Getachew Gebreeyessus

4 Questions 5 Answers 0 Followers

Questions related from Getachew Gebreeyessus

How is it possible that my GC chromatogrm for the blank run shows some concentrations?

I run GC for vfa tests and the blank run was distilled water. However, it is showing some level of concentration. Is it simply contamination or what? what should I do with my analysis-re run or what?

12 December 2019 6,158 2 View

What is a possible solution for a modified UASB that is pH around 8, full of nitrogen BUT TOO LESS METHANE?

My modified UASB is still full of nitrogen but a decreasing methane content as it is starting up. The pH remains around 8. I stopped the feed. Is it good to continue feeding or there is other...

11 November 2019 282 3 View

How much difference between COD and the Total solid in food processing industries' wastewater is acceptable?

If we analyze wastewater from the sugar industry, what difference can we expect between the total solid and COD? OR IT CAN BE ANY ORGANIC WASTE WHAT WOULD BE THE POSSIBLE CAUSE OF DISPARITY...

09 September 2019 7,011 5 View

How can I find a reference pattern (library) for my XRD pattern freely?

Any accessible library

08 August 2019 2,207 3 View