Ceramic particles for use as a filtering media in water treatment; Chemical preparations for use in soil remediation, drinking water treatment, municipal and industrial wastewater treatment; Chemical products for preventing scale; Chemicals for use in purification of water; Chemicals for the treatment of water and wastewater; Ion-exchange resin membranes; Ion-exchange resins; Mineral substances in the nature of sorbents; Phosphates for potable water treatment; Water treatment minerals for use in swimming pools and spas

'ceram':1 'chemic':12,27,32,39 'drink':19 'exchang':49,54 'filter':7 'industri':24 'ion':48,53 'ion-exchang':47,52 'media':8 'membran':51 'miner':56,70 'municip':22 'natur':60 'particl':2 'phosphat':63 'pool':75 'potabl':65 'prepar':13 'prevent':30 'product':28 'purif':36 'remedi':18 'resin':50,55 'scale':31 'soil':17 'sorbent':62 'spas':77 'substanc':57 'swim':74 'treatment':11,21,26,42,67,69 'use':4,15,34,72 'wastewat':25,46 'water':10,20,38,44,66,68

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