, usse jo effluent treat hokar nikalta h wahi outlet hai...

[@VinodKumar-wy9ks]

Good afternoon sir 🙏🙏🙏 Sir please make the video BOD analysis titertion procedure

[@ETPKnowledgeJunction]

Dost mujhe yaad h...aap logo ki baat

[@nikhilmagare5167]

Sir, please make video measure BOD in wastewater.. Your videos are very helpful for clearing doubt... 👌👌👌✌️✌️

[@PATELKUNALKUMAR]

Sir Silver Sulfate Kitna lena he or kab lena he ?

[@ETPKnowledgeJunction]

kzbin.info/www/bejne/bKCqc6KVar-NhLM ye dekho

[@MDDANISH-gl3rg]

Thanks a lots sir for sharing this information, sir what will be Qauntity of Alum for preparing solution of alum... I mean how Alum should be add in 500 ltr storage tank...

[@ETPKnowledgeJunction]

It's upto you... Concentration of solutions depends upon the concentration of effluent but at a certain limit...

[@MDDANISH-gl3rg]

@@ETPKnowledgeJunction but i m not asking about concentration of effluent , i just want to know for preparing of solutions , i mean what will be the percentage Alum should be used for making it....

[@MDDANISH-gl3rg]

@@ETPKnowledgeJunction initial , have to used 1%,2%.... 15% what will be percentage , only i have to know ...

[@govindraj-]

How many types of dilution sir 0.2 me 100 ml dm water lekr be kar skte hai na ???

[@ETPKnowledgeJunction]

Haan but itna dilution nahi hona chahiye ki.. titration hi na ho paye

[@govindraj-]

@@ETPKnowledgeJunction TQ sir muje pottasim daichromnate preparation or FAS Preparation means before cod prepare videos banayi ke jo cod me use hota hai chemical wo Kitana or kaise use kare plz sir ....

[@ETPKnowledgeJunction]

IS code 3025 part 58 padho google pr

[@the-state-of-the-art4967]

Is that result is realistic 1088000 ppm i.e.approximately 1 kg/ L which organic salt can be dissolve that much. Please clear my doubt

[@ETPKnowledgeJunction]

The maximum range of Chemical Oxygen Demand (COD) in wastewater can vary significantly depending on the source and type of wastewater. However, some general ranges can be provided: 1. **Domestic Wastewater**: Typically, domestic wastewater COD levels range from 200 to 600 milligrams per liter (mg/L). 2. **Industrial Wastewater**: Industrial wastewater can have much higher COD levels, ranging from 500 mg/L to several thousand mg/L or even higher, depending on the industry and specific processes involved. Some industries, such as food processing, pulp and paper, and chemical manufacturing, may generate wastewater with very high COD concentrations. 3. **Specific Cases**: In certain extreme cases, such as heavily polluted water bodies or industrial discharge points, COD levels can exceed tens of thousands of mg/L. It's important to note that excessively high COD levels in wastewater can indicate significant organic pollution and pose challenges for wastewater treatment processes. Effective treatment methods, such as aerobic or anaerobic digestion, may be required to reduce COD levels to acceptable limits before discharge into the environment. Regular monitoring and appropriate treatment measures are essential to manage COD levels and protect water quality.

[@Youtuber_Axy]

Silver sulphate kb add kiya sir Kuch smj nahi aaya

[@ShrutikaMusale22]

Can you please do video about how to reduce the COD

[@ETPKnowledgeJunction]

watch other videos on channel.. or join telegram group ETP Knowledge Junction

[@VinodKumar-wy9ks]

Sir kiya kam reng ki COD me bhi distille water diluet kar sakte he jese 2000,,5000,,or 7000 COD HO or kiya usaka bhi diluet factor nikalna padega

[@ETPKnowledgeJunction]

Nahi...blank ki range me jo bhi COD rAhega use Normal method se calculate karenge...

[@VinodKumar-wy9ks]

@@ETPKnowledgeJunction sir blank ki COD range kitani hoti he

[@ETPKnowledgeJunction]

Blank ko burette reading maan lo aur use COD ke formula me put kro ...aur calculation jo aayegi wo COD hogi..

[@VinodKumar-wy9ks]

@@ETPKnowledgeJunction sir normal' method se kitani range Tak ki COD nikal sakte he me yahe maaloom kar rah hu Blank reading se kitani range tak ki COD nikal sakte hai bina dilution mathod ke

[@VinodKumar-wy9ks]

Sir reply me please

[@gkravalji8571]

Nice video sir.. And thanks a lot.. Sir dyes material j acid how to check % of purity

[@ETPKnowledgeJunction]

Dost tumhara question samjha nahi main.

