Sound method...
...of cleansing the membranes used in filtration of polluted water
Waste Mismanagement: An open secret
Why ozonization to treat drinking water can be dangerous
A brush of hair
Can help treat oily wastewater
Sweet treatment
A cheaper method uses glucose and enzymes to filter water
Nano arsenic mop
Alumina nanoparticles can better adsorb the heavy metal
Wasting no water
Industries in Bangalore to get recycled water
Clean option
Lemony clean water
Lime juice, sunlight can purify water in 30 minutes
MEXICO
Safety measure
Delhi's sewage
Aerobics for Yamuna?
Activated carbon removes pesticide
Clean-up act
Clean with coir
Biofilter for domestic wastewater
For pure water
Halogen wars
Water purifier makers in court over advertisement
Oilfree, naturally
Biosurfactants from bacteria help filter wastewater
Big Ben
Bioremedy for arsenic menace
Leafy solution
Foliage helps check fluorosis
Electric barrier
Water purifier that kills 98 per cent bacteria, fast
Australian town says no to drinking recycled sewage