Patents Assigned to CLEANFLOW AB
  • Patent number: 9938664
    Abstract: Green liquor clarification comprising filtering of a flowing suspension containing solids, wherein the suspension is brought into contact with a first filter unit (4), said 5 filter unit (4) comprising one or several filter elements (12) comprising one or several filter bodies (3) having filter channels (33) within the filter bodies (3) with a filtering layer (32), a part of the suspension is forced to pass through the filtering layer (32) from a first/inner surface (32A) to a second/outer surface (32B) of the filtering layer (32) forming a filtrate while the solids substantially remains in a residual part of the suspension forming a slurry and where the filtering layer (32) is made of a membrane material with pores, said pores having a pore size of 0.1-10 micrometer, more preferred 0.1-5 micrometer and most preferred 0.2-1.0 micrometer.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: April 10, 2018
    Assignee: CLEANFLOW AB
    Inventors: Mikael Lindstrom, Christofer Lindgren, Lennart Borjeson, Lennart Kallen
  • Publication number: 20170051454
    Abstract: Green liquor clarification comprising filtering of a flowing suspension containing solids, wherein the suspension is brought into contact with a first filter unit (4), said 5 filter unit (4) comprising one or several filter elements (12) comprising one or several filter bodies (3) having filter channels (33) within the filter bodies (3) with a filtering layer (32), a part of the suspension is forced to pass through the filtering layer (32) from a first/inner surface (32A) to a second/outer surface (32B) of the filtering layer (32) forming a filtrate while the solids substantially remains in a residual part of the suspension forming a slurry and where the filtering layer (32) is made of a membrane material with pores, said pores having a pore size of 0.1-10 micrometer, more preferred 0.1-5 micrometer and most preferred 0.2-1.0 micrometer.
    Type: Application
    Filed: June 20, 2016
    Publication date: February 23, 2017
    Applicant: CLEANFLOW AB
    Inventors: Mikael Lindstrom, Christofer Lindgren, Lennart Borjeson, Lennart Kallen
  • Publication number: 20120125849
    Abstract: Green liquor clarification comprising filtering of a flowing suspension containing solids, wherein the suspension is brought into contact with a first filter unit (4), said 5 filter unit (4) comprising one or several filter elements (12) comprising one or several filter bodies (3) having filter channels (33) within the filter bodies (3) with a filtering layer (32), a part of the suspension is forced to pass through the filtering layer (32) from a first/inner surface (32A) to a second/outer surface (32B) of the filtering layer (32) forming a filtrate while the solids substantially remains in a residual part of the suspension forming a slurry and where the filtering layer (32) is made of a membrane material with pores, said pores having a pore size of 0.1-10 micrometer, more preferred 0.1-5 micrometer and most preferred 0.2-1.0 micrometer.
    Type: Application
    Filed: March 30, 2010
    Publication date: May 24, 2012
    Applicant: CLEANFLOW AB
    Inventors: Mikael Lindstrom, Christofer Lindgren, Lennart Borjeson, Lennart Kallen