Results 71 to 80 of about 1,081,244 (305)

Impact of Sustainable Binders Based on Lignin and Collagen on the Volume Stability and Mechanical Properties of MgO‐C Refractories with MgO‐C Recyclates

Advanced Engineering Materials, EarlyView.
Collagen hydrolysate is evaluated as a sustainable binder for MgO‐C refractories. Its thermally induced cross‐linking and gas release lead to expansion and cracking in large bricks, but tailored batches with lignin, recyclates, or fine graphite improve the gas release while thermal treatment and stability.
Till M. J. Stadtmüller, Florian Kerber, Kirsten Moritz, Steffen Dudczig, Konstantin Kraushaar, Thomas Schemmel, Jana Hubálková, Patrick Gehre, Christos G. Aneziris   +8 more
wiley   +1 more source

Development of Sustainable MgO–C Refractories Using MgO–C Recyclates and a Novel Eco‐Friendly Fructose–Tannin Binder Crosslinked With Citric Acid

Advanced Engineering Materials, EarlyView.
This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional additives on mechanical and thermomechanical properties was examined. Characterization included strength tests, immersion trials, and microstructural and inclusion
Dinesh K. Gunasekar, Jana Hubálková, Steffen Dudczig, Gert Schmidt, Florian Kerber, Thomas Schemmel, Patrick Gehre, Christos G. Aneziris   +7 more
wiley   +1 more source

Spatial-temporal evolution and damage mechanism of pore-throat networks in unconsolidated sandstones during seawater reinjection based on in-situ CT

Applied Ocean Research
Seawater is widely used as an injection fluid in offshore subsurface systems because of its stable availability and low operational cost. However, direct pore-scale evidence of structural evolution and seepage degradation in unconsolidated sandstones ...
Huiyong Zeng, Lifeng Chen, Yongqing Bai, Zhaonian Zhang, Minghao Xue, Lu Lai, Tengfei Wang   +6 more
doaj   +1 more source

Method of making pressure tight seal for super alloy [PDF]

, 1973
A procedure for forming a pressure tight seal along two edges of super alloy sheets is presented. The procedure consists of flame spraying a powdered aluminum-nickel composition on the joint.
Little, R. E.
core   +1 more source

Carbon dioxide baited trap catches do not correlate with human landing collections of Anopheles aquasalis in Suriname [PDF]

, 2011
Three types of carbon dioxide-baited traps, i.e., the Centers for Disease Control Miniature Light Trap without light, the BioGents (BG) Sentinel Mosquito Trap (BG-Sentinel) and the Mosquito Magnet® Liberty Plus were compared with human landing ...
Andriessen, R., Hiwat-van Laar, H., Koenraadt, C.J.M., Rijk, M., de, Takken, W.   +4 more
core   +4 more sources

Impact of Pre‐Oxidation Treatments on a Recycled MgO/Steel‐Composite as Carbon Free Anode in Aluminum‐Electrolysis Environments

Advanced Engineering Materials, EarlyView.
Cermets (60 vol.% AISI 316L stainless steel, 40 vol.% recycled MgO), intended for use in aluminum electrolysis, were pre‐oxidized in three furnaces with different heating technologies and subjected to a cryolite corrosion test. The different atmospheres influenced the formation of oxide layers, which in turn affected corrosion resistance and ...
Patricia Kaiser, Felix Drechsler, Nora Brachhold, Florian Kerber, Christos G. Aneziris   +4 more
wiley   +1 more source

A new simulation approach for hydraulic fracture network of deep coalbed methane reservoirs with equivalent parameter method

Energy Exploration & Exploitation
Cleat systems are widely distributed within deep coalbed methane (CBM) reservoirs. The significant uncertainty regarding the distribution and density of these cleat systems complicates accounting for their impact on hydraulic fracture propagation.
Guanglong Sheng, Shuhang Guo, Zupeng Liu, Jinghua Liu, Xun Zhong, Pengfei Huang, Hui Zhao   +6 more
doaj   +1 more source

Automation of Bosch reaction for CO2 reduction [PDF]

, 1972
System for collecting excess carbon dioxide in space cabin is described. System collects carbon dioxide exhaled by human inhabitants and decomposes gas into carbon and water by reaction with hydrogen in presence of catalyst. Diagram of equipment involved
Holmes, R. F.
core   +1 more source

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source

Inverse ceria-nickel catalyst for enhanced C–O bond hydrogenolysis of biomass and polyether

Nature Communications
Regulating interfacial electronic structure of oxide-metal composite catalyst for the selective transformation of biomass or plastic waste into high-value chemicals through specific C–O bond scission is still challenging due to the presence of multiple ...
Zelun Zhao, Guang Gao, Yongjie Xi, Jia Wang, Peng Sun, Qi Liu, Chengyang Li, Zhiwei Huang, Fuwei Li   +8 more
doaj   +1 more source