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草浆碱木素过氧化氢氧化氨解制备氨化木质素缓释肥料的研究
Study on ammoxidation of straw-pulp alkaline lignin by hydrogen peroxide to slow-release fertilizer
查看参考文献8篇
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文摘
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研究了草浆碱木素的过氧化氢氧化氨解的工艺过程,研究了各种工艺参数对过氧化氢氧化氨解的影响。在最佳的工艺条件,120℃,90 m in反应时间,20%过氧化氢用量和20%氨水用量下,得到的氨化木质素总氮11.62%,氨态氮4.12%。研究表明过氧化氢完全可以替代氧气作为木质素氧化剂,为草浆碱木素转化成有机肥料提供依据。 |
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其他语种文摘
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A novel method that used hydrogen peroxide as an oxidizer to ammoxidize straw-pulp alkaline lignin was studied.Under the desirable conditions,such as 120℃,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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来源
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环境工程学报
,2009,3(2):279-284 【核心库】
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关键词
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草浆碱木素
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过氧化氢
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氧化氨解
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地址
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1.
中国科学院城市环境研究所, 福建, 厦门, 361012
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中国科学院过程工程研究所, 北京, 100080
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1673-9108 |
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学科
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行业污染、废物处理与综合利用 |
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文献收藏号
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CSCD:3488809
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参考文献 共
8
共1页
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