Hydrogen sulfide removal is a long-standing economic and environmental challenge faced
by the oil and gas industries. H2S separation processes using reactive and non-reactive …

Hydrogen sulfide (H 2 S) has a broad spectrum of properties and is particularly infamous for
having toxic effects on various biosystems. The regulation of H 2 S levels in ecosystems is …

Smithsonite is a typical zinc oxide mineral, and the flotation index is not ideal for the
recovery of smithsonite via sulfidization–xanthate flotation. In this study, Pb 2+ was used as …

A series of bifunctional ZnO-MgO/activated carbon adsorbents (denoted as Mg x Zn 1-x/AC)
were synthesized. The molar ratio of Mg/(Mg+ Zn) was optimized maintaining a 20 wt.% total …

Pyrolysis chars from wastes were investigated as sorbents for H 2 S removal from syngas.
The H 2 S removal tests were performed at ambient temperature in various dry gas matrices …

Two kinds of macroalgae biochars were prepared through pyrolysis of typical macroalgae
(enteromorpha and sargassum), and were used to adsorb gaseous hydrogen sulfide (H 2 S) …

Herein, an unusual strategy is reported to enhance the H 2 S uptake capacity by varying the
ZnO-support interaction and controlling the acid-basic environment of the pore channel; this …

In this study, the effects of hydrolytic polymaleic anhydride (HPMA) on the flotation
separation of fine smithsonite from fine calcite in the Na 2 S-Pb (II)-xanthate system were …

As a green organic acid with biodegradable and low-cost characters, polyepoxysuccinic
acid (PESA) was utilized as a depressant to achieve the flotation separation of smithsonite …

The adsorption of sodium oleate (NaOL) at the microfine hematite/aqueous solution
interface was investigated in this paper. Experimental research indicated that negative …