03 02 Waste from wood treatment with preservatives (protective substances)

Deep impregnation and protective treatment of sawn timber with special solutions generate specific by-products, which are classified under code 03 02 Waste from wood treatment with preservatives (protective substances).

This category includes residues of impregnation solutions, spent process liquids, and sediments from soaking tanks.

Wood preservatives (protective substances) that are considered safe and do not contain toxic heavy metals or aggressive carcinogenic compounds (such as heavy metal compounds) nevertheless require careful handling due to the specific chemical composition of the impregnating agents.

Production facilities are required to follow clear rules for separate collection and sealed storage to prevent process liquids from leaking into the soil or municipal sewage system.

Despite the safety of the protective substances, liquid residues and wooden materials saturated with them must not be disposed of indiscriminately at ordinary landfills or burned in conventional household stoves.

Enterprises are required to maintain primary records of such residues and transfer them to specialized operators holding the relevant permits for their processing or neutralization.

The most rational approach to managing these wastes is controlled treatment in accordance with the environmental standards of a circular economy. Depending on their physical state and the degree of impregnation with preservatives, such wastes may be sent to specialized thermal treatment facilities with energy recovery or undergo biological neutralization.

This enables enterprises in the woodworking industry to minimize their environmental impact and comply with the applicable environmental legislation of Ukraine.