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Ferric Chloride

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1. Ferric chloride descriprion:
ferric chloride ,also called iron(iii) chloride,the coagulant of choice for many industrial and sanitary wastewater treatment applications, due to its high efficiency, effectiveness in clarification, and utility as a sludge dewatering agent. The chemical leaves slight residual color, and offers very good turbidity removal.

2. . Application of ferric chloride
ferric chloride liquid precipitate absorbs suspended particles (clay, organic matter, etc) flocculates and carries the absorbed particles to the bottom. It also removes sulphides and silica.
ferric chloride increase the rate of settling of sludge in sewage by the process of hydrolysis forming ferric hydroxide which acts as a coagulant.
generally industrial effluents are either acidic or alkaline and the treatment of such effluents is usually a costly and cumbersome multi-stage operation requiring a number of chemicals. Ferric chloride anhydrous because of its flocculating and deodorizing properties, can be used directly in a single stage operation replacing the traditional cumbersome process.

3. Anhydrous ferric chloride can be used:
as an etching agent for photo engraving and printed circuitry.
to produce decorative surface effects on ceramics.
in the manufacture of glycerin.
as a catalyst, mordant, oxidizing, chlorination and condensing agent.
as a disinfectant, pigment and cattle feed-additive.

4. Ferric chloride quality index:

classy article

grade a

conforming product

(Feso4·7h2o)/% ≥

97. 0

94. 0

90. 0

(Tio2)/% ≤

0. 5

0. 5

0. 75

Water insolubles/% ≤

0. 5

0. 5

0. 75

5. Ferric chloride identification:

Cas no.

7705-08-0

Enecs no.

231-729-4

Formula

fecl3

Mol wt.

162. 24

Hs code

2827. 39. 5500

Toxicity

oral, rat: ld50: 450 mg/kg

Smiles

[fe](cl)(cl)cl

Classification

water treatment, metal surface treatment, catalyst,

Stability

stable under ordinary conditions of use and storage

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