Assessment of Chemical Oxygen Demand/Total Organic Carbon (COD/TOC) ratios in refinery effluents

Sep 15, 2022

Report no. 16/22: Chemical Oxygen Demand (COD) analysis is one of the most commonly used analytical methods to indirectly measure organic pollutants in effluent waters. The standard COD methods use potassium dichromate which is restricted under the REACH regulation....

A review of toxicity testing conducted on European refinery effluents in 2010, 2013, 2016, and 2019

Jul 15, 2022

Report no. 13/22: This report provides an assessment of the extent to which toxicity testing is carried on European refinery effluents, and the types of tests being used. The analysis is based on responses given to Concawe water use and effluent quality surveys...

Effects based methods (EBMs) in combination with passive sampling of refinery streams

Jul 8, 2022

Report no. 11/22: This report provides an overview of spot and passive sampling data of three refinery effluents after treatment that were collected for chemical and ecotoxicological effluent assessment. The report includes a discussion of the relationships between...

Petroleum refinery effluent contribution to chemical mixture toxic pressure in the environment

May 16, 2022

Report no. 7/22: Petroleum refinery effluents (PRE) are wastewaters from industries associated with oil refining. Within EU, PREs are regulated through local discharge permits and receive significant treatment before emission. After treatment, PREs can still contain...

User Manual for Concawe LNAPL Toolbox

Apr 21, 2022

Report no. 5/22: LNAPL stands for “Light Non-Aqueous Phase Liquids” or hydrocarbons that exist as a separate undissolved phase in the subsurface at some sites with legacy releases of fuels. They are referred to as “Light” because most petroleum hydrocarbons are less...