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N-methyl formamide synthesis
N-methyl formamide is an important organic solvent and raw material for organic chemical synthesis, used mainly to synthesize high-performance, broad-spectrum pesticides, miticide-formamidine, amitraze, and other new pesticides. It may also be used as a substitute for N-methyl pyrrolidone (NMP) solvent.
Technical features
Methyl formate obtained through methanol dehydrogenation takes a continuous amination reaction with anhydrous methylamine and, after dealcoholization, dehydration, and rectification of the liquid reaction, the result is N-methyl formamide.
Technical indicators
|
Item |
Specifications |
Unit |
Consumption quota |
|
Methanol |
99.5% |
t |
0.80 |
|
Methylamine |
99.5% |
t |
0.55 |
|
Cooling water |
0.35MPa |
t |
300 |
|
Electricity |
380V/220V |
kWh |
350 |
|
Steam |
0.60MPa |
t |
8 |
|
Hydrogen recovery |
～85% |
Nm3 |
800 |
Product indicators
|
Appearance |
Purity |
Moisture content |
Chroma |
|
Colorless liquid |
≥ 99.5% |
≤ 0.15% |
≤ 15 |
Wast treatment
Hydrogen byproduct can be used directly as fuel or for other purposes, after PSA purification, with the liquid residue of rectification containing N-methyl formamide incinerated.
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