2015-10-18coal gangue 1coal gangue 1modeling leachate constituents in soil of highway with coal gangue filled embankment 2a column test for preventing heavy metal pollution from coal gangue with geotextiles
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2015-10-18coal gangue 1coal gangue 1modeling leachate constituents in soil of highway with coal gangue filled embankment 2a column test for preventing heavy metal pollution from coal gangue with geotextiles...
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2018-10-1vibration test and analysis of a multi-storey small-sized concrete hollow block and shale-coal gangue porous brick mixed masonry structure...
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2015-10-18gangue for coal 1gangue for coal 1the development situation of gangue for coal in our country is briefly introduced...
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2017-12-12advantages of coal gangue brick making 1saving the energy because the abandoned coal gangue contains a certain calorific value using it for brick making can save the coal the same of annual output of 50 million pieces of standard brick ente...
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Abstract coal gangue and clay shale usually contain more than 70 sio 2 and al 2 o 3 which have potential pozzolanic activity when calcined at suitable temperaturein this study the feasibility of utilizing calcined coal gangue and clay shale in the pro...
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Coal gangue bricks benefits the advantages of block molding machine compared to clay brick may 13 2015 block molding machine compared with the traditional clay brick machine raw materials can use industrial waste residue fly ash coal gangue...
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Then slag can be used for slag brick and slag cement production 3 to produce building materials using coal gangue for brick production instead of clay as a raw material by this way can reduce fertile land dig by making use of coal gangue own fuel yo...
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2012-2-29coal gangue in the tunneling mining and washing process of the solid waste discharges carbon quality a mixture of clay and sandy shale with low heat value carbon content of 20 30 and some containing humic acid...
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Gangue can help to decrease the sintering temperature therefore cheap flint clay and solid waste coal gangue can replace bauxite as raw materials of ceramic proppant in this research low-cost low-density ceramic proppant was successfully prepared by r...
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Coal gangue can cause significant heavy metal pollution in mining areas which would have a negative impact on the environment and human health the objective of this research is to investigate the relationship between expansive soil amount and the leachi...
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For comprehensive utilization of solid waste coal gangue slag of cfb and washed fly ash provided by a coal mine were evaluated on their potential as calcined kaolin...
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This paper put forward a pouring-injecting spontaneous combustion project by analyzing the characteristics of the mountain of coal gangue and its spontaneous combustion in xiaoking mine pouring-injecting clay project for fire-extinguishing...
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Coal gangue crushercoal gangue production linedingli crusher coal gangue is a kind of solid thing that is produced in the process of coal mining and washing as a lower carbon content and harder material than coal material coal gangue is a dark gray sto...
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In view to the gangue characteristic and the roadbed paddings essential requirements the improving experiments for gangues mix the clay in four coal mines along the route to the jidong highway huojia section were carried out it has been studied that the...
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2018-12-17low-density ceramic proppants were prepared from calcined flint clay and solid waste coal gangue by pelleting drying screening and sintering namely solid state sintering method the density and breakage ratio of the proppants were systematica...
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Rehabilitation of areas impacted by subsidence following coal mining is a pressing need in eastern china especially where availability of suitable soil material is limited a field experiment was established to evaluate performance of varying layered com...
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2019-6-25recycling of moroccan coal gangue in the elaboration of a portland clinker d belkheiriab a diouria m taibib o sassi b j arideb a universit mohammed v laboratoire de chimie du solide applique facult des sciences rabat maroc morocco...
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Research on potential fertilization of coal gangue in the weibei coalfield china wang tong based on the systematic analysis of the coal gangue in weibei coalfield such as petrologic characteristics we conclude that the coal gangue in the weib...
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Shanxii meixian qinling machinery manufacturing co ltd - china supplier of brick making machines clay shale coal gangue fly ash red brick hollow...
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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...
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Coal gangue an industrial solid waste discarded from coal mining and processing was used as the sole raw material to prepare brick the coal gangue was crushed homogenized milled and then pressed into green compacts the dried compacts were sintered a...
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