Utilization of coal gangue for the production of brick
physico-mechanical properties of a clay ceramic product are related not only to the mineralogical composition of raw materials but also to the preparation process, especially ... with the percentage of the industrial wastes to the clay [5, 9]. Coal gangue was used to make cementitious materials [24–27], but the highest utilization rate is ...
Glass-ceramics fabricated by efficiently utilizing coal …
Glass-ceramics with high strength and lightweight were developed by comprehensively utilizing coal gangue and clay. This work optimized the many processing parameters …
Gangue | Geology Wiki | Fandom
Gangue. Edit. In mining, gangue is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit. The separation of mineral from …
Ecological Mortar from Recycled Composite Powder with Waste Clay …
The clay brick and powder recycled from construction and industrial waste may be utilized as recycled construction materials. To alleviate the negative environmental impact of the cement industry's CO 2 emission, waste clay brick was used as fine aggregate, clay brick powder (CBP), and coal gangue powder (CGP) were utilized as …
A review of the synthesis and application of zeolites …
position of coal gangue and can be used as a basis for de-termining the utilization fields of coal gangue. When mass ratio of Al2O3/SiO2 < 0.30, the main mineral compositions of coal gangue are quartz and feldspar, while kaolinite and oth-er clay minerals are only a minority share. When 0.30 < mass
An Introduction to Montmorillonite Purification | IntechOpen
Purification of montmorillonite is a process to remove non clay minerals (gangue) such as calcite, feldspar, quartz, opal (C-T), and mica from montmorillonite ore. This is performed to make montmorillonite suitable for use in sensitive applications such as pharmaceutical, cosmetic, food, and advanced materials for nanotechnology. Gangue …
Preparation of coal gangue ceramsite high-strength …
Petroleum and natural gas industry standards of the People 's Republic of China,Analysis method for clay minerals and ordinary non-clay minerals in sedimentary rocks by X-ray diffraction(SY/T 5163 ...
Sustainability | Free Full-Text | Preparation of Coal Gangue …
The activated coal gangue was mixed with clay, fluxing agent, and pore-forming agent in a mass ratio of 10:2:0.5:1. MnO 2 was chosen as the fluxing agent, ... In order to effectively recycle and reuse the coal gangue porous ceramic (CGPC) material after the adsorption of lead ions, thereby maximizing the resource utilization of coal …
Synthesis of low-temperature, fast, single-firing body …
Coal gangue is a major industrial solid waste in China, causing great environment pollution. According to phase diagram theory, a low-temperature, fast, single …
Preparation of Coal Gangue-Based Porous Ceramics and …
oxide, manganese dioxide, sodium carbonate, and clay were added. The coal gangue porous ceramic adsorbent was synthesized using a one-step molding and sintering process. The researchers examined the impacts of various factors on the production of porous ceramic adsorbents using coal gangue and explored the adsorption capacity and …
Adsorption removal of cationic dyes from aqueous
Zhou et al. [276] purified contaminated water samples with two cationic dyes [red X-5GN (CR) and X-GRRL (CB)] by applying the ceramic microsphere fabricated from coal gangue. The gangue ceramic ...
RECYCLING OF COAL GANGUE TO PREPARE LOW …
Hao J., Gao Y., Li X., Bai P., Tian Y. 316 Ceramics – Silikáty 63 (3) 315-320 (2019) EXPERIMENTAL Raw materials Calcined flint clay and solid waste coal gangue were obtained from the Yangquan ...
Trace Elements in Coal Gangue: A Review | IntechOpen
Coal gangue is one of the largest industrial residues. It has high ash content, low carbonaceous content, and heating value. Meanwhile, it has some trace elements. Large quantities of coal gangue cause serious environmental problems by polluting the air, water, and soil as well as occupying a tremendous amount of land. Now, coal gangue …
Preparation and Properties of Porous Mullite Refractory
Porous mullite refractory aggregates were successfully fabricated via recycling of coal gangue and bauxite at temperatures ranging from 1100 to 1350°C, with chaff as the pore former. The phase compositions, microstructures, pore characterization, and cold crushing strength of the aggregates were systematically studied by means of X-ray …
A study of Chinese porcelain raw materials for Ding …
The study focused on using of regional clay (Nevsehir/Turkey) instead of different clay and kaolin to prepare porcelain tiles along with dolomite and albite.
