Results 41 to 50 of about 341,940 (391)

Study on the vibration characteristics of coke pushing ram in the coke pushing process

open access: yesAdvances in Mechanical Engineering, 2018
Serious vibrations can occur in the coke pushing ram in the coke pushing process and may directly affect the regular production of coke oven, in order to avoid vibration, it is necessary to study the vibration characteristics of coke pushing ram. In this
Jin Xiang   +5 more
doaj   +1 more source

The Effect of Metallic Iron Particle on Coke-Matrix after Coke CO2 Gasification Reaction

open access: yesJournal of Thermal Science and Technology, 2011
In order to prevent pulverization and fracture of metallurgical coke, control of gasification reaction part in coke lump and embrittlement behavior is important. Addition of catalyst particle is an effective and a simple method for enhancement of the CO2
Yoshiaki YAMAZAKI   +7 more
doaj   +1 more source

Reversible Nature of Coke Formation on Mo/ZSM‐5 Methane Dehydroaromatization Catalysts

open access: yesAngewandte Chemie, 2019
Non‐oxidative dehydroaromatization of methane over Mo/ZSM‐5 zeolite catalysts is a promising reaction for the direct conversion of abundant natural gas into liquid aromatics.
N. Kosinov   +5 more
semanticscholar   +1 more source

Dynamic Optimization and Production Planning of Thermal Cracking Operation [PDF]

open access: yesModeling, Identification and Control, 2003
This work addresses the dynamic optimization of the production period of thermal crackers with respect to coke formation in the cracking coil and transfer line exchanger.
Emil H. Edwin, Jens G. Balchen
doaj   +1 more source

Effect of High-Sintering-Temperature Reduction Behavior on Coke Solution Loss Reaction with Different Thermal Properties

open access: yesMetals, 2023
With the shortage of high-quality coking coal resources and the pursuit of low-cost smelting, the types and sources of coal have changed. Therefore, it is difficult to establish an effective correlation between the existing evaluation indexes of coke ...
Jin Jin, Qi Wang, Song Zhang
doaj   +1 more source

A simple and green synthesis of carbon quantum dots from coke for white light-emitting devices

open access: yesRSC Advances, 2019
Coke is a by-product of coal. This paper reports a simple and green chemical oxidation method for carbon quantum dots (CQDs) from coke for use in novel applications.
Xiaoting Feng, Yi Zhang
semanticscholar   +1 more source

Simultaneous Modulation of Mesoporosity and Al Siting for Superior Performance Zeolite Catalyst in Ethylene Dehydroaromatization to Aromatics

open access: yesAngewandte Chemie, EarlyView.
A synergistic strategy enables the construction of hierarchical zeolites with selective removal of ∼60% of channel‐located Al, revealing that Brønsted acid sites (BAS) at channel intersections exhibit a TOF of 516 h−1, 13 times higher than those within the channels.
Yanfeng Shen   +13 more
wiley   +2 more sources

Harnessing Synergistic Cooperation of Neighboring Active Motifs in Heterogeneous Catalysts for Enhanced Catalytic Performance

open access: yesAdvanced Materials, EarlyView.
This review examines the critical role of neighboring active motifs in heterogeneous catalysts, emphasizing how their synergistic cooperativity can be rationally designed to modulate catalytic properties. The discussion centers on the modulation of electronic and geometric structures, categorizing the catalytic systems into metal‐acid (Brønsted/Lewis ...
Peng Yuan   +2 more
wiley   +1 more source

The Real Thing: Nominal Price Rigidity of the Nickel Coke, 1886–1959 [PDF]

open access: yes
We report that the price of a 6.5oz Coke was 5¢ from 1886 until 1959. Thus, we are documenting a nominal price rigidity that lasted more than 70 years!
Levy, Daniel, Young, Andrew
core   +7 more sources

Utilization of Renewable Carbon in Electric Arc Furnace-Based Steel Production: Comparative Evaluation of Properties of Conventional and Non-Conventional Carbon-Bearing Sources

open access: yesMetals, 2023
Conventional (anthracite, calcined petroleum coke, and coke) and non-conventional (biochar, and biocokes (3 wt.% torrefied wood, and 3 wt.% petroleum coke + 3 wt.% charcoal)) carbon-bearing sources have been studied for their use in electric arc furnace (
Lina Kieush   +5 more
doaj   +1 more source

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