GB/T 38753-2020Liquefied natural gas (English PDF)

1 Scope

This Standard specifies the mass, test methods, inspection rules, and storage and shipment requirements of liquefied natural gas. This Standard applies to commercial liquefied natural gas.

2 Normative references

The following documents are indispensable for the application of this document.

For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 11060.1, Natural gas - Determination of sulfur compound - Part 1: Determination of hydrogen sulfide content by iodometric titration method

GB/T 11060.3, Natural gas - Determination of sulfur compound - Part 3: Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method

GB/T 11060.4, Natural gas - Determination of sulfur compound - Part 4: Determination of total sulfur content by oxidative microcoulometry method

GB/T 11060.5, Natural gas - Determination of sulfur compound - Part 5: Determination of total sulfur content by hydrogenolysis and rateometric colorimetry method

GB/T 11060.8, Natural gas - Determination of sulfur compound - Part 8: Determination of total sulfur content by Ultraviolet fluorescence method

GB/T 11060.10, Natural gas - Determination of sulfur compounds - Part 10: Determination of sulfur compounds using gas chromatography method

GB/T 11062, Natural gas - Calculation of calorific values, density, relative density and Wobbe index

GB/T 13610, Analysis of natural gas composition - Gas chromatography

GB/T 20368, Production, storage and handling of liquefied natural gas (LNG)

4 Test methods and inspection rules

4.3 The calculation of the high calorific value of liquefied natural gas shall be carried out in accordance with GB/T 11062.

4.4 The determination of total sulfur content in liquefied natural gas shall be carried out according to GB/T 11060.4, GB/T 11060.5, GB/T 11060.8 or GB/T 11060.10; the arbitration test shall be subject to GB/T 11060.8.

4.5 The determination of hydrogen sulfide content in liquefied natural gas shall be carried out according to GB/T 11060.1, GB/T 11060.3 or GB/T 11060.10; the arbitration test shall be subject to GB/T 11060.1.

5 Storage and shipment

5.1 The storage and shipment of liquefied natural gas shall be implemented in accordance with GB/T 20368.

5.2 When conditions are available, barren and rich liquids shall be stored in separate tanks.

5.3 For liquefied natural gas other than those specified in this Standard, under the premise of meeting the relevant national safety, environmental protection and sanitation standards, the supplier and the buyer can use contracts to agree on their specific requirements. […]