- Mon - Sat 8:00 - 18:00
- [email protected]
- 0086-21-58386256
The accumulation of lead–zinc tailings will cause a series of problems, including geological disasters and environmental pollution. Efficient secondary utilization of lead–zinc …
WhatsApp: +86 18221755073
Further research on the comprehensive utilization of tailings, combining the comprehensive utilization of tailings with environmental treatment, can not only realize good …
WhatsApp: +86 18221755073
Various experiments were conducted to study the effect of use of FFS as a fractional replacement for ordinary portland cement (OPC) in paste backfilling. The physico-chemical properties of both the lead–zinc mill tailings …
WhatsApp: +86 18221755073
In an attempt to promote sustainable vegetation cover on metalliferous tailings, a randomized factorial greenhouse trial of six-month duration was established to determine the …
WhatsApp: +86 18221755073
However, during the past few decades, due to long-term improper mineral utilization, there were about hundreds of millions of tonnes of mine tailing dumps generated …
WhatsApp: +86 18221755073
pattern of lead-zinc tailings coming from different re-sources. Previous research [21] reveals that the mineral phasesofthelead-zinctailingsincludecalcite,dolomite, quartz, kaolinite, galena, …
WhatsApp: +86 18221755073
This paper reviews the potential utilization of tailings as a replacement for fine aggregates, as supplementary cementitious materials (SCMs) in mortar or concrete, and in the production of cement clinker. ... Even if there were all lead …
WhatsApp: +86 18221755073
Lead–zinc tailings are the typical solid wastes in mines with high yield and low utilization rates in some countries at present. They are mainly stockpiled in tailings reservoirs, occupying...
WhatsApp: +86 18221755073
Therefore, the problem of resource utilization of tailings should be solved first. There are some valuable lead-zinc minerals in the tailings of Huangyan Lead-Zinc Mine. Through the …
WhatsApp: +86 18221755073
However, two stumbling blocks complicate the ability of roasting lead–zinc tailings to satisfy the requirements of the SO 2 concentration. One drawback is that the sulfur content of …
WhatsApp: +86 18221755073
Advantages,shortcomings and current research progress of different utilization ways of lead-zinc tailings are reviewed.Properties and research status of unburned ceramsite are …
WhatsApp: +86 18221755073
Maximizing the utilization of industrial by-products, such as iron ore tailings (IOTs) and coal fly ash (CFA), is crucial toward sustainable development. This study provides a …
WhatsApp: +86 18221755073
The utilization of slurry prepared with waste tailings for mine backfilling is a widely used environmentally friendly approach [9].This involves mixing binder, water, and waste …
WhatsApp: +86 18221755073
There are large volumes of lead-zinc tailings (LZT) produced in China and elsewhere in the world. LZT disposal to the landfill is problematic and causes many …
WhatsApp: +86 18221755073
Yi Longsheng, He Lei, Wang Zexiang. Resource Utilization of Lead-zinc Tailings [J]. Multipurpose Utilization of Mineral Resources, 2017, (1): 12-15. doi: 10.3969/j.issn.1000 …
WhatsApp: +86 18221755073
The pozzolanic activity of lead–zinc tailings (LZTs) was enhanced through mechanical grinding, enabling the preparation of a lead–zinc tailing based composite …
WhatsApp: +86 18221755073
The second is the direct utilization of lead–zinc tailings, mainly including the production of building materials and backfill materials. The grades of lead, zinc, sulfur, and fluorite in lead–zinc …
WhatsApp: +86 18221755073
Efficient secondary utilization of lead–zinc tailings is crucial. In this study, the activity of lead–zinc tailings was stimulated by thermal activation. The optimal thermal …
WhatsApp: +86 18221755073
Applying LZTPs to replace cement partially as paste backfill and building material admixtures in the concrete industry may effectively achieve the recycling utilization of …
WhatsApp: +86 18221755073
Mine tailings were collected from a partially-vegetated area in the tailings management facility (TMF) at Gortmore, Silvermines in May 2004 from a depth of 20–30 …
WhatsApp: +86 18221755073
As a result, the utilization of tailings in cement and concrete will be good for the environment both in the solid waste processing and materials using in the construction industry. Keywords: Tailings; Cement; Concrete; Clinker.
WhatsApp: +86 18221755073
from lead‐zinc tailings[J]. Comprehensive utilization of minera l resources,2011(03):47‐49. [11] Chen Yongliang, Zhang Yimin, Chen Tiejun.Research progress …
WhatsApp: +86 18221755073
AbstractThere are large volumes of lead-zinc tailings (LZT) produced in China and elsewhere in the world. LZT disposal to the landfill is problematic and causes many …
WhatsApp: +86 18221755073
The use of cementation process and replacement of cement with mine tailings in the manufacture of concrete is one of the practical approaches to the management of mine …
WhatsApp: +86 18221755073
There are some disposal methods such as tailing dams, dry disposal, in-pit disposal, submarine, and riverine tailings disposal, co-disposal of tailings, and paste …
WhatsApp: +86 18221755073
The addition of lead–zinc tailings to the sintered material can reduce the sintering temperature. The active components contained in lead–zinc tailings can be used in concrete instead of …
WhatsApp: +86 18221755073
Wang et al. (2018) examined the development of an ultra-high-performance concrete (UHPC) sample using a combination of lead-zinc mine tailings. Lead-zinc mine tailings (by …
WhatsApp: +86 18221755073
Firstly, lead-zinc tailings and borax are used to melt and temper lead slag to improve its sintering performance. At 1450 °C, the lead slag melted and tempered by adding …
WhatsApp: +86 18221755073
Lead–zinc tailings are waste materials generated from mineral processing and smelting, and their long-term accumulation poses potential threats to the environment and soil. …
WhatsApp: +86 18221755073
were all lead-zinc tailings or iron or e tailings, the variation content of SiO 2 is 15.50-69 .9 2 in the lead-zinc tailings or 24.19- 75 .23 in the iron ore tailings.
WhatsApp: +86 18221755073
As a part of this comprehensive review, beyond the general MT characterization, Table 1, Table 2, Table 3 will provide a comparative analysis of the top five MTs in terms of …
WhatsApp: +86 18221755073
Serious heavy metals pollution was characterized in the lead/zinc mine tailings dam and surrounding soils, as well as copper slag disposal sites. This study investigates the efficacy of …
WhatsApp: +86 18221755073