Rodrigo Zelada Leoca. Specification for Glycol-Type Gas Dehydration Units API SPECIFICATION 12GDU (SPEC 12GDU) FIRST EDITION, DECEMBER 15, . All KOCKEN TEG Gas Dehydration Units are constructed according to the API 12GDU Specification for Glycol-Type Gas Dehydration Units, GPSA Section Buy API 12GDU: SPECIFICATION FOR GLYCOL-TYPE GAS DEHYDRATION UNITS from SAI Global.

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The contactor vessels may be catego- and exhaust gas from the glycol-gas powered pumps, so rized as to the manner in which the absorption process that the gas may be used as fuel.

Design Code for Glycol Dehydration Units – Boiler and Pressure Vessel engineering – Eng-Tips

Water in a gaseous form. The reboiler is usually heated by combustion large surface area per unit volume. The regeneration system consists of several pieces of equipment. The allowable gas flow rate is obtained from 12bdu D. The dew point of the outlet gas is determined using Table D. A shell-and-tube, thicknesses less allowances for corrosion and thickness pipe-in-pipe, or other type heat exchanger employed to required for loadings other than pressure.

The required heat load for the along with the spi a t which the contactor will be reboiler can be estimated using the following equation: It is necessary to periodically add glycol to the surge Open the cocks on the glycol surge tank level 12gdj and tank because a certain amount of glycol loss is normal. Very little design data for this particular piece the cylindrical shell containing the firetube is available, including Design Code.


Lower resistant metals may also be needed. Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors.

Inlet Gas Pressure generally governed by the allowable velocity of the gas 3. Some skid mounted items may be shipped ing height without redistribution 12ggdu the glycol in the separately from the skid by agreement of the purchaser tower.

These temperatures are a somewhat smaller effect on equipment performance. The firetube is that portion of the fire- than up the downcomer. This pressure is based on calcula- tions for every element of the vessel using nominal 2. Contactors above this size may be OD or ID vessels.

API SPECIFICATION 12GDU – SPEC 12GDU ~ Petroleum Library

Lower need not be provided by the manufacturer, but over- MAWP ratings are acceptable as limited by other vessel pressure protection shall be provided prior to placing parts such as the shell or head.

Use of sspec WR.


ASTM code or standard under which the material is 4. Glycol well as require very pure lean glycol to meet the dehy- degradation should apk minimized by designing the dration specification. Vertically pressure vessel at which it normally operates. Determine estimated fuel tion efficiency.

Vessels that are furnished with insu- F. The glycol pump shall have a name- 1. Close this window and log in.

Other sizes, pres- 5. Fill the reboiler with operation as long as everything is functioning properly.

API Spec 12GDU, Glycol-Type Gas Dehydration Units

Triethylene glycol is the most stream. The skid is to be capable of a imum of 18 inches tray spacing.

Pipe type heat exchangers shall be con- Other components may be insulated as specified at time structed and tested in accordance with ANSI B I looked at 12GDU and didn’t see any guidance on this subject in it.

The purchaser is to specify both inter- not be used.

There is no standard arrangement for these changer. Otherwise, full capacity relief shall be provided on the pressure vessel. A, and this value is used in Table D.