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Treatment of fracturing flowback fluid in No.2 gas production plant

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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Treatment of fracturing flowback fluid in No.2 gas production plant
Treatment of the real boiler cleaning wastewater in an ...
Treatment of the real boiler cleaning wastewater in an ...

A single chambered air cathode anaerobic fluidized bed microbial fuel cell (AFB‐MFC) was simultaneously used to dispose of the real boiler cleaning ,wastewater, (BCW) containing a high concentration ,of citric acid, and to generate renewable energy.

Citric Acid 50% - Treatment Technology
Citric Acid 50% - Treatment Technology

Citric Acid is used as a, cleaning solution for membrane filters, in wastewater and water treatment. Citric acid is also an excellent chelating agent, binding metals. It is also used to remove lime scale from boilers and evaporators. CLICK HERE TO DOWNLOAD THE SDS SHEET

Citric Acid - Sigma Chemicals
Citric Acid - Sigma Chemicals

Citric Acid is used as a cleaning solution for membrane filters in wastewater and water treatment. Citric acid is also an excellent chelating agent, binding metals. It is …

Progress in citric acid wastewater treatment | Semantic ...
Progress in citric acid wastewater treatment | Semantic ...

China is the largest country ,of citric acid, production and exportation, but the fixed characteristic ,of citric acid, production technology produces amounts of highly concentrated ,wastewater, in the process, and becomes a serious source of environmental pollution. Therefore, it is crucial and urgent to treat the ,wastewater, in ,citric acid, industry. Several ,wastewater treatment, technologies of ...

Wastewater Treatment of Citric Acid by Emulsion Liquid ...
Wastewater Treatment of Citric Acid by Emulsion Liquid ...

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Citric acid passivation ...waste treatment
Citric acid passivation ...waste treatment

There are a number of ways to treat this bath, depending on volume and volume of "other wastewater" treated. You can treat this as a batch, decrease the pH to 2 to weaken the bond between the chealtor and the metal(s), increase pH to the optimum pH range for the target metal, coagulate and floc.

Citric Acid - accepta.com
Citric Acid - accepta.com

Citric acid is a weak organic acid. It is a natural preservative and excellent chelating agent. It is used to remove limescale from boilers and evaporators and can be used to soften water...

Treatment of wastewater containing citric acid and ...
Treatment of wastewater containing citric acid and ...

Process for treating ,wastewater, containing ,citric acid, and triethanolamine nd heavy metals by subjecting the ,wastewater, to ,treatment, with hydrogen peroxide and ultraviolet light (UV) and in the presence of ferrous ion as catalyst, to substantially decompose the ,citric acid, and the triethanolamine. ,Wastewater, generated from ship bilge cleaning and containing up to 10% ,citric acid, or up to 5% ...

Treatment of wastewater containing citric acid and ...
Treatment of wastewater containing citric acid and ...

Wastewater, generated from ship bilge cleaning and containing up to 10% ,citric acid, or up to 5% triethanolamine, or mixtures thereof, can thus be subjected to UV/H 2 O 2 treatment with ferrous ion in a concentration thereof of about 20 to about 100 ppm, without forming chelates of iron and other heavy metals with ,citric acid, or with triethanolamine, to decompose up to 90% or more of the ,citric, ...

Progress in citric acid wastewater treatment--《Industrial ...
Progress in citric acid wastewater treatment--《Industrial ...

China is the largest country ,of citric acid, production and exportation, but the fixed characteristic ,of citric acid, production technology produces amounts of highly concentrated ,wastewater, in the process, and becomes a serious source of environmental pollution. Therefore, it is crucial and urgent to treat the ,wastewater, in ,citric acid, industry.

Treatment of wastewater containing citric acid and ...
Treatment of wastewater containing citric acid and ...

It has been found that ,wastewater, from ship bilge cleaning operations, containing relatively high concentrations ,of citric acid, and triethanolamine can be successfully treated to decompose more than 90% of both the ,citric acid, and triethanolamine, by ,treatment, of the ,wastewater, with ultraviolet light and hydrogen peroxide, with the addition of minor amounts of ferrous ion as catalyst to the ,wastewater,.

Treatment of wastewater containing citric acid and ...
Treatment of wastewater containing citric acid and ...

It has been found that wastewater from ship bilge cleaning operations, containing relatively high concentrations of citric acid and triethanolamine can be successfully treated to decompose more than 90% of both the citric acid and triethanolamine, by treatment of the wastewater with ultraviolet light and hydrogen peroxide, with the addition of minor amounts of ferrous ion as catalyst to the wastewater.

Citric acid passivation ...waste treatment
Citric acid passivation ...waste treatment

First of two simultaneous responses -- 2007 There are a number of ways to treat this bath, depending on volume and volume of "other wastewater" treated. You can treat this as a, batch, decrease the pH to 2 to weaken the bond between the chealtor and the metal (s), increase pH to the optimum pH range for the target metal, coagulate and floc.

Feasibility study and process optimization of citric acid ...
Feasibility study and process optimization of citric acid ...

This paper studied the feasibility of using PSB in citric acid wastewater treatment. Some important factors which influence the pollutants removal efficiency and biomass were also examined to...

Treatment of recalcitrant wastewater from ethanol and ...
Treatment of recalcitrant wastewater from ethanol and ...

Laboratory-scale experiments were performed to develop a procedure for biological treatment of recalcitrant anaerobic industrial effluent (from ethanol and citric acid production) using first the microalga Chlorella vulgaris followed by the macrophyte Lemna minuscula. This recalcitrant dark-colored wastewater, containing high levels of organic ...

Feasibility study and process optimization of citric acid ...
Feasibility study and process optimization of citric acid ...

This paper studied the feasibility of using PSB in citric acid wastewater treatment. Some important factors which influence the pollutants removal efficiency and biomass were also examined to...

Wastewater treatment with chitosan
Wastewater treatment with chitosan

Chitosan ,treatment, with ,citric acid, or sulfuric ,acid, produced regenerated chitosans. There are many applications for these chitinous materials including use in agriculture, food processing, medicine, cosmetics, and biotechnology. The textile industry uses large amounts of water for dying and washing. Textile ,wastewater, is generally alkaline

Full-scale and laboratory-scale anaerobic treatment of ...
Full-scale and laboratory-scale anaerobic treatment of ...

This paper reviews the operation of a full-scale, fixed-bed digester treating a citric acid production wastewater with a COD:sulphate ratio of 3-4:1. Support matrix pieces were removed from the digester at intervals during the first 5 years of operation in order to quantify the vertical distribution of biomass within the digester.

CN101182079A - Citric acid mother liquor treatment process ...
CN101182079A - Citric acid mother liquor treatment process ...

The invention provides a citric acid mother liquor treatment process, which is characterized in that citric acid mother liquor is treated by coagulant acid and degumming agent, filtered and...

Improving the dewaterability of citric acid wastewater ...
Improving the dewaterability of citric acid wastewater ...

Most importantly, treatment of citric acid wastewater sludge with 84 mg O3/g DS and 12.5 mg/g DS H2O2 led to the preservation of the nutrient elements nitrogen, phosphorus, and potassium in the ...

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