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2. Desiccant - Wikipedia

   en.wikipedia.org/wiki/Desiccant

   Canisters are commonly filled with silica gel and other molecular sieves used as desiccant in drug containers to keep contents dry. Silica gel in a sachet or porous packet. A desiccant is a hygroscopic substance that is used to induce or sustain a state of dryness (desiccation) in its vicinity; it is the opposite of a humectant.

3. Damp proofing - Wikipedia

   en.wikipedia.org/wiki/Damp_proofing

   Damp proofing in construction is a type of moisture control applied to building walls and floors to prevent moisture from passing into the interior spaces. Dampness problems are among the most frequent problems encountered in residences. DPC visible between concrete foundation and brickwork.

4. Desiccator - Wikipedia

   en.wikipedia.org/wiki/Desiccator

   Colour changing silica may be used to indicate when it should be refreshed. Indication gels typically change from blue to pink (if the indicator is cobalt(II) chloride) as they absorb moisture but other colours may be used. A stopcock may be included to permit the desiccator to be evacuated. Such models are usually known as vacuum desiccators.

5. Damp (structural) - Wikipedia

   en.wikipedia.org/wiki/Damp_(structural)

   Structural dampness is the presence of unwanted moisture in the structure of a building, either the result of intrusion from outside or condensation from within the structure. A high proportion of damp problems in buildings are caused by ambient climate dependent factors of condensation and rain penetration. [ 1 ]

6. Dry rot treatment - Wikipedia

   en.wikipedia.org/wiki/Dry_rot_treatment

   More holistic approaches attempt to eradicate dry rot by controlling the local environment to reduce timber moisture levels and increase ventilation in order to promote drying. The first priority when treating dry rot is to find and remove the dampness within the building that caused the outbreak, and to promote drying out by taking measures ...

7. Vacuum drying - Wikipedia

   en.wikipedia.org/wiki/Vacuum_drying

   Vacuum drying is the mass transfer operation in which the moisture present in a substance, usually a wet solid, is removed by means of creating a vacuum.. In chemical processing industries like food processing, pharmacology, agriculture, and textiles, drying is an essential unit operation to remove moisture. [1]

8. Dehumidifier - Wikipedia

   en.wikipedia.org/wiki/Dehumidifier

   Desiccant dehumidifiers (known also as absorption dehumidifiers) bond moisture with hydrophilic materials such as silica gel. Cheap domestic units contain single-use hydrophilic substance cartridges, gel, or powder. Larger commercial units regenerate the sorbent by using hot air to remove moisture and expel humid air outside the room.

9. Oxygen scavenger - Wikipedia

   en.wikipedia.org/wiki/Oxygen_scavenger

   Oxygen scavengers or oxygen absorbers are added to enclosed packaging to help remove or decrease the level of oxygen in the package. They are used to help maintain product safety and extend shelf life. [1] There are many types of oxygen absorbers available to cover a wide array of applications. [2] [3]