CN101423259A - Preparation method of solid polymeric ...
The invention discloses a preparation method of solid polymeric aluminum ferric sulfate, which comprises the following steps: (1) preparing basic ferric sulfate from ferrous sulfate;...
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Polyferric sulfate (PAFS) – RIXIN
The preparation method comprises the following steps of: with ferrous sulfate heptahydrate as industrial waste of titanium white as a main raw material, adding water to dissolve and adding...
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Polymeric aluminum ferric sulfate (PAFS): Preparation and ...
Polymeric aluminum ferric sulfate (PAFS) was a novel inorganic composite coagulant, prepared by direct oxidation process using aluminum oxide (Al2O3) and ferrous sulfate heptahydrate (FeSO4·7H2O) as typical materials.
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Polyferric sulphate: Preparation, characterisation and appli ...
Polyferric sulfate(PFS) is a polyhydroxy, combination of multi-core, cationic polymeric inorganic flocculant. It can be quickly mixed with water at any ratio. The solution contains a large amount of ferric iron and ferrous iron-like (Fe2(OH)3)3+, (Fe3(OH)6)3+, (Fe8(OH)28)4+, which has a larger molecular weight than other inorganic coagulants.
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Poly Aluminium Chloride Solid PAC/PACL Powder/Granule|CAS ...
CAS No.:1327-41-9 EINECS No.:215-477-2 Chemical Formula:[AL2(OH)nCL6-n] Longwater® Polyaluminium Chloride(PAC/PACL) as a kind of high effective inorganic compound polymer coagulant or flocculant. Longwater® All the polyaluminium chloride is ...
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Polymer Ferric Sulfate Wastewater Treatment Chemicals | LONG ...
CAS No.: 10028-22-5 EINECS No.: 233-072-9 Molecular Formula: [Fe2(OH)n(SO4)3-n/2]m Polyferric Sulfate production process is the most advanced technology of spray drying method. Poly Ferric Sulfate Solid Powder is easy to be damp when it is exposed in the
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Fabrication of Polyaluminium Ferric Sulfate from Bauxite ...
1.Products Description Chemicals Product Polymeric Ferric Sulfate PFS Polyferric sulfate (PFS) is an inorganic polymer coagulant with superior performance. Its morphological properties are yellowish, amorphous, powdery solid, and it is easily soluble in water. 10% (mass) of aqueous solution is reddish-brown transparent solution with hygroscopicity.
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Polymeric ferric sulfate | Polymersco
Polymeric ferric sulfate (PFS) or poly iron, symbols and called hydroxyl ferric sulfate, is a new type of inorganic polymer flocculant, the hydrolysis can produce a variety of high-priced and multi-core ion, to electrical and water suspension colloid particles
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Light Yellow Poly Aluminium Chloride Potable Water Treatment ...
Item Solid PAC Index Appearance Powder Colour Light Yellow Production Process Spray Drying AL2O3,Aluminium Oxide ≥30% Basicity% 60-85 Water insoluble substances ≤0.1% PH value(1% polyaluminium water solution) 3.5-5.0 Iron Content(Fe) ≤0.03%
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Process for producing solid poly-ferric sulfate - Google ...
The process for producing poly-ferric sulfate solid from ferrous sulfate includes oxidation and polymerization reactions and features use of dry low-temp. production method at less than 150 deg.C and using dilute nitric acid as oxidant to obtain intermediate, mixing ...
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Polymer Ferric Sulfate Potable Water Treatment Chemicals | ...
Polyferric Sulfate/Sulphate(SPFS/PFS) Powder CAS 10028-22-5 Inorganic Ferric Salt Coagulant/Flocculant Potable & Drinking Water Treatment Chemicals Supplier Skip to content Monday – Friday 8 AM – 5 PM
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... a composite coagulant: Polymeric aluminum ferric sulfate ...
Our company was founded in 2002, Mainly engaged in polymer series products, it is a modern high-tech enterprise integrating R&D, production, sales and application services. At present, there are more than 100 kinds of research and development products, which
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Application of polyferric sulfate in the preparation of ...
