Reaction

Ethanol to Ethylene

Methanol to Dimethyl Ether

Methanol to Propylene (MTP)

Feeds

40-80％ dilute alcohol

40-90% crud methanol

40-90% crud methanol

Reaction Tem. oC

220～280

180～320

460～500

Space Velocity h-1

1～2

1.0～4.0

1.2～1.7

Conversion %

＞99%

80%

＞99%

Selectivity %

＞98%

99.5 ～100

Light Olefin＞74%； Propylene/Ethylene ＝ 4～8

Regeneration time h

＞3000

＞1000

＞1000

Life Time d

＞300

＞300

＞300

Shape

Column or Sphere

Particle Size mm

1.5～3.0

Strength N

＞40

BET Surface Area m2×g-1

＞340