Method for treating naphthenic acid sewage by flocculation-electricity heterogeneous catalysis
A heterogeneous catalysis, naphthenic acid technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. , the effect is not ideal and other problems, to achieve the effect of low operating cost, easy operation and simple dosing
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Embodiment 1
[0026] Effect of Polyaluminum Chloride on Naphthenic Acid Wastewater Treatment I
[0027] Treatment of naphthenic acid wastewater with polyaluminum chloride and anionic polyacrylamide. COD Cr The water quality chemical oxygen demand was determined by the dichromate method (GB11914-89) for analysis, the same below.
[0028] Raw water COD Cr : 1952.6mg / L, pH: 6, the flocculation results are shown in Table 1.
[0029] aggregation
[0030] * The molecular weight of the coagulant used is above 14 million
Embodiment 2
[0032] Effect of Polyaluminum Chloride on Naphthenic Acid Wastewater Treatment II
[0033] Treatment of naphthenic acid wastewater with polyaluminum chloride and cationic polyacrylamide.
[0034] Raw water COD Cr : 1952.6mg / L, pH: 6, the experimental results are shown in Table 2.
[0035] aggregation
[0036] * The molecular weight of the coagulant used is about 5 million
Embodiment 3
[0038] Effect of Polymerized Ferric Sulfate on Naphthenic Acid Wastewater Treatment I
[0039] Naphthenic acid wastewater was treated with polyferric sulfate and anionic polyacrylamide.
[0040] Raw water COD Cr : 1860.1mg / L, pH: 6, the reaction results are shown in Table 3.
[0041] aggregation
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