Gas-phase synthesis reactions
We specialize in gas-phase reaction using proprietary catalysts, as well as our advanced R&D capabilities, to become a manufacturer specializing in gas-phase reactions driven by advanced technology. Schema 1 below is a typical use of a gas-phase reaction to produce nitrogen-containing heterocyclic compounds (pyridine bases, pyrazines, pyrroles), and Schema 2 describes a process of ammoxidation.
Scheme 1:
synthesis of nitrogen-containing compounds using gas-phase reactions
![Schema 1: synthesis of nitrogen-containing compounds using gas-phase reactions](/dcms_media/image/kiso_img01.jpg)
Scheme 2:
ammoxidation
![Schema 2: ammoxidation](/dcms_media/image/kiso_img02.jpg)
In addition, the gas-phase catalytic reaction shown below allows for producing items to clients’ needs.
By synergistically using our multi-purpose gas-phase plant, high pressure reaction equipment, and/or liquid-phase multi-purpose reaction equipment, we can build production workflows tailored to a range of clients.
Various gas-phase catalytic reactions
a. Oxidation/dehydrogenation
![a. Oxidation/dehydrogenation](/dcms_media/image/kiso_img03.jpg)
b. Oxidation
![b. Oxidation](/dcms_media/image/kiso_img04.jpg)
c. Ammoxidation
![c. Ammoxidation](/dcms_media/image/kiso_img05.jpg)
d. Dehydration reaction
![d. Dehydration reaction](/dcms_media/image/kiso_img06.jpg)
e. Dehydrogenation
![e. Dehydrogenation](/dcms_media/image/kiso_img07.jpg)
f. Dehydrative cyclization
![f. Dehidrative cyclization](/dcms_media/image/kiso_img08.jpg)
g. Alkylation
![g. Alkylation](/dcms_media/image/kiso_img09.jpg)
h. Dealkylation
![h. Dealkylation](/dcms_media/image/kiso_img10.jpg)
i. Amination
![i. Amination](/dcms_media/image/kiso_img11.jpg)
j. Ketone synthesis
![j. Ketone synthesis](/dcms_media/image/kiso_img12.jpg)
k. Other gas-phase catalytic reactions
Hydrogenation, chlorination, isomerization, bicyclic/heterocyclic compound synthesis
Gas-phase reaction facilities
![Gas-phase reaction equipment](/dcms_media/image/kiso_plant_img01.jpg)
Gas-phase reaction facilities for custom-made manufacturing
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Gas-phase reaction facility | Chiba I | Chiba II | Chiba III (Multi-purpose) |
---|---|---|---|
Production capacity (T/M) | up to 1,000 | up to 200 | up to 200 |
Reaction retention temperature (Celsius) | 250 - 450 | 250 - 450 | 250 - 450 |
Usage temperature (Celsius) of material generator | up to 250 | up to 250 | up to 250 |
Supported materials | Primary material Ammonia Air Nitrogen |
Primary material Ammonia Air Nitrogen |
Primary material (Acidic materials can be used) Ammonia Air Nitrogen |
Ancillary facilities | Extraction equipment Distillation equipment |
Extraction equipment Distillation equipment |
Extraction equipment Distillation equipment |
In addition to the above facilities, we have large and small liquid-phase plants for organic synthesis. By combining these various plants, we have established a system that can deal with more diverse customer requests, and we carry out a production or a custom synthesis of special fine chemicals.
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