Laboratory Leaching Tests to Investigate Mobilisation and Recovery of Metals from Geothermal Reservoirs

Table 7

Concentration of the “at risk” elements in each leachate from the flow-through reaction.

Element	Ag	Co	Ga	Mo	Sb	Sr	V	W	Total ‘at risk’
Sample	PPB	PPB	PPB	PPB	PPB	PPB	PPB	PPB	PPB
HTL322 + DI water 1		4.24		0.6	19.45	844.57		0.19	869.05
HTL322 + DI water 2		2.77		0.6	15.81	660.15		0.07	679.40
HTL322 + DI water 3		2.02		0.5	65.22	489.79		0.05	557.58
HTL322 + 0.1 M acetic acid		0.81		8.6	91.66	414.46		0.23	515.76
HTL324 + DI_water	0.09	0.28		3.8	18.75	377.31	0.3	1.06	401.59
HTL324 + 0.1 M acetic acid						2837.00			2837.00
HTL321 + DI_water						1526.00			1526.00
HTL321 + 0.1 M acetic acid						1094.00			1094.00
HTL315 + 0.1 M acetic acid		209.29				8.38	10		227.67
HTL319 + 0.1 M acetic acid	90	9.2927			440	95.15		470	1104.45
HTLMix + 0.1 M acetic acid	20	94.967				918.33			1033.30

: concentration was under the detection limit.