solid phosphoric acid catalyst T-49 - Names and Identifiers
solid phosphoric acid catalyst T-49 - Physico-chemical Properties
| Physical and Chemical Properties | The appearance is white cylindrical, the overall dimension is φ4.6~4.8mm, the bulk density is 960~1000kg/m3, and the positive pressure crushing strength is> 4.71.MPa. Catalytic activity of oligomerization reaction: one-way conversion rate of propylene ≥ 76% (mass), selectivity of nonene plus diene ≥ 80% (mass), adjustable range of selectivity ratio of diene to nonene (mass ratio) 0.2~0.65, and yield of catalyst liquid ≥ 700 kg/kg. Evaluation conditions: the reaction temperature is 160~195 ℃ at the inlet and 180~210 ℃ at the outlet. The reaction pressure is 4.5~5.5MPa, the space velocity of the reactor feed liquid is 2~5h-1, and the concentration of propylene in the feed is 45% ~ 60% (mass). Catalytic activity of alkylation reaction: propylene single pass conversion ≥ 80% (mass), cumene selectivity 93% ~ 95% (mass), cumene liquid yield ≥ 700kg/kg. Evaluation conditions: the reaction temperature is 165~200 ℃ at the inlet and 185~215 ℃ at the outlet. The reaction pressure is 2.5~4.0MPa, the space velocity of liquid is 3~4h-1, and the space-time yield of catalyst is 0.8~1.2kg/(kg h). |
solid phosphoric acid catalyst T-49 - Introduction
T-49 solid phosphoric acid catalyst is a kind of phosphoric acid hydrochloric acid catalyst widely used in organic synthesis reaction. The following is a detailed introduction of T-49 type solid phosphoric acid catalyst:
Nature:
T-49 solid phosphoric acid catalyst is usually white powder, and its main components are phosphoric acid and inorganic catalyst. It has very strong acidity and good thermal stability, and can operate at higher temperatures.
Use:
T-49-type solid phosphoric acid catalysts are commonly used in organic synthesis reactions, such as acylation reactions of aldehydes, ketones, esters and amides, isomerization reactions of olefins, and other dehydration reactions and cyclization reactions. It has a wide range of applications in the fields of synthetic drugs, fragrances, plastics and advanced organic chemicals.
Preparation Method:
The preparation method of T-49-type solid phosphoric acid catalyst is relatively simple. Generally, phosphoric acid and inorganic catalyst are mixed and obtained by heat treatment or solid-phase synthesis under appropriate temperature and pressure. The resulting catalyst is typically finely ground and screened to achieve uniform particle size and catalytic performance.
Safety Information:
When using T-49 solid phosphoric acid catalyst, it is necessary to pay attention to its strong acidity and avoid contact with skin and eyes. Use should wear protective glasses and gloves, and maintain good ventilation. The storage and transportation of the Catalyst also needs to avoid contact with moisture and water to prevent loss of its activity. When disposing of spent catalyst, it should be handled and disposed in accordance with local regulations.
Last Update：2024-04-09 19:05:42