Words to Describe sludges

How sludges often is described ("________ sludges")

• raw
• acidic
• light
• thicker
• secondary
• organic
• acid
• solid
• thickened
• residual
• undigested
• granular
• dense
• anoxic
• toxic
• insoluble
• activated
• mixed
• most
• various
• oily
• incompressible
• excess
• sulfuric
• anaerobic
• viscous
• containing
• aerobic
• methanogenic
• septic
• effluent
• fluid
• primary
• heavy
• fresh
• alkaline
• conventional
• concentrated
• metallic
• limed
• inorganic
• chemical
• applied
• difficult
• liquid
• conditioned
• biological
• municipal
• greasy
• bearing
• thick
• dewatered
• dry
• thin
• dried
• untreated
• pumpable
• domestic
• sticky
• hydroxide
• metal
• faecal
• bottom
• mesophilic
• ferric
• treatment
• hazardous
• dilute
• typical
• fibrous
• dewater
• rich
• homogeneous
• different
• caustic
• urban
• wet
• treated
• gelatinous
• compressible
• digested
• soft
• industrial