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Pseudo-boehmite
Introduction

1. Product performance:

Pseudo-boehmite, also known as aluminum hydroxide gel and alumina monohydrate. The molecular formula is Al2O3•H2O (1.2~2.2), with the performance of non-toxic, odorless, powder (dry), high purity of crystal phase , good peptization performance and strong adhesion. According to different production processes, different products can be used for different applications. Using high purity aluminum hydroxide and ion-exchange membrane alkali as the basic raw materials, after carbonation, it adopts different processes to produce a series of large-pored pseudo-boehmite products. This series of products have very stable quality and excellent physical and chemical properties

2.Application:

This series of products have been widely used in petroleum distillate hydrogenation catalysts, cracking (gasoline hydrotreating) catalysts and chemical catalysts.

Product Typical PropertiesPB-DKHPB-DKMPB-DKLPB-ZKPB-SBPB-LJ
Pore Volume〔ml/g〕≥1.0≥1.0≥1.0≥0.5≥0.50.6-0.8
BET Surface Area〔m2/g〕≥300≥290260-280≥280≥260260-280
Dry basis〔%〕70-7270-7270-7270-7270-7270-72
Peptization index〔%〕10-2020-25
60-70≥9060-70
ImpurityNa2O〔%〕≤0.05≤0.05≤0.05≤0.05≤0.05≤0.05
Fe2O3〔%〕≤0.01≤0.01≤0.01≤0.01≤0.01≤0.01
SiO2〔%〕≤0.02≤0.02≤0.02≤0.02≤0.02≤0.02


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