矿井充水及防治水

介绍了构成矿井充水的条件,从矿井回采、充水水源、充水通道三个角度分析了影响矿井充水的因素,并提出了地面防水、井下防水、疏干降压、矿井及露天矿排水的治理措施,以加强矿井水的防治工作,促进矿井安全生产。     

论煤矿矿井水处理的实际应用与发展前景

本文通过对煤矿矿井水利用的可行性方面进行了探讨,明确了当前我国在煤矿矿井水的应用现状,并总结出矿井水通过处理技术进行处理以后,完全能够将这些水资源应用到各个领域的生产活动当中。通过分析煤矿矿井水的主要水质类别,提出了针对各类矿井水所采用的处理方法,并对我国的煤矿矿井水处理技术的发展前景做出展望。     

井下供水管网技术改造与井下水再利用

矿井开采过程中产生大量的矿井废水,本着建设资源节约型,技术创新型企业的精神,珙泉煤矿充分利用矿井水,对矿井供水管网进行技术改造,实现矿井生产用水水循环,以解决生产用水紧张,并达到节能、节约水资源的目的。     

开滦矿区矿井水资源化研究

针对开滦矿区矿井水的水质特征进行水质分析,结合国内外矿井水的处理方法和工艺,进行矿井水混凝试验研究,提出了矿井水净化的工艺及矿井水净化后的用途,阐述了矿井水资源化的意义.     

屯兰矿矿井水处理及利用

介绍了屯兰矿矿井水的排放规律和水质特征,通过对屯兰矿矿井水一体化净水器处理工艺的探讨,以实现矿井水的资源化利用,从而有效地节约水资源、保护环境,提高环境效益、社会效益和经济效益。     

煤矿矿井水的处理与综合利用

煤矿是我国能源消费较高的资源,具有重要作用。而在煤矿开采过程中产生的煤矿矿井水如果不加以处理就会对生态环境和周围居民造成危害。而且,煤矿矿井水的再利用不仅可以满足工业生产和土地灌溉的所需要的用水量,更可以节约水资源,已达到废物再利用的目的。因此,本文就煤矿矿井水的处理技术和优缺点以及对其综合再利用进行深入地探讨。     

煤矿高矿化度矿井水反渗透处理工艺探讨

煤炭开采过程中会产生大量的矿井水,而我国西北煤炭矿区水资源匮乏,因此对矿井水进行深度处理后回用是解决矿区水资源短缺的主要途径。对矿井水进行反渗透处理,是未来矿井水深度处理的发展方向。     

神东矿区矿井水综合利用研究

阐述了神东矿区矿井水开发利用中存在的问题,分析了矿井水的水质特征,探讨了矿井水资源化的处理技术、综合利用途径以及进一步提高矿井水资源综合利用的措施,指出神东矿区矿井水的资源化和综合利用具有显著的经济、社会和环境效益,是缓解其水资源用水矛盾、建立资源节约型矿区的必然选择。     

矿井水的水质及处理工艺

阐述了山西省进行矿井水水质处理的必要性,分析了矿井水资源化的可行性,详细介绍了不同水质状况矿井水的处理方法及工艺原理,并对几种常用处理方法的优点进行了总结,以指导煤炭工业合理回收利用矿井水实现可持续发展。     

瞬变电磁法在煤矿防水中的应用研究

矿井水害一直是困扰煤矿以及废弃矿井的重大安全问题之一,矿井突水尤其严重威胁着煤矿的生产安全。文章以鹊山矿十里河床及周边采空区瞬变电磁法探测数据为基础,试图判断地下采空区是否有充水的可能性并提出建议,希望降低井下因对地下水判断不足而造成的人员伤亡和财物损失。     

吉林靖宇煤矿水文地质条件及充水因素分析

为查明吉林靖宇煤矿涌水条件,对该煤矿的水文地质条件进行了详细的分析,指出靖宇煤矿属于水文地质条件中等的孔洞、裂隙充水矿床,并基于裂隙发育情况、玄武岩厚度、单位涌水量,将矿区整体划分为强富水区和一般富水区,提出了矿井主要的充水因素及矿山安全生产的合理化建议。     

