Efficient scale inhibitor of tail-gas compressor of styrene device and application method thereof
A technology of tail gas compressor and antiscalant, which is applied in chemical instruments and methods, organic chemistry, hydrocarbons, etc.
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Embodiment 1~27
[0017] Under constant stirring, by mass, in commercially available 2# solvent (commercial brand, main component is hydrocarbons), add each compound component that table 1, table 2 and table 3 provide respectively, make it mix homogeneously, That is, the tail gas compressor scale inhibitor of the present invention is obtained. Measured according to the method specified in GB / T265, the kinematic viscosity of the scale inhibitor is 1-5 at 40°C.
[0018] Table 1: Components and ratios of scale inhibitors for high-efficiency compressors in Examples 1 to 9 (data in the table are all parts by mass)
[0019]
[0020] Table 2: Components and ratios of scale inhibitors for high-efficiency compressors in Examples 10 to 18 (data in the table are all parts by mass)
[0021]
[0022] Table 3: Components and ratios of scale inhibitors for high-efficiency compressors in Examples 18 to 27 (data in the table are all parts by mass)
[0023]
Embodiment 28
[0025] Add the high-efficiency scale inhibitor for tail gas compressor of Example 1 into the mixed hydrocarbons composed of 100g styrene, α-methylstyrene and vinylbenzene (mass fraction is respectively 50%, 20%, 30%) at 2000ppm and Placed in a closed stainless steel container with a volume of 2L, reacted at a temperature of 120°C, a pressure of 2.5MPa, and a residence time of 48h. After the reaction, the mass of the polymer produced was measured to be 5.891g.
Embodiment 29
[0027] The tail gas compressor high-efficiency scale inhibitor of example 2 is added in the mixed hydrocarbon that is made up of 100g styrene, α-methylstyrene, vinylbenzene (mass fraction is respectively 50%, 20%, 30%) by 1800ppm and Placed in a closed stainless steel container with a volume of 2L, reacted at a temperature of 120°C, a pressure of 2.5MPa, and a residence time of 48h. After the reaction, the mass of the polymer produced was measured to be 5.973g.
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