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After flocculation and sedimentation of fracturing flowback fluid

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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After flocculation and sedimentation of fracturing flowback fluid
Frontiers | A Review of Phosphorus Removal Technologies ...
Frontiers | A Review of Phosphorus Removal Technologies ...

The removal of phosphorus (P) from ,domestic wastewater, is primarily to reduce the potential for eutrophication in receiving waters, and is mandated and common in many countries. However, most P-removal technologies have been developed for use at larger ,wastewater, treatment plants that have economies-of-scale, rigorous monitoring, and in-house operating expertise.

Removal of pharmaceuticals and personal care products ...
Removal of pharmaceuticals and personal care products ...

1/11/2016, · Kimura et al. (2012) showed that some PPCPs, such as carbamazepine, ketoprofen, mefenamic ,acid,, clofibricacid, and diclofenac at 5 μmol/l level in biologically treated ,wastewater,, could be decomposed completely at 2.0 kGy by gamma irradiation.

Wastewater Pumped into Tampa Bay Could Harm Marine …
Wastewater Pumped into Tampa Bay Could Harm Marine …

It’s the ,kind, of risk no one wants to see, ... To get the phosphate out of the minerals, the industry uses sulfuric ,acid,, and it leaves behind a highly ,acid wastewater,.

Acclimation of Microalgae to Wastewater Environments ...
Acclimation of Microalgae to Wastewater Environments ...

Acclimation of five microalgae strains to secondary treated ,wastewater,. (A) Cell densities of C. debaryana (C.d.), C. luteoviridis (C.l.), C. vulgaris (C.v.), D. intermedius (D.i.), H. tetrachotoma (H.t.) and P. kessleri (P.k.) taken at day 7 during eight successive 7-d cultivation periods in ,wastewater,.At the start of each cultivation period cells taken from the previous period were ...

Wastewater Surveillance Data Reporting & Analytics | CDC
Wastewater Surveillance Data Reporting & Analytics | CDC

Wastewater, treatment plant: Information on the ,wastewater, treatment plant service area, number of people served by the utility, and treatment processes is needed to understand the ,wastewater, source. Sampling: The sample collection time, date, and location, as well as the sample type (grab or composite) and ,wastewater, flow rate during sample collection are needed to understand sample collection ...

Acidogenesis - Wikipedia
Acidogenesis - Wikipedia

Acidogenesis, is the second stage in the four stages of anaerobic digestion: . Hydrolysis: A chemical reaction where particulates are solubilized and large polymers converted into simpler monomers;; ,Acidogenesis,: A biological reaction where simple monomers are converted into volatile fatty acids;; Acetogenesis: A biological reaction where volatile fatty acids are converted into acetic ,acid, ...

Public Health Interpretation and Use of Wastewater ...
Public Health Interpretation and Use of Wastewater ...

Data from ,wastewater, treatment plants can be compared, despite differences in population size and ,wastewater, volume. Trends in ,wastewater, may be known prior to COVID-19 reported case trends, given that normalized concentration of SARS-CoV-2 in ,wastewater, have been shown to coincide or lead with new reported cases within a sewershed by days.

Hydrofluoric acid | HF - PubChem
Hydrofluoric acid | HF - PubChem

Hydrofluoric acid, is an irritant to the mucosa of the upper and lower portions of the respiratory tract. As in ocular tissues, concentrations as low as 5 mg/L (5 ppm) may produce irritation to the nasal mucosa. When ,hydrofluoric acid, is present in concentrations greater than 48%, the solution fumes, adding to the volatile airborne fraction.

Separation of Mineral Acid Solutions by Membrane ...
Separation of Mineral Acid Solutions by Membrane ...

Plasma-modified PVTMS membrane was used for the ,separation, of feed solutions with higher ,acid, content up to 7.0 N. It was established that the plasma treatment essentially increases the hydrophilic properties of PVTMS membrane surface.

Biochar technology in wastewater treatment: A critical ...
Biochar technology in wastewater treatment: A critical ...

1/8/2020, · As the first of its ,kind,, this critical review emphasizes the promising prospects of biochar technology in the treatment of various ,wastewater, including industrial ,wastewater, (dye, battery manufacture, and dairy ,wastewater,), municipal ,wastewater,, agricultural ,wastewater,, and stormwater.

Parasitic worm - Wikipedia
Parasitic worm - Wikipedia

Eggs can reach the soil when polluted ,wastewater,, sewage sludge or human waste are used as fertilizer. Such soil is often characterized by moist and warm conditions. Therefore, the risk of using contaminated ,wastewater, and sludge in agricultural fields is a real problem, especially in poor countries, where this practice is prevalent.

Membrane Technology in Water and Wastewater Treatment ...
Membrane Technology in Water and Wastewater Treatment ...

14/7/2020, · Membrane technology is a liquor, separation, technology with features of high efficiency, low energy consumption and easy operation, which can fulfill the recyclable use and the sharpest retrieve of the, wastewater,.

There's A Perfect Pipe For Every Water And Wastewater ...
There's A Perfect Pipe For Every Water And Wastewater ...

Borrowing technology first used by the gas and oil industry, high-,density, polyethylene pipe has also become a popular choice for water and ,wastewater, applications because of its noncorrosive, highly flexible characteristics. Also, its heat-fused joints mean zero water loss, which is an important quality as worldwide water value increases.

What Is Anaerobic Wastewater Treatment and How Does It Work?
What Is Anaerobic Wastewater Treatment and How Does It Work?

Anaerobic wastewater treatment, is a type of biological treatment where anaerobic microorganisms are used to break down and remove organic contaminants from ,wastewater,. While anaerobic treatment systems may take a variety of forms, they generally include some form of bioreactor or repository capable of maintaining the oxygen-free environment needed to support the process of anaerobic …

Four Effective Processes to Treat Wastewater ...
Four Effective Processes to Treat Wastewater ...

8/2/2018, · Four Effective Processes to Treat ,Wastewater,. ,Wastewater, has a lot of impact on the natural world and it is important to treat it effectively. By treating ,wastewater,, you don't just save the creatures thriving on it, but also protect the planet as a whole.

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