Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

Office supplies for fracturing flowback fluid experiment

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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

Office supplies for fracturing flowback fluid experiment
Removing Heavy Metals from Wastewater | Products Finishing
Removing Heavy Metals from Wastewater | Products Finishing

14/8/2018, · Additionally, the ,metal, concentrations are too ,high, to discharge to the local publicly owned treatment works (POTW). Nickel is a hazardous constituent and is not exempted. The addition of wastewaters from the zinc/nickel process will cause your filter press cake to become a “listed” RCRA hazardous waste with the F006 designation, resulting in significant increases to your disposal and …

Electronic Industry Waste Water - SlideShare
Electronic Industry Waste Water - SlideShare

Because of the many chemicals ,used, in the electronics ,industry, for numerous processes, ,wastewater, generation is quite ,high, in this ,industry,. Waste may include- organic and inorganic wastes, acids and alkalis, heavy metals, oil and grease, biological wastes, etc. Organic waste is collected separately from ,wastewater, systems.

Fifteen industrial wastewater treatment processes | LCDRI CN
Fifteen industrial wastewater treatment processes | LCDRI CN

The treatment of paper ,industry wastewater, should focus on increasing the recycling rate, ... Cyanide-,containing wastewater,. Cyanide-,containing wastewater, mainly comes from electroplating, gas, coking, ... The principle of treating ,acid, and alkali ,wastewater, is: ,High,-,concentration acid,-base ,wastewater, should be recycled in priority.

What chemicals are used and controlled in primary ...
What chemicals are used and controlled in primary ...

Certain acidic chemicals ,used, to lower ,wastewater, pH are: Sulfuric ,acid, (H2S0 4) is the cheapest and most readily available. It is strongly corrosive, dense, oily and clear or dark brown (depending on purity). Sulfuric ,acid, should be of the USP (United States Pharmaceutical) grade, free of heavy metals. It is available in a number of grades ...

Control of Pollution in the Chemical Industry
Control of Pollution in the Chemical Industry

However, their ,concentration, is much lower, than it is the case of combustion processes. Release of particulate from the ,used, catalyst is possible too. 2.3. Solid Waste The main source of solid waste in sulfuric ,acid, production is the spent catalyst, ,containing, vanadia. The first layer of catalyst is mostly subjected to destruction and

Minerals | Free Full-Text | Release Behaviors of Arsenic ...
Minerals | Free Full-Text | Release Behaviors of Arsenic ...

To further confirm the oxidation of the sulfuric ,acid, of the sludge, a water-eluting ,acid, was designed to simulate the test and observe the change of the release ,concentration, of ,arsenic,. Figure 6 b shows the variation of the release ,concentration, of ,arsenic, from the ASS after elution (L:S = 10:1, cleaned three times with deionized water) in different atmospheres.

Toxic heavy metal - Wikipedia
Toxic heavy metal - Wikipedia

A ,toxic heavy metal, is any relatively dense metal or metalloid that is noted for its potential toxicity, especially in environmental contexts. The term has particular application to cadmium, mercury and lead, all of which appear in the World Health Organization's list of 10 chemicals of major public concern. Other examples include manganese, chromium, cobalt, nickel, copper, zinc, silver ...

Effect of metal ions on humic acid fouling of hollow fiber ...
Effect of metal ions on humic acid fouling of hollow fiber ...

1/7/2011, · These results suggest that the ,concentration of metal ions, is a critical factor for humic ,acid, fouling, and that ,high, Ca 2+ ,concentration, makes the fouling more irreversible. Download : Download ,high,-res image (308KB) Download : Download full-size image; Fig. 4. Effect of different Ca 2+ concentrations on the water flux and the rejection during filtration

pH in Wastewater Treatment - Advanced Chemical Systems
pH in Wastewater Treatment - Advanced Chemical Systems

8/8/2014, · In acidic (pH<7) water there is a high concentration of positive, hydrogen, ions while in neutral water, the concentration of, hydrogen, and, hydroxide, ions is balanced. Basic (pH>7) water contains an excess of negative, hydroxide, ions. A small pH a control system Consult pH …

The method of extracting arsenic from solutions
The method of extracting arsenic from solutions

The solution ,containing, arsenite and/or arsenate ions in contact with granulated with binder perchlorovinyl-hydroxide of titanium, calcined phosphate ion form at a molar ratio of P(V) Ti(IV) (0,7-1,4):1, then regenerate the sorbent at an elevated temperature with a solution ,containing, sulfuric ,acid,, then transferred ,arsenic, in the solid phase by treatment of the eluate sulphide-,containing, ...

