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Alkali neutralization 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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Alkali neutralization of acid wastewater
jacketed centrifuge for bitanical material extraction ...
jacketed centrifuge for bitanical material extraction ...

A method for extracting crude palm oil from fresh fruit bunches based on removing a portion of the moisture in press liquor (51) by evaporation (54) followed by oil clarification (56) using a system that is capable of achieving the oil/,sludge, separation without water addition to ,reduce, the effluent from the palm oil extraction process.

(PDF) Environmental Science and Technology | Ersin Orak ...
(PDF) Environmental Science and Technology | Ersin Orak ...

Water quality assessment is necessary for management of water resources. As known environmental processes are very complex . Reflection of this complexity is also seen in water quality models.Therefore finding efficient and sound models in many cases

The water purification material which is suitable for ...
The water purification material which is suitable for ...

It can be used for the treatment of drinking water, industrial water, sewage and ,sludge,. Compared with other inorganic flocculants, PFS can form stable flocculants in the pH range of 5-11, with fast settling speed, good water purification effect, no harmful substances such as aluminum, chlorine and heavy metal ions, and no water phase transfer of iron ions, which will not cause secondary ...

Hydrometallurgy - Academic Accelerator
Hydrometallurgy - Academic Accelerator

A novel process combined with flue-gas desulfurization technology to ,reduce, lead dioxide from spent lead-,acid, batteries: ... A process to recover high purity iodine in ,wastewater, from liquid crystal display ... ,Dephosphorization, of high phosphorus oolitic hematite by ,acid, leaching and the leaching kinetics:

Liquid–liquid extraction of phosphorus from sulfuric acid ...
Liquid–liquid extraction of phosphorus from sulfuric acid ...

The LLE of phosphorus from sulfuric ,acid, solution by using benzyl dimethyl amine (BDMA) in kerosene has been investigated in this study. Although a few studies used BDMA to remove phosphorus from ,wastewater, [9, 18], they were not systematic and did not deal with solutions with high phosphorus content (dealt with only 30 mg·L −1).

Fractionation and Oxidation of Chromium in Tannery Waste ...
Fractionation and Oxidation of Chromium in Tannery Waste ...

Critical evaluation of the use of the hydroxyapatite as a stabilizing agent to ,reduce, the mobility of Zn and Ni in sewage ,sludge, amended soils. Waste Management 2006, 26 (12) , 1392-1399. https://doi.org/10.1016/j.wasman.2005.12.007; K Chandra Sekhar, M Prasad.

The water purification material which is suitable for ...
The water purification material which is suitable for ...

It can be used for the treatment of drinking water, industrial water, sewage and ,sludge,. Compared with other inorganic flocculants, PFS can form stable flocculants in the pH range of 5-11, with fast settling speed, good water purification effect, no harmful substances such as aluminum, chlorine and heavy metal ions, and no water phase transfer of iron ions, which will not cause secondary ...

№4(2018) – KIMS
№4(2018) – KIMS

In the world, the main raw material for the production of selenium is copper electrolytic ,sludge, (90 %) and ,sludge, of sulfuric ,acid, production of the chemical and pulp and paper industry ... (In Aktyubinsk region, it is possible to ,reduce, the cost of construction through the construction of a cement plant) www.krn.kz (access date: 31.10.2017).

A Material Flow Analysis of Phosphorus in Japan - Matsubae ...
A Material Flow Analysis of Phosphorus in Japan - Matsubae ...

That is, one of the most important roles of steelmaking slag is ,dephosphorization, of molten steel, ... and ends up in ,sludge, or ,wastewater,. ... Masahiro Katoh, Recovery and Enrichment of Phosphorus from the Nitric ,Acid, Extract of ,Dephosphorization, Slag, JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 10.1252/jcej.13we065, 47, 6, (483-487), (2014 ...

Science of the Total Environment
Science of the Total Environment

2018). When the hypochlorite dissolved in water, hypochlorite ,acid, (HOCl) would be rapidly generated (Eq. (1)). On one hand, the formed hypochlorous ,acid, is unstable in the liquid phase, which would be fur-ther decomposed into OCl− (Eq. (2)). On the other hand, the one-electron reduction of HOCl could generate •OH and Cl− (Eq. (3)). Ca ClOðÞ 2 þ2H

A Material Flow Analysis of Phosphorus in Japan - Matsubae ...
A Material Flow Analysis of Phosphorus in Japan - Matsubae ...

Because it is hard to achieve perfect magnetic separation, we estimated the amounts of CaO and FeO required as ,dephosphorization, agents and the amount of slag generated on the assumption that 60% of the phosphorus‐rich phase and 10% of the residual slag are recovered as phosphorus resources, and that the residues that are formed from the remaining 40% of phosphorus‐rich phase and 90% of ...

A Material Flow Analysis of Phosphorus in Japan - Matsubae ...
A Material Flow Analysis of Phosphorus in Japan - Matsubae ...

Because it is hard to achieve perfect magnetic separation, we estimated the amounts of CaO and FeO required as ,dephosphorization, agents and the amount of slag generated on the assumption that 60% of the phosphorus‐rich phase and 10% of the residual slag are recovered as phosphorus resources, and that the residues that are formed from the remaining 40% of phosphorus‐rich phase and 90% of ...

Method for treating high-concentrated organic wastewater ...
Method for treating high-concentrated organic wastewater ...

A method for treating ,wastewater, comprising the following steps: (a) equalizing a flow rate and an amount of highly concentrated ,wastewater, in an equalization tank, (b) carrying out solid-liquid separation of the equalized ,wastewater, from step (a) by adding an aggregating agent thereto so that the concentrations of organic material and nitrogen can be adjusted to desired levels, (c) stripping ammonia selectively from the ,wastewater, …

Determination on inhibition effects of coagulants used in ...
Determination on inhibition effects of coagulants used in ...

The ,sludge, for the analysis is taken from the primary anaerobic digester of ,wastewater, treatment plant and 250 mL of ,sludge, is placed in the flasks. Constant temperature (35 o C) is maintained by immersing the reaction flasks into a water bath.

Equilibrium and Kinetic Studies of Phosphate Removal from ...
Equilibrium and Kinetic Studies of Phosphate Removal from ...

2/4/2013, · Many ,dephosphorization, studies have been made for wastewaters, including biological, chemical precipitation, and adsorption processes . Of all phosphate removal techniques, adsorption is receiving increasing attention and becoming an attractive technology because of its simplicity, low cost, ease of operation and handling, ,sludge, free operation, and the capacity to regenerate and re-use solids.

จำหน่าย ELECTRIC COAGULATION SYSTEM (EC-MODULE) | SUN ...
จำหน่าย ELECTRIC COAGULATION SYSTEM (EC-MODULE) | SUN ...

Wastewater, containing chromium first of all through continuous high frequency pulse ionization membrane system processing make the hexavalent chromium ,reduce, trivalent chromium and precipitation by pH control box again into the VF system realize the solid-liquid separation lastly take exclusive dealing with ,sludge,.

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