Zinc remediation in wastewater : case JSC Smurfit Kappa St Petersburg, Russia
Petrova, Polina (2019)
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:amk-201905027298
https://urn.fi/URN:NBN:fi:amk-201905027298
Tiivistelmä
Zinc is commonly used in industry. However, sometimes it can be challenging to remove zinc ions from wastewaters. JSC Smurfit Kappa faced a problem of having not efficient enough technologies to reduce the amount of released zinc. This study aims to take a look at the available methods of heavy metal removal. Based on the option, which were found during the literature review, this study asks: Which two methods would be the most applicable to the chosen case and beneficial for the company? In this case beneficial concerns not only financial side, but also environmental aspects.
To achieve the set goal, multi-criteria analysis table was chosen for a decision-making process. Five criteria were chosen as the most important ones and every option, included in the scope of work, was evaluated by those criteria. With this method it was found that the most applicable option would be the use of zeolite. After the further research it was recommended to use two-dimensional natural zeolite, clinoptiolite, for the most efficient zinc remediation.
To achieve the set goal, multi-criteria analysis table was chosen for a decision-making process. Five criteria were chosen as the most important ones and every option, included in the scope of work, was evaluated by those criteria. With this method it was found that the most applicable option would be the use of zeolite. After the further research it was recommended to use two-dimensional natural zeolite, clinoptiolite, for the most efficient zinc remediation.