2 Natural Coagulates for Wastewater Treatment …
23
Table 2.1
(continued)
Coagulant type
Wastewater type
Coagulant dosage Treatment efficiency in terms of
parameter removal (%)
Reference
Aluminium chloride
Metalworking wastewater
50–1000 mg/L
COD (48–96%), TOC (38–80%) Demirbas and Kobya (2017)
Polyaluminum chloride
textile wastewater
30 mg/L
COD (44.75%) BOD
5 (44.42%)
TS (72.27%) TSS (68.53%) Dye
(45.80%)
Bazrafshan et al. (2016)
Polymeric aluminum ferric
silicate
High-oil-containing wastewater 60–120 mg/L
COD (98.2%), Oil (98.4%)
Sun et al. (2017)
Poly-aluminum chloride
Landfill leachate
400 mg/L
BOD5 (67.5%), COD (69.3%),
Total Kjeldahl nitrogen (63.6%),
Total phosphorus (73.1%), TSS
(81.3%)
Balarak et al. (2018)