Degassing system and tower for sulfur process

A degassing tower comprising:

• a first degassing tower chamber;
• and
• a second degassing tower chamber;
• wherein:
• said first degassing tower chamber comprises a liquid inlet, a liquid outlet, a gas inlet, and a gas outlet;
• disposed within said first degassing tower chamber is a packed bed section and a first degassing device;
• said second degassing tower chamber comprises a liquid inlet, a liquid outlet, a gas inlet, and a gas outlet;
• disposed within said second degassing tower chamber is a packed bed section and a second degassing device;
• each said degassing device comprises at least one sintered metal matrix;
• each said degassing device is disposable at least partially beneath a surface of a liquid;
• provision of gas to each said degassing device produces gas bubbles within at least one said sintered metal matrix thereof;
• and
• said gas bubbles have a median diameter at least as small as about ten micrometers;
• wherein:
• said first degassing device is fluidly connected to said first degassing tower chamber gas inlet;
• said second degassing device is fluidly connected to said second degassing tower chamber gas inlet;
• liquid can flow from said first degassing tower chamber to said second degassing tower chamber;
• and
• liquid cannot flow from said second degassing tower chamber to said first degassing tower chamber.