PBA ordered to clean up alum sludge released into Perai river | Free Malaysia Today (FMT)

[Free Malaysia Today (FMT) News; May 20, 2021]

https://www.freemalaysiatoday.com/category/nation/2021/05/20/pba-ordered-to-clean-up-alum-sludge-released-into-perai-river/

Alarm over ‘alum sludge’ from water treatment plant (Predeep NAMBIAR, FMT News; May 7, 2021)

https://www.freemalaysiatoday.com/category/nation/2021/05/07/alarm-over-alum-sludge-from-water-treatment-plant/

Selected Research Articles:

Potential Alternative Reuse Pathways for Water Treatment Residuals: Remaining Barriers and Questions (TURNER et al., 2019)

https://link.springer.com/article/10.1007/s11270-019-4272-0

Evaluation of heavy metals in surface water of major rivers in Penang, Malaysia (ALSAFFAR et al., 2016)

https://www.researchgate.net/publication/327824345_Evaluation_of_heavy_metals_in_surface_water_of_major_rivers_in_Penang_Malaysia

A review on alum sludge reuse with special reference to agricultural applications and future challenges (DASSANAYAKE et al., 2015)

https://www.academia.edu/download/48368546/A_review_on_alum_sludge_reuse_with_speci20160827-31101-d4babr.pdf