Dewatering - Hongding Chem Chemical Reagents Thu, 03 Jul 2025 08:27:32 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 246622208 Aluminium Sulfate https://hongdingintl.com/products/aluminium-sulfate/ Wed, 07 May 2025 07:27:15 +0000 http://www.hongdings.com/?post_type=product&p=2940 Aluminum Sulfate, soluble in water, acids, and bases, insoluble in alcohols. It forms acidic aqueous solutions, hydrolyzes to produce aluminum hydroxide. Mainly used as flocculant in water Treatment, precipitation agent & sizing agent in papermaking, decolorizer & deodorizer in petroleum...

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]]> Product Name: Aluminium Sulfate
CAS No: 10043-01-3
Einecs No: 233-135-0
HS Code: 2833220000
Formula: Al2(SO4)3
Grade Standard: Food Grade, Tech Grade
Appearance:
Class I: white flakes, lumps, granules or powder;
Class II: gray or yellow flakes, lumps, granules or powder.
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Papermaking: Precipitation agent & sizing agent
Water Treatment: Flocculant
Fire Safety: Foam stabilizer (fire extinguishers)
Chemical Production: Raw material for alum & aluminum white
Petroleum: Decolorizer & deodorizer
Edible Oils: Clarifying agent
Pharmaceuticals: Drug precursor
Other Uses: Leather tanning, synthetic gemstones, high-purity ammonium alum

Specification:

Item Standard
Class I Class II
Aluminum oxide (Al2O3) ω/% ≥ 16 ≥ 15.8
Iron (Fe) ω/% ≤ 0.005 ≤ 0.3
Water insoluble matter ω/% ≤ 0.1 ≤ 0.1
pH ≥ 3 ≥ 3

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]]> 2940 Sodium Carbonate (Soda Ash) https://hongdingintl.com/products/sodium-carbonate/ Tue, 06 Aug 2024 02:44:05 +0000 http://www.hongdings.com/product/dnk-black-shoes/ Soda ash is a basic materials of chemical industry, widely used in glass, chemical industry, pharmaceutical industry, metallurgy, pulping, papermaking, printing and dyeing, synthetic detergent, petrochemical, pharmaceutical, food and other industries. Can be used as medical treatment of excessive stomach acid, and starter in food industry.

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]]> CAS No: 497-19-8
Einecs No: 207-838-8
HS Code: 2836200000
Molecular Formula: Na2CO3
Molecular Weight: 105.99
Grade Standard: TECH GRADE 99%MIN
Appearance: White crystalline powder
Appearance: Fine white particles
Packaging Details: 25,40,50,1000KG,1200KG BAG

Application:
Widely used in glass, chemical industry, pharmaceutical industry, metallurgy, pulping, papermaking, printing and dyeing, synthetic detergent, petrochemical, pharmaceutical, food and other industries. Can be used as medical treatment of excessive stomach acid, and starter in food industry.

Specification

Item Range Standard
Soda ash dense Soda ash light
Total alkalinity (dry basis) ω/% ≥ 99.2 99.2
Total alkalinity (wet basis) ω/% ≥ 97.9 97.9
Sodium chloride (NaCl, dry basis) ω/% ≤ 0.7 0.7
Iron (Fe, dry basis) ω/% ≤ 0.0035 0.0035
Water insoluble matter ω/% ≤ 0.03 0.03
Bulk density/(g/ml) ≥ 0.9 /
Particle size (180μm sieve residue) ω/% ≥ 70 /

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]]> 1215 Ferric Chloride https://hongdingintl.com/products/ferric-chloride/ Tue, 06 Aug 2024 02:44:04 +0000 http://www.hongdings.com/product/dark-brown-jeans/ Ferric chloride is an important iron salt. When dissolved in water, it releases a large amount of heat, forming a coffee-colored or brownish-yellow acidic solution. From this solution, hexahydrate ferric chloride with crystalline water can be precipitated. It is widely used in wastewater treatment (flocculant), metal etching, catalytic processes, oxidation reactions, mordant applications, pharmaceutical manufacturing...

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]]> Product Name: Ferric Chloride
CAS No: 7705-08-0
Einecs No: 231-729-4
HS Code: 2827399000
Formula: FeCl3; FeCl3·6H2O
Grade Standard: Tech Grade
Appearance:
Liquid : Reddish brown liquid;
Solid : Brown crystal (FeCL3); Yellowish brown crystal (FeCl3·6H2O).
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Widely used in wastewater treatment (flocculant), metal etching, catalytic processes, oxidation reactions, mordant applications, pharmaceutical manufacturing…

Specification:

Item Range Unit Standard
Liquid Solid (FeCl3·6H2O)
Iron (Fe3+) ≥ ω/% 14 20
Ferrous (Fe2+) ≤ ω/% 0.1 0.15
Water insoluble matter ≤ ω/% 0.5 1
Free acid (as HCl) ≤ ω/% 0.4 0.8
Density @ 20°C ≥ g/cm3 1.4 –
Zinc (Zn) ≤ ω/% 0.0005
Arsenic (As) ≤ ω/% 0.0002
Lead (Pb) ≤ ω/% 0.0005
Mercury (Hg) ≤ ω/% 0.00001
Cadmium (Cd) ≤ ω/% 0.0001
Chromium (Cr) ≤ ω/% 0.0008

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]]> 1211 Polyaluminium Chloride (PAC) https://hongdingintl.com/products/polyaluminium-chloride-pac/ Tue, 06 Aug 2024 02:44:04 +0000 http://www.hongdings.com/product/dnk-blue-sport-shoes-2/ Polyaluminium Chloride (PAC) is widely used in drinking water treatment, urban sewage treatment and various industrial wastewater treatment. It can also be used in paper sizing, casting molding, pharmaceutical refining, cosmetic manufacturing, catalyst carrier, sludge dewatering, rapid setting of cement, anti-wrinkle treatment of fabrics, sugar solution, glycerin refining and other aspects.