[@gkravalji8571]

@@ETPKnowledgeJunction intermidate Ka purity check karna sikhne he muje

[@Nauman5050]

Sir agr hamare pas sample jada ganda hai to ham 10 ml sample ley k 100 or 100 me se 20 ley sakte hai ya 10 ley k 10 distile water ley 20 kare please?

[@pragatisingh1284]

Sir..FAS ka solution kese prepare kiya aapne.... burette k liye....

[@ETPKnowledgeJunction]

IS 3025 part 58

[@pragatisingh1284]

Sir i have a doubt....ki aapne iss High COD sample m kitni baar dilution kiya...becoz we hve mulply the ans with dilution factor...na...so can u plzz suggest me

[@shivamdiwakar4610]

Sir mere pass COD digester me 100 Tak hi temp hai but COD ke liye 150 temp chahiye hota hai toh kitne par set kre ki 150 temp mil jaaye ?

[@rakeshdeshmukh7622]

Hi sir please make video on all pollution cencent form like oprate form 5 Form6

[@ETPKnowledgeJunction]

Sure please stay connected 🙏

[@navneetgoraya9307]

sir how to check the COD for carbide sludge..????

[@ETPKnowledgeJunction]

Is there any other type of content in effluent?? You can join telegram group.. ETP Knowledge Junction.

[@pallavinawlakhe1122]

Sir maine dilution krke ekhi sample ka 2 cod lgayo dono alg alg kyu aye same ana chahiye tha

[@ETPKnowledgeJunction]

Aap jitna dilution karoge per ml COD utna jayada hoga.. Aur agar sampling karte huye kahi koi gadbad hoti h to COD me Bhaut bada gap aayega

[@sandeeppathak8890]

Hello sir . Mere aeration Tank me settling sahi se nhi ho rha.. Svi. 240Ml/250ml aarha 30 min me Sir kaise Sahi kare

[@ETPKnowledgeJunction]

What is MLSS and 30min settling??

[@jayanthshankargandhi9734]

Sir we generally use the normality of fas as 0.05N according to APHA but you were using 0.1N how it is possible and i want know sir why diluted the sample to 100ml volumetric flask

[@ETPKnowledgeJunction]

Kindly refer to the IS code 3025 part 58 for COD Analysis.

[@varmahitesh9600]

Sir hum 0.4 gm HgSo4 and add a 20 ml sample and add 10 ml k2cr2o7 and add a 30 ml H2so4 me method ans this method same

[@ETPKnowledgeJunction]

Yap please go through the IS code 3025 part 58.

[@BasicinformationlearningHome]

Sir, K2cr2o7: H2So4

[@smithkumar4876]

Bhai ek video BOD full test ke Saath bhi Bana do .. humara bhi Kuch bhala ho jyega 🙏

[@ETPKnowledgeJunction]

😀 jarur bhaiii

[@dodabasuhosamani3632]

What is 8000 in formula

[@bharatbhushan8191]

What is difference between open reflux and closed reflux method of COD

[@santoshmadoriTeacher]

Sir 15 ml sulphuric acid each sample me lena hai na...

[@ETPKnowledgeJunction]

Haan dost

[@SaurabhSharma-xn5dp]

Sir please suggest calculation of sample volume If we use 1 ml of sample diluted to 100 ml than further we diluted 0.5 ml to 10ml than I thin calculation is (1/100)*(0.5/10) = 0.0005 ml Please suggest

[@ETPKnowledgeJunction]

Agar ap 1 ml ko 100 ml me dilute krte ho to 1ml divided by 100 ml is equal to 0.01ml. means ki dilution me sample qty 0.01ml h. Aur iske baad aap agar us diluted samle me se 0.5ml sample lete ho to calculation hogi... 0.01ml x 0.5 ml is equal to 0.005ml.

[@Cricketwonders100]

@@ETPKnowledgeJunction ap apna contact number share karain please

[@Cricketwonders100]

Ap ne aisa he kia hai lakin value ap ne 0.005 ml wali put ki hai formula main. Kindly apna number share karna .

[@DeepakKumar-lz8nz]

Thank you sir

[@ETPKnowledgeJunction]

If it helps you then you can review it on Google. Please share your experiences on Google. g.page/r/CVcxcj5sxUuTEA0

[@ziyad102]

method no and type of analysis. is it reflux method open or closed.please

[@ekdanthenvironmentedu]

It's open reflux method

[@ekdanthenvironmentedu]

Sir, i want to know why you have added 40ml DW in both before titration?

[@ekdanthenvironmentedu]

Is it only for cooling purpose?