RECYCLING OF COAL GANGUE TO PREPARE LOW …
Recycling of coal gangue to prepare low density ceramic proppants for coal bed methane wells Ceramics – Silikáty 63 (3) 315-320 (2019) 317 is indication of a mass loss of 10.54 %.
(PDF) RECYCLING OF COAL GANGUE TO PREPARE …
Abstract. Low density ceramic proppants for coal bed methane wells were successfully prepared using flint clay and solid waste coal gangue as raw materials. The addition of coal gangue greatly ...
Preparation of coal gangue ceramsite high-strength …
Introduction. Coal gangue (CG) is a type of industrial solid waste produced by the process of coal excavation and separation 1 – 3.Generally, one ton of CG is discarded for every 10 tons of produced coal 4, 5.Statistics show that 5–6 billion tons of CG are now stored, and the accumulation increases at the rate of 150–200 million tons per year in China 6, 7.
(PDF) Research Status Quo and Exploration for Calcination …
The mullite columnar structure are prepared by a dry-press method using waste gangue substituted for kaolin clay. The properties e.g., water absorption, bulk density and bending strength of the ...
Basic principle, progress, and prospects of coal gangue ceramic
Coal gangue is a solid waste that is rich in SiO 2 and Al 2 O 3, making it a potential substitute for the preparation of ceramic proppants. The use of coal gangue to prepare ceramic proppants can reduce the cost of ceramic proppants and benefit environmental protection.
Sintering behaviour and characterisation of low-cost ceramic …
3) Coal gangue: Li et al. [6, 7] found that a glass ceramic material prepared by using coal gangue and quartz sand has controlled pore structure and properties through adjusting the ...
The Ecology Control of Porcelain Clay Mine of …
The Ecology Control of Porcelain Clay Mine of Gangue Sand Hill. Zeng Ke-feng. Published 2005. Materials Science. Research of Environmental Sciences. The authors mainly …
Effect of Silicon Source (Fly Ash, Silica Dust, Gangue) on the
The formation temperatures of the mullite phase in the porous mullite ceramic prepared with fly ash, silica dust, and gangue were 1200 °C, 1200 °C, and 1100 °C, respectively. In particular, kaolinite, which is mainly contained in gangue, will first form mullite nuclei after being calcined to remove crystal water [ 32 ].
The Current Situation Research on Comprehensive Utilization of Coal Gangue
Utilization of coal gangue and copper tailings as clay for cement clinker calcinations[J]. Journal of Wuhan University of technology (Materials science edition), 2011, 26(6):1205-1210 ... Zhu ZW, et al. Environment-oriented low-cost porous mullite ceramic membrane supports fabricated from coal gangue and bauxite[J]. J Hazard Mater, 2014, …
Fabrication and application of porous materials …
friendliness, the new coal gangue-based glass ceramic s could be used as non – load – bearing wall energy – saving insulation materials. As shown in Fig. 9, Liu et al. 97 also
CN103951446B
The present invention relates to a kind of method utilizing ceramic polished waste residue and coal gangue to prepare β-SiAlON composite diphase material, the method comprises the following steps: 1) ceramic polished waste residue and coal gangue are pulverized respectively, then by ceramic polished waste residue fine powder, coal gangue fine …
Low-carbon utilization of coal gangue under the carbon
Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production [].The accumulation of coal gangue causes serious environmental, social, and economic problems in the coal mining area [].Heavy metals …
CN100506741C
The invention discloses a method for recycling porcelain clay gangue and the produced petuntse thereof, which is grinded by combinations of porcelain clay gangue, high alumina clay, magnesium mineral, and sodium fluxing agent and plasticizer and polo, wherein, the sodium fluxing agent is better to be waste glass. The invention solves the problem of …
CN112876211A
The invention discloses a formula of gauze porcelain clay, a firing process and a manufacturing method thereof, wherein the gauze porcelain clay is prepared from the following raw materials in parts by mass: 18-37 parts of white diamond, 15-43 parts of kaolin, 8-21 parts of potassium feldspar, 7-35 parts of albite, 5-20 parts of Suzhou soil, 7-15 parts …
(PDF) High strength glass-ceramics sintered with coal gangue …
The utilization ratio of coal gangue reached 75, and the ratio of coal gangue to clay was 3/1, as an optimal property was observed. The optimal sintering temperature was found to be 1370°C.
