Results 11 to 20 of about 17,379,007 (276)
Performance of alkali-activated slag concrete [PDF]
The environmental concerns related to the production of cement in terms of the energy consumption and the emission of CO2 lead to the search for more environmentally viable alternatives to cement.
Al-Otaibi, Saud
core +6 more sources
Phosphorus removal in passive treatment technologies for tertiary wastewater treatment [PDF]
The treatment of phosphorus at small sewage works requires alternative approaches to the traditional chemical precipitation and biological removal pathways, as such approaches do not align well to the requirements at such a scale in relation to the use
Letshwenyo, Moatlhodi Wise
core +7 more sources
Development of high performance concrete using combinations of mineral admixtures. [PDF]
Cement replacement materials are by-products used to produce high performance concrete. Published data on the effects of combinations of mineral admixtures in concrete on the microstructural and performance-related properties under different ...
Darwish, Abdulhanan A., Darwish, A.
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Coal gasification slag is a kind of solid coal chemical waste which mainly contains aluminosilicate minerals.The gasification slag modified by mechanical grinding and chemical excitation can be used as active admixture of composite Portland cement, which
Zhang Ming +5 more
doaj +1 more source
Waste heat recovery is a key problem to be solved for metallurgical slag. Furthermore, the heat source is a current bottleneck for sewage sludge gasification technology. At present, there is no complete process system for the thermochemical conversion of
Zongliang Zuo +6 more
doaj +1 more source
Study on Recovery of Valuable Metals in Spent Lithium-Ion Batteries by Al2O3-SiO2-CaO-Fe2O3 Slag System [PDF]
This study investigated the recovery behavior of valuable metals (Co, Ni, Cu and Mn) in spent lithium ion-batteries based on Al2O3-SiO2-CaO-Fe2O3 slag system via DC submerged arc smelting process.
Tae Boong Moon +6 more
doaj +1 more source
Research on the Metallurgical Properties of Fluorine-Containing Refining Slag and Its Fluoride-Free Design [PDF]
In view of the large use of calcium fluoride in LF refining process, an optimization scheme of fluorine-free refining slag system is proposed.Calculated by FactSage software, the optimal composition of the fluorine-free refining slag was determined to be:
Li Haozhe, Jin Jinwen, Gao Fang, Gu Chao, Bao Yanpin, Wei Ze
doaj +3 more sources
Ladle Steel Slag in Activated Systems for Construction Use [PDF]
The construction industry needs to reduce greenhouse gases, in which cement production is currently responsible for generating between 4% and 6% of the total CO2 released into the atmosphere. Similarly, many industries produce large amounts of solid waste, which often have low value-added applications or are directly taken to landfills, with consequent
Aponte Hernández, Diego Fernando +3 more
openaire +2 more sources
Influence of ESR Slag on Cleanness of GCr15 Bearing Steel
In accordance with the current in electroslag remelting(ESR)GCr15 bearing steel D inclusions exceeding the standard problem,the different slag systems are designed,and respectively with the help of Factsage software and empirical formulae to calculate ...
肖爱平 +4 more
doaj
Steel-Slag as Aggregate Substitute’s Influence to Concrete’s Shear Capacity An Experimental Approach [PDF]
The use of steel slag as a substitute to natural aggregates for concrete increases the compression strength and workability of fresh concrete mixes.
Ay Lie , Han, Narayudha, Moga
core +1 more source

