Trace Elements of Gangue Minerals from the Banbianjie Ge-Zn Deposit in Guizhou Province, SW China. There are many dispersed element-rich Pb-Zn deposits …
Request PDF | On Jan 1, 2009, C.Y. Tang and others published The basin acidification affected by AMD: a case study in Xingren county, Guizhou | Find, read and cite all the research you need on ...
The mineral characteristics of coal gangue from Liupanshui area in Guizhou Province were studied.The results showed that the mixed gangue samples of waste coal roadway gangue and rock gangue had low C content and low calorific value.which could not be used directly as power generation fuel.However,Al enrichment and high contents of Fe and Ca were …
Accordingly, with these interesting geochemical anomalies, the mineralogy and geochemistry of the coals in western Guizhou Province have been extensively examined (e.g., Dai et al., 2005;Li et al ...
trace elements. Western Hunan–Eastern Guizhou Pb-Zn metallogenic belt. There are many dispersed element-rich Pb-Zn deposits hosted by Paleozoic carbonate rocks in the …
The Banian sediment-hosted antimony deposit is a medium-sized deposit located in the Dushan County, South Guizhou, China. Calcite is the dominant gangue mineral and can be divided into two types: white and pink. Pink calcite is intimately associated with mineralization. Sm‐Nd dating of five white calcites yield an isochron age …
Coal gangue (CG) is a rock associated with or symbiotic with ... was taken from a gangue mound in Guizhou Province, China. X-ray Diffraction(XRD) (Rigaku Smartlab, Rigaku Corpo-ration, Japan) results shown in Figure 1 indicated that CG ... constituents of the CG were SiO 2 and Al 2 O 3
Objective: To investigate chemical constituents from Isodon coetsa distributed in Guizhou. Methods: Chemical constituents were isolated and purified by chromatography with silica gel, Sephadex LH ...
An Y-L, Zhou J-X, Meng Q-T, Sun G-T, Yang Z-M. Trace Elements of Gangue Minerals from the Banbianjie Ge-Zn Deposit in Guizhou Province, SW China. …
four (#1–#4) are located in W estern Guizhou, one is in Northwestern Guizhou (#5), and one is in Central Guizhou (#6). All of the CFPPs use local unwashed coal, except CFPP#1, which uses gangue
Gangue minerals in the Banbianjie deposit are very developed, including calcite, dolomite and barite, which are closely associated with sulfides. Hence, the trace …
Coal gangue contain various harmful components, such as heavy metals like Pb, Cd, Cr, Cu, Zn, Hg, Ni, Mn and As, which accumulate in nearby soils4,5.
Section snippets Subject and source. The species P. ensiformis belongs to the genus Pteris and is widely distributed in Japan, Vietnam, Laos, Cambodia, Burma and the south of China, including Zhejiang, Taiwan, Guangdong, Guangxi, Guizhou, Sichuan and other provinces. The whole herb of this plant was used for treatment of gonorrhea …
The rigid–flexible coupling impact contact dynamic model between coal gangue and hydraulic support was established and the contact response difference in the support induced by the difference in impacted components and coal/gangue properties was compared and studied. The results show that the number of collisions, contact force, …
Southwestern Guizhou is a main distribution area of Carlin-type gold deposits in China, and rich in epithermal deposits like antimony, arsenic and mercury. ... pyrite, stibnite, realgar/orpiment, and arsenopyrite. Among them, pyrite is an important gold-bearing mineral. The gangue minerals include quartz, calcite, dolomite, fluorite, clay ...
Coal gangue is one of China's main industrial solid wastes, which contains various harmful heavy metal elements, such as lead (Pb). The long-term accumulation of coal gangue causes Pb to migrate to the surrounding environment due to weathering and rain erosion, eventually endangering human life and health with its continuous …
Guizhou china Junyong Ma, Zhanjun Quan *, Yibo Sun, Jiaqiang Du & Bo Liu coal gangue piles accumulate outside mines and can persist for years, negatively impacting the
Forming environments have important effects on the dispersion and enrichment of trace elements in coal. The C3 coal seam of the Xuanwei Formation in eastern Yunnan was used as a case study to reconstruct the peat-forming environment based on coal facies parameters and geochemical characteristics, and its influence on …
All of the CFPPs use the local fuel (coal, gangue, and coal slime), except for #5, which uses coal produced in western Guizhou. The information about the boiler type, ... The REY contents of coal in Guizhou demonstrate a decreasing trend from north to south (Fig. 1 (b), ... the ash constituents, and the encapsulated minerals in ashes. 37, 38, ...
