Primary and ultimate biodegradabilities of mineral base oils and their relationships with oil viscosity

被引：13

作者：

Haus, F

Boissel, O

Junter, GA ^{[1
]}

机构：

[1] Univ Rouen, CNRS, UMR 6522, Lab Polymeres Biopolymeres Membranes, F-76821 Mont St Aignan, France

[2] Exxon Mobil European Technol Ctr, F-76330 Notre Dame De Gravenchon, France

来源：

INTERNATIONAL BIODETERIORATION & BIODEGRADATION | 2004年 / 54卷 / 2-3期

关键词：

biodegradability; CEC-L-33-A-93; test; modified sturm test; lubricant; mineral oil; viscosity;

D O I：

10.1016/j.ibiod.2004.03.015

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

We have determined the primary and ultimate biodegradabilities of a series of paraffinic base oils representative of the main classes that are used for the production of lubricating oils, such as engine, industrial, and marine oils. Primary and ultimate biodegrability (B) data were determined using the CEC test and the modified Sturm test (OECD 301 B), respectively. There was a strong relationship between the two B values. For a given oil, biodegradation in the modified Sturm test was logically lower than that given by the CEC test. The B values of mineral oils were compared to oil (kinematic) viscosities (KV) known to affect significantly oil biodegradability. Both ultimate and primary B values were linearly related to log(KV). (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：189 / 192

页数：4

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