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deep well drilling waste liquid residue emission treatment technology definition

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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deep well drilling waste liquid residue emission treatment technology definition
Xinxiang YIQING Filter Technology Co Ltd Profile
Xinxiang YIQING Filter Technology Co Ltd Profile

Xinxiang YIQING Filter Technology Co,, Ltd is located in Xinxiang, known as a leading city for various filter manufactures in China. During the 10 years development, our company has completed the development and mass production of sintered stainless steel mesh, stainless steel ,fiber, sintered medium, ferrochrome aluminum ,fiber, sintered medium as well as other related products. We are one of the ...

International Journal of Electrochemical Science - Volume ...
International Journal of Electrochemical Science - Volume ...

2 College of Chemistry and ,Chemical, Engineering, Xiamen University, Xiamen 361005, China. 3 School of Basic Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, China * E-mail: jingli_sanquan@163.com. A Novel Electrochemical Biosensor based on Layered Hydroxide Nanosheets/DNA Composite for the Determination of Phenformin Hydrochloride

CHAPTER 5 THE PROGRESSES OF WATER
CHAPTER 5 THE PROGRESSES OF WATER

According to the environmental bulletins published by the State Environmental Protection Administration (State Environmental Protection Administration of China, China Environmental Bulletins in 1998 — 2001), in recent years, the major rivers of China are generally confronted with organic pollution; the situation of surface-source pollution is becoming increasingly serious; and the proportion ...

RSC Advances - Chemical Science Journals Books and Databases
RSC Advances - Chemical Science Journals Books and Databases

wastewater, from discharged oil refineries, the drug, paint and pesticide industries, as the intermediates of processes 3. However, as far as we know, phenolic compounds are harmful to our body and the environment. These hazardous pollutants are harmful to organisms even at low concentrations4. They have potential harm to human health.

Influence of flocculant polyacrylamide on concentration of ...
Influence of flocculant polyacrylamide on concentration of ...

1/9/2020, · Uchenna et al. used DCMD and solvent extraction (SX) in sequence to recover water and acid from ,acidic, mining waste solutions . In treating the synthetic ,acidic, waste solution, the concentration of H 2 SO 4 increased from 0.85 M in the feed solution to 4.44 M. Sulphate and metal separation efficiency was > 99.99% and the overall water recovery exceeded 80%.

Xinxiang City Huahang Filter Co.Ltd Profile
Xinxiang City Huahang Filter Co.Ltd Profile

Xinxiang City Huahang Filter Co., Ltd is professional in the production of Hydraulic Filter, Air Filter and Pipe Filter. Product series range from Oil Filter, Air Filter, Water Filter, Polymer Filter, Candle Filter Element, Stainless Steel Filter to filter Coalescer and Separator.

A novel high performance in-silico screened metagenome ...
A novel high performance in-silico screened metagenome ...

19/10/2020, · Kumar B, Bhardwaj N, Alam A, Agrawal K, Prasad H, Verma P. Production, purification and characterization of an ,acid,/,alkali, and thermo tolerant cellulase from Schizophyllum commune NAIMCC-F-03379 and its application in hydrolysis of lignocellulosic wastes. AMB Express. Springer Berlin Heidelberg. 2018;8:173.

Catalysis in biodiesel production—a review | Clean Energy ...
Catalysis in biodiesel production—a review | Clean Energy ...

The chemical catalyst comprises homogeneous agents (,alkali, or ,acid,), heterogeneous agents (solid ,acid, or solid ,alkali, catalysts), heterogeneous nanocatalysts and supercritical fluids (SCFs). These catalysts are effective in bringing the process to completeness, although the ,reaction, demands high energy and a cumbersome purification process to obtain the purified end product [ 31 , 32 ].

Wastewater treatment by alkali bacteria and dynamics of ...
Wastewater treatment by alkali bacteria and dynamics of ...

1/2/2011, · PDW was taken from, Xinxiang, Rongxiang Printing & Dyeing Co., Ltd. in, Xinxiang,, China. The company discharges 2000 tons of combined, wastewater, each day with a COD of 800–1200 mg/L, BOD of 220–380 mg/L, pH of 10.1–13.6, PVA content of 53–133 mg/L, colority of 270–500 dilutions and the color can frequently change between brown, dark blue, green, gray, black, etc.