矿井水文地质与矿井水害防治

指出在煤矿生产过程中,水害是生产安全的主要灾害之一,通过了解地下水的基本知识,矿井透水的来源,充水的条件,矿井透水的原因和影响因素,采取针对性的防治方法,为煤矿生产提供安全保障。     

平禹煤电公司一矿防治水技术研究应用

对矿井水文地质条件及矿井主要含水地层进行了分析,结合工程实例,提出了矿井区域治水措施,经实践证明此次治水设计方案取得显著效果,从而有力的保障了矿井的安全生产。     

抚顺西露天矿疏干排水综合利用研究

以抚顺西露天矿为研究背景,分析了矿井疏干排水的水量水质情况,探讨了矿坑排水综合利用的意义,并通过对该矿排水的资源化利用,缓解了矿区水资源的供需矛盾,降低了产煤成本,保护了环境。     

矿山废水处理技术现状

阐述了矿井废水处理及利用的现状,针对煤矿废水的水质特征,介绍了高悬浮物、高矿化度、酸性废水、含重金属、含微有机物这五类煤矿废水的处理工艺技术,以期为煤矿废水的处理研究提供参考借鉴。     

加强探放水工作 防治矿井水患

摘要：结合某矿井水文地质实际情况,分析了该矿井含隔水层的特征,在此基础上进行了探放水设计,分别阐述了探放水钻窝设计、钻眼布置及排水系统设计要点等内容,以期指导实践,杜绝矿井水害威胁,实现安全生产。     

Removal of phosphorus from agricultural wastewaters using adsorption media prepared from acid mine drainage sludge

Excess phosphorus in wastewaters promotes eutrophication in receiving waterways. A cost-effective method for the removal of phosphorus from water would significantly reduce the impact of such wastewaters on the environment. Acid mine drainage sludge is a waste product produced by the neutralization of acid mine drainage, and consists mainly of the same metal hydroxides used in traditional wastewater treatment for the removal of phosphorus. In this paper, we describe a method for the drying and pelletization of acid mine drainage sludge that results in a particulate media, which we have termed Ferroxysorb, for the removal of phosphorus from wastewater in an efficient packed bed contactor. Adsorption capacities are high, and kinetics rapid, such that a contact time of less than 5 min is sufficient for removal of 60-90% of the phosphorus, depending on the feed concentration and time in service. In addition, the adsorption capacity of the Ferroxysorb media was increased dramatically by using two columns in an alternating sequence so that each sludge bed receives alternating rest and adsorption cycles. A stripping procedure based on treatment with dilute sodium hydroxide was also developed that allows for recovery of the P from the media, with the possibility of generating a marketable fertilizer product. These results indicate that acid mine drainage sludges - hitherto thought of as undesirable wastes - can be used to remove phosphorus from wastewater, thus offsetting a portion of acid mine drainage treatment costs while at the same time improving water quality in sensitive watersheds.     

Post-reclamation water quality trend in a Mid-Appalachian watershed of abandoned mine lands

Abandoned mine land (AML) is one of the legacies of historic mining activities, causing a wide range of environmental problems worldwide. A stream monitoring study was conducted for a period of 7 years to evaluate the water quality trend in a Mid-Appalachian watershed, which was heavily impacted by past coal mining and subsequently reclaimed by reforestation and revegetation. GIS tools and multivariate statistical analyses were applied to characterize land cover, to assess temporal trends of the stream conditions, and to examine the linkages between water quality and land cover. In the entire watershed, 15.8% of the land was designated as AML reclaimed by reforestation (4.9%) and revegetation (10.8%). Statistic analysis revealed sub-watersheds with similar land cover (i.e. percentage of reclaimed AML) had similar water quality and all tested water quality variables were significantly related to land cover. Based on the assessment of water quality, acid mine drainage was still the dominant factor leading to the overall poor water quality (low pH, high sulfate and metals) in the watershed after reclamation was completed more than 20 years ago. Nevertheless, statistically significant improvement trends were observed for the mine drainage-related water quality variables (except pH) in the reclaimed AML watershed. The lack of pH improvement in the watershed might be related to metal precipitation and poor buffering capacity of the impacted streams. Furthermore, water quality improvement was more evident in the sub-watersheds which were heavily impacted by past mining activities and reclaimed by reforestation, indicating good reclamation practice had positive impact on water quality over time.