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Acid wastewater from North China

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 wastewater from North China
(PDF) Treatment of copper cyanide wastewaters in ...
(PDF) Treatment of copper cyanide wastewaters in ...

Likewise, there are many papers describing electrochemical cells, mechanisms and products of, electrochemical, treatment of, wastewater, containing, copper, …

High-quality ecologically sound remediation of acidic ...
High-quality ecologically sound remediation of acidic ...

Therefore, the bicarbonate ,concentration, in the swine ,wastewater, is ten times higher than that in typical freshwater systems. This ,high, level of bicarbonate could add to the pollution load of the discharged ,wastewater,. ,Acidic, soils are widely distributed in China and other counties 14, occupying approximately half of the total arable land area ...

Treatment of wastewater from a dairy plant by adsorption ...
Treatment of wastewater from a dairy plant by adsorption ...

Of which ,copper oxide, nanoparticles (CuONPs), often ,used, in biological, agricultural and industrial applications, was investigated as an adsorbent at the nanoparticles size level. It did exhibit positive results in the treatment of ,wastewater, (Peternela et al. 2018).

Introduction To Activated Sludge Study Guide
Introduction To Activated Sludge Study Guide

A term to describe the biological treatment of ,wastewater,. ,Activated sludge, is a type of secondary treatment. Secondary treatment provides a ,high, level of removal of biodegradable ,organic, pollutants to protect receiving water quality that clarification alone cannot provide. A process to reduce the ,concentration, of suspended matter in water.

Apparatus for the removal of heavy metals from acidic ...
Apparatus for the removal of heavy metals from acidic ...

An apparatus for removing ,high, concentrations of heavy metals from ,acidic wastewater, comprising: (a) a chemical storage tank containing a 50% solution of sodium hydroxide (NaOH); (b) a first conditioning tank connected to said chemical storage tank to receive said sodium hydroxide and then mix said sodium hydroxide with said ,acidic wastewater, to increase a pH level of said ,acidic wastewater, to ...

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

• ,High, levels of toxic ,organic, compounds that are associated with oily ,wastewater, and solvents ... Because pH is simply another means of referring to the hydrogen ion ,concentration,, ,acidic, and basic solutions can be distinguished on the basis ... 2. Protect the ,wastewater, infrastructure from corrosion, especially from ,acidic wastewater,. 3.

Copper removal from industrial wastewater: A comprehensive ...
Copper removal from industrial wastewater: A comprehensive ...

25/12/2017, · During the past few years, carbonaceous nanofibers (CNFs) and, graphene oxide, (GO) have been, used, to remove, copper, from industrial, wastewater,. CNFs can be produced via hydrothermal carbonization (HTC) using any precursor such as glucose.

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Usually phenolic ,wastewater, with a mass ,concentration, of 1000mg/L is called ,high,-,concentration, phenol-containing ,wastewater,, and this kind of ,wastewater, must be recovered after treatment. The phenol-containing ,wastewater, with a mass ,concentration, of less than 1000 mg/L is called a low ,concentration, phenol-containing ,wastewater,.

Copper loaded on activated carbon as an efficient ...
Copper loaded on activated carbon as an efficient ...

copper, copper oxide, and cuprous oxide. The Cu-AC was used to treat five kinds of, dyes, in wastewaters. (Rhodamine B, MB, Amaranth, Congo red, and Eosin-Y). Comparing the adsorption capacity of these five. dye wastewaters, it was proven that copper and copper oxides have photocatalytic degradation ability.

Arsenic removal from highly-acidic wastewater with high ...
Arsenic removal from highly-acidic wastewater with high ...

A synergistic combination of chloride and copper powder was proposed as a new method to reductively remove arsenic from highly-,acidic wastewater with high arsenic content, (HAWA). As(III) was reduced to As(0) by copper powder in the presence of chloride and were effectively removed from HAWA. The procedure to remove arsenic was optimized as follows: initial H ,concentration, of

Treatment of Cheese Processing Wastewater by ...
Treatment of Cheese Processing Wastewater by ...

reactor, anaerobic sludge blanket reactor, anaerobic filters, of ,high concentration, of Na and Cl is due to the use of etc. [6]. Oftentimes the post-treatment of dairy ,wastewater, large amount of alkaline cleaners in dairy plant [5]. is also done using the physicochemical …

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · CWAO makes a promising technology for the treatment of refractory organic pollutants (phenolic compounds, carboxylic acids, N-containing compounds) in industrial wastewaters, such as Olive oil mill ,wastewater,, Kraft bleaching plant effluents, Coke plant ,wastewater,, Textile ,wastewater,, Alcohol-distillery ,wastewater,, Landfill leachate, Pulp and paper bleaching liquor, Heavily organic halogen polluted industrial ,wastewater, …

Acid mine drainage - Wikipedia
Acid mine drainage - Wikipedia

14/6/2004, · ,Acid, mine drainage, ,acid, and metalliferous drainage, or ,acid, rock drainage is the outflow of acidic water from metal mines or coal mines. ,Acid, rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks containing an abundance of sulfide minerals. Areas where the earth has been disturbed may create ,acid, …

Removal of Organic Matter from Wastewater by Activated ...
Removal of Organic Matter from Wastewater by Activated ...

Abstract—,Wastewater, is the by-product of municipal, agricultural and industrial activity. The chemical composition of ,wastewater, reflects the origin from which it came. Removal of ,organic, matter from ,wastewater, is essential so that treated water can meet the acceptable quality standards to …

Chapter 3: Advanced Wastewater Treatment for Nitrogen Removal
Chapter 3: Advanced Wastewater Treatment for Nitrogen Removal

most of the ,organic, nitrogen in sanitary ,wastewater, ... region of ,high, solute ,concentration, through a membrane to a region of low solute ,concentration, by applying a pressure in ... Strongly ,acidic, functional groups derived from strong acids, e.g., R-SO 3 H (sulfonic)

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