effect of cationic monomer content on polyaluminium chloride

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high-concentration polyaluminum chloride: preparation and ...

High-concentration polyaluminum chloride: Preparation and ...

After the coagulation process with PAXXL1911 polyaluminium chloride, the high Pearson coefficient values were obtained for linear correlations between iron (III) and TOC and between iron (III) and UV 254 (), which may indicate that the iron (III) in water formed

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... on preparation of cationic flocculants by grafting binary ...

... on preparation of cationic flocculants by grafting binary ...

Polyacrylamide(PAM), often referred to as “polymer” or “flocculant”. It is a long chain, linear organic polymer made up of individual monomer units with the molecular formula of C3H5NO and molecular weights ranging from 3,000,000 to 30,000,000 Daltons. PAM is a ...

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guan qingqing | nanjing institute of technology, nanjing | ...

Guan QINGQING | Nanjing Institute of Technology, Nanjing | ...

In this study, sludge conditioned by single and dual flocculants was comprehensively investigated. polyaluminium chloride (PAC) was used as inorganic flocculant, whereas TP (cationic ...

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effect of polyaluminium chloride water treatment sludge on ...

Effect of polyaluminium chloride water treatment sludge on ...

Effect of polyaluminium chloride water treatment sludge on effluent quality of domestic wastewater treatment Irene Nansubuga1,3, Noble Banadda2*, Mohammed Babu3, Willy Verstraete1 and Tom Van de Wiele1 1LabMET, Faculty of Biosciences Engineering

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the safe use of cationic flocculants with reverse osmosis ...

The safe use of cationic flocculants with reverse osmosis ...

Polyaluminium chloride [PAC] Metals removal, oil and grease separation and water clarification Sodium aluminate Colour removal, phosphorus removal, lime softening, pH control and silica reduction Table 2 Common organic flocculants Product Description

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understanding synergistic mechanisms of silicate decorated ...

Understanding synergistic mechanisms of silicate decorated ...

The effect of cationic monomer structure on the aggregation behavior of AAPs was investigated. The aggregation of AAPs in aqueous solution showed pH and concentration dependence. Light scattering analysis showed that Poly (AA-co-MAPTAC) and Poly (AA-co-DMAPMA) were in the shape of coiled linear flexible chains with small particle size (R g 7.6 nm and 14.8 nm, respectively) near the pI.

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Does adding cationic polyelectrolyte to polyaluminium chloride improve separation efficiency?

As mentioned by Nandy et al. (Nandy et al., 2002), adding cationic polyelectrolyte to polyaluminium chloride (PAC) improved separation efficiency and made the flocs stronger than those created by simple salts.

Which polymer is used in polyaluminum chloride?

The most well known polymeric Al species in polyaluminum chloride (PACl) is the preformed Al 13 polymer which is obtained by the method of base-microinjection into AlCl 3 solution [6, 7].

What is polyaluminum chloride?

Polyaluminum chloride (PACl) is a common inorganic polymeric coagulant used in the water supply and wastewater treatment process , , , , , , . PACl is a dynamic intermediate product in the hydrolysis–aggregation–precipitation process of the Al ion. PACl is composed of several easily intertransformable Al species , , .

Why is polyaluminum chloride used as a catalyst?

Polyaluminum chloride (PAC) was used as a catalyst for the first time to synthesize bis (indolyl) methane compounds. PAC catalyst has the advantages of high efficiency, green, mild and recyclable. Al O polynuclear cations in PAC may have a synergistic catalytic effect.

Which reagent is used to prepare high-concentration polyaluminum chloride (PACL) products?

Using an instantaneous base-feeding method and a batch-feeding method, high-concentration polyaluminum chloride (PACl) products were prepared employing CaO as the basification reagent. The distribution and transformation of the Al species of PACl was explored for the first time over a broad total Al concentration (Al T) range.

Why is polyaluminum chloride a good coagulant for water treatment?

Polyaluminum chloride (PAC) is highly effective coagulant for water treatment over conventional coagulants because of low dosage requirement, shorter flocculation time, smaller amount of sludge, high efficiency and low aluminum residual in treated water .

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