Glass ceramic foams were fabricated with powder sintering technology at a low temperature 900°C using water quenched titanium bearing blast furnace slag WTS and waste glass as the primary raw materials Additionally calcium carbonate sodium borate and sodium phosphate were chosen as sintering aids to form excellent performance products
TBBF slag used in this study was water quenched slag pro vided by Panzhihua Iron and Steel Group Company Limited Sichuan China X ray diffraction XRD analysis indicated that the slag was
The annual production of titanium bearing BFS is estimated to be around 3 million tons [10] The accumulative amount of titanium bearing BFS in the Panzhihua area of China is up to an astonishing 70 million tons [11] BFS is classified into two types based on the slag cooling method air cooled BFS and water quenched BFS [12] The air cooled BFS is black with a
and many steel plants still uses this process which is shown in Fig 2 It can be divided into hot INBA cold INBA and environmentally friendly INBA The greatest advantage is low sulfur emissions which was most transported to the water cycle system 1—clinker ejector 2—water slag ditch 3—water slag tank 4—
Carbon dioxide sequestration using steel slag—modeling and experimental investigation Smitha Gopinath Anurag Mehra in Carbon Dioxide Sequestration in Cementitious Construction Materials 2018 Introduction Steel slag is an industrial waste that is generated during the production of steel In the production of steel oxides of metal impurities in the iron combine
This article presents an original study into the feasibility of using blast furnace slag and stainless steel pickling sludge to produce solidified/stabilized Cr slag micro powder and its
Gas liquid solid three phase based water quenched steel slag carbonate fixed carbon dioxide system were analyzed in thermodynamics using HSC Chemistry software Results indicated that the main Ca phases in slag could absorb carbon dioxide and it was
EAF slag constitutes a major waste in the steel industry which necessitates the development of processes to recover its valuable compounds and thermal energy values A promising method involves the modification of the composition of EAF slag melts to utilize its waste heat and recover more valuable elements by controlled crystallization of spinel under a
Glass ceramic foams were fabricated with powder sintering technology at a low temperature 900°C using water quenched titanium bearing blast furnace slag WTS and waste glass as the primary raw materials Additionally calcium carbonate sodium borate and sodium phosphate were chosen as sintering aids to form excellent performance products
Mold flux is an essential functional material used in the continuous casting process in steel enterprises which mainly contains CaCO 3 SiO 2 CaSiO 3 Na 2 CO 3 NaF and carbonaceous material a typical composition of mold flux is shown in Table A1 in Appendix Wang et al 2018 Mold flux added into the mold will gradually sinter melt and form a three
Water quenching blast furnace slag WQBFS is widely produced in the blast furnace iron making process It is mainly composed of CaO MgO Al2O3 and SiO2 with low contents of other metal elements
Moreover solid waste includes many types including tailings and waste rock from mines fly ash FA from power plants gypsum steel slag SS or water quenched slag from smelters [4 5 6 7 8 9] Statistically the estimated accumulation of FA in China will reach more than 3 billion tons in 2020 [ 10 ]
At the end of the process BFS can either be rapidly cooled with large volumes of water under high pressure to form water quenched slag or through slow cooling in air to form air cooled slag
Industrial wastes such as steel slag and coal gangue etc were chosen as raw materials for preparing ceramic via the conventional solid state reaction method With steel slag and coal gangue mixed in various mass ratios from 100% steel slag to 100% coal gangue at 10% intervals microstructure and possible phase evolution of the coal gangue steel slag ceramics
Metallurgical solid waste blast furnace water quenched slag WBFS was employed as carrier materials to prepare Fe TiO 2 /WBFS composite photocatalyst using a sol gel method for improving both the photocatalytic activity and the high value utilization of metallurgical solid waste The Fe 3 doping technology was adopted to increase the utilization
Gas liquid solid three phase based water quenched steel slag carbonate fixed carbon dioxide system were analyzed in thermodynamics using HSC Chemistry software Results indicated that the main Ca phases in slag could absorb carbon dioxide and it was entirely feasible to fix CO2 in aqueous solution under 700 K Influencing factors were studied including reaction time
At the end of the process BFS can either be rapidly cooled with large volumes of water under high pressure to form water quenched slag or through slow cooling in air to form air cooled slag
Metallurgical solid waste blast furnace water quenched slag WBFS was employed as carrier materials to prepare Fe TiO 2 /WBFS composite photocatalyst using a sol gel method for improving both the photocatalytic activity and the high value utilization of metallurgical solid waste The Fe 3 doping technology was adopted to increase the utilization
Therefore the finding of sustainable way to balance the environment and economy is a challenging issue Water quenched slag is a by product of water quenching and allegro cooling in the process of the iron making process Based on world steel annual manufacturing about 150 × 10 6 t of slag are produced every year [1]
DOI / Corpus ID 214137354; An eco‐friendly permeable brick with excellent permeability and high strength derived from steel slag wastes article{Liu2020AnEP title={An eco‐friendly permeable brick with excellent permeability and high strength derived from steel slag wastes} author={Jianlei Liu and Changwei Lin and Taoyong Liu and Lei Han and Xuefeng
In stainless steel production slag from argon oxygen decarburization AOD converters is dumped on to the ground and then slowly cooled The slag undergoes phase transformation from β dicalcium silicate β C2S to γ dicalcium silicate γ C2S at approximately 500 °C to 450 °C resulting in slag volume expansion disintegration and dust generation The
In order to effectively utilize the resources and energy of molten steel slag the variation of precipitation phase and specific heat of air quenched steel slag AQSS particles during continuous cooling process was investigated by FactSage and thermogravimetry differential scanning calorimetry The cooling and solidification process of molten AQSS particles was
Two pilot scale vertical flow constructed wetlands VFCW were designed with one system containing water quenched slag WQS from a steel plant as a substrate and the other one as a control
Resource utilization of water quenched blast furnace slag BFS for recovery of valuable metals such as titanium magnesium and aluminum are strategic issues for the iron and steel industry s long term development This study proposed a sustainable
