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Reuse of photovoltaic acid wastewater

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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Reuse of photovoltaic acid wastewater
Wastewater treatment and reclamation: A review of pulp and ...
Wastewater treatment and reclamation: A review of pulp and ...

Vepsalainen et al. (2011b) found that the ferrous ,ions, produced by such treatment were very effective for the ,removal, of sulfide ,ions, from pulp mill effluent. ,Iron, and aluminum electrodes have been compared in several studies involving ,wastewater, from P&P mills.

Removal of heavy metals from wastewater using agricultural ...
Removal of heavy metals from wastewater using agricultural ...

The removal of other metals such as zinc, cobalt, nickel, thallium (Tl), and ,iron, are also of great interest due to their existence in various industrial effluents and their high toxicity. Zinc has effective impacts on several biochemical processes of living tissues, where high concentrations cause several health issues such as skin irritations, stomach nausea, cramps, vomiting, and anemia ...

Advanced Oxidation Processes (AOPs) in Wastewater ...
Advanced Oxidation Processes (AOPs) in Wastewater ...

18/9/2015, · Fenton-Related AOPs. Among these metals that are able to activate H 2 O 2 and produce hydroxyl radicals in water, ,iron, is the most frequently used. In the so-called Fenton process, H 2 O 2 reacts with Fe 2+ to generate strong reactive species. The reactive species produced are traditionally recognized as hydroxyl radicals, though other substances such as ferryl ,ions, are proposed.

4 Wastewater Reclamation Technology | Water Reuse ...
4 Wastewater Reclamation Technology | Water Reuse ...

Gas stripping for ,removal, of ammonia or breakpoint chlorination as the primary means for nitrogen ,removal, is not commonly employed in ,wastewater, reclamation applications in the United States. To accomplish biological phosphorus ,removal, via phosphorus-storing bacteria, a sequence of an anaerobic zone followed by an aerobic zone is required (for more detailed information see Tchobanoglous et al ...

Oil and Gas Production Wastewater: Soil Contamination and ...
Oil and Gas Production Wastewater: Soil Contamination and ...

During oil and natural ,gas production,, so-called “produced water” comprises the largest byproduct stream. In addition, many oil and gas operations are augmented via injection of hydraulic fracturing (HF) fluids into the formation. Both produced water and HF fluids may contain hundreds of individual chemicals, some known to be detrimental to public health and the environment.

Process simultaneously removes toxic metals and salt to ...
Process simultaneously removes toxic metals and salt to ...

18/4/2021, · Removing salt is only one step in creating clean water from ocean or brackish water. Toxic compounds, from metals to human-made carcinogens, must be …

US3947354A - Removal of heavy metal ions from wastewater ...
US3947354A - Removal of heavy metal ions from wastewater ...

Abstract. Concentrations of undesirable heavy metals in industrial ,wastewater, are reduced to below or very close to the most stringent aqueous discharge limits. This is accomplished by forming an insoluble metal-polyelectrolyte complex which can be easily and economically removed from the …

Pharmaceuticals of Emerging Concern in Aquatic Systems ...
Pharmaceuticals of Emerging Concern in Aquatic Systems ...

(2) Here, PEC dw is the predicted drinking water concentration (mg/L), A is the amount of pharmaceutical used in the catchment area in a year (mg/yr), R is the sewage treatment plant rate of ,removal,, M is the percentage of pharmaceutical metabolized in the human body, W is the rate of ,removal, by drinking water treatment plants, P is the area’s population, and V is the ,wastewater, volume ...

Investigation on the Removal of Fe (II) from Wastewater ...
Investigation on the Removal of Fe (II) from Wastewater ...

used to remove iron ions form water and wastewater [2-4]. It was reported that the iron (II) was removed by using limestone filters [2], nanofiltration and ultrafiltration [3]. These operations are affected by different parameters such as temperature, pH, and oxygen flow. Moreover, most of these technologies

Pros and Cons of Wastewater Treatment Methods: Coagulation ...
Pros and Cons of Wastewater Treatment Methods: Coagulation ...

Each of these ,wastewater, treatment methods has their own benefits and disadvantages. Coagulation. ,Wastewater, influents contain varying levels of total dissolved solids (TDS) and total suspended solids (TSS). Course screening and grit chambers will reduce the TSS but must be followed by a more refined solids ,removal, process.

Simultaneous removal of acidity and lead from acid lead ...
Simultaneous removal of acidity and lead from acid lead ...

Effective, removal, of both, acidity and lead in a single step was achieved in only 25 minutes of electrolysis time with iron electrodes and a mixed supporting electrolyte solution containing 0.03 M Na 2SO 4 and 0.003 M KCl. Keywords: Acid lead battery wastewater, aluminum and iron sacrificial electrodes, electrochemical coagulation.

Recent Development in Ammonia Stripping Process for ...
Recent Development in Ammonia Stripping Process for ...

The system also comprised of a heater to heat the ,wastewater, at 38°C and ammonia recovery via absorption with sulphuric ,acid,. Lastly, the effluent was neutralized after adding sulphuric ,acid,. As a result, they found that the ammonia stripping system for groundwater polluted with leachate displayed ,removal, efficiency of 95.4% with initial ammonia concentration at 199.0 mg/L.

Removal of Heavy Metal Ions from Water and Wastewaters by ...
Removal of Heavy Metal Ions from Water and Wastewaters by ...

28/9/2020, · The most commonly used methods of metal removal from wastewater include methods based on the precipitation of metal hydroxides or sulfides, ion exchange on chelating ion exchangers, evaporation in vacuum evaporators, reverse osmosis process, membrane filtration, electrochemical processing technologies, adsorption on various materials, co-precipitation with ferrite, or the use of …

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · Experimental results indicated that over 26% COD ,removal, of the ,wastewater, could be achieved in 2.0 h of reaction time at 150°C; 0.65 MPa and with an airflow rate of 1.57×10 5 m 3 /s. BOD 5 /COD ratio is increased from 0.15 to 0.4. The experimental data also revealed that the pressure and temperature effects on the COD ,removal, were important.

Coagulation and Flocculation in Water and Wastewater ...
Coagulation and Flocculation in Water and Wastewater ...

Acid, alum formulations are aluminum sulfate with 1 to 15-percent free sulfuric ,acid,. Their effectiveness with TOC ,removal, applications is due to the enhanced depression of pH. TOC or NOM reductions depend on the type and dosage of coagulant, the pH, temperature, raw water quality and NOM characteristics.

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