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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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acidic gas field fracturing flow-back fluids discharge symptoms
Treatment of Textile Wastewater by Electro-coagulation and ...
Treatment of Textile Wastewater by Electro-coagulation and ...

In the present study, removal characteristics of Cu (II) ion from ,waste water, using fly ash – a low cost adsorbent has been studied. Environment friendly ,wastewater, treatment method is the biggest challenge faced by textile industries. Water system

Part 3 Examples of Food Processing Wastewater Treatment
Part 3 Examples of Food Processing Wastewater Treatment

Wastewater, volume 4,000 m 3/d, hourly peak flow 300 m /h ,Wastewater, qualities BOD 400 mg/ℓ (daily average) pH 5.8~11.0 SS 50~70 mg/ℓ Effluent qualities BOD 30 mg/ℓ (daily average) pH 7.0~8.0 SS 20~30 mg/ℓ 2. Process As this factory was located in an area where the …

Adsorption of acid dyes from aqueous solution on activated ...
Adsorption of acid dyes from aqueous solution on activated ...

Properties of activated ,bleaching, earth used in this study a Properties Values Chemical composition (%) Loss on ignitionb 4.24–10.27 SiO2 73.49–78.16 Al2O3 6.94–10.63 Fe2O3 1.53–4.45 MgO 1.19–2.84 CaO 0.19–0.92 pH (10% suspension) 2.5–3.5 Moisture (%, loss on drying at 100 C) 7.0–9.0 Residual ,acidity, (KOH mgg−1)0.5–1.5 Physical properties

pH -an index of Hydrogen's chemical activity in a solution ...
pH -an index of Hydrogen's chemical activity in a solution ...

pH is a Log Scale Unit of Measure, and is used to express the degree of ,acidity, of a substance. Values will range from pH 1 to pH 2 for strong acids, through pH 7 for neutral solutions such as ultra pure water, on up to values of pH 11 and higher for very strong bases like …

Sewage treatment: papermaking wastewater treatment-filter ...
Sewage treatment: papermaking wastewater treatment-filter ...

The middle of the water pollution is the most serious ,bleaching, process of chlorine ,wastewater, generated, such as chlorinated bleach ,wastewater,, hypochlorite ,bleaching wastewater,. In addition, bleach waste contains highly toxic carcinogens dioxin, but also on the ecological environment and human health poses a serious threat.

Source Industry grade calcium hydroxide treatment of ...
Source Industry grade calcium hydroxide treatment of ...

Industry grade calcium hydroxide treatment of acidic ,wastewater,, You can get more details about from mobile site on m.alibaba.com $80.00 - $90.00 Min. Order : 25 Tons

Technologies for Reducing Chlorinated Organics in Pulp ...
Technologies for Reducing Chlorinated Organics in Pulp ...

compounds and the volume of ,wastewater, produced by chlorine ,bleaching,, the chlorination stage is the focal point for efforts to control pollution resulting from the manufacture of pulp. There are several possible approaches to reducing the amount of ... -optimize the ,acidity, ...

Utilization of calcium enriched solid waste streams to ...
Utilization of calcium enriched solid waste streams to ...

In this specifc case, the total COD reduction in WWTP was found to increase from 65% to 80%, when ACRP was addressed to alkaline ,bleaching, fltrates. ACRP would also reduce the need for ,wastewater, neutralization caused by the ,acidity, of current wastewaters.

Technologies for Reducing Chlorinated Organics in Pulp ...
Technologies for Reducing Chlorinated Organics in Pulp ...

compounds and the volume of ,wastewater, produced by chlorine ,bleaching,, the chlorination stage is the focal point for efforts to control pollution resulting from the manufacture of pulp. There are several possible approaches to reducing the amount of ... -optimize the ,acidity, ...

Textile Effluent –An Introduction
Textile Effluent –An Introduction

heat, colour, ,acidity,, and other soluble substances whose chemistry will be emphasised. Stages ,of ... Bleaching,: Chlorine ,bleaching, caused itichingand is harmful. ... • Treatment of ,wastewater, – will definitely reduce the waste, prevent and make positive ...

