Lagoon barrier
Lamellar apparatus and method for clarifying water
Laminated microporous diffuser
Land restoration following oil-well drilling and products...
Lanthanide halide water treatment compositions and methods
Large-pored molecular sieves containing at least one...
Laser disinfection of fluids
Latices for industrial waste coagulation
Latices for sewage coagulation
Legionella effective biocide for aqueous based systems
Lime metering device
Lime neutralization process for treating acidic waters
Linear barrier for septic tanks
Linearized polymers from irradiation for flocculating,...
Liquefying de-watered sludge preparatory to drying
Liquid aerating apparatus
Liquid aeration apparatus and wastewater treatment apparatus
Liquid aeration apparatus and wastewater treatment method
Liquid aeration device
Liquid aeration to reduce biological oxygen demand