Examensarbete, avancerad nivå · Uppsala universitet
… mercury, lead, copper, nickel and zinc through sweep floc coagulation and hydroxide precipitation. After the laboratory tests the precipitation was tested in the treatment plant with higher pH and coagulant. Also the process control for sodium hydroxide was examined. The …
rensning av stopp samt uppsamling och attityder
Masteruppsats · SLU
… have been tested for that reason. The most efficient chemicals were sodium hydroxide, hydrochlorid acid and an industrial cleaning agent containing phosphoric acid. Sodium hydroxide was the most efficient of the studied chemicals. It reduced the precipitation by 80 to 100%, but …