[@SinghBalaji261]

Feraon indicator kese banaye sir

[@ETPKnowledgeJunction]

Here is a step-by-step guide on how to prepare ferroin indicator for COD analysis: 1. Synthesis of Ferroin Solution: - Dissolve 0.2 grams of 1,10-phenanthroline monohydrate (C12H8N2·H2O) in 100 mL of distilled water. This compound acts as the ligand in the ferroin complex. - Add 0.2 grams of ferrous ammonium sulfate hexahydrate [(NH4)2Fe(SO4)2·6H2O] to the solution. This compound serves as the source of iron(II) ions. - Stir the mixture until all solids are dissolved. - Adjust the pH of the solution to around 3 using dilute sulfuric acid (H2SO4) or sodium hydroxide (NaOH). pH adjustment is necessary to ensure optimal color development and stability of the indicator. 2. Standardization of Ferroin Solution: - Prepare a stock solution of potassium dichromate (K2Cr2O7) with a known concentration. This will be used as a primary standard for the standardization process. - Pipette a known volume (e.g., 10 mL) of the potassium dichromate stock solution into a conical flask. - Add an excess amount of sulfuric acid (H2SO4) to acidify the solution. - Titrate the potassium dichromate solution with the ferroin indicator until a color change occurs. The endpoint is reached when the solution turns from orange to green. - Note the volume of ferroin indicator used for the titration. - Repeat the titration process at least three times to obtain consistent results. - Calculate the average volume of ferroin indicator used and determine the molarity of the ferroin solution using the known concentration of potassium dichromate. It is important to note that the exact concentrations and volumes mentioned above are just examples and may vary depending on the specific requirements of your analysis. Always refer to the standard methods or protocols provided by recognized organizations, such as ASTM International or the American Public Health Association (APHA), for detailed instructions on preparing and standardizing ferroin indicator for COD analysis.

[@shrutivis2700]

sir calculation part mein 8000 kaha se aaya

[@sandeepbadgujar1995]

Sir requarrd BOD test and mee plant operation plz.

[@ETPKnowledgeJunction]

For BOD please wait

[@geetanjaligupta2057]

How much silver sulphate is added to sulphuric acid and it's necessarily for 24hrs? Z there any other method

[@ETPKnowledgeJunction]

Please go through the IS 3025 Part 58.

[@sumitdevdas3883]

Sugar condenset ka cod kaise nikale .... Dilution kitla hota hai

[@ETPKnowledgeJunction]

Aapko same procedure follow karna hoga. Agar phle baar me sample fail hota h to sample ko aur dilute kro.

[@santoshmadoriTeacher]

Thanks for its work sir..Sir BOD test plz

[@ETPKnowledgeJunction]

Sure ... please stay connected 🙏

[@adilkhan1879]

thank you for vedio but one more think i ask you sir . ki agar color nhi change hua 0.5 ml ya 1 ml me to kitte quantity lene hai dilution sample se man lea 0.5 na leke ar koi quantity le 20 ml le lea dilution sample se to kitta ar disttled waater milana hai .ar agr color nh change hua dilution se to kya krna hai sir please suggest an help

[@ETPKnowledgeJunction]

You can join telegram group ETP Knowledge Junction and personally msg me on instagram iamsanjeetrawat.

[@adilkhan1879]

@@ETPKnowledgeJunction ok sir i will but agr apne 0.5 ml sample dilution se liya h to color change hua hai man lea hmne 0.5 ml na leke koi ar quamtity li 10 ml as a refrence sample me distilled water milana h 10 ml ya nhi . ki direct extrat krna hai 10 ml dilution sample se

[@ETPKnowledgeJunction]

Total qty. 10 ml krni h... With dilution or without dilution. But sample fail nahi hona chahiye.

[@nba9604]

How to measure COD by Uv vis spectroscopy?

[@ETPKnowledgeJunction]

Sorry no idea..

[@jitendragangwar1976]

Sir high bod ka process bta digiye

[@shreyasdesai5837]

Sir I can't get the calculation of cod

[@ETPKnowledgeJunction]

Where???

[@ronnydsouza2706]

@@ETPKnowledgeJunction dilution part, where you calculated the volume of sample. what if i take 1 ml sample in 10 ml distilled water, will it be ok??

[@manojshelar4421]

Sir muje cod me problem a Raha hai kuch madat Karo

[@muhammadshahzad6104]

Very informative video Sir I have question How we can reduce the cod and bod levels from waste water in fiktration process ? Can RO membrane reduce the cod and bod levels after water passing through it... ?

[@dilshady]

Remove tds or tss

[@muhammadshahzad6104]

@@dilshady tss

[@Mmallikarjunm]

RO can only filters the TDS. cannot removes COD. if we pass waste water with COD through membrane. COD can damage the membranes.

