Results 21 to 30 of about 313 (161)
Coal gasification slag is a solid by-product produced by the coal gasification process, which has certain utilization value but is difficult to complete separation.
Ruifeng CHEN +4 more
doaj +1 more source
Coal gasification is a new direction for the clean utilization of coal, but it also brings huge environmental pressure on solid waste. In this paper, the high-crystallinity single-phase zeolite A was prepared by solid-phase alkali fusion synthesis from ...
Wenxin Ji +10 more
doaj +1 more source
Ultrasonication Improves the Flotation of Coal Gasification Fine Slag Residue
Coal gasification fine slag (CGFS) is a significant source of solid waste requiring improved treatment methods. This study primarily investigates the mechanism of ultrasonic treatment in optimising flotation-based decarbonization of CGFS and its impact on CGFS modified with surfactants.
Yang Jiao +6 more
openaire +1 more source
Hydrochar‐mill‐scale briquettes with varying C/O molar ratios (0.07–0.90) have been tested at 1650 °C to evaluate their slag foaming performance for electric arc furnace application. All seven briquette recipes developed succeed in promoting slag foaming.
Yu‐Chiao Lu +3 more
wiley +1 more source
Selective Flocculation Flotation of Coal Gasification Fine Slag
【Purposes】 During the flotation process, the fine gasification slag particles exhibit challenges such as micro-fine particle coagulation and moisture entrainment since the interlocking of inorganic minerals and residual carbon particles from coal ...
ZHANG Hua +7 more
doaj +1 more source
ABSTRACT The construction sector constitutes a major source of global carbon dioxide emissions, and cement production contributes substantially via fuel combustion and limestone decomposition. These challenges have encouraged the incorporation of carbon dioxide into construction materials through mineralization.
Liyuan Chen, Aidong Yang
wiley +1 more source
Separation and structural analysis of soot from typical entrained flow coal gasification fine slag
Soot is a flocculent carbon nanoparticle that results the imperfect combustion of fossil fuel, and numerous studies are dedicated to the reduction of soot production to alleviate the associated environmental problems.
Qingyun Wang +8 more
doaj +1 more source
The efficient resource utilization of coal gasification slag is a key issue that urgently needs to be addressed in the fields of energy, environmental protection, and sustainable development.
Yuhua WU +6 more
doaj +1 more source
ABSTRACT The conversion of waste materials into solid CO2 adsorbents is a promising strategy for carbon capture and waste management. In this review, we discuss recent advances in the preparation and modification of waste‐derived CO2 adsorbents, including carbon‐based materials, zeolites, metal–organic frameworks, layered double hydroxides, CaO, and ...
Han Zhang +3 more
wiley +1 more source
This review examines large‐scale biochar production technologies and process engineering from an engineering thermochemistry perspective. At the level of thermochemical fundamentals, we discuss thermochemical techniques, pyrolysis mechanisms, and key parameters governing biochar formation.
Dengguo Lai +12 more
wiley +1 more source

