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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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Poultry keratin based decolorants for dyeing wastewater ...
Poultry keratin based decolorants for dyeing wastewater ...

acidic, dyeing ,wastewater,. In contrast, the results for MKA were completely different, with the optimum performance obtained in the neutral to ,alkaline, range (pH from 6 to 12), indicating that MKA was suitable for treating neutral ,or alkaline wastewater,. When the pH was lower than the isoelectric point of KA, its amine groups were protonized to

HRSG – Critical Feedwater Chemistry Control | Power ...
HRSG – Critical Feedwater Chemistry Control | Power ...

The hydrogen ions then associate with any trace amounts of chloride and sulfate to produce a very dilute ,acidic, ... ,Chemical, Engineering ... ,wastewater, supervisor at a ,chemical plant, ...

Chemical plants benefit from a mix of chemical metering ...
Chemical plants benefit from a mix of chemical metering ...

They require almost 3 pounds of water for every pound of ,chemical, produced, and more than 70 percent of this water must be cleaned and treated before it can be discharged, after being used only once. Properly managing water and ,wastewater, treatment can produce savings of 1 to 2 percent annually, which, for companies like DowDuPont or BASF, can add up to millions of dollars each year.

How Changing River Chemistry Is Affecting Eastern U.S ...
How Changing River Chemistry Is Affecting Eastern U.S ...

Over time spans of 25 to 60 years, two-thirds of the rivers had become significantly more ,alkaline, and none had become more ,acidic,. Alkalinity is a measure of water’s ability to neutralize acid. In excess, it can cause ammonia toxicity and algal blooms, altering water quality and harming aquatic life.

Uses / Real-world examples - OHR AERATOR & OHR MIXER | OHR ...
Uses / Real-world examples - OHR AERATOR & OHR MIXER | OHR ...

acidic, and ,alkaline, regions due to inadequate mixing. It’s very difficult to adjust the pH as needed. The liquid and the pH adjusting agents are completely and uniformly mixed in the OHR MIXER, so rapid-wide pH fluctuations due to inadequate mixing can be minimized. …

China treats polluted water after chemical plant blast
China treats polluted water after chemical plant blast

31/3/2019, · The ,acidic wastewater, was from a pit formed after the explosion, which measures about 120 meters in diameter and 1.7 meters in depth.

Determining the Effect of Carrier Water pH and Bicarbonate ...
Determining the Effect of Carrier Water pH and Bicarbonate ...

Plant, growth regulators were categorized as ,acidic,, neutral, or basic in reaction based on the change of the carrier water pH on their addition. Benzyladenine, chlormequat chloride, gibberellic acid, and gibberellic acid/benzyladenine acted as weak acids when added to RO water, whereas daminozide, ethephon, and uniconazole reduced final solution pH from 1.25 to 5.75 pH units.

China treats polluted water after chemical plant blast ...
China treats polluted water after chemical plant blast ...

30/3/2019, · The ,acidic wastewater, was from a pit formed after the explosion, which measures about 120 meters in diameter and 1.7 meters in depth. The polluted water was first neutralized with ,alkaline, substances and then transported through pipelines to the said facilities, before being treated later, said the rescue headquarters.

(PDF) Biological Corrosion in the Sewage System and the ...
(PDF) Biological Corrosion in the Sewage System and the ...

In the nitrification basins of ,wastewater, treatment plants, deterioration of the concrete surface can occur due to acid attack caused by a nitrifying biofilm covering the concrete.To identify the ...

Determining the Effect of Carrier Water pH and Bicarbonate ...
Determining the Effect of Carrier Water pH and Bicarbonate ...

Plant, growth regulators were categorized as ,acidic,, neutral, or basic in reaction based on the change of the carrier water pH on their addition. Benzyladenine, chlormequat chloride, gibberellic acid, and gibberellic acid/benzyladenine acted as weak acids when added to RO water, whereas daminozide, ethephon, and uniconazole reduced final solution pH from 1.25 to 5.75 pH units.

Poultry keratin based decolorants for dyeing wastewater ...
Poultry keratin based decolorants for dyeing wastewater ...

acidic, dyeing ,wastewater,. In contrast, the results for MKA were completely different, with the optimum performance obtained in the neutral to ,alkaline, range (pH from 6 to 12), indicating that MKA was suitable for treating neutral ,or alkaline wastewater,. When the pH was lower than the isoelectric point of KA, its amine groups were protonized to

2-NITROTOLUENE
2-NITROTOLUENE

of toluene with an aqueous ,acidic, mixture of ... air of a ,chemical, manufacturing ,plant, in New 3, and at concentrations up to 2 mg/m. 3 ... Nitrotoluene-manufacturing ,plant Wastewater, – acid ,Wastewater, – ,alkaline, 87 000–102 000 53 000–80 000 Swaminathan . et al.

Fuel Fluid and Boiler Water Treatment Chemical ...
Fuel Fluid and Boiler Water Treatment Chemical ...

A De-Scaling Chemicalsorchemical descaleris a ,chemical, substance used to remove lime scale from metal surfaces in contact with hot water, such as in boilers,water heaters, and kettles.De-scaling Chemicals agents are typically ,acidic, compounds such as hydrochloric acid that react with the ,alkaline, carbonate compounds present in the scale, producing carbon dioxide gas and a soluble salt.Strongly ,acidic, …

Polyolefin materials in industrial pipe applications
Polyolefin materials in industrial pipe applications

toSO/TR I 10358). Indeed ,acidic or alkaline, based industrial solutions, hydrocarbon baseduels, f detergents and other cleaning solutions are stored, transported and soldnipes, i p vessels or packaging made of polyolefin materials. PP pipelines are particularly resistant to acids and can operate up to temperatures of 80-90°C.

China treats polluted water after chemical plant blast
China treats polluted water after chemical plant blast

31/3/2019, · The ,acidic wastewater, was from a pit formed after the explosion, which measures about 120 meters in diameter and 1.7 meters in depth.

HYGIENE & SANITATION IN FOOD INDUSTRY
HYGIENE & SANITATION IN FOOD INDUSTRY

Acidic, foaming disinfectant based on peracetic acid and hydrogen peroxide. Effectively and fast kills all types of bacteria and viruses. Stable foam provides the prolonged contact with equipment and surfaces. DEZ-343 ,Alkaline, foaming disinfectant based on sodium hypochlorite. Used for disinfection of equipment and industrial premises.

Uses / Real-world examples - OHR AERATOR & OHR MIXER | OHR ...
Uses / Real-world examples - OHR AERATOR & OHR MIXER | OHR ...

acidic, and ,alkaline, regions due to inadequate mixing. It’s very difficult to adjust the pH as needed. The liquid and the pH adjusting agents are completely and uniformly mixed in the OHR MIXER, so rapid-wide pH fluctuations due to inadequate mixing can be minimized. …

China treats polluted water after chemical plant blast ...
China treats polluted water after chemical plant blast ...

30/3/2019, · The ,acidic wastewater, was from a pit formed after the explosion, which measures about 120 meters in diameter and 1.7 meters in depth. The polluted water was first neutralized with ,alkaline, substances and then transported through pipelines to the said facilities, before being treated later, said the rescue headquarters.

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