Effect of impregnation methods on sorbents made from lignite for desulfurization at middle temperature

Dong, Yurong; Ren, Xiurong; Wang, Qianqian; He, Qiang; Chang, Liping; Wang, Bao

doi:10.1016/s2095-4956(13)60104-7

Cited by 13 publications

(10 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Recent studies have indicated that the optimum desulfurization temperature is controlled between 523 and 823 K (Ko et al, 2006a;Dong et al, 2013). In this study, the optimal temperature for the removal of H 2 S in an IGCC system is around 773 K. Therefore, the sulfidation reactions combined Eqs.…”

Section: Effect Of Hydrogenmentioning

confidence: 97%

The mechanism of coal gas desulfurization by iron oxide sorbents

Chen

Chu

2015

Chemosphere

View full text Add to dashboard Cite

Section: Effect Of Hydrogenmentioning

confidence: 97%

The mechanism of coal gas desulfurization by iron oxide sorbents

Chen

Chu

2015

Chemosphere

View full text Add to dashboard Cite

“…In the end, the precursor supported material is dried followed by consecutive heat treatment with inert gas in order to further enhance and stabilise the metal catalyst [32]. Owing to its ease of metal loading control as well as high utilisation of the active component with less metal precursor dosage, the impregnation method is profoundly known as one of the well established procedures for SCR catalyst preparation [32–33]. Jeong et al [34] applied the impregnation technique to study the characteristics of graphene-supported tungsten (WO 3 ) catalyst in a selective catalytic reduction system.…”

Section: Reviewmentioning

confidence: 99%

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

Anthonysamy

Afandi

Khavarian

et al. 2018

Beilstein J. Nanotechnol.

View full text Add to dashboard Cite

Various types of carbon-based and non-carbon-based catalyst supports for nitric oxide (NO) removal through selective catalytic reduction (SCR) with ammonia are examined in this review. A number of carbon-based materials, such as carbon nanotubes (CNTs), activated carbon (AC), and graphene (GR) and non-carbon-based materials, such as Zeolite Socony Mobil–5 (ZSM-5), TiO2, and Al2O3 supported materials, were identified as the most up-to-date and recently used catalysts for the removal of NO gas. The main focus of this review is the study of catalyst preparation methods, as this is highly correlated to the behaviour of NO removal. The general mechanisms involved in the system, the Langmuir–Hinshelwood or Eley–Riedeal mechanism, are also discussed. Characterisation analysis affecting the surface and chemical structure of the catalyst is also detailed in this work. Finally, a few major conclusions are drawn and future directions for work on the advancement of the SCR-NH3 catalyst are suggested.

show abstract

“…It is because high-pressure impregnation can improve the pore structure of the lignite compared with other impregnation methods and make more active components loading on its surface. 28 The conditions of high-pressure impregnation and heat treatment were also optimized. 29,30 Lignite, as the precursor of support, could have signicant effect on the desulfurization performance of sorbent prepared by this method.…”

Section: Introductionmentioning

confidence: 99%