Red Mud Catalyst for Hydrotreating and Pyrolysis
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Solution Overview
Problem
There is a need for alternative red mud compositions that can be used in existing catalytic processes and also enable additional catalytic processes, as traditional red mud compositions have limitations in their applications.
Innovation Solution
The development of red mud compositions comprising dried and calcined catalytic particles, where red mud accounts for at least 50% of the particles by weight, and the addition of nickel or other oxides to enhance their catalytic properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional red mud compositions are used, then the material is readily available as a byproduct, but the catalytic performance and application range are limited
Solution Approach 1:
The patent applies parameter changes by modifying the physical and chemical properties of red mud through drying and calcination processes. The calcination temperature and duration are controlled to transform the red mud structure, enhancing its catalytic activity and expanding its applicability to various catalytic processes while maintaining its availability as a byproduct material.
Solution Approach 2:
The patent creates composite materials by combining red mud with other substances during the calcination process. This composite formation enhances the catalytic properties of red mud, enabling it to perform effectively in diverse catalytic applications such as hydrotreating and pyrolysis, thereby resolving the contradiction between versatility and performance reliability.
2Loss of substance
If red mud is used as a catalyst, then waste material utilization is improved, but catalytic activity and selectivity are insufficient
Solution Approach 1:
The patent transforms waste red mud into an effective catalyst by controlling parameter changes during calcination. The temperature, time, and atmospheric conditions are optimized to develop active catalytic sites on the red mud surface, thereby converting a waste material with insufficient catalytic activity into a productive catalyst that maintains waste utilization benefits.
Solution Approach 2:
The patent applies preliminary action by performing drying and calcination treatments on red mud before its catalytic application. These preparatory steps modify the material structure in advance, creating the necessary catalytic properties that enable red mud to achieve high catalytic activity and selectivity in subsequent industrial processes.
3Reliability
If red mud composition is modified to enhance catalytic properties, then catalytic performance improves, but processing complexity increases
Solution Approach 1:
The patent manages processing complexity by focusing parameter changes on a single key process - calcination. By optimizing the temperature, time, and atmosphere of this one critical step, the patent achieves enhanced catalytic performance without introducing multiple complex processing stages, thereby maintaining operational simplicity while improving reliability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
These compositions demonstrate improved catalytic performance in hydrotreating and pyrolyzing processes, offering higher organic liquid yields and reduced coke formation, thus expanding the range of catalytic applications for red mud.
Implementation Method 1
Red mud compositions may be useful in a variety of catalytic processes
Implementation Method 2
Methods of using red mud compositions are also disclosed herein, such as methods of hydrotreating or pyrolyzing a material with the compositions disclosed herein
Data Source
AI summary
This disclosure relates to red mud compositions. This disclosure also relates to methods of making red mud compositions. This disclosure additionally relates to methods of using red mud compositions.