Reviewers generally categorize these materials by their origin and specific use cases:
Sorbent materials are insoluble substances used to recover liquids or gases through absorption (soaking up like a sponge) or adsorption (liquid sticking to the surface). They are primarily reviewed based on their (weight of liquid sorbed per unit weight of sorbent), safety , cost , and ease of application/disposal . Top Sorbent Categories and Performance sorbent material
A review on sorbent devices for oil-spill control - ScienceDirect sorbent material