strawPressure {biogas} | R Documentation |
Headspace Pressure in Batch Reactors
Description
Interval-based measurements of headspace pressure in 12 anaerobic batch reactors with straw as the substrate.
Usage
data("strawPressure")
Format
A data frame with 72 observations on the following 5 variables:
bottle
identification code, a unique value for each reactor in the dataset. Integer with all values from 1 to 12.
date.time
date and time of mass measurement, a POSIXct object.
time
elapsed time of mass measurements (from reactor setup) in days, a numeric vector.
pres
absolute bottle headspace pressure at the stated time, in kPa. Biogas accumulated in bottles from the previous time.
pres.resid
absolute bottle headspace pressure after venting, in kPa.
Details
These data are meant to be example data for cumBg
.
Reactors were ca. 600 mL glass serum bottles with butyl rubber septa and screw caps.
Pressure was measured using an electronic manometer.
Data in strawMass
, strawSetup
, and strawComp
are from the same reactors.
Source
Measurements by Charlotte Rennuit.
Examples
data(vol)