Inventor

JOHNSON DENNIS W

CA61 patents

⚠️ This page may combine multiple inventors who share the name “JOHNSON DENNIS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOHNSON DENNIS W

BABCOCK & WILCOX CO

High velocity integrated flue gas treatment scrubbing system

Activated carbon flue gas desulfurization systems for mercury removal

Hydrogen peroxide for flue gas desulfurization

Regenerative scrubber application with condensing heat exchanger

Black liquor gasifier

Selective catalytic reduction reactor integrated with condensing heat exchanger for multiple pollutant capture/removal

Flue gas conditioning for the removal of acid gases, air toxics and trace metals

Particulate collection device with integral wet scrubber

Dry scrubber with integral particulate collection device

Extended wear life low pressure drop right angle single exit orifice dual-fluid atomizer with replaceable wear materials

Method and apparatus for gas liquid contact

Oxidation detection for sulfite/sulfate systems

High velocity integrated flue gas treatment scrubbing system

Fine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancement

Hydrogen peroxide for flue gas desulfurization

Segmented heat exchanger flue gas treatment

Method of reagent and oxidation air delivery

Ammonia-limestone scrubbing with by-product for use in agriculture

Two stage downflow flue gas treatment condensing heat exchanger

FGD performance enhancement by hydroclone and recycling steps

Cost reduction of wet FGD system with a tray

Mist elimination/air toxic control in a wet scrubber using a condensing heat exchanger

Enhanced heat exchanger flue gas treatment using steam injection

Dual fluid atomizer exit orifice shield gas supply housing

Single spray level for flue gas desulfurization system

Black liquor gasifier

Regenerable magnesium dry scrubbing

Forced oxidation monitoring and control system

Regenerable flue gas desulfurization system

Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation

Method of reagent and oxidation air delivery

High efficiency advanced dry scrubber

Low pressure drop dry scrubber

Key advanced linear kinetic absorber method using a particulate arresting device

Key advanced linear kinetic absorber system particulate arresting device

Enhanced heat exchanger flue gas treatment using steam injection

Black liquor gasifier

Waste recovery and utilization in the kraft recovery process

Method of converting a downflow/upflow wet flue gas desulfurization (WFGD) system to an upflow single-loop WFGD system

JOHNSON DENNIS W

Removal of Hg, NOx, and SOx with using oxidants and staged gas/liquid contact

Prevention of nitro-amine formation in carbon dioxide absorption processes

Multi-purpose absorber

Down-flow direct contact cooler

MCDERMOTT TECHNOLOGY INC

Fine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancement

Flooding reduction on a tubular heat exchanger

AIRBORNE IND MINERALS INC

Removal of Hg, NOx, and SOx with using oxidants and staged gas/liquid contact

ENVIROSOLV ENERGY LLC

Method for removing sulfur dioxide, mercury, and nitrogen oxides from a gas stream

SED SYSTEMS LTD

Automatic dialing equipment

ENSR CORP

Method and apparatus for removing and disposing of contaminated concrete

FLUOR TECH CORP

Thermally controlled combustion system