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Acid wastewater regulation

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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Acid wastewater regulation
Ultrafiltration Behaviour of Trihalomethanes (THMs) from ...
Ultrafiltration Behaviour of Trihalomethanes (THMs) from ...

The ,ultrafiltration, process was carried out by using UHP-62 dead-end filter cell unit. The ,wastewater, was initially characterised using Fourier transform infrared (FTIR) and gas chromatography (GC) to identify the presence and concentrations of THMs, respectively.

Ultrafiltration Behaviour of Trihalomethanes (THMs) from ...
Ultrafiltration Behaviour of Trihalomethanes (THMs) from ...

The ultrafiltration process was carried out by using UHP-62 dead-end filter cell unit. The wastewater was initially characterised using Fourier transform infrared (FTIR) and gas chromatography (GC) to identify the presence and concentrations of THMs, respectively.

Industrial Ultrafiltration Systems - Reduce Cost Meet ...
Industrial Ultrafiltration Systems - Reduce Cost Meet ...

Ultrafiltration extends the life of washwater, floor scrubber and vibratory/tumbling water. PRAB’s line of Ultrafiltration Systems are designed to separate organics, emulsified oils and suspended solids from process water, incoming water, wastewater and metalworking coolant reducing oily water volumes by as much as 98% without the use of chemical additives.

Ultrafiltration (Water and Wastewater) Equipment
Ultrafiltration (Water and Wastewater) Equipment

For the reuse of wastewater, rainwater and treated water by means of highly efficient membrane systems, Salher designs compact water reuse plants using ultrafiltration technology. It can be used for treated wastewater from urban population centers (sewage …

Waste reuse: ultrafiltration of
Waste reuse: ultrafiltration of

Waste reuse: ,ultrafiltration, of industrial and municipal wastewaters Erik R. Christensen, Kurt W. Plaumann The purpose of the present work is to evaluate the potential role of ,ultrafiltration, (UF) for industrial and municipal water reuse. Most studies of UF have been carried out with only one or a few types of ,wastewater,, using a single type of ...

(PDF) Treatment of wastewater by ultrafiltration
(PDF) Treatment of wastewater by ultrafiltration

A pilot-scale ,ultrafiltration, (UF) membrane study was conducted to investigate the influence of transmembrane pressure and crossflow velocity on the performance of a palm oil mill effluent (POME ...

CROSSFLOW ULTRAFILTRATION FOR REMOVING DIRECT-15 DYE …
CROSSFLOW ULTRAFILTRATION FOR REMOVING DIRECT-15 DYE …

at pH 4 (,acidic, condition) while the highest dye removal observed at pH 7. Data collection could be used to improve the effectiveness of dye removal from textile industry ,wastewater, using membrane technology. Keywords: ,Ultrafiltration,, membrane separation, dye, crossflow ,ultrafiltration,, cake resistance 1. INTRODUCTION

Ultrafiltration - an overview | ScienceDirect Topics
Ultrafiltration - an overview | ScienceDirect Topics

Ultrafiltration is a popular, separation process used, for product, recovery and pollution control, in, industrial wastes, wastewater, treatment, oil emulsions, medical therapeutics, biological macromolecules, and colloidal paint suspensions [88,89].

Ultrafiltration | Ultrafiltration Membrane
Ultrafiltration | Ultrafiltration Membrane

Ultrafiltration. Description: Ultrafiltration (UF) utilizes a semi-permeable membrane to physically remove suspended particles from water based on particle size and the pore size rating of the UF membrane. Among membrane technologies commonly used, UF is typically one step “tighter” (meaning it has smaller pore size) than microfiltration.

Ultrafiltration vs Reverse Osmosis: Which Water Filtration ...
Ultrafiltration vs Reverse Osmosis: Which Water Filtration ...

Wastewater / Reject. Ultrafiltration does not produce waste water (reject) during the filtration process.* In the reverse osmosis, there is cross-flow filtration through the membrane. This means that one stream (permeate / product water) goes to the storage tank, and one stream with all the contaminants and dissolved inorganics (reject) goes to drain.

Ultrafiltration - Wikipedia
Ultrafiltration - Wikipedia

Ultrafiltration is a variety of membrane filtration in which forces like pressure or concentration gradients lead to a separation through a semipermeable membrane. Suspended solids and solutes of high molecular weight are retained in the so-called retentate, while water and low molecular weight solutes pass through the membrane in the permeate. This separation process is used in industry and research …

Ultrafiltration - Wikipedia
Ultrafiltration - Wikipedia

16/11/2003, · Ultrafiltration can be used for the removal of particulates and macromolecules from raw water to produce potable water. It has been used to either replace existing secondary (coagulation, flocculation, sedimentation) and tertiary filtration (sand filtration and chlorination) systems employed in water treatment plants or as standalone systems in isolated regions with growing populations. [1]

Reverse osmosis membrane treatment of acidic etchant ...
Reverse osmosis membrane treatment of acidic etchant ...

5/3/2008, · Artificial wastewater, containing the same amount of nitrate and/or background salts, was also prepared using nitric acid and potassium fluoride. For the neutralization of acidic wastewater, 5 or 10N of KOH, NaOH, and Ca (OH) 2 were used with dilutions. Table 1. A summary of the qualities of raw and pretreated MAE wastewater and RO filtrates

(PDF) Treatment of wastewater by ultrafiltration
(PDF) Treatment of wastewater by ultrafiltration

A pilot-scale ultrafiltration (UF) membrane study was conducted to investigate the influence of transmembrane pressure and crossflow velocity on the performance of a palm oil mill effluent (POME ...

Ultrafiltration | Ultrafiltration Membrane
Ultrafiltration | Ultrafiltration Membrane

Ultrafiltration. Description: Ultrafiltration (UF), utilize,s, a semi-permeable membrane to physically remove suspended particles from water based on particle size, and, the pore size rating of, the UF membrane. Among membrane technologies commonly used, UF is typically one step “tighter” (meaning it has smaller pore size) than microfiltration.

Ultrafiltration - Wikipedia
Ultrafiltration - Wikipedia

Ultrafiltration, is a variety of membrane filtration in which forces like pressure or concentration gradients lead to a separation through a semipermeable membrane. Suspended solids and solutes of high molecular weight are retained in the so-called retentate, while water and low molecular weight solutes pass through the membrane in the permeate. This separation process is used in industry and research …

Removal of heavy metals by ultrafiltration
Removal of heavy metals by ultrafiltration

In this study, ,ultrafiltration, is presented as a useful technique to recover heavy metals present in aqueous solutions, without the need of adding further substances. Specifically, recovery of mixtures of iron (II) and iron (III), copper (II) and chromium (III) is presented. Ceramic membranes are …

Waste reuse: ultrafiltration of
Waste reuse: ultrafiltration of

Waste reuse: ,ultrafiltration, of industrial and municipal wastewaters Erik R. Christensen, Kurt W. Plaumann The purpose of the present work is to evaluate the potential role of ,ultrafiltration, (UF) for industrial and municipal water reuse. Most studies of UF have been carried out with only one or a few types of ,wastewater,, using a single type of ...

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