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

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Table 2 Analytical results of in-vitro tests (glass ampule tests)

Series	Run	Time (d)	Liquid phase						Gas phase			Solid phase			Relative growth rate of microorganism^*1
			pH	TOC	T-N	NO₃ ^–	NO₂ ^–	NH₃	N₂	CO₂	NH₃	C	H	N
			pH	mmol/dm³					mmol/dm³			mmol/dm³
A	1	50	7.7	3.2	22	6.2	2.0	19	5.4	ND	ND	18	44	3.8	0.67
	2	6	6.9	130	13	8.6	0.7	3.4	3.4	ND	ND	24	44	3.2	0.63
	2	28	7.2	140	2.0	ND	ND	3.4	9.0	ND	ND	20	38	2.4	0.3
	2	50	7.3	140	2.4	ND	ND	3.4	8.4	ND	ND	24	44	3.0	0.44
B	3	10	8.7	2.0	9.4	3.0	0.2	2.8	3.6	ND	ND	17	38	5.2	0.32
B	4	10	8.5	2.0	50	44	1.6	2.6	2.8	ND	ND	18	36	2.0	0.27
C	8	1	8.3	2.2	47	48	0.4	0.1	-	-	-	2.6	5.2	0.6	0.53
	8	11	8.3	3.0	47	44	2.2	0.7	0.4	ND	ND	0.9	1.4	0.2	0.04
	9	1	8.3	1.7	47	46	0.4	0.1	-	-	-	1.6	2.8	0.2	0.85
	9	11	8.4	3.2	47	44	2.2	0.7	0.4	ND	ND	0.6	0.5	0.2	0.055
	10	1	8.4	5.0	49	48	0.2	0.1	-	-	-	1.3	2.0	0.2	0.74
	10	11	8.0	7.6	47	42	4.0	1.1	0.5	ND	ND	2.2	2.4	0.6	0.058
	11	1	8.3	30	50	50	ND	0.2	-	-	-	1.0	1.7	0.1	0.63
	11	11	8.5	34	49	46	0.4	1.1	0.5	ND	ND	3.2	5.0	0.3	0.013