Abstrakti
The present invention concerns a process for removing metal ions from waste water, which process comprises providing plant-derived anionic nanofibrillar cellulose, carrying out a purification treatment comprising sorption of positively charged metal ions contained in the waste water to said nanofibrillar cellulose, separating used plant-derived anionic nanofibrillar cellulose from the waste water, and recovering treated waste water. The invention also concerns use of plant-derived anionic nanofibrillar cellulose for removing metal ions from waste water.
Alkuperäiskieli | englanti |
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Julkaisuvuosi | 15 helmik. 2019 |
Tila | Julkaistu - 15 helmik. 2019 |
OKM-julkaisutyyppi | H1 Myönnetyt patentit |
Tieteenalat
- 1172 Ympäristötiede