堆肥污泥辅助金矿尾矿适生植物筛选的初步研究

doi:10.11934/j.issn.1673-4831.2018.02.012

生态与农村环境学报 ›› 2018, Vol. 34 ›› Issue (2): 184-192.doi: 10.11934/j.issn.1673-4831.2018.02.012

• 污染控制与修复 • 上一篇

堆肥污泥辅助金矿尾矿适生植物筛选的初步研究

郭可欢^1,2, 艾艳君¹, 常晓囡², 谢雯倩², 卢赛², 于浩然³, 李富平^1,4,5, 谷海红^1,4,5

1. 华北理工大学矿业工程学院, 河北唐山 063000;
2. 华北理工大学化学工程学院, 河北唐山 063000;
3. 华北理工大学建筑工程学院, 河北唐山 063000;
4. 河北省矿业工程开发与安全技术重点实验室, 河北唐山 063000;
5. 唐山市矿区生态修复产业技术研究院, 河北唐山 063000

收稿日期:2017-07-13 出版日期:2018-02-25 发布日期:2018-02-09
通讯作者: 谷海红,E-mail:haihonggu1982@hotmail.com E-mail:haihonggu1982@hotmail.com
作者简介:郭可欢(1994-),女,河北石家庄人,硕士生,主要从事矿山生态恢复与重建方面的研究。E-mail:guokehuan1994@163.com
基金资助:
河北省自然科学基金-钢铁联合基金项目（E2015209300）；河北省高等学校青年拔尖人才计划（BJ2014029）；河北省引进留学人员资助项目（CL201633）；唐山市科技计划（14130235B）；华北理工大学研究生创新项目（2017B17）；大学生创新创业训练计划（X2016147，X2017136，X2017137）

Screening of Pioneer Plants for Gold Tailings Amended With Composted Sewage Sludge

GUO Ke-huan^1,2, AI Yan-jun¹, CHANG Xiao-nan², XIE Wen-qian², LU Sai², YU Hao-ran³, LI Fu-ping^1,4,5, GU Hai-hong^1,4,5

1. College of Mining Engineering, North China University of Science and Technology, Tangshan 063000, China;
2. College of Chemical Engineering, North China University of Science and Technology, Tangshan 063000, China;
3. College of Civil Engineering, North China University of Science and Technology, Tangshan 063000, China;
4. Hebei Key Laboratory of Mining Development and Security Technology, Tangshan 063000, China;
5. Tangshan Research Institute of Ecological Restoration Technology for Mining Industry, Tangshan 063000, China

Received:2017-07-13 Online:2018-02-25 Published:2018-02-09

摘要/Abstract

摘要：

适生植物筛选是尾矿植物修复过程中的关键环节。采用豆科、禾本科与观赏类（景天科和鸭跖草科）共11种植物作为某金矿尾矿适生植物的筛选对象，研究在表层施加堆肥污泥辅助植物定植的情况下，不同植物在金矿尾矿中的生长情况及尾矿中速效养分的变化情况。结果表明，沙打旺（Astragalus adsurgens）、黑麦草（Lollum multiflorum）、高羊茅（Festuca arundinacea）及八宝景天（Sedum spectabile）具有较高的出苗率和存活率，长势良好，生物量大，可作为供试金矿尾矿的优势修复植物。研究还发现施加堆肥污泥可促进植物生长，增加植物的生物量及尾矿中速效养分，但对植物出苗率有不同程度的抑制作用。综合分析表明，施加w=10%的堆肥污泥可起到有效辅助植物定植的作用，但重金属的潜在淋溶及生态风险还值得深入研究。

关键词: 金矿尾矿, 植物筛选, 堆肥污泥, 生长指标, 尾矿养分

Abstract:

Screening of appropriate species of pioneer plants is crucial to phytoremediation of gold tailings. In order to screen suitable species of pioneer plants for gold mine tailings, eleven species of plants, including leguminous, gramineous and ornamental plants, were selected for the test. In the test, composted sewage sludge was amended in the field of gold tailings to assist the plants in setting-up and growing and then its effects on growth of the plants and changes in content of available nutrients in the field were monitored. Results show that among the 11 species of plants tested, erect milkvetch(Astragalus adsurgens), ryegrass (Lollum multiflorum), tall fescue (Festuca arundinacea) and sedum spectabile (Sedum spectabile) were found higher in emergence rate and survival rate, better in growth and larger in biomass, so the four species of plants could be used as pioneer plants for phytoremediation of fields of mine tailings. Besides, applying composted sewage sludge was beneficial to plant growth, accumulation of plant biomass and supply of available nutrient, but did have certain inhibitive effect on emergence of plant seedlings.

Key words: gold tailings, plant screening, composted sewage sludge, plant growth indices, nutrients in tailings

中图分类号:

郭可欢, 艾艳君, 常晓囡, 谢雯倩, 卢赛, 于浩然, 李富平, 谷海红. 堆肥污泥辅助金矿尾矿适生植物筛选的初步研究[J]. 生态与农村环境学报, 2018, 34(2): 184-192.

GUO Ke-huan, AI Yan-jun, CHANG Xiao-nan, XIE Wen-qian, LU Sai, YU Hao-ran, LI Fu-ping, GU Hai-hong. Screening of Pioneer Plants for Gold Tailings Amended With Composted Sewage Sludge[J]. Journal of Ecology and Rural Environment, 2018, 34(2): 184-192.

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堆肥污泥辅助金矿尾矿适生植物筛选的初步研究

Screening of Pioneer Plants for Gold Tailings Amended With Composted Sewage Sludge

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