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Treatment of industrial acid wastewater

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Treatment of industrial acid wastewater
CURRENT RESEARCH AND TRENDS IN ALUM TREATMENT OF ...
CURRENT RESEARCH AND TRENDS IN ALUM TREATMENT OF ...

by dissolving aluminum bauxite ore in sulfuric ,acid,. Commercial-grade ,alum, is a clear, viscous, light green to yellow solution which is 48.5% aluminum sulfate by weight and has a specific gravity of 1.34. The addition of ,alum, to water results in the production of chemical precipitates which ,remove, pollutants by two primary mechanisms.

Is alum-purified water safe to drink? - Quora
Is alum-purified water safe to drink? - Quora

Alum is used in the form of Aluminum Sulfate (usually) to remove particulates in water through flocculation to remove solids and some ions and allow them to be filtered or settled. The process is part of a treatment process and, properly managed, leaves little of the chemical components in solution.

Recycling of Alum from Water Treatment Residue and Reuse ...
Recycling of Alum from Water Treatment Residue and Reuse ...

the most broadly ,used to remove suspended, and dissolved solids, colloids and organic material from ,wastewater, ... commonly ,used, coagulant to reduce so many ,particles, from ,wastewater,, but it is still challenging to deal with the wastes (sludge) produced after the treatment. During water treatment where ,alum, is ,used, as a flocculant, Aluminum ...

2 Wastewater Treatment by using Natural Coagulant
2 Wastewater Treatment by using Natural Coagulant

Wastewater, consists of high amount of negative charge ,particles, required high amount of natural coagulant for complete stabilization. The highest turbidity removal efficiency for aluminium sulphate was within 82.9-99.0% over wide range of turbidity. The best performance of ,alum, was observed at pH 7 over the selected range of

How Does Alum Affect Alkalinity? - Ceramics
How Does Alum Affect Alkalinity? - Ceramics

Alum acts as an electrolyte and helps settle suspended matter in water. This process is called coagulation. Chlorine is a highly efficient disinfectant and is added to public water supplies to kill disease-causing pathogens such as bacteria, viruses, and protozoans. What is the function of alum?

How to use alum for hard water. Does it work - Quora
How to use alum for hard water. Does it work - Quora

Alum is used to get the suspended particles in water to settle and so we can remove it..this process is known as coagulation. From wikipedia”Chemical flocculant. Alum is used to clarify water by neutralizing the electrical double layer surrounding very fine suspended particles, allowing them to …

Aluminum salts: Aluminum chloride Aluminum nitrate ...
Aluminum salts: Aluminum chloride Aluminum nitrate ...

Aluminum sulphate (or "alum") and aluminum chloride are primarily used in municipal drinking water and wastewater treatment facilities to help remove suspended particles and bacteria from the water. The other major uses of these two salts are in industrial water and wastewater treatment and in …

Study of the coagulation process in wastewater treatment ...
Study of the coagulation process in wastewater treatment ...

Aims: In this study, the effect of the coagulation process on treatment of simulated dairy ,wastewater, (SDW) was investigated using the mineral and organic coagulants. Materials and Methods: Different types of coagulants such as inorganic (,Alum, and ferrous sulphate) and polymeric coagulants (polyacrylamide [PAA] and polyferric sulphate [PFS]) were investigated.

The Manufacture of Aluminium Sulfate
The Manufacture of Aluminium Sulfate

This property means that alum can be used to remove particles from water. The free Al3+ ions hydrate to form highly charged species such as Al8(OH)20 4+. These are attracted to negatively charged species, which include the most common colloidal species in water:

Ferric Alum - purifikem.com
Ferric Alum - purifikem.com

Other uses for ,alum, include ,wastewater, treatment, as a waterproofing agent and accelerator in concrete, as a clarifier for fats and oils and as a foaming agent in fire foams. The aluminium ion has a high charge which makes it an excellent coagulant for colloidal1 matter. This property means that ,alum can be used to remove particles, from water.

Screening and Evaluation of Alum and Polymer Combinations ...
Screening and Evaluation of Alum and Polymer Combinations ...

One of the most common methods for removing suspended solids in drinking water is the addition of coagulant and flocculation aids, such as alum, ferric chloride, and long‐chain polymers (AWWA 1997). Coagulation is the process of decreasing or neutralizing the …

Is alum-purified water safe to drink? - Quora
Is alum-purified water safe to drink? - Quora

Alum is used in the form of Aluminum Sulfate (usually) to remove particulates in water through flocculation to remove solids and some ions and allow them to be filtered or settled. The process is part of a treatment process and, properly managed, leaves little of the chemical components in solution.

CURRENT RESEARCH AND TRENDS IN ALUM TREATMENT OF ...
CURRENT RESEARCH AND TRENDS IN ALUM TREATMENT OF ...

by dissolving aluminum bauxite ore in sulfuric acid. Commercial-grade alum is a clear, viscous, light green to yellow solution which is 48.5% aluminum sulfate by weight and has a specific gravity of 1.34. The addition of alum to water results in the production of chemical precipitates which remove pollutants by two primary mechanisms.

A Study of Alum in Removal of Total Dissolved Solids ...
A Study of Alum in Removal of Total Dissolved Solids ...

Key words: Industrial ,Wastewater,, Membrane Technology, TDS and ,Alum, salt . ... The process of coagulation is ,used to remove, colloidal ,particles, from ,waste water, .In ,waste water, treatment process, ... The ,acid, being formed is neutralized due to water alkalinity.

Comparing Aluminium Sulfate and Poly-Aluminium Chloride ...
Comparing Aluminium Sulfate and Poly-Aluminium Chloride ...

study by Guida et al., (2007) alum was used as coagulant to remove COD and total suspended solids (TSS) from municipal wastewater samples [6-8]. The coagulation experiments indicated that alum effective-ly removed COD (65%) and TSS (>75%) on the average Colloids are small suspended particles in water which cannot be settled or removed

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