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2. Neutralization method of 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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2. Neutralization method of acid wastewater
How to Remove Emulsified Oil from Wastewater with ...
How to Remove Emulsified Oil from Wastewater with ...

If removal of the surfactants (soaps) is not required, carbon polishing may not be necessary. Coagulant Breaking. Method 1: For emulsions that break at a pH of 7 or 6, add polyaluminum chloride (PAC), ,aluminum sulfate, or ferric chloride at 50-200 ppm or more as needed. Make sure you are aware of ,aluminum, discharge limits in your locality.

Removal of aluminum and sulfate ions from aqueous ...
Removal of aluminum and sulfate ions from aqueous ...

It is known that aluminum and sulfate can be removed from waste water by treatment with, barium hydroxide, (Ba (OH) 2). As the pH of water increases, the aluminum precipitates out as, aluminum hydroxide.

Aluminum Sulfate (Alum) Al2(SO4)3 | Beckart Environmental
Aluminum Sulfate (Alum) Al2(SO4)3 | Beckart Environmental

Alum is 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 no residual color, offers very good turbity removal, and …

Removal of aluminum and sulfate ions from aqueous ...
Removal of aluminum and sulfate ions from aqueous ...

It is known that aluminum and sulfate can be removed from waste water by treatment with barium hydroxide (Ba (OH) 2). As the pH of water increases, the aluminum precipitates out as …

Removal of Sulfate from Industrial Wastewaters
Removal of Sulfate from Industrial Wastewaters

anion of sulfate, the amounts of aluminum chlorohydrate and lime necessary to remove 1,000 mg/1 sulfate would be 1,800 mg/1 and 3,800 mg/1, respectively. Because the treatment cost is relatively high, such a method would not be used for weak, high-volume effluents. However, for wastewaters of low volume but compara tively high sulfate levels, the aluminum/

Treating ammonium-rich wastewater with sludge from water ...
Treating ammonium-rich wastewater with sludge from water ...

1/3/2016, · They soaked aluminum minerals in sulfuric acid solution to convert the aluminum oxide in the mineral into soluble aluminum sulfate, which was then added to ammonium-rich wastewater to precipitate the, ammonium, al,um., However, because this acid soaking method lacks a thermal heating process, aluminum is not easily dissolved during the reaction.

US7390416B1 - Method for the removal of metals including ...
US7390416B1 - Method for the removal of metals including ...

The method of claim 1wherein the ,aluminum sulfate, or alum is added in the range from 0.15% to 0.35% by weight of the ,wastewater,. 5. The method of claim 1wherein the hydroxyl providing base is selected from the group consisting of sodium hydroxide, potassium hydroxide, and magnesium hydroxide. 6.

Aluminum sulfate | Univar Solutions
Aluminum sulfate | Univar Solutions

Aluminum sulfate, is one of the most commonly used coagulants for treating potable water and ,wastewater,. As a municipality, industrial plant, or private water utility, you require the chemicals and support to ensure your finished water meets the health and …

(PDF) Removal of dye from water by coagulation using ...
(PDF) Removal of dye from water by coagulation using ...

The ,removal, percentage without addition oxidant agent at 20 oC was decreased from 32.710 % to 21.445, 11.439 and 8.785% for addition Fe2+, H2O2 and mixing of both respectively.

Acid Alum | Aluminum Sulfate Solution & TOC Removal | USALCO
Acid Alum | Aluminum Sulfate Solution & TOC Removal | USALCO

USALCO® Acid Alum is especially effective in water treatment applications where TOC (total organic carbon) removal is important. It produces a more dense and settleable floc than water treated with a comparable amount of standard alum. Acidified alum also reduces the residual soluble aluminum in …

(PDF) Removal of dye from water by coagulation using ...
(PDF) Removal of dye from water by coagulation using ...

The removal percentage without addition oxidant agent at 20 oC was decreased from 32.710 % to 21.445, 11.439 and 8.785% for addition Fe2+, H2O2 and mixing of both respectively.

Coagulation-sedimentation Method Using Aluminum Sulfate ...
Coagulation-sedimentation Method Using Aluminum Sulfate ...

In this study, we investigated the change in the ,removal, rate of boric ,acid, relative to the saturation rate (=dissolved amount/saturated amount) for gypsum in solution and its pH dependence, as well as the composition of the compounds found in the precipitate after the reaction. The results showed that almost 100% of boric ,acid, in solution is removed by the addition of gypsum at a saturation ...

Sulfate Removal Technologies A Review - Water Online
Sulfate Removal Technologies A Review - Water Online

The SAVMIN process was developed by MINTEK in South Africa in the 1990s to treat acid mine drainage. Ettringite is precipitated as in the CESR process, in this case by recycling aluminum hydroxide. Sulfate levels can be reduced to, less than 200 mg/L, by this process.

Coagulation and Flocculation in Water and Wastewater ...
Coagulation and Flocculation in Water and Wastewater ...

Acid, alum formulations are ,aluminum sulfate, with 1 to 15-percent free sulfuric ,acid,. Their effectiveness with TOC ,removal, applications is due to the enhanced depression of pH. TOC or NOM reductions depend on the type and dosage of coagulant, the pH, temperature, raw water quality and NOM characteristics.

Aluminum Sulfate | GEO Specialty Chemicals
Aluminum Sulfate | GEO Specialty Chemicals

Economical Cationic charge. Effective in Color Removal. Phosphate and Color Removal. Alum means many things to many people. To most people, alum means hydrated ,aluminum sulfate,, which is the salt of sulfuric ,acid, (a strong ,acid,) and ,aluminum, hydroxide (a weak base). Alum is also known as papermakers' or filter alum.

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