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Treatment of fracturing flowback fluid by iron carbon micro electrolysis

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 by iron carbon micro electrolysis
The new incorporation bio-treatment technology of ...
The new incorporation bio-treatment technology of ...

The BA wastewater used as a redox mediator was able to increase the, decolorization, rate of wastewater containing azo dyes. The effects of various operating conditions such as dissolved oxygen, temperature, and pH on microbial, decolorization, were investigated experimentally. At the same time, BA was tested to assess the effects on the change of the Oxidation-Reduction Potential (ORP) values during the, decolorization, …

A Review on Advanced Oxidation Processes for Effective ...
A Review on Advanced Oxidation Processes for Effective ...

Most of the organic acids excluding acetic and propionic ,acid, 124 are converted to CO 2 at ,high, temperature. Figure 7 depicts the simple ... reaction, ,salt, separation and ... Bhanvase, B. A., & Gumfekar, S. P. Nanomaterials-based advanced oxidation processes for ,wastewater treatment,: A review. Chemical Engineering and Processing ...

Pure Water Gazette » Treating High pH Water with Acid ...
Pure Water Gazette » Treating High pH Water with Acid ...

7/10/2017, · Acetic ,acid, is usually injected in about a five percent solution. Other popular weak acids available to residential users are ,citric acid,, a bit stronger than vinegar, which is fed in a one percent solution, sodium bisulfate (potable water grade), fed at one percent, and alum, fed in …

Anaerobic Industrial Wastewater Treatment;
Anaerobic Industrial Wastewater Treatment;

selection criteria. Compared to conventional aerobic ,treatment, systems, the most striking advantages of high-rate anaerobic ,wastewater treatment, are: 1. Reduction of excess sludge production up to 90% 2. Excess sludge has a market value 3. No use of fossil fuels for ,treatment,…

pH Correction – Wastewater Treatment | Acorn Water
pH Correction – Wastewater Treatment | Acorn Water

As a measurement of the acidity or basicity of a solution, pH is an important parameter to control and regulate in ,wastewater treatment,. The scale used for pH goes ranges from 0 to 14, with pure water having a neutral pH of 7.

Fenton pre-treatment of rice straw with citric acid as an ...
Fenton pre-treatment of rice straw with citric acid as an ...

quent ,wastewater treatment, as well. In this study, ,citric acid, was used as iron chelate to enhance Fenton reagent pretreatment of rice straw. The conditions of Fenton oxidation with ,citric acid, as iron chelate for enhancing rice straw pretreatment were rst evaluated. Then, the compo-sition and structural changes of lignocellulose were described.

Using Citric Acid to reduce pH - Water treatment ...
Using Citric Acid to reduce pH - Water treatment ...

In order to calculate the amount ,of citric acid,, you will need an analysis of the water. That is because ,citric acid, will react with the buffers that are present in the water. Pure water has no buffers. The typical water contains various minerals that the water has dissolved.

Use of Citric Acid Industrial Wastewater to Enhance ...
Use of Citric Acid Industrial Wastewater to Enhance ...

20/6/2012, · ,Citric acid, industrial ,wastewater, (CAIW) is a waste by-product generated by the manufacturing process ,of citric acid,. Effective and economical ,treatment, and disposal of the ,wastewater, is an environmental challenge.

Treatment of high-salinity chemical wastewater by ...
Treatment of high-salinity chemical wastewater by ...

1/9/2013, · It was possible that high-salinity wastewater treatment can be enhanced by, bioaugmentation, with salt-tolerant strains. Most research previously focused on, bioaugmentation, in lab-scale system (Jin et al., 2009, Quan et al., 2010, Jiao et al., 2011) and few works were carried out in full-scale bioreactors.

Technology | High salt wastewater treatment - Bluslot
Technology | High salt wastewater treatment - Bluslot

0. The treatment of high salt wastewater is usually a, “pre-treatment evaporation concentration crystallization desalination” process., According to the specific water quantity, water quality, effluent requirements, investment, operation cost and technical concept, different pretreatment process, technical equipment and evaporation concentration ...

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/H202 ,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, ...

Treatment of high-salinity chemical wastewater by ...
Treatment of high-salinity chemical wastewater by ...

Treatment of high,-salinity chemical ,wastewater, by indigenous bacteria--bioaugmented contact oxidation. Li Q(1), Wang M, Feng J, Zhang W, Wang Y, Gu Y, Song C, Wang S. Author information: (1)Key Laboratory of Molecular Microbiology and Technology for Ministry of …

Advanced Oxidation Processes in Water/Wastewater Treatment ...
Advanced Oxidation Processes in Water/Wastewater Treatment ...

treatment of actual wastewaters, the, Fenton method has, been also, coupled to, various processes, such as, coagulation, membrane filtration,, and biological oxidation, allowing to degrade more ...

Citric Acid - Descaler - Chemtex Speciality Ltd
Citric Acid - Descaler - Chemtex Speciality Ltd

Citric Acid, is a weak organic ,acid, with the formula of C6H8O7. It is used as a cleaning solution for membrane filters in ,wastewater, and boiler water ,treatment,. It is also an excellent chelating agent by binding metals, it removes lime scale depositions from boilers and …

Removal of Hexavalent Chromium by using Citric Acid Modified
Removal of Hexavalent Chromium by using Citric Acid Modified

for ,wastewater treatment,. Hence, recycling of this waste for ,wastewater treatment, would not only be economical but also help to solve waste disposal problems (Ahalya et al., 2008). Thus, this work uses Tamarind pod shell powder modified with ,citric acid, (CA) for Cr (VI) removal from aqueous solutions.

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.

The extraction of citric acid from fermentation broth ...
The extraction of citric acid from fermentation broth ...

The effect of diluents on the extraction is very important since it affects the distribution ,of citric acid,, the selectivity and the phase separation properties. The distribution coefficient for ,citric acid, is strongly temperature dependent. This makes it possible to strip the ,acid, into water at a higher temperature.

Improving Dewaterability and Other Properties of Citric ...
Improving Dewaterability and Other Properties of Citric ...

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 sludge with a minimal volatile suspended solids/total suspended solids reduction of 5.5%, which is much lower than that with ozonation at 250 mg O3/g DS.

Treating refinery spent caustic with electro-oxidation ...
Treating refinery spent caustic with electro-oxidation ...

Oxidation., Oxidation, converts sulfides to harmless sulfate salts and turns mercaptans into sulfonic acids, neither with odor or HSE issues. The process also converts organic acid molecules into either carbon dioxide and water or organic acids with smaller molecular weights that are easily biodegradable.

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% ...

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