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Hexane and Octane Removal Data

Photo-placeholderBy cbhave on May 23, 2008
Viewed 132 times
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This data, from the EPA, shows how much hexane and octane current removal methods remove.

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Data Summary

Showing last 6 rows and first 4 columns
Feed Rate (scfm) Feed Hexane (ppm) Feed i-Octane (ppm) Residue Hexane (ppm) Residue i-Octane (ppm) Total Hydrocarbon Removal (%)
Clear Clear Clear Clear Clear Clear
25.8 890 650 74 65 91.0%
29.7 400 250 46 30 88.0%
30.8 660 520 74 59 89.0%
27.4 180 170 20 20 89.0%
31.4 640 480 78 58 88.0%
29.3 350 230 37 28 89.0%
more... more... more... more... more... more...

Recent Comments

Sarah Angelo says

Hey, Chaitanya, any idea how you remove 8000% of something? Or am I reading your graph wrong?

posted 6 months ago

cbhave says

It was a mistake in the spreadsheet. I put number type as percentage but inputed a whole number, thus, we get 8000%!

posted 6 months ago

cbhave says

The method is called Membranes Separation Method. Here is the EPA description as part of the report: "In the process, organic
vapor-laden air contacts one side of a membrane that is permeable
to organic vapors but relatively impermeable to air. A partial
vacuum, applied to the other side, draws the organic vapor
through the membrane. The permeate vapor is then compressed
and condensed to recover the organic fraction. The purified
airstream is removed on the feed side." This method is still being tested, so it is not in widespread use yet, when testing is over, the EPA will release the information and recommendations.

posted 6 months ago

Popular Graphs

Column Summaries

Show columns: 1 - 4 5 - 6
Feed Rate (scfm)
Clear
Feed Hexane (ppm) by Feed Rate (scfm)

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31.4
29.0667
25.8
174.4
1.93
Feed Hexane (ppm)
Clear
Feed Rate (scfm) by Feed Hexane (ppm)

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890
520
180
3,120
234.45
Feed i-Octane (ppm)
Clear
Feed Rate (scfm) by Feed i-Octane (ppm)

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650
383
170
2,300
176.04
Residue Hexane (ppm)
Clear
Feed Rate (scfm) by Residue Hexane (ppm)

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78
54
20
329
21.91