| 摘要 |
<p>New flocculant for the treatment of waste water comprising the mixture of a flocculant reagent (1) containing between 5 % and 70 % of calcium hydroxide, a compensation agent (2) consisting of calcium sulfate in a proportion varying between 10 % and 40 %, a flocculant (3) comprised of aluminium sulfate in a proportion between 15 % and 60 %, a pH regulator (4) consisting of 15 % to 40 % of alkali sodium carbonate, a clarifying absorbent (5) consisting of 10 % to 70 % of dolomite or zeolite, a flocculating and precipitating absorbent (6) consisting of 0 % to 40 % of cement, and a polyelectrolyte coagulant (7) consisting of 0 % to 10 % of zetag independently of its anionic or cationic property, with the optional addition of powder of ferretic steel, magnetic iron or iron powder in a proportion which can vary between 5 % and 40 %, said proportion varying according to the characteristics of the water to be treated.</p> |
