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

Table 6

Physical properties of each fluid-rock interaction in the flow-through reactor.

Leachate ID	Rock sample ID	Rock sample origin	Rock sample type	Rock sample characteristics	Solvent	Pressure minimum (bar)	Pressure maximum (bar)	Residence time (min)
HTL322 + DI water 1	HTL322	HU Rudabánya	MVT	Banded baritic lead ore from a metasomatic deposit hosted by limestone	Deionised water	225	290	36
HTL322 + DI water 2						250	257	48
HTL322 + DI water 3						250	285	35
HTL322 + 0.1 M acetic acid					0.1 M acetic acid	250	260	48
HTL324 + DI_water	HTL324	HU Recsk	Porphyry	Intrusion-related porphyry copper deposit	Deionised water	220	240	25
HTL324 + 0.1 M acetic acid					0.1 M acetic acid	250	250	38
HTL321 + DI_water	HTL321	RO Cacova Ierii	Skarn	Magnetite deposit enriched in sulphides with visible chalcopyrite	Deionised water	240	248	52
HTL321 + 0.1 M acetic acid					0.1 M acetic acid	250	270	27
HTL315 + 0.1 M acetic acid	HTL315	UK South Caradon	Granite-hosted mineralisation	Mainstage mineralisation associated with granite bodies	0.1 M acetic acid	250	281	37
HTL319 + 0.1 M acetic acid	HTL319	UK Cligga Head	Granite-hosted mineralisation	Tin-tungsten mineralisation associated with granite bodies	0.1 M acetic acid	218	265	42
HTLMix + 0.1 M acetic acid	HTLMix	UK Herodsfoot	Baked sediments with mineralised veining	Mixture of various samples containing galena, sphalerite, and some chalcopyrite	0.1 M acetic acid	250	289	36