Results 61 to 70 of about 288,924 (358)
Meitan kexue jishuThe resource utilization of coal gasification slag has become a research focus in the field of coal-based solid waste. The physical and chemical characteristics and the heavy metal migration rules of coal gasification slag are very important for its ...
Changjian LIAO +5 more
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INVESTIGATION OF THE ROLE OF LIME UNDER SLAGGING AND INERT-GAS SECONDARY STEEL REFINING
Advanced Engineering Research, 2013 It is shown that the creation of such technologies is caused by the necessity of making standard high-quality steel in composition and temperature. The secondary steel refining provides these conditions and, consequently, the efficient operation of the ...
Denis Anatolyevich Bakhayev +3 more
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT Agglomeration of bed materials during circulating fluidised bed (CFB) combustion or gasification of high‐alkali fuel is a practical challenge in industrial practice. This work investigates experimentally the effect of temperatures (700°C–900°C) and atmosphere (air equivalence ratios 1.61–0.53) on agglomeration in a lab‐scale bubbling fluidised
Zipeng Guo +4 more
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Doubting radiocarbon dating from in-slag charcoal
Archeologické Rozhledy, 2018 A Roman-Period bloomery smelting site had been excavated in the Lahn valley at Wetzlar-Dalheim in central Germany during 2006–2012. The production unit consisted of a big rectangular workshop pit with 13 slag pit-furnaces, two waste dumps and a small ...
Guntram Gassmann, Andreas Schäfer
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AC impedance spectroscopy characteristics of chloride-exposed cement pastes [PDF]
, 2020 In this paper, the characteristics of AC impedance spectroscopy of cement paste immersed in chloride solution were measured and analyzed with a proposed equivalent circuit model.
De Schutter, Geert +3 more
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Slag Characterization: Viscosity of Synthetic Coal Slag in Steam
, 1980 A rotating cylinder apparatus has been designed and constructed for measuring the viscosity of molten slags under steam pressure in the range 15 to 300 psi and up to about 1400/sup 0/C. Two synthetic coal slags, one high in alkali and the other lower in alkali but higher in calcia were studied with this apparatus.
W S Brower, J L Waring, D H Blackburn
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT Biomass energy plays a critical role in alleviating environmental pressures. However, its relatively high content of alkali metals (especially for potassium) would cause ash‐related issues during combustion. To mitigate these issues, the potassium migration behaviors during chestnut shell (CS) conversion and the modification mechanisms of ...
Meijie Zhou +6 more
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Yantu gongcheng xuebaoIn order to improve the deterioration of the strength of alkali slag-cement cured sludge caused by alkali slag doping, the industrial waste slag is introduced to improve its mechanical properties.
FU Huaihe 1, ZHANG Mingzhi 2, MAO Shuaidong 2, BAO Youzhi 1, HUANG Yinghao 2
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工程科学学报, 2015 Using potassium hydroxide as a modifier, Ti element was selectively enriched in potassium metatitanate from titanium-containing electric furnace molten slag, and magnesium aluminium spinel and forsterite were successfully converted to aluminates and ...
YANG Yang, LI Yang, GUO Min, ZHANG Mei
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