Patent ID: 11884870
Assignee: AGRANA BETEILIGUNGS-AKTIENGESELLSCHAFT
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  A  F  Y | IPC A  C  F

Claim 17:
18. A process for preparing a process fluid comprising an environmentally compatible biostabilizer adapted for use in the process fluid to reduce microorganisms within a geothermal borehole, the process comprising:
providing water having a hardness of at most 20° dH (German hardness),
adding an environmentally compatible biostabiliser to the water to form the process fluid, wherein the environmentally compatible biostabiliser comprises at least one organic acid or alcohol thereof, wherein the process fluid has a hardness of at most 20° dH (German Hardness), and wherein the at least one organic acid is selected from the group consisting of hop acids to obtain the process fluid.