Hydrogen Sulfide Scavengers Market to Expand with Significant CAGR During 2024
Hydrogen
sulfide (H2S) scavengers are chemical compounds specially designed to
remove H2S gas. These compounds are commonly used in chemical
processing facilities. H2S are one essential oilfield chemicals.
These compounds are designed to work selectively in chemical mediums
and remove H2S from them. H2S scavengers are used in crude oil, fuel,
natural gas, liquefied petroleum gas, and other petroleum products
that are stored in tanker ships, storage tanks, and pipelines.
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Use
of hydrogen sulfide scavengers can be a cost-effective alternative
method to prevent H2S corrosion in traditional gas/liquid sweetening
process, as they offer effective treatment for wide variety of
applications. Hydrogen sulfide scavengers can be classified into two
types, regenerative H2S scavengers and nonregenerative H2S
scavengers.
The
treatment process is considered to be effective when the reaction
between scavenger and H2S is complete and irreversible. If the
reaction is incomplete, sulfide residue is left behind, as scavengers
cannot completely remove H2S from the product, thus the treatment is
said to be ineffective. Hydrogen sulfide scavengers are required to
be compliant with stringent regulations, as personnel and equipment
safety is dependent on its use in any treatment process. There are
on-going research and development activities being carried out in the
scavengers market regarding chemistry of hydrogen sulfide scavengers
to make these compounds more environment-friendly while maintaining
their effectiveness.
Hydrogen
Sulfide Scavengers Market: Key Segments
Based
on type, the hydrogen sulfide scavengers market can be segmented into
regenerative H2S scavengers and non-regenerative hydrogen sulfide
scavengers. In terms of chemistry, the hydrogen sulfide scavengers
market can be classified into water-soluble scavengers, oil-soluble
scavengers, and metal-based scavengers. Based on end-use, the
hydrogen sulfide scavengers market can be divided into oil & gas,
waste management, and water treatment.
Amine-based
chemicals are commonly used hydrogen sulfide scavengers in oilfield.
These hydrogen sulfide scavengers comprise of diethanolamine (DEA),
Monoethanolamine (MEA), Diglycolamine (DGA), N-methyl-diethanolamine
(MDEA), and Diisopropylamine. DEA, MEA, and DGA absorb acidic gases
other than H2S.
Installation
of systems based on regenerative scavengers is an economic solution
in large production facilities for the removal of H2S. The scavengers
absorb H2S and are regenerated by heating them. These regenerated
scavengers are then reutilized in the system. The separated H2S is
further treated to form elemental sulfur.
Hydrogen
Sulfide Scavengers Market: Drivers & Restraints
Non-regenerative
scavengers are of different types. They can be broken into categories
as solid scavengers, oxidizing chemicals, aldehydes, metal chelates &
carboxylates, and alkaline chemicals. Solid scavengers are typically
iron- or zinc-based compounds. Oxidizing chemicals such as sodium
nitrite, sodium bromite, and sodium chlorite are used as hydrogen
sulfide scavengers. Metal chelates are both water- and oil-soluble
and thus, these are used to treat both water- and oil-streams.
Application of non-regenerative scavengers is usually through in-line
injection quail in order to dissolve the liquid chemical into the gas
stream to maximize the reaction between the scavenger and the
product.
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Hydrogen
Sulfide Scavengers Market: Drivers & Restraints
Water-soluble
scavengers are commonly used for applications in temperatures below
93 °C. These scavengers are preferred as additives to be used in
crude oils, liquefied petroleum gases (LPGs), and flare gases.
Oil-soluble scavengers are commonly used in high temperature
applications, or where the product/chemical to be treated is
hydrophobic in nature. These scavengers are often amine-based
compounds. Metal-based scavengers are used in very high temperatures
and high H2S concentration application.
Use
of hydrogen sulfide scavengers is particularly high in the oil &
gas industry, in upstream and downstream applications, as the H2S gas
can cause various problems during crude oil production, liquefied
petroleum gas (LPG) production, petroleum processing, stored fuels,
etc.
The
type of hydrogen sulfide scavengers being used in the oil & gas
industry depends on the field of application and petroleum products
that is to be treated. Certain hydrogen sulfide scavengers are
effective in drilling fluids, while others are compatible with crude
oil & gas.
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Hydrogen
Sulfide Scavengers Market: Key Players
Key
players operating in the hydrogen sulfide scavengers market include
Hexion, SUEZ, Schlumberger Limited, NuGenTec, Arkema Group,
Dorf-Ketal, Halliburton, and Paqell BV.
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