Table 1.

Full-Scale Wastewater Treatment Plants Surveyed

sample	location	reactor type	biomass type	feed type	% CMXg CDS/total CDS
EB DEMONa	California, USA	DEMON	granule	SSb	0.46
EB MBBRc	California, USA	MBBR	biofilm	SS	0.46
SF DEMON	California, USA	DEMON	granule	SS	0.49
SF MBBR	California, USA	MBBR	biofilm	SS	0.47
PDR 1	California, USA	ClearGreend	mixed liquor	MSe	0.38
PDR 2	California, USA	ClearGreen	mixed liquor	MS	0.45
DK overflow	Denmark	hydrocyclone	overflow	MS	0.49
DK underflow	Denmark	hydrocyclone	underflow	MS	0.54
DK ALT	Denmark	hydrocyclone	ALT (mixed liquor)	MS	0.32
DK inoculum	Denmark	–	inoculum	–	0.64
SG biofilm	Singapore	BNRf	biofilm	MS	0.46
SG AS	Singapore	BNR	activated sludge	MS	0.57
VA MBBR 1	Virginia, USA	MBBR	biofilm	MS	0.28
VA MBBR 2	Virginia, USA	MBBR	biofilm	MS	0.45
VA BNR 1	Virginia, USA	BNR	mixed liquor	MS	0.57
VA BNR 2	Virginia, USA	BNR	mixed liquor	MS	0.36

^aDEMON, DEamMONification.

^bSS, sidestream wastewater.

^cMBBR, moving bed biofilm reactor.

^dClearGreen, cyclic low-energy ammonium removal.

^eMS, mainstream wastewater.

^fBNR, (conventional) biological nitrogen removal.

^gCMX, complete ammonia-oxidizing bacteria; total CDS found in Table S1.