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Heating aeration of high concentration 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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Heating aeration of high concentration acid wastewater
Electrochemical Reactors for Wastewater Treatment ...
Electrochemical Reactors for Wastewater Treatment ...

The anode is immersed in ,wastewater,, which must be oxygen‐free. Different ,wastewater, types ,can be used, as substrate sources, e.g., brewery ,wastewater, 87, dairy ,wastewater, 88, or municipal ,wastewater, 86. In the latter case, electroactive bacteria are already present and a targeted inoculation of the anodes is therefore not necessary.

Study on Treatment of Salicylhydroxamic Acid Wastewater ...
Study on Treatment of Salicylhydroxamic Acid Wastewater ...

Salicylchydroxamic ,acid wastewater, from the ,W,–Mo ore flotation process is difficult to be treated by coagulation-settlement technology, and the effluent is difficult to meet the requirements of the first-grade discharge standard in the Integrated ,Wastewater, Discharge Standard (GB 8978) and the water quality of the reuse of urban recycling water-water quality standard for industrial uses (GB ...

Removal Technologies in Wastewater Treatment | IWA Publishing
Removal Technologies in Wastewater Treatment | IWA Publishing

Since heavy metal ions are non-biodegradable, they ,can, accumulate their amounts along the food chain. Therefore, it is critical necessary to remove or minimize the heavy metal ions in ,wastewater, systematically. In this article, we mainly introduce three commonly ,used, methods for heavy metal elimination: chemical precipitation, ion exchange, and adsorption.

DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES …
DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES …

Coagulation is the most commonly ,used, method in the treatment of textile ,wastewater,. In the present work, we report experimental work on treatment of synthetic waste containing pure reactive dyes, removal of reactive blue dye, using various commercial coagulants such as alum, polyaluminium chloride (PAC), polydiallyldimethylammonium chloride (poly-DADMAC) and polyamines.

Wastewater treatment in the fishery industry - 4 ...
Wastewater treatment in the fishery industry - 4 ...

They ,can be used, with or without recirculation of the liquid after the settling tank. The need for recirculation is dictated by the strength of the ,wastewater, and the rate of oxygen transfer to the biomass. Typically, recirculation is ,used, when the BOD 5 of the ,wastewater, to be treated exceeds 500 mg/litre.

Nanomaterials Use in Wastewater Treatment
Nanomaterials Use in Wastewater Treatment

achieve this objective ,wastewater, should be treated so that it ,can, be reused as well as environment should be saved by the negative effect of the untreated ,wastewater,. This paper has focused on the different types of nanomaterials ,used, by nanotechnology that ,can, help in ,wastewater, remediation.

INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS
INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS

Czysz ,W,. and Schneider ,W,., (1989),Waste Water, Technology: Origin, Collection, Treatment and Analysis of ,Waste Water,, Springer-Verlag Berlin Heidelberg, New York, pp103-109 [This article show the ,wastewater, amounts produced by the different processes in a tannery with chrome and bark tanning.]

Wastewater Treatment through Low Cost Adsorption ...
Wastewater Treatment through Low Cost Adsorption ...

7/4/2016, · In this case, counterions with lower K ps values are ,used,, for instance sulphide ions (S 2 −) are ,used, to improve the ,wastewater, treatment of waters containing mercury or cadmium. Most of the treatments employed in our country only consider a alkaline chemical treatment by contacting the acidic stream with CaCO 3 or CaO or Ca ( OH ) 2 raising the pH up to a point where metals are partially ...

Wastewater - Wikipedia
Wastewater - Wikipedia

Wastewater, is any water that has been contaminated by human use. ,Wastewater, is ",used, water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and any sewer inflow or sewer infiltration". Therefore, ,wastewater, is a byproduct of domestic, industrial, commercial or agricultural activities. The characteristics of ,wastewater, vary ...

Using Vitamin C to Neutralize Chlorine in Water Systems
Using Vitamin C to Neutralize Chlorine in Water Systems

The intended audience is sanitary engineers and operators of water and ,wastewater, systems. ... Figure 2—Ascorbic ,acid, is ,used, to neutralize chlorine. Tables 1 and 2 show the results. Table 1. Ascorbic ,acid,: ... They use levels up to 50 milligrams per liter of vitamin C ,to treat, wounds in …

Characteristics of Wastewater | Wastewater Management
Characteristics of Wastewater | Wastewater Management

The BOD test takes a minimum of 5 days’ time, and due to this, it is not useful in the control of treatment processes. An alternative test is the COD test, which ,can be used, to measure content of organic matter of both ,wastewater, as well as natural waters. COD ,can, be determined only in …

Simultaneous wastewater treatment and energy harvesting in ...
Simultaneous wastewater treatment and energy harvesting in ...

Although ,wastewater, contains a large amount of toxic chemicals and biological substances, proper treatment allows its safe usage as fertilizer and potential energy source. 1 Microbial fuel cells (MFCs) have been reported ,to treat, a wide range of ,wastewater, and are capable of converting the energy contained in ,wastewater, directly into electricity and useful chemicals like H 2, H 2 O 2, CH 4 ...

Full recycling of citric acid wastewater through anaerobic ...
Full recycling of citric acid wastewater through anaerobic ...

Conventionally, ,wastewater, from citric ,acid, production is treated initially by anaerobic and aerobic digestion (), followed by further processing using physical or chemical methods to meet the national discharge standard (Svardal et al. 1993; Colleran et al. 1994).Anaerobic digestion is efficient in treating the high levels of organic matter in ,wastewater,, and the end-products methane and ...

Removal and Recovery of Lead Ions from Wastewater of Lead ...
Removal and Recovery of Lead Ions from Wastewater of Lead ...

4 and ,can be used, as eluant solution, was put into the ,w aste wa ter, stor ing pot constantl y to maintain the volume of ,wastewater,. In this process, the polyacrylic ,acid can, be retained by membrane and separated from the Pb2+ ion. Because volume of the eluant solution in which the polyacrylic ,acid, had been eliminated through the

DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES …
DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES …

Coagulation is the most commonly ,used, method in the treatment of textile ,wastewater,. In the present work, we report experimental work on treatment of synthetic waste containing pure reactive dyes, removal of reactive blue dye, using various commercial coagulants such as alum, polyaluminium chloride (PAC), polydiallyldimethylammonium chloride (poly-DADMAC) and polyamines.

Simultaneous wastewater treatment and energy harvesting in ...
Simultaneous wastewater treatment and energy harvesting in ...

Although ,wastewater, contains a large amount of toxic chemicals and biological substances, proper treatment allows its safe usage as fertilizer and potential energy source. 1 Microbial fuel cells (MFCs) have been reported ,to treat, a wide range of ,wastewater, and are capable of converting the energy contained in ,wastewater, directly into electricity and useful chemicals like H 2, H 2 O 2, CH 4 ...

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