Derniers inventions, produits et services
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2014
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Invention
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Removal of dissolved selenium from aqueous solutions. Processes for treating aqueous solutions to... |
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2009
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Invention
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Processes for producing h2s using sulphur-reducing bacteria. There is provided a process for prod... |
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2008
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Invention
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Selective sulphate removal by exclusive anion exchange from hard water waste streams. The inventi... |
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2007
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Invention
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Nickel sulphide precipitation processes. The invention provides hydrometallurgical processes by w... |
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