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I have 25L drums of Copper Tetrafluoroborate waste solution.

Can it be neutralised, precipitated in some way, to minimise the amount of waste that goes to landfill?

also, landfills prefer solid waste instead of liquid, so is there any cost effective way to reduce Copper Tetrafluoroborate to a solid?

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closed as too broad by Tyberius, Mathew Mahindaratne, Jon Custer, DrMoishe Pippik, Todd Minehardt Aug 29 at 12:33

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ This would seem to be a question of your local/state/national hazardous waste disposal laws, rules, and regulations (in addition to any institutional added requirements). $\endgroup$ – Jon Custer Aug 28 at 18:22
  • $\begingroup$ Depending on the quantity / concentration of the tetrafluoroborate, the time and equipment at your disposition, you might be interested in the following publication, where authors claim electrocoagulation and -decomposition with sacrificial electrodes of aluminum. At least the abstract is accessible freely: sciencedirect.com/science/article/abs/pii/S0043135419301629 $\endgroup$ – Buttonwood Aug 28 at 19:45