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Principle of treating acid chromium containing wastewater by electrolysis

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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Principle of treating acid chromium containing wastewater by electrolysis
Detecting gas hazards in the water and wastewater industries
Detecting gas hazards in the water and wastewater industries

25/10/2012, · ,The water and wastewater industries produce, many toxic and flammable gases that need to be detected and eliminated. The gas hazards vary considerably depending on the application, location and treatment process, but the solution is always the same – a combination of fixed and portable gas detectors.

WWJMRD 2018; 4(3): 12-15 Dairy Industry and Sewage Wastewater
WWJMRD 2018; 4(3): 12-15 Dairy Industry and Sewage Wastewater

Keywords Dairy, ,Wastewater,, processes, sources, effluent, characteristics, effect i. Introduction Water resource is becoming scarce for agriculture and also for meeting the demand of rapidly growing population and ,industries,. At the same time the quantum of industrial effluent is increasing soil pollution and environmental hazard.

WO2005009908A2 - System and method for treatment of acidic ...
WO2005009908A2 - System and method for treatment of acidic ...

A ,wastewater, treatment system comprising separation unit operations inhibits or promotes the formation and precipitation of species by controlling the pH of ,wastewater, to be treated entering into the separation unit operations. The separation unit operations include first and second reverse osmosis devices. The first reverse osmosis device treats ,wastewater, having pH that is less than about 3 ...

Microalgae wastewater treatment: Biological and ...
Microalgae wastewater treatment: Biological and ...

However, the parameters of industrial ,wastewater, can fluctuate widely, ranging from highly ,acidic, (2.0 < pH < 8.0) to extreme temperatures (>40°C for process ,industries,, e.g. fermentation residues of bioenergy industry, <10°C in the food processing industry) and high organic loads (>100 g L −1 in fruit processing), which is not compatible with the physiology of most conventional …

Sources of industrial wastewater
Sources of industrial wastewater

Industrial ,wastewater, treatment describes the processes used for treating ,wastewater, that is produced by ,industries, as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most ,industries produce, some ,wastewater,.Recent trends have been to minimize such production or ...

Sources and Treatment of Wastewater in the Nonferrous ...
Sources and Treatment of Wastewater in the Nonferrous ...

----- SOURCES OF ,ACIDIC WASTEWATER, IN THE NONFERROUS METALS INDUSTRY The sources of ,wastewater, in the primary and secondary copper, lead, and zinc ,industries, are listed in Table 4. In the primary industry, waste- water emanates from: • mining, • c oncent rat ing, • smelting, • refining, and • air pollution control.

What Role Does CO2 Wastewater Treatment Play in Industry ...
What Role Does CO2 Wastewater Treatment Play in Industry ...

Treating Industrial Wastewater Presents Several Challenges. Wastewater is considered treated, when it can be returned to the environment without causing the kind of harm described above., In the vast majority of cases, this treatment occurs on-site. Doing so is essential, writes Trimuvate’s Elise Musumano. But it isn’t easy.

Water Use in the Leather Industry | Fluence
Water Use in the Leather Industry | Fluence

1/12/2018, · In an industry with high water consumption, researchers say best practices include reduce-reuse-recycle. With care, leather goods tend to be tougher a1nd more durable than nylon, canvas, or various imitation leather products, but their desirability transcends function and enters the world of beauty and style.

Effluent Treatment Plant Design Operation And Analysis Of ...
Effluent Treatment Plant Design Operation And Analysis Of ...

Most ,industries produce, somewet waste although recent trends in ... many industriesremain dependent on processes that ,produce, wastewaters.So, ,industries produce wastewater,, otherwise known as effluent ... as themicroorganisms used in biological treatment require a pH in the range of 6-8 and will bekilled by highly ,acidic, or alkali ,wastewater,.

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

In this article we will discuss about the methods and procedures to treat and control ,wastewater from iron and steel, industry. ADVERTISEMENTS: The iron and steel industry, as treated here, includes pig iron production, steel making, rolling operations and those finishing operations common in steel mills, i.e. cold reduction, tin plating and galvanising. Most steel […]

Removal of chloride ions from strongly acidic wastewater us
Removal of chloride ions from strongly acidic wastewater us

Strongly ,acidic wastewater,, which is usually generated from non-ferrous metal smelting ,industries,, has the ability to be recycled as sulfuric acid. Before this ,wastewater, is recycled, the removal of chloride ions is necessary to improve the quality of the recycled sulfuric acid.

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · ,Wastewater,, or sewage, originates from human and home wastewaters, industrial wastes, animal wastes, rain runoff, and groundwater infiltration. Generally, ,wastewater, is the flow of used water from a neighborhood. The ,wastewater, consists of 99.9% water by weight, where the remaining 0.1% is suspended or dissolved material.

Wastewater treatment for semiconductor production
Wastewater treatment for semiconductor production

Large quantities of hydrofluoric acid (HF) are required for the etching processes during production and are later found in the waste water. Before waste water can be discharged or reused, hydrofluoric acid and its salts must be removed. The waste water is treated by, precipitation, and, flocculation.

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

The test for pH value of ,wastewater, is carried out to determine whether it- is ,acidic, or alkaline in nature. Fresh sewage is generally alkaline in nature, (its pH value between 7.3 to 7.5). However, as the time passes, pH value tends to fall due to production of acids by bacterial action, and the sewage tends to become ,acidic,.

How to Treat Wastewater from Fertiliser Industry? | Waste ...
How to Treat Wastewater from Fertiliser Industry? | Waste ...

Whenever available retention pond capacities in the phosphate fertiliser industry are exceeded, the waste-water overflows are treated and, discharged to nearby surface water bodies., The range of waste­water characteristics and concentrations for typical retention ponds used by the phosphate fertiliser industry.

How to Choose a pH Adjustment System
How to Choose a pH Adjustment System

Many industrial processes ,produce wastewater, that is either too ,acidic, or too alkaline to be discharged into the public sewer. In such cases, a low cost, reliable ,pH adjustment, solution like the fully automated, skid mounted systems offered by Wastech Controls & Engineering could bring the …

What is Industrial Wastewater & Where Does it Come From?
What is Industrial Wastewater & Where Does it Come From?

One of the most common by-products of industrial or commercial activities is industrial wastewater, i.e., the water that was used to make commercial products across every industry in nearly all phases of production. Once this process water has been used, it is considered waste and needs to be treated, before it is discharged.

Industrial Wastewater Treatment - an overview ...
Industrial Wastewater Treatment - an overview ...

Activated carbon, is the most common adsorbent in use for industrial wastewater treatment. Other adsorbents include synthetic resins,, activa,ted alumina, silica gel, fly ash, shredded tires, molecular sieves, and sphagnum peat. Because adsorption is a surface phenomenon, a desirable characteristic of an adsorbent is a high surface-to-volume ratio.

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