ClassID:

85549

C01D7/24 - CPC Classification

Classification description:

Carbonates of sodium, potassium or alkali metals in general; Purification Crystallisation

Recent Application in this class:
#1
20250340446
2025-11-06

Pond System for Effective Sodium Carbonate Separation from Sodium Chloride

#2
20250323337
2025-10-16

SELECTIVE LITHIUM EXTRACTION FOR CATHODE MATERIALS

#3
20250140957
2025-05-01

METHOD FOR PREPARING CARBON-COATED SODIUM IRON FLUOROPHOSPHATE FROM WASTE LITHIUM IRON PHOSPHATE AND APPLICATION THEREOF

#4
20240051836
2024-02-15

PRODUCTION OF ALKALI METAL CARBONATES AND/OR BICARBONATES FROM ALKALI METAL SULPHATES

#5
20240025755
2024-01-25

A Lithium Carbonate Production Process and Apparatus

#6
20230103792
2023-04-06

Soda ash and sodium bicarbonate production method

#7
20220169522
2022-06-02

Lithium carbonate production process and apparatus

#8
20210402316
2021-12-30

Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation

#9
20210070620
2021-03-11

Process for producing a concentrated aqueous sodium hydroxide solution

#10
20200094158
2020-03-26

Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation

#11
20190276326
2019-09-12

Method for preparing alkali metal bicarbonate particles

#12
20190241439
2019-08-08

Process for silica removal from sodium bicarbonate production wastewater

#13
20190039912
2019-02-07

Process for reducing fouling in evaporators in lithium hydroxide recovery

#14
20180257000
2018-09-13

Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation

#15
20180230018
2018-08-16

Production of crystalline sodium bicarbonate

#16
20180222759
2018-08-09

Process for the joint production of sodium carbonate and sodium bicarbonate

#17
20170183237
2017-06-29

PROCESS FOR TREATING A SODIUM CARBONATE PURGE

#18
20170029283
2017-02-02

Sodium carbonate monohydrate crystallization

#19
20160368779
2016-12-22

Method for preparing alkali metal bicarbonate particles

#20
20160348310
2016-12-01

Method of recovering pulping chemicals from dissolved ash having a high carbonate content

#21
20160145115
2016-05-26

Method for preparing particles of alkali metal bicarbonate

#22
20160130153
2016-05-12

Method for preparing particles of alkali metal bicarbonate

#23
20150132203
2015-05-14

Process for treating a sodium carbonate purge

#24
20150037583
2015-02-05

Process for the joint production of sodium carbonate and sodium bicarbonate

#25
20140178288
2014-06-26

Method for increasing evaporation rate of an evaporative pond using solar energy

#26
20140174673
2014-06-26

Method for increasing evaporation rate of an evaporative pond

#27
20130248462
2013-09-26

Selective removal of sulfide from aqueous alkali solutions

#28
20130011312
2013-01-10

Process for the joint production of sodium carbonate and sodium bicarbonate

#29
20120213689
2012-08-23

Selective salt recovery from mixed salt brine

#30
20120093708
2012-04-19

DEVICE AND METHOD FOR EXTRACTING AND SEPARATING SODIUM AND POTASSIUM

#31
20110274599
2011-11-10

Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives

#32
20110250109
2011-10-13

Process for the joint production of sodium carbonate and sodium bicarbonate

#33
20110064637
2011-03-17

Process for the joint production of sodium carbonate and sodium bicarbonate

#34
20110027152
2011-02-03

Combined process for preparing calcined soda by applying surface engineering technology to natural soda preparation

#35
20100290976
2010-11-18

Method of producing sodium carbonate decahydrate

#36
20100147698
2010-06-17

Method for obtaining sodium carbonate monohydrate crystals

#37
20090291038
2009-11-26

Process For The Joint Production of Sodium Carbonate and Sodium Bicarbonate

#38
20090260993
2009-10-22

Method for obtaining sodium carbonate crystals

#39
20080193365
2008-08-14

Method for obtaining sodium carbonate crystals

#40
20070140945
2007-06-21

Production of sodium sesquicarbonate and sodium carbonate monohydrate

#41
20060182675
2006-08-17

Process for production of dense soda, light soda, sodium bicarbonate and sodium silicate from solutions containing bicarbonate

#42
17937623
2025-10-07

Process for treating a sodium carbonate purge