Slurryability of petroleum coke and rheological characteristics and stability of PCWS

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Slurryability of petroleum coke and rheological characteristics and stability of PCWS

更新时间：2025-12-10

- Slurryability of petroleum coke and rheological characteristics and stability of PCWS
- CIESC Journal Issue 11, (2010)
- 作者机构：
  
  1. 浙江大学能源清洁利用国家重点实验室
  2. 浙江大学宁波理工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 November 2010，
  
  Published：05 November 2010
- 稿件说明：
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高夫燕. Slurryability of petroleum coke and rheological characteristics and stability of PCWS[J]. CIESC Journal, 2010, (11).
DOI：

高夫燕. Slurryability of petroleum coke and rheological characteristics and stability of PCWS[J]. CIESC Journal, 2010, (11). DOI：

摘要

对某石油焦在加入不同添加剂后的成浆特性以及水焦浆的温升特性、流变特性和稳定性进行了实验研究。加入不同添加剂后各浆样的定黏浓度均在70%左右，石油焦成浆性良好；水焦浆的表观黏度随温度的升高而降低，随浓度的升高而增大；水焦浆的流变特性和稳定性在不同的添加剂下呈现出较大的差别，当使用亚甲基萘磺酸钠-苯乙烯磺酸钠-马来酸钠(NSM)和亚甲基萘磺酸盐甲醛缩合物（NC）添加剂时，水焦浆呈胀流性，且稳定性差。当使用木质素磺酸盐（LS）和石油磺酸盐(PS)时，水焦浆在较高浓度下呈假塑性，且稳定性较好。浆体浓度越大，稳定性越好。

Abstract

The slurryability

temperature performance

rheological characteristics and stability of petroleum coke water slurry (PCWS) were studied after adding different additives. The solid concentration of PCWS prepared with different additives was about 70% when the apparent viscosity was at a fixed value of 1000 mPa·s. The apparent viscosity of PCWS decreased as temperature became higher and increased as solid concentration increased. Rheological characteristics and stability of PCWS showed great difference with different additives. PCWS behaved as dilatant fluid and had bad stability with NSM and NC additives. However it behaved as pseudoplastic fluid and had good stability with LS and PS additives. The stability of PCWS became better when solid concentration increased.

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