Page 85 - APICAL_SR2023

Materiality
Assessment Appendix 1: Appendix 2: Appendix 3:
Climate Green Inclusive and Stakeholder GRI Content Assurance Glossary of
Action Innovation Progress Engagement Index Statement Terms

Apical prioritises responsible wastewater management. standards before discharge, minimising potential
Three of our refineries (AAJ Tj Balai, KRN, and AAJ impact on receiving water bodies and in refineries
Marunda) has achieved zero to minimal wastewater located near rivers, we actively monitor river water
discharge by treating and reusing wastewater for quality to safeguard against any operational influence.
cooling towers, fire hydrants and domestic cleaning. Additionally, SDO (M), AAJ Marunda, PRC and BOH
This eliminates the majority of effluent discharge to are using aerobic treatment in their WWTP, which
the external environment, resulting in zero impact helps in the minimisation of GHG emissions from the
on surrounding ecosystems. Additionally, all our wastewater treatment.
operations across Indonesia, China and Spain are
monitoring and treating the effluent before discharging Furthermore, SDO (M) refinery has implemented a
to environment. reverse osmosis system, a significant advancement in
wastewater management. This initiative is expected
For other refineries, we employ the activated sludge to reduce SDO (M)'s monthly water usage by 30%.
process, a biological treatment method utilising This technology allows for even greater water reuse,
microorganisms and chemicals like coagulants, reducing freshwater withdrawal and promoting
flocculants, caustic soda and biocide. This process environmental sustainability.
ensures treated wastewater meets local regulatory

84 SUSTAINABILITY REPORT 2023 APICAL GROUP 85