System and method of treatment of gas contaminated with hydrogen sulfide and the reduction of hydrogen sulfide associated odor

A method of treating an influent gas stream comprising an oxygenated gas and hydrogen sulfide, the method comprises:

• contacting, in an eductor, the influent gas stream comprising the oxygenated gas and the hydrogen sulfide and an aqueous stream including an available metal chelant;
• releasing an eductor effluent stream including a mixture of sulfur, a first treated gas including a lower concentration of hydrogen sulfide than the influent gas stream, a first unavailable metal chelant, the available metal chelant;
• and
• receiving the eductor effluent stream in a common vessel and performing a plurality of activities including:
• generating a second treated gas by reducing a metal of the available metal chelant by forming bonds between sulfide ions of the hydrogen sulfide of the first treated gas and forming a second unavailable metal chelant;
• and
• producing the aqueous stream of the available metal chelant by oxidizing the first or second unavailable metal chelant using the oxygenated gas.