ISO 3734-1997
石油产品 燃料油中水和沉积物的测定 离心法

Petroleum products - Determination of water and sediment in residual fuel oils - Centrifuge method


 

 

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标准号
ISO 3734-1997
发布日期
1997-08
实施日期
废止日期
中国标准分类号
E30
国际标准分类号
75.160.20
发布单位
IX-ISO
适用范围
This International Standard specifies a method for the laboratory determination of the sum of water and sediment in residual fuel oils using the centrifuge method. With some oils it is difficult to obtain water or sediment contents using this method. When this situation is encountered, ISO 3733 and ISO 3735 should be used. NOTE — It has been observed that centrifugal methods of determination of water and sediment may, in many cases, give erroneous results. This is especially so when use of a high-speed mixer has been employed to obtain a representative sample. The method is therefore not entirely satisfactory and the amount of water determined is almost always lower than the actual water content. Significant quantities of water and sediment can cause operational problems in handling equipment and in engines and burners, particularly when the water present contains mineral salts. Design of residual fuel oil treatment facilities, such as filters or centrifuges, is based on a maximum quantity of material to be removed before combustion. Residual fuel oils destined for further refinery processing also require low levels of water and sediment to minimize corrosion problems.

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