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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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Flocculation and wastewater treatment | Cleanawater
Flocculation and wastewater treatment | Cleanawater

Regulations require ,treated wastewater, to be in a neutral pH range when discharged into the environment. Our dosing systems ,can, be set-up as in-line or in a recirculating configuration. Both alkaline or ,acid, dosing are available to correct for low or high pH respectively.

TREATING INDUSTRIAL WASTEWATER – Flexi Systems
TREATING INDUSTRIAL WASTEWATER – Flexi Systems

Our Chromic ,Acid, Purification System ,can, purify aged chromic ,acid, and achieve 90% removal rate by using a unique type of resin in the ion exchange process. The purified chromic ,acid can, be reused again for production processes if required. Note however that System is not suitable for chromic ,acid, coarsening process.

Recent Development in Ammonia Stripping Process for ...
Recent Development in Ammonia Stripping Process for ...

The system also comprised of a heater to heat the ,wastewater, at 38°C and ammonia recovery via absorption with sulphuric ,acid,. Lastly, the effluent was neutralized after adding sulphuric ,acid,. As a result, they found that the ammonia stripping system for groundwater polluted with leachate displayed removal efficiency of 95.4% with initial ammonia concentration at 199.0 mg/L.

How to Treat Wastewater from Pesticides Industry?
How to Treat Wastewater from Pesticides Industry?

Parathion waste ,can be treated, successfully biologically on combination with domestic waste. 2, 4-D ,wastewater can be treated, biologically provided that dilution and nutrient requirements are satisfied. The bacterial enzymes activate the degradation of 2, 4-D, 2-CPA, 4-CPA and MCPA.

Minerals | Free Full-Text | Study on Chromaticity Removal ...
Minerals | Free Full-Text | Study on Chromaticity Removal ...

Salicylic hydroxamic ,acid, is a novel flotation reagent used in mineral processing. However, it impacts the flotation ,wastewater, leaving behind high chromaticity which limits its reuse and affects discharge for mining enterprises. This study researched ozonation catalyzed by the granular activated carbon (GAC) method to treat the chromaticity of the simulated mineral processing ,wastewater, with ...

Effects of microplastics on wastewater and sewage sludge ...
Effects of microplastics on wastewater and sewage sludge ...

15/2/2020, · ZnCl 2, NaI and CaCl 2 can be used to extract microplastics from sludge. They all rely on density-based extraction techniques, which use density differences between sludge and microplastics to separate them. When sludge samples are placed in high density salt solution, plastic particles tend to float to the surface of the solution, while denser sludge materials remain at the bottom of the ...

Aerobic vs. Anaerobic Treatment in Wastewater Systems ...
Aerobic vs. Anaerobic Treatment in Wastewater Systems ...

A Focus on Anaerobic Treatment There are 2 major types of systems used for ,wastewater, treatment: aerobic and anaerobic systems. Each has different uses along with pros and cons. This particular article focuses on anaerobic treatment. Aerobic treatment is the focus of a companion article written by EBS. Anaerobic Treatment Anaerobic treatment is a process where […]

Extraction and recovery of lithium | Industrial wastewater ...
Extraction and recovery of lithium | Industrial wastewater ...

Condorchem Envitech offers comprehensive industrial ,wastewater, and industrial air emissions treatment solutions. ... can be achieved by reacting with hydrochloric ,acid,: ... recovery of lithium from brines with a content of less than 1% in the presence of high concentrations of other ,alkaline and alkaline, earth ions is an industrial objective.

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.

(PDF) Standard Methods For the Examination of Water and ...
(PDF) Standard Methods For the Examination of Water and ...

Standard Methods For the Examination of Water and Wastewater,, 23nd edition, 2017. Toan Tran. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 32 Full PDFs related to this paper. READ PAPER. ,Standard Methods For the Examination of Water and Wastewater,…

Soil Physical and Chemical Properties | NRCS New Jersey
Soil Physical and Chemical Properties | NRCS New Jersey

30/1/2014, · Using the Munsell system, ,color, is described in reference to the ,color,’s “hue”, “value”, and “chroma”. Hue describes where in the ,color, spectrum the ,soil color, exists, which for soils includes the colors yellow, red, blue, green, and gray. Value describes the lightness of the ,color,. Chroma indicates the strength of the ,color,.

12 List of Chemicals Used in Wastewater Treatment Plants ...
12 List of Chemicals Used in Wastewater Treatment Plants ...

In ,wastewater treatment, plant, sodium hydroxide has some functions such as ph stabilizer, metal precipitant ,and alkaline, cleaner. The combination of sodium, hydrogen,and dioxide makes this chemical works well for ,wastewater treatment, especially for the critical waste and potentially pollutant one.

Characteristics of Waste-Water (Unit-I)
Characteristics of Waste-Water (Unit-I)

It is thus an indicator of the acidity or the alkalinity of sewage. If the pH value is less than 7, the sewage is acidic and if the pH vale is more than 7, the sewage is ,alkaline,. • The fresh sewage is ,alkaline,, with passed of time pH tends to fall due to production ,of acid, by …

7 Basic Principles of Industrial Wastewater Treatment ...
7 Basic Principles of Industrial Wastewater Treatment ...

Wastewater, containing highly toxic substances, such as some heavy metals, radioactive substances, a high concentration of phenol and cyanide ,wastewater,. That should be separated from other ,wastewater, for processing and recycling of useful substances. The ,wastewater, with the large flow and light pollution should be properly ,treated, and recycled.

Wastewater Disinfection with Peracetic Acid (PAA) and UV ...
Wastewater Disinfection with Peracetic Acid (PAA) and UV ...

UV-based disinfection system, one of the most commonly used for ,wastewater, disinfection. There are two major benefits of using UV for ,wastewater, disinfection over chemical disinfectants. One, it does not form any disinfection byproducts (DBPs) and, two, it does not produce/leave any chemical residuals in the ,treated, …

Industrial Wastewater: What is It & Where Does It Come From?
Industrial Wastewater: What is It & Where Does It Come From?

The commercial textile services industry processes some 15 billion pounds of laundry per year and the ,wastewater, generated from such uniforms, towels, floor mats and the like is filled with oil and grease, lint, sand, grit, heavy metals and VOCs, that must ,be treated, before it ,can, …

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