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Acid coking 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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Acid coking wastewater
Application of magnetic fields to wastewater treatment and ...
Application of magnetic fields to wastewater treatment and ...

1. Introduction. ,Wastewater, discharge has caused various water environmental problems such as deterioration of water quality and eutrophication of waterbodies (Arbib et al., 2014).Although traditional treatment methods have been successfully applied to a wide range of ,wastewater,, they are far from efficient for industrial ,wastewater, that contains a large number of heavy metals, dye chemicals ...

Injection well - Wikipedia
Injection well - Wikipedia

Definition. The U.S. Environmental Protection Agency (EPA) defines an ,injection well, as "a bored, drilled, or driven shaft, or a dug hole that is deeper than it is wide, or an improved sinkhole, or a subsurface fluid distribution system". Well construction depends on the injection fluid injected and depth of the injection zone. Deep wells that are designed to inject hazardous wastes or carbon ...

Critical review of advanced oxidation processes in organic ...
Critical review of advanced oxidation processes in organic ...

1. Introduction. With socio-economic development, environmental pollution is a growing problem, especially organic ,wastewater, pollution (Rueda-Marquez et al., 2020).Organic pollutants in ,wastewater, pose a threat not only to water resources, but also to human health (Akpan and Hameed, 2011).The most common used ,wastewater, treatment technologies are divided into physical, chemical, and ...

Wastewater Treatment in Textile Tanneries and ...
Wastewater Treatment in Textile Tanneries and ...

acid, rain, animal waste have negative influence over biotic and abiotic components on different ... ,wastewater, to water streams and canals, the ,wastewater, must be treated. Such ... tanning industries are discharging ,Cr, ion in their

CLU-IN | Contaminants > Chromium VI > Treatment Technologies
CLU-IN | Contaminants > Chromium VI > Treatment Technologies

The WBA resin converts ,Cr,(VI) to ,Cr,(III), retains ,Cr,(III) on the resin, and can achieve levels <1 ppb ,Cr,(VI), although breakthrough is relatively quick, and total ,Cr, effluent concentrations exceed 1 ppb within a short timeframe. Testing also revealed that the resin can leach formaldehyde at startup (requiring pretreatment) and accumulate uranium.

Etidronic acid - Wikipedia
Etidronic acid - Wikipedia

Etidronic acid, is a bisphosphonate used to strengthen bone, ,treat, osteoporosis, and ,treat, Paget's disease of bone. Bisphosphonates primarily reduce osteoclastic activity, which prevents bone resorption, and thus moves the bone resorption/formation equilibrium toward the formation side and hence makes bone stronger on the long run.

Treatment of Water Using Water Hyacinth Water Lettuce and ...
Treatment of Water Using Water Hyacinth Water Lettuce and ...

5/2/2012, · Phytoremediation techniques for the treatment of different types of ,wastewater, have been used by several researchers. These techniques are reported to be cost effective compared to other methods. Various contaminants like total suspended solids, dissolved solids, electrical conductivity, hardness, biochemical oxygen demand, chemical oxygen demand, dissolved oxygen, nitrogen, …

Natural Zeolites in Water Treatment – How Effective is ...
Natural Zeolites in Water Treatment – How Effective is ...

8/11/2011, · The presence of heavy metals (Zn, ,Cr,, Pb, Cd, Cu, Mn, Fe, etc.) in ,wastewater, is a serious environmental problem and their removal by natural zeolites have been extensively studied along with other technologies, including chemical precipitation, ion exchange, adsorption, membrane filtration, coagulation flocculation, flotation and electrochemical methods .

Slaughterhouse Wastewater Treatment by Combined Chemical ...
Slaughterhouse Wastewater Treatment by Combined Chemical ...

29/6/2012, · Therefore treating of slaughterhouse wastewater is very important for prevention of high organic loading to municipal wastewater treatment plants. The most common methods used for treating slaughterhouse wastewaters are fine screening, sedimentation, coagulation– flocculation, trickling filters and activated sludge processes.

Chrome Reduction | Products Finishing
Chrome Reduction | Products Finishing

A. The “best way” depends upon many factors such as safety concerns, volume of wastewater, discharge limits and final discharge. That being said, our experience has been that, for the vast majority of chrome reduction applications, the use of sodium metabisulfite (MBS) is best. Sodium metabisulfite (Na 2 S 2 O 5 ), when added to water, forms sodium ...

Fukuura Industrial Wastewater Treatment Plant
Fukuura Industrial Wastewater Treatment Plant

Acid,/ alkali: Physicochemical treatment ... COD (,Cr,, Mn) N/A: N/A ... The plant was constructed ,to treat, the ,wastewater, from the new industrial estate. Its initial role was the common treatment facility for manufacturers. Then the plant became the public ...

Wastewater treatment and reclamation: A review of pulp and ...
Wastewater treatment and reclamation: A review of pulp and ...

Katal and Pahlavanzadeh (2011) found positive results with either kind of electrode over a wide range of pH (5 to 7), making it feasible ,to treat, the paper mill ,wastewater, without the adjustment of pH. Bellebia et al. (2012) found that an aluminum electrode system had a lower optimum pH (5.3) compared to an iron system (pH=7.2).

1 Wastewater treatment equipment - ELEPON
1 Wastewater treatment equipment - ELEPON

-.pH Control Unit of PB-Cr type can be continuously neutralized with stable pH control because the unit, not only neutralize alkali wastewater by sulfuric acid, hydrochloric acid, etc., also conduct reduction treatment of hexavalent chromium by reduction solvent(ferrous sulfate etc.)

Do You Need to Remove Chromium from Your Industrial Water ...
Do You Need to Remove Chromium from Your Industrial Water ...

As such, the most important reason to treat wastewater for chromium is to protect public health and safety, although there are also other reasons to consider chromium removal as part of an overall wastewater treatment strategy. We’ll address these in more detail below: Compliance with wastewater discharge permit limitations

How to Remove Ethylene Glycol From Wastewater - CR4 ...
How to Remove Ethylene Glycol From Wastewater - CR4 ...

3/11/2017, · From a water sample analysis taken just last month, about 23 mg/L was present. There are two streams to be treated, we are looking at treating the first stream as its easier, then the second stream given the opportunity. FYI, the second stream has about 830 mg/L ,ethylene glycol,…

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