摘要：Interactions between alkali metals in biomass and silicon and aluminum minerals in petroleum coke (PC) are closely related to the gasification reactivity and the deactivation of active K-catalyst during co-gasification. This study comprehensively investigated the evolution of K-containing minerals and their impact on the gasification reactivity and ash fusion characteristics during the co-gasification of PC and wheat straw (WS). The results showed that the addition of WS improved the gasification reactivity of PC, but only up to a certain point due to the K-containing mineral evolutions at high temperatures. Adding WS below 20 wt% resulted in the deactivation of K and the formation of inert kaliophilite and nepheline. However, when WS addition exceeded 20 wt%, a substantial amount of K acted as an active K-catalyst, significantly increasing gasification reactivity. The shrinking core model was found to be more appropriate than the homogeneous model when considering gasification kinetics during co-gasification. ? 2023

ISSN号：0016-2361

卷、期、页：卷355

发表日期：2024-01-01

期刊分区（SCI为中科院分区）：一区

收录情况：EI（工程索引）

发表期刊名称：Fuel

参与作者：王东营,薛继宇,陈小平

通讯作者：吴海鑫

第一作者：李家州,张玉明,张巍,陈哲文

论文类型：期刊论文

论文概要：李家州,吴海鑫,张玉明,王东营,薛继宇,陈小平,张巍,陈哲文，Transformation behavior of potassium-containing minerals during co-gasification of petroleum coke and biomass，Fuel，2024，卷355

论文题目：Transformation behavior of potassium-containing minerals during co-gasification of petroleum coke and biomass