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23 hrs confidence:
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10 mins peer agreement (net): +1 |
| Reference Reference information: Poate gasesti ceva util in linkurile de mai jos. http://www.aramis.admin.ch/Default.aspx?page=Texte&projectid... http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V... http://www.biorenew.org/index.php?option=com_content&task=vi... A novel method that used hydrogen peroxide as an oxidizer to ammoxidize straw-pulp alkaline lignin was studied. The purpose of this research was to find a more efficient way to utilize technical lignin, which is a major pollutant in China. The ammoxidation process was employed to nitrogen-modify straw-pulp lignin using ammonia liquor and hydrogen peroxide. At the desirable conditions, such as 120°C, 90 min reaction time, 20% hydrogen peroxide charge, and 20% ammonia charge, the nitrogen content of the ammoxidized product reached 11.62% and the ammonia nitrogen was 4.12%. The study showed that hydrogen peroxide could completely substitute for oxygen as an oxidizer for ammoxidizing alkaline lignin. Straw-pulp alkaline lignin can be effectively converted into slow-release fertilizer. |
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