Catalytic Cracking Catalyst Product Introduction

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1. Heavy oil catalytic cracking catalysts Heavy oil catalytic cracking catalysts currently mainly include two series of products: MLC series and DVR series. Since the 1990s, increasing the blending ratio of residual oil has become an important way for refineries to improve processing efficiency, and has also become an important direction for the development of refining catalysts. The development of heavy oil catalytic cracking catalysts is based on increasing the residual oil blending ratio as much as possible, and taking into account the individual characteristics of different users such as raw material properties, unit operating conditions, and target product distribution requirements. 1. MLC series heavy oil catalytic cracking catalyst MLC-500 series catalyst was developed in order to solve the problem of tight diesel market in the domestic market in the mid-1990s and according to the requirements of Sinopec Corporation to use the catalytic cracking process to produce more diesel. It can significantly increase the diesel-gasoline ratio at a larger residual oil blending ratio. The MLC-500 series catalyst currently includes two varieties: MLC-500 and MLC-500ZA. MLC-500 catalyst was developed in 1996. Since the second half of 1998, due to * * With the implementation of macro-policies such as combating smuggling and import restrictions, various domestic oil refining companies have regarded increasing diesel production as an important way to improve corporate efficiency, and are competing to use MLC series catalysts to increase diesel production. As a result, the sales volume of MLC series catalysts has soared. From 1999 to the present, it has been the single product with the highest output and sales volume. MLC-500 catalyst has been used by 23 large-scale oil refining companies affiliated to Sinopec Group and China National Petroleum Corporation. Currently, the main users include Jinan, Gaoqiao, Guangzhou, Qilu, Qingyang and some local refineries. In the past two years, with the continuous changes in market demand for diesel, liquefied gas, gasoline, etc., MLC-500 no longer highlights the selectivity of diesel, but adjusts the formula according to users' requirements for product distribution. The MLC-500ZA catalyst is a high-stack ratio catalyst developed specifically for the characteristics of the 3 million-ton catalytic unit of the Zhenhai Refinery. In addition to the characteristics of conventional MLC-500, its performance also focuses on the selectivity of liquefied gas and high-octane gasoline.