Use of in-vitro experimental results to model in-situ experiments: bio-denitrification under geological disposal conditions

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Table 3 Analytical results of vial tests

Series	Run	Time (d)	0	0.2	1	3	7	10	14	20	22	30	50
		Item
B	5	pH	8.0			7.8	7.8	7.9		8.0		8.0
		NO₃ ^– (mmol/dm³)	0.50	0		0.35	0.25	0.25		0.20		0.15
		Relative growth rate ^*1	1.0			2.5	0.5	0.9		0.3		0.3
	6	pH	8.0			7.7	7.8	7.9		7.9		8.1
		NO₃ ^– (mmol/dm³)	0.50			0.35	0.30	0.30		0.20		0.15
		Relative growth rate	1.0			1.8	0.5	0.8		0.3		0.2
	7	pH	8.0			7.7	7.8	7.8		7.9		8.0
		NO₃ ^– (mmol/dm³)	0.55			0.35	0.30	0.25		0.20		0.10
		Relative growth rate	1.0			1.1	0.3	0.4		0.2		0.2
D	12	pH	8.0	7.0	8.0	8.3	8.8
		NO₃ ^– (mmol/dm³)	50	43	3	2	2
		Relative growth rate	1.0	3.10	3.30	0.10	0.30
	13	pH	8.0	7.9	8.4	8.7	8.9
		NO₃ ^– (mmol/dm³)	50	43	45	43	38
		Growth rate	1.0	0.59	0.87	1.90	0.16
E	14	pH	8.0		9.2	8.9	8.7	8.6	8.6		8.3	8.7	8.6
		NO₃ ^– (mmol/dm³)	10		10.4	10.1	9.54	10.5	10.4		10.4	10.1	10.4
		Relative growth rate	1.00		1.20	0.61	0.43	0.28	0.28		0.17	0.09	0.07
		N₂ (mmol/dm³)											0.14
	15	pH	8.0		9.1	9.0	8.8	8.8	8.7		8.7	8.8	8.8
		NO₃ ^– (mmol/dm³)	10		10.3	10.6	10.3	10.6	10.5		10.4	10.3	10.7
		Relative growth rate	1.00		1.26	0.71	0.46	0.34	0.27		0.18	0.11	0.08
		N₂ (mmol/dm³)											0.24