***Effluent pH correlates with electrochemical nitrogen recovery efficiency at pilot scale operation***
Authors: Mariana Rodrigues a,b, Sam Molenaar c, Joana Barbosa a, Tom Sleutels a, Bert Hamelers a,b, Cees Buisman a,b, Philipp Kuntke a,b, *
a Wetsus, European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911MA Leeuwarden; P.O. Box 1113, 8900CC Leeuwarden The Netherlands
b Environmental Technology, Wageningen University, Bornse Weilanden 9, 6708WG Wageningen; P.O. Box 17, 6700 AA Wageningen, The Netherlands
c Purewater Group, Korte Hei 3, 4714 RD Sprundel, The Netherlands

Corresponding author: philipp.kuntke@wur.nl 
***General Introduction***
This dataset contains data collected during experiments on nitrogen recovery from urine using a pilot bipolar electrodialysis plant(BP-ED). It is being made public both to act as supplementary data for publication and in order for other researchers to use this data in their own work.
This work was performed in Wetsus, European Centre of Excellence for Sustainable Water Technology, between April 2020 and February 2021. This work was also supported by the LIFE-NEWBIES project (LIFE17 ENV/NL/000408).
Files: LIMS_analytical data.csv - includes the analytes measured from the influent (feed), effluent (feed ed), concentrate (conc), anode and cathode solution (ano) and acid solution (strip) of all different experiments as indicated in the "description" column.
50 A.m-2 LN 1.5 (1).csv (50A.m-2; LN 1.5; continuous current) [24000-34800]
50 A.m-2 LN 1.5 (2).csv (50A.m-2; LN 1.5; continuous current)    [7200-14800]
100 A.m-2 LN 0.5.csv (100A.m-2; LN 0.5; continuous current) [7000-14200]
100 A.m-2 LN 1 (1).csv (100A.m-2; LN 1; continuous current)  [3850-5000]
100 A.m-2 LN 1 (2).csv (200A.m-2; LN 1.5; continuous current)  [20000-25500]
100 A.m-2 LN 1.5 (1).csv (100A.m-2; LN 1.5; continuous current)  [14400-22000]
100 A.m-2 LN 1.5 (2).csv (100A.m-2; LN 1.5; continuous current) [6000-10000]
100 A.m-2 LN 2.5 (1).csv (100A.m-2; LN 2.5; continuous current) [19000-26200]
100 A.m-2 LN 2.5 (2).csv (100A.m-2; LN 2.5; continuous current)[2800-6400]
200 A.m-2 LN 1.5 (1).csv (200A.m-2; LN 1.5; continuous current)  [6500-10100]
200 A.m-2 LN 1.5 (2).csv (200A.m-2; LN 1.5; continuous current)  [6000-8000]
SR1.csv (pH control)  [1000-3000]
SR2.csv (pH control)  [6000-8000]
SR3.csv (pH control) [4000-7600]
 
- include all the data of the different operation conditions (between brackets - current density; load ratio; mode) [period of seconds selected] recorded every second by the PLC at the pilot plant. The recorded variables were:
Data specific information:
'stPSU001.rVoltageMeasurePV'	Voltage Mesure	V
'stPSU001.rCurrentMeasurePV'	Current Mesure	A
'stPIRA102.rPV'	Filter bag pressure	bar
stFeed.rpH.rPV'		
'stFeed.rC.rPV'	Feed Conductivity	mS/cm
'stHBS112.xDemand'	Feed ED feed pump status	
stP112.rSP' caudal do inf. Inicial	Feed ED feed pump setpoint	L/h
'stFIRCA122PV.rPV'	Feed ED recirculation flow rate	L/h
'stFeedED.rpH'	Feed ED pH	
'stFeedED.rConductivity'	Feed ED conductivity	mS/cm
'stHBS202.xDemand'	anolyte feed pump status	
'stAnolyte.rFlux'	Anolyte flux	mL/h
'stFIRCA212PV.rPV'	Anolyte recirculation flow rate	L/h
'stAnolyte.rpH'	Anolyte pH	
'stAnolyte.rConductivity'	Anolyte conductivity	mS/cm
'stLI210.rPV'	Anolyte level	%
'stHBS240.xDemand'	ano-cato recycle flux pump status	
'stCation.xStackDirty'	Cation concentrate dirty	
'stFIRCA222PV.rPV'	Catolyte recirculation flow rate	L/h
'stCatolyte.rpH'	Catholyte pH	
'stCatolyte.rConductivity'	Catholyte conductivity	mS/cm
'stLI220.rPV'	Catolyte level	%
stHBS302.xDemand'	cation concentrate feed pump status refill	
'stCation.rFlux'	Cation concentrate flux	L/h
'stHBSP321.xDemand'	cation concentrate flux pump status	
'stCation.rFlux'	Cation concentrate flux	L/h
'stFIRCA322PV.rPV'	Cation Concentrate recirculation flow rate	L/h
'stCation.rpH'	Cation concentrate pH	
'stCatolyte.rConductivity'	Catholyte conductivity	mS/cm
'stLI321.rPV'	Cation concentrate level	%
'stFIRCA402PV.rPV'	TMCS recirculation flow rate 	L/h
'stP422.rSP'	Acid dosin pump	L/h
'stFIR411.rPV'	Stripper flux	mL/min
'stFIRCA412PV.rPV'	Stripper recirculation flow rate	L/h
'stStripper.rpH'	Stripper pH	
'stStripper.rConductivity'	Stripper Conductivity	mS/cm
rDIR411	product density	


All calculations are included in the manuscript M. Rodrigues et al., (https://doi.org/10.1016/j.seppur.2022.122602).The average was considered over the period described above [].
