Μετατροπή διοξειδίου του άνθρακα σε μεθάνιο με τη χρήση αποβλήτων σιδήρου και αναερόβιας λάσπης
Date Issued
May 2018
Author(s)
Advisor
Abstract
In this study a new approach of anaerobic conversion of CO2 to CH4 using iron and anaerobic sludge wastes was investigated. Many studies report the use of ZVI to improve the performance of the anaerobic digestion of waste or sewage, yet this is the first study on the use of pre-treated iron and granular sludge to convert CO2 as the sole source of carbon to methane.
The results show that 100 g / L pretreated by green tea extract scrap or spiral iron, 100 g / L anaerobic granular sludge and initial pH 6.5 contributes to the improvement of the performance to methane production.
In addition, methane production was compared between fully oxidized iron wastes. The results show an improvement in the production as compared to the oxidized iron and oxidized iron impregnated in green extract with the second showing better yield in terms of production rate.
In this study, the physical mechanism of the green extract to the surface of the iron before, during the experiment and after the end of the experiments is not analysed yet only assumption can be made. This development is economically and environmentally beneficial for the industries in terms of carbon dioxide emission and reduction of their pollutants.
The results show that 100 g / L pretreated by green tea extract scrap or spiral iron, 100 g / L anaerobic granular sludge and initial pH 6.5 contributes to the improvement of the performance to methane production.
In addition, methane production was compared between fully oxidized iron wastes. The results show an improvement in the production as compared to the oxidized iron and oxidized iron impregnated in green extract with the second showing better yield in terms of production rate.
In this study, the physical mechanism of the green extract to the surface of the iron before, during the experiment and after the end of the experiments is not analysed yet only assumption can be made. This development is economically and environmentally beneficial for the industries in terms of carbon dioxide emission and reduction of their pollutants.
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