Sand collection system

Sanitary waste disposal unit

Segmented fluidized bed combustion method

Selective oxygen enrichment in slagging cyclone combustors

Self-anchoring expansion gap assembly for a gasifier

Self-contained household garbage incinerator

Separating spent and unreacted particles of calcium-based sulfur

Separation of pyrite from coal in a fluidized bed

Sewage sludge dewatering using flowing liquid metals

Sewage sludge disposal process and apparatus therefor

Sewage treatment method and apparatus

Slag reduction in coal-fired furnaces using oxygen enrichment

Slag viscosity detection through image analysis of dripping slag

Slagging-combustor sulfur removal process and apparatus

Sludge incineration in single stage combustor with gas scrubbing

Sludge processor

SO3 flue gas conditioning system with catalytic converter temper

Sodium addition to low rank coal to enhance particulate removal

Soil remediation method and apparatus

Solid fuel and a process for its combustion