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Sulfate-reducing microorganisms are responsible for the sulfurous odors of salt marshes and mud flats. Much of the hydrogen sulfide will react with metal ions in the water to produce metal sulfides. These metal sulfides, such as ferrous sulfide (FeS), are insoluble and often black or brown, leading to the dark color of sludge. [2]
The first in which biological sulfur reduction occurs, the second through which dissolved H 2 S in wastewaters is stripped into hydrogen sulfide gas, and the third consists in the treatment of flue gases, removing over 90% of SO 2 and NO, according to this study. Furthermore, the 88% of the sulfur input would be recovered as octasulfur and then ...
The δ 18 O value of the newly formed sulfate thus depends on the δ 18 O value of the water, the isotopic fractionation associated with the incorporation of oxygen atoms from water to sulfate and a potential exchange of oxygen atoms between sulfur and nitrogen intermediates and water. [63]
Generated hydrogen sulfide may be a continuous energy source for this organism. [3] Some organisms can obtain energy from sources other than from the sun or other stars, which means similar lifeforms may be found on other planets in the Solar System and elsewhere.
An example of mold damage. Mold control and prevention is a conservation activity that is performed in libraries and archives to protect books, documents and other materials from deterioration caused by mold growth. Mold prevention consists of different methods, such as chemical treatments, careful environmental control, and manual cleaning ...
Crude oil & gas water management: Enhanced oil recovery almost always involves some kind of water treatment processes. Water treatment technology in the crude oil and gas industry includes disinfection treatment for produced water, frac-water, disposal well sites, enhanced oil recovery, and hydrogen sulfide removal.
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