Impact of textile wastewater pollution on the environment ...
Impact of textile wastewater pollution on the environment ...

31/8/2018, · The ,wastewater, becomes the main source of pollution of the environment. It pollutes the surface and subsurface water, soil and air. Today its proper management and remedial measures such as disposal systems have become the most serious challenges all over the world, including Pakistan. Impacts of textile ,wastewater, on the environment

The Acid Activation of Some Bentonite Clays. | The Journal ...
The Acid Activation of Some Bentonite Clays. | The Journal ...

Removal of Cu(II) and Zn(II) from industrial ,wastewater, by acid-activated montmorillonite-illite type of clay. Comptes Rendus Chimie 2010, 13 (11) , 1359-1363. https://doi.org/10.1016/j.crci.2010.05.024; John U. Kennedy Oubagaranadin, Z. V. P. Murthy.

EFFECTS OF WASTE WATER FROM TEXTILE INDUSTRIES ON ...
EFFECTS OF WASTE WATER FROM TEXTILE INDUSTRIES ON ...

fibre and finished products, ,bleaching,, ... The ,wastewater, produced by the textile industries release their effluents into ... 2010). Therefore, the ,acidity, of Karnafuli River is increasing day by day, which makes it difficult to use the water as irrigation purpose, drinking purpose

Sewage treatment: papermaking wastewater treatment-filter ...
Sewage treatment: papermaking wastewater treatment-filter ...

The middle of the water pollution is the most serious ,bleaching, process of chlorine ,wastewater, generated, such as chlorinated bleach ,wastewater,, hypochlorite ,bleaching wastewater,. In addition, bleach waste contains highly toxic carcinogens dioxin, but also on the ecological environment and human health poses a serious threat.

Chemical Oxidation Techniques | EMIS
Chemical Oxidation Techniques | EMIS

Chemical, oxidisation involves adding or generating oxidants in the ,wastewater,. A few currently used oxidants include ozone (O 3), hydrogen peroxide (H 2 O 2), natriumhypochlorite or ,bleaching, liquor (NaOCl), chlorine dioxide (ClO 2), chlorine gas (Cl 2), peroxy acetic acid (C 2 H 4 O 3) and pure oxygen (O 2). Combinations of oxidants are also ...

Assessment of Textile Industrial Effluent by Wastewater ...
Assessment of Textile Industrial Effluent by Wastewater ...

Wastewater, Quality Standards. Aijaz Panhwar, Khalida Faryal, Aftab Kandhro, Sofia Qaisar. Abstract- The current study was conducted in textile industrial city Karachi, Pakistanto assess the impacts of , textile industries ,wastewater, focusing on physico-chemical parameterssuch as temperature, color, pH, total hardness, biological oxygen demand,

Extraction and bleaching of olive tree branch cellulose ...
Extraction and bleaching of olive tree branch cellulose ...

On the other hand, upon incorporating a higher initial TEA-HCl concentration to the ,bleaching, medium, there was a sudden increase in the ,bleaching, bath ,acidity,, which in turn led to very fast and uncontrollable sodium chlorite decomposition in the very early stage of the ,bleaching, duration without a real ,bleaching, effect on the olive tree branch cellulose.

A Review on Textile Wastewater Characterization in Bangladesh
A Review on Textile Wastewater Characterization in Bangladesh

1/5/2015, · A comparison of ,Textile wastewater, characterization of different countries is necessary to understand the ,Textile wastewater, quality of Bangladesh. A comparison is focused in Table 9. The data compiled based on literature in Table 9 include experimental values of important parameters pH, COD, BOD and SS of ,Textile, effluents of China, India, Pakistan and Bangladesh.

Chemical Oxidation Techniques | EMIS
Chemical Oxidation Techniques | EMIS

Chemical, oxidisation involves adding or generating oxidants in the ,wastewater,. A few currently used oxidants include ozone (O 3), hydrogen peroxide (H 2 O 2), natriumhypochlorite or ,bleaching, liquor (NaOCl), chlorine dioxide (ClO 2), chlorine gas (Cl 2), peroxy acetic acid (C 2 H 4 O 3) and pure oxygen (O 2). Combinations of oxidants are also ...

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