CAS:10043-01-3 Aluminium Sulphate Al2(SO4)3; Products Granular/ Flake/ Powdered/ Lump/ Liquid; Petroleum Drilling Fluid Treatment

Granular Aluminum Sulfate (Al₂(SO₄)₃·xH₂O), with Al₂O₃ content ≥16–17% (iron-free grade available upon request), water solubility ≥99%, exhibiting acidic hydrolysis characteristics, rapidly releasing Al³⁺ to achieve efficient coagulation, gel breaking, and flocculation sedimentation effects.

Oilfield fracturing fluid breaker

Municipal and industrial wastewater coagulation treatment

Paper sizing and settling aids

Textile printing and dyeing wastewater treatment

Water purification and industrial circulating water systems

① Working pH Range
Maintains stable reactivity within the pH range of 4.0–8.5, with the optimal coagulation range being pH 5.5–7.5.

② Effect of pH on Breaking Rate
Lower pH results in faster hydrolysis, increased Al³⁺ release rate, and a 20–40% reduction in breaking time.

③ Compatibility with Fracturing Fluid Systems
Suitable for guar gum and modified guar systems, exhibiting stable reaction under neutral to weakly acidic conditions without affecting the main system structure.

① Addition Method: It is recommended to prepare a 5–10% aqueous solution and then add it continuously by metering to improve dispersion uniformity.

② Addition Stage: Add it in the later stage of fracturing operations or before wastewater coagulation to achieve rapid reaction.

③ Compatibility with Other Additives: Compatible with conventional bactericides, drag reducers, and coagulants, and does not produce precipitation side reactions.

① Raw Material Control: Industrial-grade high-purity aluminum hydroxide or bauxite is used as raw material, and the sulfuric acid concentration is precisely controlled.

② Active Ingredient Testing: Each batch is tested for Al₂O₃ content, iron content, and water-insoluble matter content, conforming to GB/T and industry standards.

③ Performance Consistency Testing: Standard simulated gel breaking experiments and coagulation sedimentation comparison tests are conducted to ensure stable reaction rates.

④ Batch Deviation Control: Al₂O₃ content fluctuations are controlled within ±0.3%, and moisture and particle size distribution are strictly managed in a graded manner.

Q: What are the specific methods of using aluminum sulfate products?

A: 1. There are two ways of adding: dry adding and wet adding. The product is usually prepared into a solution in a certain proportion.
The dissolution ratio and addition concentration need to be determined according to the quality of the treated water, such as the pH value of the water, the type and content of impurities in the water, etc. After the quality of the treated water is determined, it is necessary to test factors such as dry adding, wet adding, lime adjustment, stirring, etc., and select and determine the best way of use.

Q: Sample service requirements.

A: Normally, we can provide 1kg of samples, and you need to pay the relevant express delivery fees.

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