CA Grade 3 Wastewater Math, Part 1 of 6 HD

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California Grade 3 Wastewater Math.

Questions? cawastewater@yahoo.com

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Category:

Education

Tags:

• CA
• California
• wastewater
• waste
• water
• math
• grade
• III
• two
• BOD
• NBOD
• DAF
• Wasting
• Rates
• Pump
• Efficiency
• Belt
• Press
• Solids
• loading
• SVI
• F/M
• FM
• MCRT

[Luckykevable]

You’ve done a great job presenting wastewater mathematical concepts and application. Thank you for generously making your work available to people throughout the world.

You Rock!

William Kevin James Utah

[CAwastewater]

@Luckykevable Thanks!

[theoutfielder40]

the unit you use is bizarre,,,,i used american reference book but what the hell are these mcct......philippines

[CAwastewater]

@theoutfielder40 I dont know what you mean by mcct.... do you mean MCRT? MCRT is the average time an activated sludge microorganism will stay in the wastewater system before being wasted or sent out the effluent gate.

Im sorry you don't understand that the units. But they are not bizarre by any means. If you take a CA wastewater exam you must use these units. Im sorry if that inconveniences you but its something you'll have to learn or you will never pass the exam.

[upeanbhupen]

your calculation units became pain in ass for me

[CAwastewater]

@upeanbhupen I'm sorry the units dont match up with what you're used to. I looked at your profile and saw you were from Denmark. As I'm sure you know, Europe and the United States use different units of measure (pounds, kilograms / gallons, liters etc.). These training videos are primarily for the State of California. I only used units that the state of CA will use on their tests. I dont know anything about the exams that are offered in other states or other countries for that matter.

[sactojacobo]

"HELLOOOOO" HE STATED 15x's THAT ""THIS TUTORIAL WAS FOR THE TESTING GIVEN BY THE STATE OF CALIFORNIA!!!

[upeanbhupen]

units? mae SI

[CAwastewater]

I have heard of using the blanket depths instead of the whole volume of the clarifier but I tend to find this slightly invalid due to the fact that most clarifiers are conical in shape on the bottom meaning that the blanket depth would vary depending on where you took your depth reading. Also I was gearing this more towards the exam that the state will actually give you on test day and this is the formula that they want you to use.

[BugFarmer5951]

I have a question about how you figured the wasting rate problem. Does it come out the same for lbs sec syst. that you are using the full volume of the clarifer basin and the mlss concentration, instead of using clarifier gal/ft, mgd * avg depth of blanket* 7000 mg/l * 8.34= lbs of solids in clarifer, then adding that with 41,700 lbs in the aeration basin. I dont doubt your ways, I just never have done it that way. Its great someone took time to try and teach these valuable leasons. Thanks