drinking water treatment chemicals/pac-polyaluminum in brazil

drinking water treatment chemicals/pac-polyaluminum in brazil
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  • Does polyaluminium chloride affect microbial community in urban river sediments?
  • Polyaluminium chloride (PAC) has been widely used as a chemical coagulant in water treatment. However, little is known about the impact of PAC performance on the microbial community in sediments. In this study, the archaeal, bacterial, and fungal communities in urban river sediments with and without PAC treatment were investigated.
  • Is polyaluminum chloride a coagulant?
  • Inorganic coagulants such as polyaluminum chloride (PAC) have been used for years to treat water and wastewater. However, PAC as a coagulant can harm the living environment as it is toxic to humans and aquatic ecosystems. The use of natural and biocompatible materials such as sodium alginate as coagulant-aid can reduce the use of PAC.
  • Does coagulant polyaluminium chloride improve water quality in eutrophic shallow lakes?
  • The aim of this study was to evaluate the performance of the coagulant Polyaluminium chloride (PAC) in water quality improvement of six eutrophic shallow lakes in Brazilian semiarid region. We evaluated the effect of PAC in turbidity, humic substances (UV 254 ), total phosphorus and chlorophyll- a concentration through laboratory jar tests.
  • Does PAC coagulant reduce turbidity of urban river water?
  • As a chemical coagulant, PAC exhibited high efficiency in removing particles and reducing the turbidity of urban river water, with a maximum efficiency of 98%. After the addition of PAC coagulant, the TDS, salinity, and residual metals in the sediment increased in an obvious manner.