化学抑尘剂对铜尾矿库区草本植物适生性的影响

doi:10.12068/j.issn.1005-3026.2022.12.018

东北大学学报（自然科学版） ›› 2022, Vol. 43 ›› Issue (12): 1799-1804.DOI: 10.12068/j.issn.1005-3026.2022.12.018

• 资源与土木工程 • 上一篇

化学抑尘剂对铜尾矿库区草本植物适生性的影响

魏作安¹，谢金鑫¹，赵筠康²，路停¹

(1. 重庆大学资源与安全学院，重庆400044； 2. 中路黄河(山西)交通科技集团有限公司，山西太原030000)

发布日期:2022-12-26
通讯作者: 魏作安
作者简介:魏作安(1965-)，男，江西南昌人，重庆大学教授，博士生导师.
基金资助:
国家重点研发计划项目(2017YFC0804609).

Effect of Chemical Dust Suppressants on Suitability of Herbaceous Plants in Copper Tailings Ponds

WEI Zuo-an¹， XIE Jin-xin¹， ZHAO Jun-kang²， LU Ting¹

1. School of Resources and Safety Engineering， Chongqing University， Chongqing 400044， China； 2. China-Road Huanghe

Published:2022-12-26
Contact: WEI Zuo-an
About author:-
Supported by:
-

摘要/Abstract

摘要： 为研究铜尾矿库中喷洒化学抑尘剂是否会影响库区复绿植物生长，选择三种复绿植物，种植于铜尾矿中，定期喷洒水和两种化学抑尘剂溶液，通过考察植物发芽率、生长状态、根-土复合体抗剪强度等指标，探究抑尘剂对铜尾矿复绿植物适生性的影响.结果表明，三种植物适生性从高到低为黑麦草、沙打旺、狗牙根.喷洒氯化钙溶液的植物均未发芽.相较于喷洒水，喷洒聚丙烯酰胺溶液更能促进植物生长.喷洒聚丙烯酰胺溶液的黑麦草适生性最优.因此，可以确定黑麦草适合用于铜尾矿库复绿，喷洒聚丙烯酰胺溶液，既能固土抑尘，又能促进植物生长.

关键词: 铜尾矿；化学抑尘剂；草本植物；环境适生性；固土抑尘

Abstract: To study whether spraying chemical dust suppressants in the copper tailings pond will affect plants， three kinds of plants were selected and planted in copper tailings. Water or two chemical dust suppressant solutions were sprayed regularly. The germination rate of grass seeds， the growth status of plant and root， the shear strength of root-soil complex were used as evaluation indexes to study the effects of chemical dust suppressor on the adaptability of plants. The results showed that the adaptability of the three plants to copper tailings from high to low was Ryegrass， Astragalus adsurgens and Cynodon dactylon. The plants sprayed with calcium chloride solution did not germinate. Spraying polyacrylamide can improve the adaptability of plants， and its growth is even better than the plants sprayed with water. Ryegrass sprayed with polyacrylamide solution grew the best. Therefore， it can be determined that Ryegrass is suitable for regreening of copper tailings ponds. The polyacrylamide solution can be sprayed regularly in the tailings ponds， which can not only fix soil and suppress dust， but also improve the adaptability of plants.

Key words: copper tailings; chemical dust suppressant; herbaceous plant; environmental adaptability; solid soil and dust suppression

中图分类号:

TD989

魏作安，谢金鑫，赵筠康，路停. 化学抑尘剂对铜尾矿库区草本植物适生性的影响[J]. 东北大学学报（自然科学版）, 2022, 43(12): 1799-1804.

WEI Zuo-an， XIE Jin-xin， ZHAO Jun-kang， LU Ting. Effect of Chemical Dust Suppressants on Suitability of Herbaceous Plants in Copper Tailings Ponds[J]. Journal of Northeastern University(Natural Science), 2022, 43(12): 1799-1804.

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化学抑尘剂对铜尾矿库区草本植物适生性的影响

Effect of Chemical Dust Suppressants on Suitability of Herbaceous Plants in Copper Tailings Ponds

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