Can I use 500ml wastewater sample in Imhoff cone test?

Robel Sahilu Bekele @Robel-Sahilu-Bekele

21 March 2024 1 903 Report

I am trying to determine settleable solid in wastewater sample. I have 500ml water sample. Is it a must to use 1L sample for Imhoff cone test?

Arne Andersen

Don't know if there is an absolute requirement for volume for the Imhoff cone test. If a smaller volume gives a measurable amount of sediment, then it should be possible to convert to values per litres.

Badges
Science topic

More Robel Sahilu Bekele's questions See All

VOC analysis on GCMS ?

Hi everyone, Can someone explain for me a method to inject VOC collected with Tedlar bag from pyrolysis process and transfer or inject into GCMS. Thanks

22 July 2024 6,398 1 View

How to run Activated Sludge Model (ADM1) in Aquasim software?

I am trying to model a sequencing batch reactor using ASM1 in aquasim. I started from scratch create variables and processes but it doesn't work as I expected. How can I find the ASM1 package...

17 June 2024 4,466 1 View

What is wrong with my oil red staining?

I was trying to do Oil red staining in HepG2 cells (PA induced lipogenesis)

19 June 2023 5,863 6 View

Why are there no distinct(clear) reduction peaks in HER or CO2RR LSV curves?

I am new to the topic of HER/HOR in alkaline media and most of the work I came across don't show clear peaks in the reverse scan or cathodic reduction scans of Linear Sweep Voltagramms. Is there a...

03 January 2023 7,800 0 View

How to find dry edge and wet edge from LST-NDVI scatter plot?

I have two raster dataset of NDVI and LST, both calculated from Landsat data. I have extracted the NDVI and LST values for each pixel. Now I want to calculate the soil moisture index using the LST...

01 September 2022 8,448 1 View

Protholith of metamorphic schists and aluminous gneisses?

How we know whether the origin of metamorphic schists and aluminous gneisses is marine sediments or immature continental sediments. What geochemical or petrological evidence is more appropriate?

02 August 2022 3,762 5 View

What best method do you know (other than the traditional approach) to determine the peak/rush hour time of a traffic stream?

Dear All, I’m planning to conduct a traffic count in the coming days for selected route near my university in Budapest. Currently, I'm attempting to identify the rush hour time along the route....

04 May 2022 8,550 3 View

MOF (Metal Organic Framework) synthesis procedure?

Is there anyone who can send me a step by step procedure for MOF (Metal Organic Framework) synthesis?

02 November 2021 7,332 3 View

Simple procedure to identify polylactic acid producing bacteria?

Is there any simple procedure to identify Poly(Lactic Acid) producing bacteria isolated from soil or waste biomass like using coloring dye?

16 September 2021 9,761 1 View

Magnetic survey spacing between points for heat source?

What is the best data acquisition practice or standard for magnetic measurement spacing for a small caldera to investigate a heat source? even for gravity also?

23 February 2021 9,615 0 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View