hat
Atra tretman ajan yo: malere atra montre dlo si sispansyon, sèvi ak tankou flocculant ki pi apwopwiye, especiallly ki te itilize ak nòganik flocculant a, efè tretman dlo pi bon kalite,
eng
Sewage treatment agents:when sewage shows acidic suspension,use as flocculant for most appropriate,especiallly used with the inorganic flocculant,the effect of water treatment is best;