Results 41 to 50 of about 264,739 (300)

The double-edged nature of nicotine: toxicities and therapeutic potentials

Frontiers in Pharmacology
Nicotine is the primary addictive component of cigarette smoke and is associated with various smoking-related diseases. However, recent research has revealed its broader cognitive-enhancing and anti-inflammatory properties, suggesting its potential ...
Yun Cao, Jiali Sun, Xiaofeng Wang, Xiaoyu Zhang, Huijuan Tian, Lingling Huang, Ze Huang, Yaping Zhang, Yaping Zhang, Jin Zhang, Lin Li, Shun Zhou, Shun Zhou   +12 more
doaj   +1 more source

Pyrolysis of brominated feedstock plastic in a fluidised bed reactor [PDF]

, 2006
Fire retarded high impact polystyrene has been pyrolysed using a fluidised bed reactor with a sand bed. The yield and composition of the products have been investigated in relation to fluidised bed temperature.
Bhaskar, Jakab, Kaminsky, Luijk, Mastellone, Paul T. Williams, Uemura, William J. Hall, Williams, Williams, Yang   +10 more
core   +1 more source

Investigation of Thermo‐Chemical Processes in Commercial MgO‐C Refractory Bricks With and Without MgO‐C Recyclate at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This study investigates thermo‐chemical processes during high‐temperature testing of two commercial MgO‐C brick grades, one containing 47.5 wt.% MgO‐C recyclate. Using ETV, DTA/TG‐MS, XRD, and SEM/EDS/EBSD, mechanisms such as carbothermal reduction of magnesia, impurity incorporation into the secondary MgO surface layer, and calcium‐rich phase ...
Alexander Schramm, Jana Hubálková, Christian Schimpf, Thomas Schemmel, Christos G. Aneziris, Anja Weidner, Horst Biermann   +6 more
wiley   +1 more source

A study of the importance of secondary reactions in char formation and pyrolysis : a dissertation presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Process Engineering at Massey University, Manawatū, New Zealand [PDF]

, 2016
Anthropogenic climate change, caused primarily by excessive emissions of carbon dioxide, has led to a renewed interest in char, the solid product of pyrolysis. When applied to soil as biochar it can both sequester carbon and improve soil function.
Ripberger, Georg Dietrich
core  

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

Microwave wet torrefaction: A catalytic process to convert waste palm shell into porous biochar

Materials Science for Energy Technologies, 2020
Waste palm shell is a large-volume biomass waste produced from palm oil mills, representing a resource to be treated and converted into a value-added product. In this study, an improved microwave wet torrefaction (low-temperature pyrolysis) incorporating
Peter Nai Yuh Yek, Mohd Shahril Osman, Chee Chung Wong, Chee Swee Wong, Seng Huat Kong, Teck Sung Sie, Shin Ying Foong, Su Shiung Lam, Rock Keey Liew   +8 more
doaj   +1 more source

Products distribution and heavy metals migration during catalytic pyrolysis of refinery oily sludge

Energy Reports, 2023
The reclamation disposal of oily sludge, which is a hazardous waste from the extraction, transportation, storage, and refining of crude oil, is a paramount challenge for environmental protection and resource recycle.
Jianping Yang, Xiaolei Zhu, Zejian Ai, Lijian Leng, Hailong Li   +4 more
doaj   +1 more source

Pyrolysis of Dried Wastewater Biosolids Can Be Energy Positive [PDF]

, 2016
Pyrolysis is a thermal process that converts biosolids into biochar (a soil amendment), py-oil and py-gas, which can be energy sources. The objectives of this research were to determine the product yield of dried biosolids during pyrolysis and the energy
Koch, Jon, Liu, Zhongzhe, McNamara, Patrick J., Zitomer, Daniel   +3 more
core   +1 more source

Biochar from Pyrolysis of Biosolids for Nutrient Adsorption and Turfgrass Cultivation [PDF]

, 2015
At water resource recovery facilities, nutrient removal is often required and energy recovery is an ever-increasing goal. Pyrolysis may be a sustainable process for handling wastewater biosolids because energy can be recovered in the py-gas and py-oil ...
American Public Health Association (APHA), Kalyak Y., Kasakura T., Liu T., Ma H., McNamara P., Metcalf & Eddy, Rambabua N., Taghizaheh‐Toosi A., U.S. Environmental Protection Agency   +9 more
core   +2 more sources

Numerical Exploration of Thermal Shock Resistance in MgO–C Refractories

Advanced Engineering Materials, EarlyView.
A mesostructure‐resolved numerical framework is developed to evaluate the thermal shock resistance of MgO–C refractories. By modeling interface debonding under rapid temperature changes and introducing a modified thermal shock parameter that accounts for mesocracks, the study shows how graphite content and aggregate size influence thermal shock ...
Jishnu Vinayak Gopi, Stephan Roth, Christos G. Aneziris, Bjoern Kiefer   +3 more
wiley   +1 more source