Hexavalent chromium contaminated soil repairing material, and preparation method and soil repairing method thereof

The invention provides a hexavalent chromium contaminated soil repairing material. The hexavalent chromium contaminated soil repairing material comprises a textile adsorbing material containing modified polyacrylonitrile fibers, and the structural formula of the modified polyacrylonitrile fibers is...

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Bibliographische Detailangaben
Hauptverfasser:	TIAN LIANG, GUO FENG, ZHAO GONGCHENG, LIU GENGSHENG, ZHAO YING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMISTRY DISPOSAL OF SOLID WASTE DYES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	The invention provides a hexavalent chromium contaminated soil repairing material. The hexavalent chromium contaminated soil repairing material comprises a textile adsorbing material containing modified polyacrylonitrile fibers, and the structural formula of the modified polyacrylonitrile fibers is represented by formula (I). The invention also provides a preparation method of the hexavalent chromium contaminated soil repairing material, and a soil repairing method using the hexavalent chromium contaminated soil repairing material. The hexavalent chromium contaminated soil repairing material has an obvious repairing effect on heavy metal Cr(VI) contaminated soil, can reduce the content of total chromium, Cr (VI) and available chromium in the soil, and can effectively reduce the bioavailability of chromium in the soil. 本发明提供了种六价铬污染土壤修复材料，包括含有改性聚丙烯腈纤维的纺织吸附材料，所述改性聚丙烯腈纤维结构式如式(I)所示，另外，本发明还提供了该六价铬污染土壤修复材料的制备方法以及利用该六价铬污染土壤修复材料修复土壤的方法。本发明对重金属Cr(Ⅵ)污染土壤具有明显的修复效果，可以降低土壤中总铬、Cr(Ⅵ)，有效态铬的含量，且能有效降低土壤中铬的生物有效性。