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Nickel plating on iron by electrolysis in acidic wastewater containing nickel

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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Nickel plating on iron by electrolysis in acidic wastewater containing nickel
Refined soybean oil wastewater treatment and its ...
Refined soybean oil wastewater treatment and its ...

1/11/2018, · The four fatty acids were consumed simultaneously; linoleic acid and oleic acid were depleted at 48 h, but the consumption of palmitic acid and stearic acid rather than the other two fatty acids contributed more to the removal of the oil content during the treatment of the wastewater.

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 …

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 ...

Refined soybean oil wastewater treatment and its ...
Refined soybean oil wastewater treatment and its ...

1/11/2018, · The four fatty acids were consumed simultaneously; linoleic acid and oleic acid were depleted at 48 h, but the consumption of palmitic acid and stearic acid rather than the other two fatty acids contributed more to the removal of the oil …

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 ...

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

Soil Based Wastewater Treatment | NC State Extension
Soil Based Wastewater Treatment | NC State Extension

Soils contain naturally-occurring bacteria, fungi, actinomyces, and protozoa which make their homes on soil surfaces and are responsible for many biological wastewater treatment processes. Soil microbes play a role in organic matter degradation and …

Methane recovery from acidic tofu wastewater using an ...
Methane recovery from acidic tofu wastewater using an ...

3/1/2021, · However, the effluent recycling system can increase energy consumption and cost due to additional equipment requirements. Therefore, a process to treat acidic wastewater without the addition of bases or effluent recycling would prove beneficial to small- and medium-scale treatment plants that wish to treat their highly acidic wastewater on-site.

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.

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, …

Review on biological wastewater treatment and resources ...
Review on biological wastewater treatment and resources ...

There are two common fixed-film systems that are used today for wastewater treatment; they are trickling filters, and rotating biological contactors (RBCs). Numerous investigations have used biofilms for the treatment of wastewater, and recovery of nutrient sources, heavy metals, and other pollutants ( Costley & Wallis 2001 ; Andersson et al. 2008 ; Chavan & Mukherji 2008 ; Schneider & Topalova 2013 ; …

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

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 ...

Sci Forschen Water and Wastewater Treatment
Sci Forschen Water and Wastewater Treatment

27/1/2018, · treated and acid-treated. These three types of adsorbents were used to remove phosphorus and nitrogen from the wastewater. Five factors were analysed in the experiment; type of adsorbent, dosage, particle size, contact time and rotational speed. The reading of total nitrogen (TN), total phosphorus (TP) and pH

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 3 hours in contrast to 5 days of BOD test.

Soil Based Wastewater Treatment | NC State Extension
Soil Based Wastewater Treatment | NC State Extension

Soils contain naturally-occurring bacteria, fungi, actinomyces, and protozoa which make their homes on soil surfaces and are responsible for many biological wastewater treatment processes. Soil microbes play a role in organic matter degradation and removal of nitrogen, bacteria, and viruses.

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 ...

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