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

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

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3 жыл бұрын

Chemical Oxygen Demand
It is the amount of oxygen consumed during the oxidation of oxidizable organic matter in the presence of strong oxidizing agent is called chemical oxygen demand.
Hello guys,
welcome to science classes. I'm sanjeet Rawat. Aaj ki video me maine High COD sample ki COD nikali hai. aap dekhenge ki COD Analysis me dilution kaise kiya jata hai aur dilution me sample ka volume kaise calculate kiya jata hai.
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Пікірлер: 147

@garhwaldiary5919 3 жыл бұрын

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

@nikhilmagare5167 3 жыл бұрын

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

@MDDANISH-gl3rg 3 жыл бұрын

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

@Nauman5050 8 ай бұрын

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?

@dodabasuhosamani3632 Жыл бұрын

What is 8000 in formula

@shivamdiwakar4610 9 ай бұрын

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 ?

@bharatbhushan8191 Жыл бұрын

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

@VinodKumar-wy9ks 3 жыл бұрын

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

@ETPKnowledgeJunction 3 жыл бұрын

Dost mujhe yaad h...aap logo ki baat

@vivekbhatnagar2454 Жыл бұрын

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

@ETPKnowledgeJunction Жыл бұрын

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

@ETPKnowledgeJunction 11 ай бұрын

Now available

@MDDANISH-gl3rg 3 жыл бұрын

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 3 жыл бұрын

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

@MDDANISH-gl3rg 3 жыл бұрын

@@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 3 жыл бұрын

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

@ajimsiddique3390 3 жыл бұрын

Plz share poly jar test.

@shrutivis2700 Ай бұрын

sir calculation part mein 8000 kaha se aaya

@Youtuber_Axy 2 жыл бұрын

Silver sulphate kb add kiya sir Kuch smj nahi aaya

@DeepakKumar-lz8nz 3 жыл бұрын

Thank you sir

@ETPKnowledgeJunction 2 жыл бұрын

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

@geetanjaligupta2057 3 жыл бұрын

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

@ETPKnowledgeJunction 3 жыл бұрын

Please go through the IS 3025 Part 58.

@thakurprashantchauhan4825 3 жыл бұрын

Volume of sample kahan se liya jaega sir

@mahendradaksh294 3 жыл бұрын

sir BOD procedure talk me from aeriation dilution method

@the-state-of-the-art4967 3 ай бұрын

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 3 ай бұрын

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.

@mr.traveller..8961 3 жыл бұрын

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

@smithkumar4876 3 жыл бұрын

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

@ETPKnowledgeJunction 3 жыл бұрын

😀 jarur bhaiii

@BasicinformationlearningHome Жыл бұрын

Sir, Explain k2cr2o7:H2so4

@DharmendraSingh-zm8jh 2 жыл бұрын

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 2 жыл бұрын

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

@ETPKnowledgeJunction 2 жыл бұрын

Join telegram group ETP Knowledge Junction

@jayanthshankargandhi9734 Жыл бұрын

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 Жыл бұрын

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

@mohanshyamchhaunkar286 3 жыл бұрын

Please sir lime PAC PE percentage in water mixing

@gkravalji8571 3 жыл бұрын

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

@ETPKnowledgeJunction 3 жыл бұрын

Dost tumhara question samjha nahi main.

@gkravalji8571 3 жыл бұрын

@@ETPKnowledgeJunction intermidate Ka purity check karna sikhne he muje

@ekdanthenvironmentedu 2 жыл бұрын

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

@ekdanthenvironmentedu 2 жыл бұрын

Is it only for cooling purpose?

@rakeshdeshmukh7622 3 жыл бұрын

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

@ETPKnowledgeJunction 3 жыл бұрын

Sure please stay connected 🙏

@jitendragangwar1976 2 жыл бұрын

Sir high bod ka process bta digiye

@mr.traveller..8961 3 жыл бұрын

Sir..

@arun4846 2 жыл бұрын

❤️

@ETPKnowledgeJunction 2 жыл бұрын

You can join telegram group ETP Knowledge Junction

@VikasKumar-nh2jp 3 жыл бұрын

Sir es method ka name kya h

@diptiranisa3782 Жыл бұрын

Black or reference kya hota hai??

@ShrutikaMusale22 2 жыл бұрын

Can you please do video about how to reduce the COD

@ETPKnowledgeJunction 2 жыл бұрын

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

@manojshelar4421 Жыл бұрын

Sir muje cod me problem a Raha hai kuch madat Karo

@navneetgoraya9307 2 жыл бұрын

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

@ETPKnowledgeJunction 2 жыл бұрын

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

@studywithsantoshmadori2216 3 жыл бұрын

Thanks for its work sir..Sir BOD test plz

@ETPKnowledgeJunction 3 жыл бұрын

Sure ... please stay connected 🙏

@ziyad102 3 жыл бұрын

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

@ekdanthenvironmentedu 2 жыл бұрын

It's open reflux method

@studywithsantoshmadori2216 3 жыл бұрын

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

@ETPKnowledgeJunction 3 жыл бұрын

Haan dost

@sandeepbadgujar1995 3 жыл бұрын

Sir requarrd BOD test and mee plant operation plz.