Chemical Glossary - Alfa Chemistry
Chemical Glossary - Alfa Chemistry

Describes an ,alkali, (basic) or a solution that has excess of hydroxide ions. ... Oxide that can act as either an ,acid, or a base in a ,reaction, to produce a salt and water. Amphoteric surfactant: A surfactant in which the hydrophile has both positive and negative charges.

Pharmaceuticals and personal care products in water and ...
Pharmaceuticals and personal care products in water and ...

22/10/2020, · The presence of emerging contaminants such as pharmaceutical and personal care products in many aqueous matrices have been reported. One of such matrix is streams of ,wastewater,, including ,wastewater, treatment plants inflows and outflows and ,wastewater, flow by-passing ,wastewater, treatment plants. Their persistence arises from their resistant to …

Frontiers | State of the Art of Catalysts for Biodiesel ...
Frontiers | State of the Art of Catalysts for Biodiesel ...

Generally, biodiesel is produced using a single-step transesterification ,reaction, catalyzed by ,alkali, catalysts. However, depending on FFA and water content, a two-step ,reaction, might be required where ,acid, catalyzed alcoholysis, also known as esterification, precedes the transesterification process (Ashraful et al., 2014).

CHAPTER 5 THE PROGRESSES OF WATER
CHAPTER 5 THE PROGRESSES OF WATER

According to the environmental bulletins published by the State Environmental Protection Administration (State Environmental Protection Administration of China, China Environmental Bulletins in 1998 — 2001), in recent years, the major rivers of China are generally confronted with organic pollution; the situation of surface-source pollution is becoming increasingly serious; and the proportion ...

RSC Advances - Chemical Science Journals Books and Databases
RSC Advances - Chemical Science Journals Books and Databases

wastewater, from discharged oil refineries, the drug, paint and pesticide industries, as the intermediates of processes 3. However, as far as we know, phenolic compounds are harmful to our body and the environment. These hazardous pollutants are harmful to organisms even at low concentrations4. They have potential harm to human health.

Materials | Free Full-Text | Nitric Acid-Treated Carbon ...
Materials | Free Full-Text | Nitric Acid-Treated Carbon ...

Nitric acid (HNO 3 )-treated carbon ,fiber, (CF) rich in hydrophilic groups was applied as a cell-immobilized carrier for xylitol fermentation. Using scanning electron microscopy, we characterized the morphology of the HNO 3 -treated CF. Additionally, we evaluated the immobilized efficiency (IE) of Candida tropicalis and xylitol fermentation yield by ...

Glutaraldehyde: behavior in aqueous solution reaction ...
Glutaraldehyde: behavior in aqueous solution reaction ...

It should be noted that lysyl ϵ-amino groups have pKa (,acid, dissociation constant) > 9.5, but it is presumed that the small percentage of amines present in their unprotonated form at lower pH is sufficient to react with glutaraldehyde, which then drives the ,acid,-base equilibrium to deprotonation of these groups for further ,reaction,.

Xinxiang Boyuan Water-putifying Materials Co. Ltd ...
Xinxiang Boyuan Water-putifying Materials Co. Ltd ...

APAM-Anionic Polyacrylamide, Water Treatment ,Chemical, Features: 1) Appearance: white granule 2) Molecular weight: 5 - 22 million minimum 3) Granule: 20 - 100 mesh 4) Solid content: 95% 5) Hydrolyzing degree: 10 - 20%, 20 - 30% or 30 - 40% 6)Dissolving time: 2 hours maximum (10C) 7) Insoluble: 0.5% maximum 8) Monomer free: 0.05% maximum Use: (1) Industrial ,waste water, treatment: For the neutral or alkaline ,waste water, …

CoSe2 Nanoparticles Grown on Carbon Fiber Paper: An ...
CoSe2 Nanoparticles Grown on Carbon Fiber Paper: An ...

In this Communication, we describe a two-step reaction for preparing three-dimensional electrodes composed of CoSe2 nanoparticles grown on carbon ,fiber, paper. The electrode exhibits excellent catalytic activity for a hydrogen evolution reaction in an ,acidic, electrolyte (100 mA/cm2 at an overpotential of …

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