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]]> Product Name: Polyaluminium Chloride (PAC)
CAS No: 1327-41-9
Einecs No: 215-477-2
HS Code: 2827320000
Formula: Aln(OH)mCl(3n-m) 0＜m＜3n
Grade Standard: Food Grade, Tech Grade
Appearance:
Liquid: Colorless to yellow or yellow-brown liquid
Solid: White to yellow or yellow-brown granules or powder
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Polyaluminium Chloride (PAC) is widely used in drinking water treatment, urban sewage treatment and various industrial wastewater treatment. It can also be used in paper sizing, casting molding, pharmaceutical refining, cosmetic manufacturing, catalyst carrier, sludge dewatering, rapid setting of cement, anti-wrinkle treatment of fabrics, sugar solution, glycerin refining and other aspects.

Specification:

Item Range Unit Standard
Liquid Solid
Aluminum oxide (Al2O3) ≥ ω/% 8 28
Salinity ≥ ω/% 20-98 –
Density (20°C) ≥ g/cm3 1.12 –
Water insoluble ≤ ω/% 0.4 –
pH (10g/L solution) – – 3.5-5.0 –
Iron (Fe) ≤ ω/% 1.5 –
Ammonia (as N) ≤ ω/% 0.05 –
Arsenic (As) ≤ ω/% 0.0005 –
Lead (Pb) ≤ ω/% 0.002 –
Cadmium (Cd) ≤ ω/% 0.0005 –
Mercury (Hg) ≤ ω/% 0.00005 –
Chromium (Cr) ≤ ω/% 0.005 –

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]]> 1212 Polyacrylamide (PAM) https://hongdingintl.com/products/polyacrylamide-pam/ Tue, 06 Aug 2024 02:44:03 +0000 http://www.hongdings.com/product/denim-blue-jeans/ Polyacrylamide is an important water-soluble polymer and possesses valuable properties such as flocculation, thickening, shear resistance, drag reduction and dispersion. It is widely used in municipal sludge treatment, industrial wastewater treatment, coal, paper making, petroleum, metallurgy, dyeing, pharmaceuticals, tanning...

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]]> Product Name: Polyacrylamide (PAM)
CAS No: 9003-05-8
Einecs No: 231-545-4
HS Code: 3906901000
Formula: (C3H5NO)n
Grade Standard: Food Grade, Tech Grade
Appearance: White to yellowish powder.
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Cationic PAM is used for municipal sludge treatment, industrial wastewater treatment, paper making and other fields;
Anionic PAM is applied in petroleum, metallurgy, electric power, chemical industry, coal, papermaking, printing and dyeing, tanning, pharmaceuticals, food etc.
Nonionic PAM is used in mineral processing (lead, zinc, copper ores…), metal smelting effluent treatment, industrial wastewater clarification.

Specification:

Item Range Unit Standard
Anionic Non-ionic Cationic
Solid content (solids) ≥ ω/% 90 90 88
Acrylamide monomer content (dry basis) ≤ ω/% 0.02 0.02 0.1
Dissolution time (g/L) ≤ min 60 90 60
Water soluble ≤ ω/% 0.3 0.3 0.3
Sieve residue (1.00mm mesh) ≤ ω/% 2 2 –
Sieve residue (1.40 mm screen) ≤ ω/% – – 5
Sieve residue (180μm screen) ≥ ω/% 88 88 85
Chloride (Cl) ≤ ω/% 0.5 0.5 0.05
Sulfate (SO4) ≤ ω/% 1 1 0.05

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]]> 1209 Ferrous Sulfate (Mono.& Hepta.) https://hongdingintl.com/products/ferrous-sulfate-mono-hepta/ Tue, 06 Aug 2024 02:44:03 +0000 http://www.hongdings.com/product/dark-grey-jeans/ Ferrous sulfate is water-soluble but practically insoluble in ethanol, decomposing at red heat to form ferric oxide while releasing sulfur dioxide and sulfur trioxide, can be used as flocculant, iron oxide pigment, mordant, preservative, disinfectant, pesticide, fertilizer, feed, and in the production of iron salts, etc.

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]]> <strong>Product Name:</strong> Ferrous Sulfate (Mono.& Hepta.)
<strong>CAS No:</strong> 7720-78-7
<strong>Einecs No:</strong> 231-753-5
<strong>HS Code:</strong> 2833291000
<strong>Formula:</strong> FeSO4·H2O; FeSO4·7H2O
<strong>Grade Standard:</strong> Food Grade, Tech Grade, Feed Grade
<strong>Appearance:</strong>
FeSO4·H2O: Off-white powder
FeSO4·7H2O: Blue-green crystal
<strong>Packaging Details:</strong> 25KG/BAG, 1000KG/BAG

<strong>Application:</strong>
Ferrous sulfate can be used as flocculant, iron oxide pigment, mordant, preservative, disinfectant, pesticide, fertilizer, feed, and in the production of iron salts, etc

Specification:

Item Range Unit Standard
FeSO4·H2O FeSO4·7H2O
Ferrous sulfate (FeSO4·H2O) ≥ ω/% 91.4 –
Ferrous sulfate (FeSO4·7H2O) ≥ ω/% – 98
Iron (Fe) ≤ ω/% 30 19.7
Arsenic (As) ≤ ω/% 0.0002 0.0002
Lead (Pb) ≤ ω/% 0.002 0.002
Fineness (180μm sieve) ≤ ω/% 95 –
Water insoluble ≤ ω/% – 0.5

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