Dry Screening or Washing Screening?

Choose dry screening for clean, low-clay material that needs no water; choose washing screening for clay-rich or contaminated material that must have fines and clay removed.

Choosing a screening plant depends on how clean the feed material is and the quality expected in the final product. General Makina supplies both vibrating screens for dry screening and washing plants for wet screening. This page helps you make the right decision between the two methods.

Decision Criterion	Dry Screening	Washing Screening
Material cleanliness / clay content	Clean, low-clay material	High clay and silt content
Water availability	No water required	Requires water supply and management
Product cleanliness	Product may retain fines and dust	Washed, clean aggregate and sand
Operating complexity	Simpler operation	More equipment and management
Dewatering	Not required	Dewatering required

For clean, low-clay material: choose dry screening.
For clay-contaminated material: choose a washing plant.
When water supply is limited: choose dry screening.
When washed clean sand and aggregate are required: choose washing screening.

For dry solutions, explore the vibrating screens product family; for wet solutions, explore the washing and screening plants product family.

Is dry screening enough if my material is clayey?

With high clay and silt content, dry screening cannot separate fines from the product; a washing plant is required in that case.

What if I have no water source?

If water supply or management is not feasible and the material is clean enough, dry screening is suitable.

Can I use both methods together?

Yes; many plants combine dry screening for coarse separation with washing screening for fine and clay-bound fractions.

Request a quote from General Makina for the dry or washing screening solution that fits your needs.