B01D2311/00 - CPC Classification Index

ClassID:

30719 ⎘

B01D2311/00 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control

Sub-classes:

B01D2311/02 » Specific process operations before starting the membrane separation process 69
B01D2311/04 » Specific process operations in the feed stream; Feed pretreatment 898
B01D2311/06 » Specific process operations in the permeate stream 387
B01D2311/08 » Specific process operations in the concentrate stream 271
B01D2311/10 » Temperature control 99
B01D2311/12 » Addition of chemical agents 259
B01D2311/13 » Use of sweep gas 110
B01D2311/14 » Pressure control 311
B01D2311/16 » Flux control 171
B01D2311/18 » pH control 183
B01D2311/20 » Power consumption 22
B01D2311/22 » characterised by a specific duration or time 17
B01D2311/24 » Quality control 36
B01D2311/25 » Recirculation, recycling, e.g. recirculation of concentrate into the feed 336
B01D2311/26 » Further operations combined with membrane separation precesses 63

Recent Application in this class:

20190112213

Drainless reverse osmosis water purification system

20180362376

MULTI-STAGE IMMERSION-TYPE MEMBRANE SEPARATION DEVICE AND MEMBRANE SEPARATION METHOD

20160280575

Drainless reverse osmosis water purification system

20150353396

MULTI-STAGE IMMERSION-TYPE MEMBRANE SEPARATION DEVICE AND MEMBRANE SEPARATION METHOD

20130048549

Drainless reverse osmosis water purification system

20110000831

MEMBRANE SEPARATION PROCESSES AND SYSTEMS FOR ENHANCED PERMEANT RECOVERY

20100270217

Drainless reverse osmosis water purification system

20090173683

Drainless reverse osmosis water purification system

20090069619

Membrane separation processes and systems for enhanced permeant recovery

20080087587

Drainless reverse osmosis water purification system