It is a water-soluble inorganic polymer between AlCl3 and Al(OH)3, with a general chemical formula of [Al2(OH)nCl6-n]m, where m represents the degree of polymerization and n represents the neutrality of the PAC product. n=1~5 is a highly charged polymeric
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White Poly Aluminium Chloride Potable Water Treatment ...
CAS No.:1327-41-9 EINECS No.:215-477-2 Molecular Formula:【AL2(OH)nCL6-n】 White Poly Aluminium Chloride production process is the most advanced technology of spray drying method. PAC is easy to be damp when it is exposed in the air. Strong
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CN108483597B - Method for preparing solid polymeric ferric s ...
product obtained by the invention has larger alum floc and fast sedimentation; (3) ... compared with the existing production process of solid polymeric ferric sulfate, the invention does not need drying and heating equipment, thus saving the production ...
Get PriceCN101423259B - Method for preparing solid polymeric aluminum ...
The invention discloses a preparation method of solid polymeric ferroaluminum sulfate, comprising the following steps: (1) basic ferric sulfate is prepared from ferrous sulfate; (2) water, sulfuric acid and hydrogen peroxide are added into the basic ferric sulfate in ...
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Process for producing solid poly-ferric sulfate - Google ...
The present invention is characterized in that the solid polymeric ferric sulphate is produced by a dry method at the low temperature; dilute nitric acid is used as an oxidant, and an intermediate product is obtained at the temperature of below 150 DEG C; a
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Preparation and Application of Polyaluminum Ferric Sulfate f ...
to treat industrial wastewater. Compared with the traditional aluminum sulfate coagulant, it had the advantages of a lower dosage, no toxicity, and good floc sedimentation perform-ance.23 Gao et al. prepared a new coagulant of PAFSi with fly ash and pyrite slag to
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working principle of solid polymeric ferric sulfate products ...
working principle of solid polymeric ferric sulfate products polyaluminium Cationic polyacrylamide induced flocculation and turbulent dewatering of microalgae on a Britt Dynamic Drainage Jar Cationic polyacrylamide (CPAM) Percol PR8400 obtained from Chemiplas Australia Pty Ltd. was used as flocculant.
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... of synthesis structures and flocculation stability of a ...
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Get PriceWhat is polymeric aluminum ferric sulfate (PAFs)?
View the article online for updates and enhancements. Abstract. Polymeric aluminum ferric sulfate (PAFS) was a novel inorganic composite coagulant, prepared by direct oxidation process using aluminum oxide (Al2O3) and ferrous sulfate heptahydrate (FeSO4·7H2O) as typical materials.
Is polymeric aluminum ferric sulfate a good coagulant?
Furthermore, Polymeric aluminum ferric sulfate (PAFS) as a novel inorganic composite coagulant can obviously speed up the sedimentation rate, decrease costs, color and toxins, which was superior to PAC, PFS and PFSS.
Which coagulant is prepared by polymeric aluminum ferric sulfate (PAFs)?
Therefore, many Al–Fe composite coagulants have been prepared such as Polymeric Aluminum Ferric Sulfate (PAFS), Polymeric Aluminum Ferric Chloride (PAFC) etc. Polymeric Ferric Sulfate (PFS) is a pre-hydrolyzed coagulant, prepared by partially neutralization of ferric sulfate.
What is polyaluminum sulfate (PAFs)?
In this investigation, polyaluminum sulfate (PAFS), an inorganic flocculant, was synthesized using municipal solid waste incineration (MSWI) fly ash. The morphology and structure of PAFS were characterized using x-ray diffraction and Fourier-transform infrared spectroscopy (FTIR).
Why is sulfuric acid used in oxidation of ferrous sulfate?
That mainly because oxidation reaction of ferrous sulfate was conducted in acid condition, a certain dosage of sulfuric acid is advantageous to the reaction, which could improve the ability of flocculation. The optimum SO42-/Fe molar ratio was 0.35, and the turbidity and HA removal efficiency reached 95.6%, 90.4%, respectively. Figure 2.
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