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Water quality characteristics of fracturing flowback fluid in Changqing Oilfield

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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Water quality characteristics of fracturing flowback fluid in Changqing Oilfield
One of the good book of Environmental Biotechnology
One of the good book of Environmental Biotechnology

Water, and ,Wastewater, 1 1.1 Hydrological Cycle 1 1.2 ,Wastewater, 1 1.3 Physical Parameters 3 1.3.1 Suspended ... The amount of oxygen consumed during microbial ,utilization, of organics is ... The volume, kind and ,quality of acid, or alkali to be neutralized are also factors in deciding which neutralizing agent is to be used. 2.3 ...

Key Issues for Water Quality Monitoring in the Zambezi ...
Key Issues for Water Quality Monitoring in the Zambezi ...

Zambezi River Basin is located in Southern Africa. It is essential for the economy of its eight riparian countries. The delta and almost 11% of its total catchment area are located in Mozambique. The main stream of the river receives a run-off contribution of 1800 m3/s in Mozambique and reaches the ocean with a flow of about 4100 m3/s. Coal mining is developing fast in the Zambezi River Basin ...

Lignin peroxidase functionalities and prospective ...
Lignin peroxidase functionalities and prospective ...

Furthermore, studies have shown that unburnt coal ,can, have negative effect on ,water quality, and the functioning of the aquatic ecosystem (Ahrens & Morrisey, 2005). Countries in the categorization of large coal producing, consuming, and/or exporting are confronted with the challenge of managing the impact of coal in the environment.

Jian Guo Yin | Scientific.Net
Jian Guo Yin | Scientific.Net

Journal of Biomimetics, Biomaterials and Biomedical Engineering Materials Science. Defect and Diffusion Forum

An overview of As(V) removal from water by adsorption ...
An overview of As(V) removal from water by adsorption ...

In addition, natural iron ores (goethite, hematite, etc) and ,manganese, ores (sodium ,manganese,, ,manganese, potassium, etc) also have good adsorption capacities for As(V) removal from ,water, [32]. Chen, et al. [33] took high-,quality, clay as the main material, and processed into flake, spherical or columnar shape by a series of processes.

Removal of dyes using agricultural waste as low-cost ...
Removal of dyes using agricultural waste as low-cost ...

Color removal from ,wastewater, has been a matter of concern, both in the aesthetic sense and health point of view. Color removal from textile effluents on a continuous industrial scale has been given much attention in the last few years, not only because of its potential toxicity, but also mainly due to its visibility problem. There have been various promising techniques for the removal of dyes ...

One of the good book of Environmental Biotechnology
One of the good book of Environmental Biotechnology

Water, and ,Wastewater, 1 1.1 Hydrological Cycle 1 1.2 ,Wastewater, 1 1.3 Physical Parameters 3 1.3.1 Suspended ... The amount of oxygen consumed during microbial ,utilization, of organics is ... The volume, kind and ,quality of acid, or alkali to be neutralized are also factors in deciding which neutralizing agent is to be used. 2.3 ...

engineerin - VETIVER
engineerin - VETIVER

Watershed Management to Meet ,Water Quality, Standards by Using the Vetiver System in Southern Guam (8/29/05. KB304) ,Water Quality, Improvement in ,Acid, Sulfate Soils, Queensland, Australia (KB 221 10/22/03) Wetland Research in Australia; Wallace Genetic Foundation - TVN/WGF - Research program in Australia - Progress Report. (KB 408 6/26/02)

Research of acid mine wastewater treatment technology
Research of acid mine wastewater treatment technology

main method. The basic principle is to input, neutralizer into acid wastewater,, to, make heavy metal ions and hydroxyl ions react,,, generate precipitation of hydroxide dissolution difficulty in, water, and, finally,, make, water, to purify wastewater meets emission, standard. When we use the method to deal with wastewater, we should know the

Treatment of High Concentration Acid Plasticizer ...
Treatment of High Concentration Acid Plasticizer ...

9/7/2020, · Using the, ozone, microbubble process to treat high-concentration acidic plasticizer wastewater is in line with the concepts of green, energy-saving, and environment friendly.

Lignin peroxidase functionalities and prospective ...
Lignin peroxidase functionalities and prospective ...

Furthermore, studies have shown that unburnt coal ,can, have negative effect on ,water quality, and the functioning of the aquatic ecosystem (Ahrens & Morrisey, 2005). Countries in the categorization of large coal producing, consuming, and/or exporting are confronted with the challenge of managing the impact of coal in the environment.

Applications of microalgal biofilms for wastewater ...
Applications of microalgal biofilms for wastewater ...

10/5/2017, · Reverse osmosis (RO) technology is being used worldwide for full-scale municipal ,wastewater, reclamation to produce high-,quality, recycled ,water, to meet the increasing ,water, supply demand . However, this technology generates highly saline RO concentrate (ROC) streams, which contain almost all of the contaminants and nutrients derived from the secondary effluent at elevated levels …

Treatment of highly acidic wastewater containing high ...
Treatment of highly acidic wastewater containing high ...

1/10/2017, · Treatment methodologies reported in the literature to treat the acidic wastewater include, chemical addition,,, advanced oxidation processes (AOP), catalytic peroxidation, Fenton method, electrochemical oxidation,,,, electro-Fenton, method, sono-chemical and photochemical processes.

Ion Exchange Softeners and Dealkalizers – Water Technology ...
Ion Exchange Softeners and Dealkalizers – Water Technology ...

15/5/2017, · Ion exchange resins are used extensively in commercial and industrial ,water, treatment to ,improve the quality of water, prior to its intended use. ,Water, softeners are used in homes, laundries, hospitals and manufacturing plants to remove hardness from ,water,. In washing operations soft ,water, produces a pleasing soap lather, rinses cleanly and saves on detergent.…

11 New and Emerging Drinking Water Treatment Technologies ...
11 New and Emerging Drinking Water Treatment Technologies ...

In fact, the ,water treatment, industry depends solely on physical and/or chemical processes to meet ,water quality, goals. ,Utilization, of biological processes in ,water treatment, has been frowned on by the industry because of concern about the introduction of microorganisms to ,water,.

Control and remediation methods for eutrophic lakes in the ...
Control and remediation methods for eutrophic lakes in the ...

This technology ,can improve, nutrient-rich ,water quality, and change food webs to restore the heath of the ecosystem. The overall result is decreased phytoplankton species and number. There are classic and non-classic biomanipulation techniques.

Produced water treatment technologies | International ...
Produced water treatment technologies | International ...

Production chemicals (Table 2) ,can, be pure compounds or compounds ,containing, active ingredients dissolved in a solvent or a co-solvent, and used for inhibition of corrosion, hydrate formation, scale deposition, foam production, wax deposition, bacterial growth, gas dehydration and emulsion breaking in order to ,improve, the separation of oil and ,water, .

Treatment of Citric Acid Wastewater for High Quality ...
Treatment of Citric Acid Wastewater for High Quality ...

In, 1986, the first stage of the full scale treatment plant for the high concentrated wastewater consist,ing of an equalization tank, an anaerobic reactor (10 000 m 3), and, a highly loaded activated sludge plant (2 000 m 3), went into operation. In 1987 a second anaerobic reactor was built.

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