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Biotechnology & Biotechnological Equipment Volume 29, 2015 - Issue 6
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Articles; Agriculture and Environmental Biotechnology

Preparation characteristics and accelerating denitrification effectiveness of polyamide 6 modified by AQS

Qing XuDepartment of Polymer Materials Science and Engineering, School of Materials Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, ChinaView further author information
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Jianbo GuoDepartment of Polymer Materials Science and Engineering, School of Materials Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, China;Pollution Prevention Biotechnology Laboratory of Hebei Province, School of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, ChinaCorrespondence[email protected] [email protected]
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Chunmei NiuDepartment of Polymer Materials Science and Engineering, School of Materials Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, ChinaView further author information
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Zhenghao HouDepartment of Polymer Materials Science and Engineering, School of Materials Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, ChinaView further author information
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Huayu ZhangDepartment of Polymer Materials Science and Engineering, School of Materials Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, ChinaView further author information
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Jing LianPollution Prevention Biotechnology Laboratory of Hebei Province, School of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, ChinaView further author information
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Yankai GuoPollution Prevention Biotechnology Laboratory of Hebei Province, School of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei, Shijiazhuang, ChinaView further author information
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Pages 1085-1091 | Received 12 Mar 2015, Accepted 15 Jun 2015, Published online: 13 Jul 2015

Figures & data

Table 1. Levels and factors affecting the content of the amino groups.

Table 2. Hydrolysis of PA6 in orthogonal experiment and range analysis data of the amino group content.

Figure 1. Effect of PA6-AQS with different sulphonation times (A) and with different sulphonation temperatures (B) on the decolourization efficiency.

Figure 1. Effect of PA6-AQS with different sulphonation times (A) and with different sulphonation temperatures (B) on the decolourization efficiency.

Figure 2. SEM of PA6 and PA6-AQS.

Figure 2. SEM of PA6 and PA6-AQS.

Figure 3. TGA (A) and DSC (B) of PA6, PA6-N and PA6-AQS.

Figure 3. TGA (A) and DSC (B) of PA6, PA6-N and PA6-AQS.

Figure 4. Application of PA6-AQS for denitrification. Effect of PA6-AQS on the denitrification efficiency (A). Repeated usage of PA6-AQS for denitrification (B).

Figure 4. Application of PA6-AQS for denitrification. Effect of PA6-AQS on the denitrification efficiency (A). Repeated usage of PA6-AQS for denitrification (B).

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