[@satyendraKuma]

Sir , jo chemical dalte hai unhe pahle serial number dal kr bat de jyada badiya rahega Thank u ....

[@ETPKnowledgeJunction]

Main samjha nahi.

[@mahendradaksh294]

sir BOD procedure talk me from aeriation dilution method

[@___piyush____03]

Blank reading or outlet reading ak jese kyu aate he Karn bata do

[@mr.traveller..8961]

Aeration tank me konsi process hoti hai.. Matlab reaction konsi hoti hai reaction chahiye sir 🙏

[@diptiranisa3782]

Black or reference kya hota hai??

[@LokeshSharma-pl3vo]

1/9 sample kio teyar kiy jata h?

[@ETPKnowledgeJunction]

??

[@ajimsiddique3390]

Plz share poly jar test.

[@thakurprashantchauhan4825]

Volume of sample kahan se liya jaega sir

[@sporttubegaming2887]

How much money u spend on this

[@ETPKnowledgeJunction]

As a content creator, the investment in producing KZbin videos goes beyond just monetary expenses. My investment primarily involves dedicating considerable time, effort, and resources towards gathering knowledge, honing my skills, and crafting engaging content. So, while I don't have a specific financial figure to provide, I can assure you that I invest substantially in various forms to ensure the quality and relevance of my videos.

[@sporttubegaming2887]

@@ETPKnowledgeJunction Hats off to you can I also learn and work with you for this type of content

[@VikasKumar-nh2jp]

Sir es method ka name kya h

[@arun4846]

❤️

[@ETPKnowledgeJunction]

You can join telegram group ETP Knowledge Junction

[@parmarvishal1231]

Sir vfx ka batao na kuchh

[@ETPKnowledgeJunction]

VFX?

[@parmarvishal1231]

VFA​@@ETPKnowledgeJunction

[@BasicinformationlearningHome]

Sir, Explain k2cr2o7:H2so4

[@___piyush____03]

Sir please contact numbers video ke sa ta add ka re

[@sangayyapuranikmath9452]

Hard ness calculation formula and p and m alkalinity

[@ETPKnowledgeJunction]

Join telegram group ETP Knowledge Junction

[@ChandanSingh-wu5lm]

N ka value kaise put up kiye

[@ETPKnowledgeJunction]

Jb hum solution banate hn to ye dekhte hn ki solution kitne normality ka bna rhe hn..

[@chauhankundansinh2611]

Why 8000 used in formula ??

[@sangayyapuranikmath9452]

You don't added silver sulphate

[@ETPKnowledgeJunction]

Preadded

[@adnanvaghela8597]

40 ml d/w Kiyu dalte hai

[@mohanshyamchhaunkar286]

Please sir lime PAC PE percentage in water mixing

[@sintusagar8017]

Bod ke bare me video banio

[@Cricketwonders100]

Brother Volume of sample is not cleared Firstly you have been dilute the sample 1 ml with 100 ml distill then why you take 0.5 diluted solution again and mix again distill water

[@michaelhaack7471]

Erst das Wasser dann die Säure, sonst geschieht das ungeheure

[@ETPKnowledgeJunction]

You are right ✅️

[@ankushdongre8004]

Isme 8000 kya hai

[@ETPKnowledgeJunction]

It's 8 x 1000; 8 is constant and 1000 to convert in mg/l

[@mr.traveller..8961]

Sir..

[@gamingteamofficial1406]

0.5 se se kaise divided

[@PankajSharma-dn9ke]

8000 kese aya sir

[@ETPKnowledgeJunction]

The COD (Chemical Oxygen Demand) calculation typically involves the use of a factor to convert the measured oxygen demand in a sample to an equivalent amount of oxygen consumed. The factor of 8 in the COD calculation is based on the assumption that the organic compounds in the sample are oxidized to carbon dioxide (CO2) and water. This factor reflects the stoichiometry of the reaction and is a conventional value used in COD analysis.

[@rajchauhan2824]

Pdf dedo sir

[@tatagarraju]

8000?????

[@MatharbaJadgav]

Firustly aapne 1ml sample dilute in 100ml d. water. Secondly aapne 0.5ml plus 9.5ml asamja nahi

[@mohitkhampariya5298]

It should be in percentage

[@L.kL.k-ub8yq]

CAll

[@gamingteamofficial1406]

Hi

[@ETPKnowledgeJunction]

Hello 👋

[@gyaniaspirants6137]

Thank you sir

[@ETPKnowledgeJunction]

You can join telegram group ETP Knowledge Junction and personally msg me on instagram iamsanjeetrawat