The role of sodium carbonate in PAM coagulation-flocculation for oil acidized wastewater treatment

The pH value of oil acidized wastewater is relatively low (pH = 6.1), which seriously affects the flocculation of polyacrylamide (PAM). NaOH was used to adjust the pH value, but the maximum was only 7.5. The regulation was limited as the Ca in aqueous phase up to 1,350 mg L consumed OH . A novel for...

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Veröffentlicht in:	Water science and technology 2018-06, Vol.77 (11-12), p.2677-2686
Hauptverfasser:	Qin, Jinyi, Wang, Hainan, Qin, Chuan, Meng, Hailong, Qu, Wengang, Qian, Hui
Format:	Artikel
Sprache:	eng
Schlagworte:	Abandoned mines Additives Calcium carbonate Calcium ions Carbonates Chloride Coagulants Coagulation Composition Experiments Fatty acids Flocculation Oil Oil recovery Petroleum pH effects Polymers Sedimentation Sewage Sewage sludge Sludge Sodium Sodium carbonate Sodium hydroxide Soil contamination Wastewater Wastewater treatment Water treatment
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