The separation efficiency of a representative sheet metal structured packing (Mellapak 350Y) in experimental columns (0.15?m i.d.) is presented at high-pressure and total reflux distillation conditions. N -butane and ...The separation efficiency of a representative sheet metal structured packing (Mellapak 350Y) in experimental columns (0.15?m i.d.) is presented at high-pressure and total reflux distillation conditions. N -butane and n -pentane is used as the testing system.Pressures span the range of 0.7-1.9?MPa.With the increase of F -factor,the HETP values decrease slightly in the loading area at all test pressure but increase before flooding point.By comparing the experiment data with the predictions of SRP model,it is found that SRP model performance deteriorates at a high pressure.展开更多
The performance of wire gauze structured packing was studied in a packed column of 19 mm internal diameter under the condition of total reflux and high pressure.The pressure ranged from 0.7 MPa to 1.9 MPa.i-Butane/n-b...The performance of wire gauze structured packing was studied in a packed column of 19 mm internal diameter under the condition of total reflux and high pressure.The pressure ranged from 0.7 MPa to 1.9 MPa.i-Butane/n-butane was used as the testing system.The influence of pressure on HETP was investigated.With the increase of F-factor, the HETP values would slightly decrease at all testing pressure before flooding point.By comparing with the previous experimental data at Tianjin University, it was found that the separation efficiency of wire gauze packing was obviously higher than Mellapak 250Y structured packing.展开更多
文摘The separation efficiency of a representative sheet metal structured packing (Mellapak 350Y) in experimental columns (0.15?m i.d.) is presented at high-pressure and total reflux distillation conditions. N -butane and n -pentane is used as the testing system.Pressures span the range of 0.7-1.9?MPa.With the increase of F -factor,the HETP values decrease slightly in the loading area at all test pressure but increase before flooding point.By comparing the experiment data with the predictions of SRP model,it is found that SRP model performance deteriorates at a high pressure.
文摘The performance of wire gauze structured packing was studied in a packed column of 19 mm internal diameter under the condition of total reflux and high pressure.The pressure ranged from 0.7 MPa to 1.9 MPa.i-Butane/n-butane was used as the testing system.The influence of pressure on HETP was investigated.With the increase of F-factor, the HETP values would slightly decrease at all testing pressure before flooding point.By comparing with the previous experimental data at Tianjin University, it was found that the separation efficiency of wire gauze packing was obviously higher than Mellapak 250Y structured packing.
