229910052500 inorganic mineral Inorganic materials 0.000 description 1; GNVXPFBEZCSHQZ-UHFFFAOYSA-N iron(2+);sulfide Chemical compound [S-2].[Fe+2] ...

Aug 2, 2020 ... “We really went back to the iron sulfide material to try to figure out the fundamental roadblocks to cheap, non-toxic solar cells,” Leighton ...

Chemical & Material Sciences Inorganic Chemistry. Show more. Show less ... toxic hydrogen sulfide off-gassing, and other concerns. With some known ...

The simplest way to dissolve a deposit of ferrous sulphide is by contact with strong acid. Unfortunately this method generates large volumes of highly toxic ...

an iron salt can scavenge hydrogen sulfide and form insoluble iron sulfide, thus preventing toxic levels of hydrogen sulfide from accumulating. transient ...

A feature of the present invention is to provide a composition and method for removing iron and iron sulfide solids with a non-toxic, metal complexing agent.

Chemical treatment with mineral acids may also lead to metal corrosion and the production of toxic byproducts including hydrogen sulfide. Due to the H 2S ...

US20030108462 For wood; chelation of toxic material; separation. 06/11/2003, CN2555269Y Deep heat pressure oxidation treatment equipment for hard immersion ...

First, hydrogen sulfide is an extremely toxic gas and cannot be vented to the atmosphere. In addition, hydrogen sulfide and acid cleaning solutions containing ...

Therefore, to safe in utilization, easy-to-use and cheap material, need minimum machinery to get involved in the technology, and avoid the chemical imperfection ...

The strong acid can also have corrosive effects on the wellbore equipment and may damage the formation. Using an oxidizing agent may avoid such toxicity hazards ...

carrier materials. metallic Hg is introduced into the polymer matrix prior to transformation into mercury sulphide (HgS), which gives the final product better ...

The Sherwin-Williams Co. Control of hydrogen sulfide gas to reduce toxicity and corrosion due to exposures thereto ... Lonza, Inc. Method of scavenging hydrogen ...

A method of remediating a substance contaminated with carbon disulfide, wherein the substance is contacted with iron, is described.

Sulfur is added to the slurry to greatly improve the effectiveness of the iron in reducing the liquor. The slurry is constantly agitated. After a reaction time ...

Aug 6, 2015 ... Pyrophoric material such as iron sulfide is frequently found in refinery equipment. When the equipment is opened to the atmosphere for ...

Lead is also a widespread contaminant in soils and groundwater. Lead has been ranked the second most hazardous substance in the U.S. by the Agency for Toxic ...

WO2004056936A1 Material for treating harmful substance ... US20040079444 Kneading iron sulfide containing compound with wastes; stirring; water treatment.

... material by binding to the excess sulfides to create an insoluble iron sulfide. ... harmful substance and method for treating harmful substance using the ...

US8268037B2 - Recovery of molybdenum from molybdenum bearing sulfide materials by bioleaching in the presence of iron - Google Patents.