Substrate inhibition and pH effect on denitritation with granular biomass

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY
Stanislava Kecskésová, Zuzana Imreová, Bibiána Kožárová, J. Derco, M. Drtil
{"title":"Substrate inhibition and pH effect on denitritation with granular biomass","authors":"Stanislava Kecskésová, Zuzana Imreová, Bibiána Kožárová, J. Derco, M. Drtil","doi":"10.2478/acs-2019-0013","DOIUrl":null,"url":null,"abstract":"Abstract Undissociated HNO2 (up to 2 mg dm−3) was confirmed as substrate inhibitor for granular biomass from a denitritation upflow sludge bed reactor used for biological removal of nitrite. On the contrary, total nitrite nitrogen (N-NO2 up to 500 mg dm−3) and methanol (COD up to 2000 mg dm−3) were not proven to be inhibitors. pH also affected the denitritation efficiency (optimal pH was 5.9). Reduction of HNO2 concentration in the reactor by effluent recycling is recommended.","PeriodicalId":7088,"journal":{"name":"Acta Chimica Slovaca","volume":"12 1","pages":"91 - 96"},"PeriodicalIF":0.9000,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Chimica Slovaca","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2478/acs-2019-0013","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0

Abstract

Abstract Undissociated HNO2 (up to 2 mg dm−3) was confirmed as substrate inhibitor for granular biomass from a denitritation upflow sludge bed reactor used for biological removal of nitrite. On the contrary, total nitrite nitrogen (N-NO2 up to 500 mg dm−3) and methanol (COD up to 2000 mg dm−3) were not proven to be inhibitors. pH also affected the denitritation efficiency (optimal pH was 5.9). Reduction of HNO2 concentration in the reactor by effluent recycling is recommended.
基质抑制和pH对颗粒状生物质反硝化的影响
摘要无缔合HNO2(高达2 mg dm−3)被证实是反硝化上流污泥床反应器中颗粒生物质的底物抑制剂,该反应器用于生物去除亚硝酸盐。相反,总亚硝酸盐氮(N-NO2高达500 mg dm−3)和甲醇(COD高达2000 mg dm−2)未被证明是抑制剂。pH值也影响反硝化效率(最佳pH值为5.9)。建议通过废水再循环降低反应器中HNO2的浓度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信