What kind of sorbents are available?


1. CLAY GRANULES 
  • Dusty 
  • Heavy 
  • Impermeable 
  • Absorbs less than 1 times its own weigh

2. VERMICULITE GRANULES
  • Absorbs 4 to 5 times its own weight 
  • Too light if used loose (used mainly in SOCs) 
  • Retrieval is labor-intensive 
  • Can damage machines 
  • Is expensive as waste

3. ORGANIC GRANULES
  • Plants / sawdust / paper / corn cob 
  • Absorbs up to 6 times its own weight 
  • Limited chemical resistance 
  • Retrieval is highly labor-intensive

4. POLYPROPYLENE
  • Absorbs 10 to 25 times its own weight 
  • Many specially made sizes and models 
  • Incinerable - only 0.02% ash - and energy value of 14 kwh/kg. 
  • Chemical resistant 
  • Storage life / does not rot or mildew 
  • Ability to float 
  • Reusable 
  • Cost effective