Microbial method uses biological enzyme as catalyst, the acrylonitrile, water and biocatalyzer are prepared into a hydrated solution, and the waste catalyst can be separated after the reaction to obtain acrylamide products
Its characteristics are: acrylonitrile one-way conversion rate is very high, 99.99%; Recovery of unreacted acrylonitrile without separation; The specific properties of the enzyme make the selectivity extremely high, 99.98%, no side reactions. High product concentration, no need to increase the concentration operation; The whole process is easy to operate, less equipment investment, high economic efficiency, and conducive to small-scale production; It is particularly suitable for the production of high viscosity and high relative molecular weight polyacrylamide.
Acrylonitrile is catalyzed by microorganisms (enzymes) to obtain acrylamide in one step.
序号 | 设 备 名 称 | Device name |
1 | 配料罐 | Batching tank |
2 | 种子罐 | Seed pot |
3 | 发酵罐 | fermenter |
4 | 发酵液初级储罐 | Fermentation liquid primary storage tank |
5 | 发酵浓缩液储罐 | Fermentation concentrate storage tank |
6 | 水合釜 | Hydrating still |
7 | 粗AM储 | Crude AM storage |
8 | 稀AM储 | Thin AM storage |
9 | 洗胶水储罐 | Wash the glue storage tank |
10 | 阳离子交换柱 | Cation exchange column |
11 | 阴阴离子交换柱 | Negative anion exchange column |
12 | 混合柱 | Mixing column |
13 | 提浓塔 | concentrator |
14 | 回收水泵 | Recovery pump |
15 | 一级淋洗塔(尾所吸收塔) | First stage washing tower |
16 | 二级淋洗塔(尾气吸收塔) | Secondary washing tower |
17 | 结晶釜 | Crystallizing still |
18 | 晶浆擢 | Crystal slide |
19 | 离心机 | centrifuge |
20 | 母液储槽 | Mother liquor storage tank |
21 | 母液循环泵 | Mother liquor circulating pump |
22 | 空气过滤器 | Air filter |
23 | 鼓风机 | blower |
24 | 换热器 | Heat exchanger |
25 | 空气过滤器 | Air filter |
26 | 提浓循环加热器 | Enrichment cycle heater |
27 | 一级旋风分离器 | Primary cyclone |
28 | 二级旋风分离器 | Two-stage cyclone |
29 | 板式换热器 | Plate heat exchanger |
30 | 循环中间槽 | Circulating intermediate groove |
31 | 罗茨风机 | Roots fan |
32 | 过滤器 | filter |
33 | 消声器 | muffler |
34 | 总过滤器 | Total filter |
35 | AM浓液泵 | AM concentrated liquid pump |
36 | AM浓液槽 | AM concentrated liquid tank |
37 | AM输出泵 | AM output pump |
38 | 回收水储槽 | Recovery water storage tank |
39 | 空气冷却器 | Air cooler |
40 | 空气预热器 | Air preheater |
41 | 冷风机 | Air cooler |
42 | 振动流化床 | Vibrating fluidized bed |
43 | 旋风除尘器 | Cyclone dust collector |
44 | 引风机 | Induced draft fan |
45 | 膜除尘器 | Membrane dust collector |
46 | 包装机 | Packaging machine |
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