Morchella conica, isolated from Southwest China, was identified based on its microstructure and ITS rDNA sequence.Nine chemical constituents (1–9) were separated from M. conica through fermentation, and their structures were identified according to spectroscopic data and chemical evidence as follows: two unsaturated fatty acid and …
The major compositions,decomposition mechanisms and the optimum calcined temperature of the gangue at different calcined temperatures were studied by XRF,XRD and …
Coal gangue has become one of the largest industrial solid waste in China, but it is also a kind of reserve resources. Representative coal gangue samples from different coal mines (mainly in Permo-Carboniferous and Jurassic) in Weibei area in Shaanxi Province are collected, and potentially useful elements (Al, Fe, Ga, Ge, U) in …
This study aimed to systematically explore the chemical constituents of D. nobile and its hypoglycemic effect by UPLC-ESI-Q-Orbitrap, network pharmacology and in vivo experiment. The chemical constituents of D. nobile were qualitatively analyzed, and the hypoglycemic compounds were quickly identified. Network pharmacological analysis …
In this study, we take a Guizhou coal gangue slope as a general case, use three-dimensional Particle Flow Code (PFC3D) as the key method, and combine discrete element fluid–structure coupling technology with optimized erosion shear failure theory to determine the erosion failure mechanism of coal gangue slopes. We investigate a coal …
Gangue minerals in the Banbianjie deposit are very developed, including calcite, dolomite and barite, which are closely associated with sulfides. Hence, the trace elements of …
Coal fly ash (CFA), hazardous to the environment and human health, has been considered to be a potential alternative source for rare earth elements (REEs) in recent years. However, information on how REEs distribute and occur in coal fly ash is still incomplete. In this work, particle size analysis, inductively coupled plasma–mass …
Calcite is the dominant gangue mineral and can be divided into two types: white and pink. Pink calcite is intimately associated with mineralization. Sm–Nd dating of five white calcites yield an isochron age of 128.2 ± 3.2 Ma, with initial ... Guizhou province, China, and is one of the important deposits of the Dushan anti-mony ore field ...
Objective: To study the chemical constituents of Eucommia ulmoides in Guizhou Province. Methods: Silica gel, Sephadex LH-20, RP-18, MCI and semi-preparative HPLC were used to study the chemical constituents of Eucommia ulmoides, and the chemical structures were elucidated by application of spectral data. Results: 16 compounds were …
The study on chemical constituents of volatile oil on Blumen balsamifera growing in Guizhou ... The volatile oil of Blaumea balsamifera growing in Guizhou Province was analyzed qualitatively and quantitatively by GC/MS and 28 compounds were identified. The main compounds were L-bomeol, beta-caryophy lene, Camphor, gamma …
Hence, the trace elements of gangue minerals could be used to trace the nature, source and evolution of ore-forming fluids, and the ore genesis of this deposit can be discussed.
To determine the main cause of soil pollution at coal gangues, several coal gangues in Guizhou Province, China that had undergone natural recovery via native plants for 8 years were...
The low impact areas for E. ulmoides were distributed in Guizhou, Zhejiang, Sichuan, eastern Chongqing, southern Shaanxi, western Hubei, eastern Shandong, southern Anhui, southern Gansu, and ...
The Guizhou (or gray) snub-nosed monkey (Rhinopithecus brelichi), is endemic to Guizhou province in southwestern China.Because of the species' restricted distribution and small population (), the …
AMA Style. Tian Y, Wu Y, Lin J, Li X, Xu D, Zhou F, Feng Q. Characterization of the Erosion Damage Mechanism of Coal Gangue Slopes through Rainwater Using a 3D Discrete Element Method: A Case Study of the Guizhou Coal Gangue Slope (Southwestern China).
