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  • Silica gels
  • Silica gels - Giebel Poresphere®

  • Overview
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  • Compare our products with 
    BASF, Grace, Steiner Chemie, etc.
    What is silica gel, and how does 
    this desiccant work?
    REACH Certification



    VIEW IN SHOPWith color indicator Pure white ( narrow pore) Wide pore Alumina Water-resistant
    READY MADE BAGSSilica gel sachets
  • Molecular sieves

    Molecular sieveS - Giebel CagespherE®

    Overview

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    Compare our products with
    BASF, Grace, Steiner Chemie, etc.
    Selective adsorption - Overview table What is a molecular sieve and how 
    does it work?
    Fine & coarse grains – when should I 
    use which?

    VIEW IN SHOP Type 3AType 4AType 5ABinder-freeType 13X


  • READY MADE BAGS Molecular sieve sachets


  • Aluminium oxides

    Activated Aluminium oxideS - GIEBEL PorespherE®

    Overview

    LeArn

    What is activated aluminum oxide and 
    how does the desiccant work?
    Adsorption spectrum – Overview table

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    Aktiv-AL Aktiv-AL K8 Aktiv-AL Powder
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  • TECHN. BACKGROUND INFO

  • Silica gelsMolecular sieves Activated aluminum oxides How desiccants work What are adsorbents? Various grain sizes Disposal
  • APPLICATION EXAMPLES

  • OverviewAdsorption dryersBreathing air compressors Biogas drying Biomethane (CO₂ & O₂ Separation) Ethanol drying Insulating oil in transformersPlastic granules drying (PET)Air Separation Units (ASU) Water-resistant silica gel
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PORESPHERE® Aktiv-AL. Suitable to adsorb the following substances.


Click for quick view:
In water / liquid phase 
In gas phase

In water / liquid phase.

Substance

Formula

Application

Fluoride

F⁻

Drinking water

Arsenate

H₂AsO₄⁻, HAsO₄²⁻

Drinking water

Arsenite

As(III)

Drinking water

Phosphates

PO₄³⁻ and related

Stormwater, industrial effluents

Chromate

CrO₄²⁻, HCrO₄⁻

Industrial wastewaters

In gas phase.

Substance

Formula

Application

Water

H₂O

Industrial drying

Hydrogen sulfide

H₂S

Waste gas, natural gas sweetening, refinery off-gases

Sulfur dioxide

SO₂

Waste gas, flue-gas, process-gas

Hydrogen fluoride

HF

Alkylation units, fluorine chemistry, H₂O₂ production

Hydrogen chloride

HCl

Reforming, refinery-, process-gas

Oxygenates

Alcohols, aldehydes, etc.

Gas streams

Mercaptans

R–SH

Natural gas, refinery streams

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74626 Bretzfeld 
Germany​

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