C02F1/529 - CPC Classification Index

ClassID:

86283 ⎘

C02F1/529 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities Processes or devices for preparing lime water

Recent Application in this class:

20260092000

2026-04-02

Methods and Systems for Treating Phosphogypsum-Containing Water

20250276922

2025-09-04

CATIONIC COAGULANT AND FLOCCULANT COMPOSITIONS AND METHODS OF USE TO REMOVE ORGANICS/INORGANICS FROM PRODUCED WATER AT HIGH TEMPERATURE OPERATIONS

20250263335

2025-08-21

PROCESS AND APPARATUS FOR SLAKING LIME

20220073393

2022-03-10

Methods and Systems for Treating Phosphogypsum-Containing Water

20210323852

2021-10-21

Methods and Systems for Treating Phosphogypsum-Containing Water

20210163351

2021-06-03

Process and apparatus for treating water with hydrated lime slurry and for dissolving scale

20200088139

2020-03-19

WATER INJECTION SYSTEM

20170240441

2017-08-24

RDPreheating water jackets

20170158532

2017-06-08

ACID WASTEWATER TREATMENT

#10

20170081208

2017-03-23

Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use

#11

20170036936

2017-02-09

Process for the treatment of high sulphate waters

#12

20170036930

2017-02-09

Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use

#13

20150299011

2015-10-22

Method for breakdown of toxic organic compounds contained in wastewaters and/or waste gases

#14

20150266775

2015-09-24

Process and apparatus for slaking lime and dissolving scale

#15

20150122743

2015-05-07

Method for reducing chemical oxygen demand of waters containing starch, milk, whey, and other similar behaving organic components

#16

20150027958

2015-01-29

Method and Apparatus for the Treatment of Mine Water

#17

20150010458

2015-01-08

Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use

#18

20140363364

2014-12-11

METHOD AND SYSTEM FOR PURIFICATION OF PRODUCED WATER

#19

20140360940

2014-12-11

Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use

#20

20140332473

2014-11-13

Multistage filtrating pre-treatment for desalination of oilfield produced water

#21

20140299823

2014-10-09

Aqueous suspensions of calcium carbonate-comprising materials with low deposit built up

#22

20140175026

2014-06-26

Precision lime stabilization system and method for treatment of sewage sludge

#23

20140124453

2014-05-08

Chemical co-precipitation process for recovery of flow-back water, produced water and wastewater of similar characteristics

#24

20140034582

2014-02-06

System and method for lime stabilization of liquid sludge

#25

20120328510

2012-12-27

Process and apparatus for slaking lime and dissolving scale

#26

20120318735

2012-12-20

PROCESS FOR THE THERMOPHILIC AEROBIC TREATMENT OF CONCENTRATED ORGANIC WASTE WATER AND THE RELATED PLANT

#27

20120061328

2012-03-15

Process and apparatus for treating water with hydrated lime slurry and for dissolving scale

#28

20080028811

2008-02-07

Use of partly prehydrated lime for separating a solid matter/liquid mixture, method for treating sludge and purified sludge obtained by said method

#29

20050247626

2005-11-10

Method and installation for the production of lime water from deionised water