Dust collection, Air pollution control and Wet filtration

             

Filter bag

Cloth for press-filter

Materials and Polymers in Process :
  • Cotton, wool for ambient air application without presence of chemicals in the raw gas*;
  • Polyester, polyamide, acrylic co-polymer for application at low / ambient temperature, even, with moderate concentration of chemicals in the gas*;
  • Polypropylene, polyacrylonitrile for applications at low temperature, in presence of moderate acidic gas or moisture*;
  • Meta-aramide (Nomex®) for hot gas with eventual presence of low concentrated chemicals in the gases;
  • Polyphenylen sulfide (PPS), glass, polyimid (P84®), PTFE : for applications at hot gases and even with medium to high chemical concentration in the flue gases*;
  • Stainless steel fibres for anti-static property and electrical conductivity*;
  • Inflammable or flame retardant fibres : vs. ignition risks or vs. flame propagation.

    * The information contained here is a summary of technical literature. However before application please contact our technicians for further assistance.

Treatments and finishes available on our filter media :
  • Singeing, calendering, heat-setting, glazing;
  • Antistatic property;
  • Deep coating of Teflon® for acid resistance, hydrophobic & oelophobic character;
  • Surface coatings and micro-porous membranes for surface filtration;

Filter media and confectioning according to specification :
  • Woven and needle-punched filter media as roll goods;
  • Bags for dust collectors;
  • Pockets and multi pockets for filtration;
  • Filter panels, sleeves and bags;
  • Rotative sieves, cloths for centrifuge drums and for filter presses;

Additional Customer Services :
  • Dismantling and re-erection of the filter elements on site;
  • Parts for dust collectors (ex. Cages, venturies…);
  • Fluo-tracing powder for identifying;
  • Sealing joints from room temperature up to high temperature applications;

Investigations, Surveys and advice services :
  • Assistance for the selection of the most appropriate filter media for any application;
  • Specific survey and on site measurements;
  • Development of tailored made filter media or filter element for individual solution.

We currently serve the following industries :
  • mineral (cement, lime, plaster, gravel, mines), metallurgical, chemical, pharmaceutical, food and pet-food, cellulose (wood and paper), glass and ceramic, asphalt plants…
  • We supply following utilities : incineration plants (MWI and hazard waste incineration), boilers, power plants, crematorium…
           

Air filter

Press-filter

J.ALTHOFFER cie. S.A.S.
 4, route de Rimbach - 68500 Rimbach-Zell - FRANCE
Phone +33 (0)3 89 62 23 23   Fax +33 (0)3 89 76 28 58

Web Site : www.althoffer.com
E-mail : althoffer@althoffer.com