Arsenic removal from water/wastewater using adsorbents—A ...
Arsenic removal from water/wastewater using adsorbents—A ...

Arsenic, removal technologies were reviewed ([9,26,27, 34–53,576]). The major ,arsenic, removal technologies are com-pared in Table 2. Most remediation methods discussed more effectively remove ,arsenic, from water ,containing high, initial ,arsenic, concentrations (usually >100mg/L) but residual ,arsenic, …

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

Chemical precipitation treatment of ,high concentration wastewater, is difficult, often combined with ion exchange. First, the chemical precipitation method is used to reduce the content of heavy ,metal ions, to about 5 mg/L, and then the ion exchange method is used to reduce the heavy ,metal ions, to the discharge standard. 4. Electrolysis

Lesson 8: Nitrification and Denitrification
Lesson 8: Nitrification and Denitrification

A dissolved oxygen ,concentration, of 2 mg/L should be maintained. Keeping ,high, concentrations of substances known to be toxic to the autotrophs such as excessively ,high, ammonia concentrations or toxic heavy ,metal ions, such as copper and chromium out of the ,wastewater, entering the system.

Arsenic | As - PubChem
Arsenic | As - PubChem

Arsenic, is a naturally occurring allotropic pnictogen and metalloid trace element with atomic symbol As, atomic number 33, and atomic weight 74.92 that is found in water, air, food, and soil, and has a role as a micronutrient. ,Arsenic,, which is highly toxic with acute or chronic exposure to moderate or ,high, levels through an unknown mechanism of action, ,is used, in many industrial processes, as ...

Metal Finishing Wastewater Treatment Overview
Metal Finishing Wastewater Treatment Overview

Metal, Finishing WWT Examples of Physical Treatment • Ion Exchange – A charged media attracts contaminants and exchanges them for less toxic ,ions,. • Electro-dialysis – Ionic components are separated through a semi-permeable ion-selective membrane with the aid of electrical potential between two electrodes. • Ultra-filtration

Physicochemical properties of arsenic-bearing lime ferrate ...
Physicochemical properties of arsenic-bearing lime ferrate ...

of the most widely ,used, methods for ,arsenic,-,containing wastewater, treatment in practice of non-ferrous smelting ,industry, because of its low cost and simple operation. However, this process generates a large amount of toxic ,arsenic,-rich neutralization sludges, which are classified as a hazardous waste due to their ,high arsenic, and other

EURECA 2013 - Arsenic Biological Interaction Kinetics in ...
EURECA 2013 - Arsenic Biological Interaction Kinetics in ...

Keywords— Coal-fired power plant, microbiology, fly ash, ,arsenic,, ,wastewater, 1. Introduction Human activities that reclaim ,arsenic, (As) ,containing, natural resources caused the As compound to be unleashed to the environment. One of the biggest contributors is the combustion of coal in power generation ,industry,.

PCB circuit board factory wastewater treatment - Shenzhen ...
PCB circuit board factory wastewater treatment - Shenzhen ...

In the PCB board industry, wastewater, treatment method, the electrolytic treatment of high-concentration circuit board, wastewater, can reduce the content of, heavy metal ions,, and the purpose is the same as the chemical precipitation method.

Wastewater containing relatively higher concentration of ...
Wastewater containing relatively higher concentration of ...

However, in, acidic waste water, the adsorption of, heavy metals, on particles/surfaces (and thus susceptible to sedimentation) will generally be lower, causing the, concentrations, that remain in...

Electrochemical recovery and high value-added ...
Electrochemical recovery and high value-added ...

E-reduction is a common method for recovering metals from ,wastewater,, which involves ,high,-valence ,metal ions, receiving electrons and then converting into lower-valence states or even ,metal, atoms. E-reduction can recycle heavy ,metal ions, with elemental ,metal, forms, thus freeing active sites and constantly regenerating the filter.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City