ClassID:

126442

D21C11/06 - CPC Classification

Classification description:

Regeneration of pulp liquors or effluent waste waters Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO, e.g. arising from liquors containing sulfur compounds

Sub-classes:
Recent Application in this class:
#1
20230241552
2023-08-03

A METHOD AND ARRANGEMENT FOR MANAGING AND CONTROLLING NITROGEN EMISSION FROM A CYCLIC LIQUOR FLOW SYSTEM IN A PULP MILL

#2
20230183601
2023-06-15

PROCESS AND APPARATUS FOR TREATING TALL OIL

#3
20230022830
2023-01-26

METHOD FOR PRODUCING CELLULOSE CARBAMATE

#4
20220290370
2022-09-15

Process for manufacturing an upgraded bio-oil from black liquor

#5
20220268442
2022-08-25

Determining one or more proportional particle group shares in flue gas of a recovery boiler

#6
20220081834
2022-03-17

PROCESS AND SYSTEM FOR TREATING VAPOURS RELEASED FROM LIGNOCELLULOSE BIOMASS DURING ACID TREATMENT

#7
20210087745
2021-03-25

Method and a system for obtaining methanol from foul condensate of a pulping process

#8
20200385925
2020-12-10

Method and a system for adjusting S/Na-balance of a pulp mill

#9
20200291574
2020-09-17

Method and a system for adjusting S/Na-balance of a pulp mill

#10
20190218712
2019-07-18

Method for generation of clean steam in a continous digester system

#11
20190177914
2019-06-13

System and a method for producing aqueous sulphuric acid

#12
20190127910
2019-05-02

Method and arrangement for generating process steam

#13
20190078773
2019-03-14

Arrangement of heat recovery surfaces of a recovery boiler

#14
20180274171
2018-09-27

System and process for stripping volatile organic compounds from foul condensate

#15
20180207557
2018-07-26

Vapor relief strainer with cleaner

#16
20160200651
2016-07-14

Methanol purification method and apparatus

#17
20160083252
2016-03-24

Use of methanol in the production of hydrogen and fuel, processes and plants for the production of hydrogen and fuel

#18
20160002853
2016-01-07

Method for recovering chemicals and by-products from high-sulphidity pulping liquors

#19
20150315745
2015-11-05

Flared inlet insert for introducing flow into a flash tank

#20
20140352900
2014-12-04

Flash tank with flared inlet insert and method for introducing flow into a flash tank

#21
20140007908
2014-01-09

Vapor relief screen basket cleaning brush and method

#22
20130340960
2013-12-26

Method and arrangement for separating contaminants from liquids or vapors

#23
20120325421
2012-12-27

Circular utilization method in pulping and papermaking processes with straw

#24
20120145629
2012-06-14

System and method for treating process water with separate separation of gases and solids

#25
20110306807
2011-12-15

Methanol purification method and apparatus

#26
20110198049
2011-08-18

FIBERLINE SYSTEMS, PROCESSES AND METHODS

#27
20110120662
2011-05-26

Method and equipment for treatment of black liquor at pulp mill

#28
20110104044
2011-05-05

DIRECT SYNTHESIS OF AQUEOUS HYDROGEN PEROXIDE SOLUTION AT THE SITE OF A PAPER MILL

#29
20110079364
2011-04-07

Process for Controlling Ammonia Loss

#30
20100317905
2010-12-16

Use of Methanol in the Production of Hydrogen and Fuel, Processes and Plants for the Production of Hydrogen and Fuel

#31
20100317749
2010-12-16

Waste water treatment from a biomass-to-liquid process comprising synthesis gas production and integrated factory facility

#32
20100316553
2010-12-16

Method for extracting ammonium salt and methanol from a liquid obtained from foul condensates in a cellulose pulp mill

#33
20100263816
2010-10-21

Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production

#34
20100236733
2010-09-23

Method and system to generate steam in a digester plant of a chemical pulp mill

#35
20080308019
2008-12-18

Recovery boiler plant and a method in a recovery boiler

#36
20070131363
2007-06-14

Fiberline systems, processes and methods

#37
20070092422
2007-04-26

Method for processing flue gases

#38
20070051480
2007-03-08

Method and apparatus for loading a fibrous stock suspension

#39
20050098037
2005-05-12

Method for the treatment of waste gas from a cellulose plant

#40
15587077
2017-10-03

Excess heat recovery during high temperature pulp bleaching