Aerobic treatment of selective serotonin reuptake inhibitors in landfill leachate

Environmental Sciences Europe

Table 1 Theoretical and measured concentration of each SSRI spiked in leachate water before an aerobic treatment

Source	Theoretical SSRI	Measured SSRI	(ThOD) SSRI	Measured 48 h Tot. OC	Measured 120 h Tot. OC	Measured 48 h OC*	Measured 120 h OC*
	mg L ⁻¹	mg L ⁻¹	mgO2 L ⁻¹	mgO2 L ⁻¹	mgO2 L ⁻¹	mgO2 L ⁻¹	mgO2 L ⁻¹
Fluvoxamine	5	6	11.0	300	424	49	99
	0.5	0.61	1.1	317	370	66	55
Citalopram	5	3.2	13.1	340	445	89	120
	0.5	0.39	1.3	290	401	39	76
Sertraline	10	10	30.2	482	787	101	311
	1	1.33	3.0	488	740	107	264
Fluoxetine	10	11	22.8	340	950	135	661
	1	0.84	2.3	290	802	85	513
Paroxetine	10	14	22.4	278	395	73	106
	1	1.31	2.2	393	803	188	514

Measured oxygen consumption (Tot. OC) and OC* (Equation 1) after 48 and 120 h with each separate SSRI is compared with theoretical oxygen demand (ThOD) of SSRI tablets. The results of measured total OC are given as mean values (n = 2). *Equation 1.