Perera D. T. RWeerasiri ,K. C2025-09-232025-09-232025-05https://dr.ichemc.ac.lk/handle/123456789/462Page 77 Abstract No: 2025_338About 20% of the global water pollution caused by the apparel and textile industry is linked to textile dyeing. Chemical dyes used in the production of clothing are often discarded into rivers without proper treatment.enGreen synthesisMurraya koenigiiphotocatalytic activitymethylene blueZnO nanoparticlesGreen synthesis of ZnO nanoparticles using the stem of Murraya koenigii and investigation of their photocatalytic activityArticle