CN102617262A
|
|
Energy-saving process method for separating cyclohexane-cyclohexene-benzene
|
CN102070445A
|
|
Purification method of ethyl acetate
|
CN102040472A
|
|
Energy-saving process for rectifying alcohol by adopting heat integration of three rectifying columns
|
CN1765860A
|
|
Process for concentrating lower polyol from thin aqueous solution
|
CN1736961A
|
|
Styrene separation process
|
CN1693298A
|
|
Tech process for separating phenylethylene
|
CN1683309A
|
|
Process for purifying (methyl) propenoic acid by combined extracting and azeotropic rectification
|
CN1471990A
|
|
Forced liquid extracting style parallel spray packing tower plates
|
CN1395976A
|
|
Tower plate with defrosting guide structure and no back mix
|
CN1378872A
|
|
Tower plate for gas baffling
|
CN1286129A
|
|
Catalytic rectifying tower
|
CN1251314A
|
|
All-effective zone column plate
|
CN1204543A
|
|
Full effective region cross flow tower plate
|
CN1204545A
|
|
High-efficient defroster
|
CN1147412A
|
|
Parallel jet compounding tower
|