@ETPKnowledgeJunction 3 жыл бұрын

For BOD please wait

@sandeeppathak8890 3 жыл бұрын

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

@ETPKnowledgeJunction 3 жыл бұрын

What is MLSS and 30min settling??

@sintusagar8017 3 жыл бұрын

Bod ke bare me video banio

@pallavinawlakhe1122 5 ай бұрын

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

@ETPKnowledgeJunction 4 ай бұрын

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

@___piyush____03 Жыл бұрын

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

@SaurabhSharma-xn5dp 3 жыл бұрын

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 3 жыл бұрын

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 2 жыл бұрын

@@ETPKnowledgeJunction ap apna contact number share karain please

@Cricketwonders100 2 жыл бұрын

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

@nba9604 3 жыл бұрын

How to measure COD by Uv vis spectroscopy?

@ETPKnowledgeJunction 3 жыл бұрын

Sorry no idea..

@govindraj- Жыл бұрын

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

@ETPKnowledgeJunction Жыл бұрын

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

@govindraj- Жыл бұрын

@@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 Жыл бұрын

IS code 3025 part 58 padho google pr

@satyendraKuma 11 ай бұрын

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

@ETPKnowledgeJunction 11 ай бұрын

Main samjha nahi.

@varmahitesh9600 3 жыл бұрын

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 3 жыл бұрын

Yap please go through the IS code 3025 part 58.

@BasicinformationlearningHome Жыл бұрын

Sir, K2cr2o7: H2So4

@pragatisingh1284 2 жыл бұрын

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

@ETPKnowledgeJunction 2 жыл бұрын

IS 3025 part 58

@pragatisingh1284 2 жыл бұрын

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

@sumitdevdas3883 4 ай бұрын

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

@ETPKnowledgeJunction 4 ай бұрын

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

@chauhankundansinh9357 2 ай бұрын

Why 8000 used in formula ??

@sangayyapuranikmath9452 2 жыл бұрын

Hard ness calculation formula and p and m alkalinity

@ETPKnowledgeJunction 2 жыл бұрын

Join telegram group ETP Knowledge Junction

@SinghBalaji261 8 ай бұрын

Feraon indicator kese banaye sir

@ETPKnowledgeJunction 8 ай бұрын

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.

@michaelhaack7471 10 ай бұрын

Erst das Wasser dann die Säure, sonst geschieht das ungeheure

@ETPKnowledgeJunction 10 ай бұрын

You are right ✅️

@VinodKumar-wy9ks 3 жыл бұрын

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 3 жыл бұрын

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

@VinodKumar-wy9ks 3 жыл бұрын

@@ETPKnowledgeJunction sir blank ki COD range kitani hoti he

@ETPKnowledgeJunction 3 жыл бұрын

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

@VinodKumar-wy9ks 3 жыл бұрын

@@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 3 жыл бұрын

Sir reply me please

@shreyasdesai5837 3 жыл бұрын

Sir I can't get the calculation of cod

@ETPKnowledgeJunction 3 жыл бұрын

Where???

@ronnydsouza2706 3 жыл бұрын

@@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??

@LokeshSharma-pl3vo 7 ай бұрын

1/9 sample kio teyar kiy jata h?

@ETPKnowledgeJunction 7 ай бұрын

@___piyush____03 Жыл бұрын

Sir please contact numbers video ke sa ta add ka re

@sporttubegaming2887 4 ай бұрын

How much money u spend on this

@ETPKnowledgeJunction 4 ай бұрын

As a content creator, the investment in producing KZfaq 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 4 ай бұрын

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

@Cricketwonders100 2 жыл бұрын

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

@gamingteamofficial1406 Жыл бұрын

0.5 se se kaise divided

@sangayyapuranikmath9452 2 жыл бұрын

You don't added silver sulphate

@ETPKnowledgeJunction 2 жыл бұрын

Preadded

@ChandanSingh-wu5lm 3 ай бұрын

N ka value kaise put up kiye

@ETPKnowledgeJunction 3 ай бұрын

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

@adilkhan1879 2 жыл бұрын

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 2 жыл бұрын

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

@adilkhan1879 2 жыл бұрын

@@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 2 жыл бұрын

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

@rajchauhan2824 Жыл бұрын

Pdf dedo sir

@ankushdongre8004 2 жыл бұрын

Isme 8000 kya hai

@ETPKnowledgeJunction 2 жыл бұрын

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

@PankajSharma-dn9ke 7 ай бұрын

8000 kese aya sir

@ETPKnowledgeJunction 7 ай бұрын

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.