New desulfurizations by nickel-containing complex reducing agents

~%

~%

~%

~%

~%

~49%

~%

~%

~10%

~%

~%

~13%

~55%

~46%

~19%

~%

~%

~%

~%

~%

~%

~%

~%

~%

~91%

~%

~%

~%