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GENERAL INFORMATION
Closed loop glycol and amine
systems pick up solids, oils, dissolved hydrocarbons and well
inhibitors from the natural gas stream, fouling the fluids and
causing a loss in operating efficiency. Sludge buildup, foaming and
contaminate discoloration can account for the loss of glycol to the
gas stream or total shut down of the dehydration or sweetening
process. A cartridge type fiber filter will remove the solids
contaminant, but a charcoal bed is required to remove oils,
dissolved hydrocarbons, well inhibitors and degradation compounds
form the glycol or amine systems.
The Nowata Filtration activated carbon adsorber, canister
type filter is designed to purify glycol and amine streams which
minimizes fouling to keep the operating efficiency high. Canister
type carbon cartridges are the most economical type of activated
carbon absorbers for flow rates up to 1.5 gallons per minute. The
canister makes charcoal replacement much easier and cleaner than
loose charcoal beds. Canisters keep the operator from handling the
messy charcoal. Contaminated spent charcoal is difficult to dispose
of unless it is contained in a canister. Nowata Filtration offers
one and two canister housings. Each canister contains 34 pounds of
granulated charcoal and is rated for 1.5 gallons per minute of flow.
In a typical 400 gallon glycol dehydration system a single canister
will usually last between 8 to 10 weeks. The glycol should be
checked regularly for foaming or discoloration which indicates it is
time to change the canister. Unlike fibrous filter cartridges for
the removal of solids, a charcoal adsorber canister will not necessarily
experience an increase in pressure differential across the
unit.
Nowata also offers high flow / high pressure charcoal
housings that hold up to 14 canisters.
See the HIGH FLOW "C" Series for description of
high flow rate adsorbers.
Download
the 1+2 Canister Charcoal Adsorber Data Sheet Pdf (119 KB)
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