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Hazards of direct discharge of acid wastewater from factories

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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Hazards of direct discharge of acid wastewater from factories
Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Industrial wastewater treatment, describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...

Hospital Water - Water and Wastewater Information
Hospital Water - Water and Wastewater Information

1. The characteristics of hospital sewage Hospital ,waste, water contains some special pollutants, such as drugs, disinfectants, diagnostic agents, detergents, and a large number of pathogenic microorganisms, parasite eggs and various viruses (such as roundworm eggs, hepatitis virus, tuberculosis and dysentery) .

SARS-CoV-2 in hospital wastewater during outbreak of COVID ...
SARS-CoV-2 in hospital wastewater during outbreak of COVID ...

Recently, several studies reported SARS-CoV-2 ribonucleic, acid, (RNA) in, hospital wastewater., SARS-CoV-2 can be transmitted between humans via respiratory dropl … Currently, the apparition of new SARS-CoV, known as SARS-CoV-2, affected more than 34 million people and causing high death rates worldwide.

Color Removal from Tannery Wastewater Using Activated ...
Color Removal from Tannery Wastewater Using Activated ...

31/5/2018, · ,Color, of the ,waste water, is one of the most important indicators of water pollution as it is aesthetically displeasing and can greatly damage the receiving water bodies. Tannery ,wastewater, contains organic and inorganic complex constituents and exhibit high ,color, concentrations which are not typically reduced through conventional treatment technologies.

MODULE 23: Management of Healthcare Wastewater
MODULE 23: Management of Healthcare Wastewater

Healthcare Wastewater • Wastewater contaminants: –Important chemicals in, hospital wastewater, include anesthetics, disinfectants (formaldehyde, glutaraldehyde), chemicals from laboratory activities, photochemical solutions (hydroquinone), and X-ray contrast media containing absorbable organohalogen compounds (AOX)

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.

Recovery of Lactic Acid from Pickle Process Wastewater
Recovery of Lactic Acid from Pickle Process Wastewater

To determine if lactic ,acid, can be removed from pickle process water in order to lower Biological Oxygen Demand (BOD) of ,wastewater,. Purpose: •Reduce BOD going to the public ,wastewater, treatment facility and its associated cost. •Reduce or eliminate the use of caustic to adjust pH of the process ,wastewater,.

Effective biotreatment of acidic mine water and hospital ...
Effective biotreatment of acidic mine water and hospital ...

1/10/2020, · ,Hospital wastewater, (HWW) and acid mine drainage (AMD) are amongst typical hazardous waste streams that require treatment to sustain the universal water resource quality. The AMD is a strong, acidic waste stream that is rich in dissolved ferrous, non-ferrous metal sulfates, and salts .

Lab 4 alkalinity –acidity and determination of alkalinity ...
Lab 4 alkalinity –acidity and determination of alkalinity ...

When a water sample that has a pH of greater than 4.5 is titrated with ,acid, to a pH 4.5 end point, all OH-, CO3 2-, and HCO3- will be neutralized. For the pH more than 8.3, add phenolphthalein indicator, the ,color, changes to pink ,color,. This pink ,color, is due to presence of hydroxyl ions.

Recovery of Lactic Acid from Pickle Process Wastewater
Recovery of Lactic Acid from Pickle Process Wastewater

To determine if lactic ,acid, can be removed from pickle process water in order to lower Biological Oxygen Demand (BOD) of ,wastewater,. Purpose: •Reduce BOD going to the public ,wastewater, treatment facility and its associated cost. •Reduce or eliminate the use of caustic to adjust pH of the process ,wastewater,.

Treatment of real benzene dye intermediates wastewater by ...
Treatment of real benzene dye intermediates wastewater by ...

humic ,acid, adsorption14 were very effective and suitable for dealing with naphthalene dye intermediate ,wastewater,. Arslan-Alaton et al.18 also indicated that photo-Fenton-like oxidation of naphthalene dye intermediate H-,acid, is highly efficient. Dye intermediates mainly include four types: benzene, naphthalene, anthraquinone and heterocycle.

Using Spectrophotometers for Water and Wastewater Testing
Using Spectrophotometers for Water and Wastewater Testing

Water and ,Wastewater, Testing Kelly Sweazea, Technical Sales Manager Thermo Scientific Electrochemistry Products. ... ,acid, test, a wave-length near 410 to 430 nm is usually used . 16 Proprietary ... Turbidity & ,color, can often be “blanked (zeroed) out” – if

Using Ultraviolet Absorbance and Color To Assess ...
Using Ultraviolet Absorbance and Color To Assess ...

The use of ,color, as a surrogate would allow ,wastewater, utilities to accomplish two treatment objectives by directly measuring ,color, removal and indirectly measuring pharmaceutical oxidation. ,Wastewater, and water reuse utilities can use these common water quality parameters as surrogates to rapidly assess the level of oxidation in the presence or absence of dissolved O 3 residual.

pH Indicators explained pH Indicators
pH Indicators explained pH Indicators

The ,color, change between the predominately ,acid, form of the indicator and the predominately base form is clearly visible, and therefore suitable for visual ,acid,-base titration. Most of the Hach ,Acid,-Base Indicators can be divided into three classes based on the structure. ... For water and ,wastewater, C C O O

The Dependence of Oxidation Parameters and Dyes' Molecular ...
The Dependence of Oxidation Parameters and Dyes' Molecular ...

30/11/2019, · Among them, Alizarin red, Fuchsin ,acid, and Reactive orange 1 show high sensitivity toward the structure of BDD anodes, since their decay effectiveness multiples caused by BDD 18 were 10 times higher than BDD 6, which was in consistent with the observation from Fig. 8b that the ,color, removals of three dyes own first few orders in the first 5 min.

The removal of color and COD from wastewater containing ...
The removal of color and COD from wastewater containing ...

The removal of ,color, and COD from ,wastewater, containing water base ,color, by coagulation process *H. Asilian, Sh. Moradian fard, A. Rezaei, S. B. Mortazavi and A. Khavanin Department of Occupational and Environmental Health, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran ABSTRACT: In this study acrylic water base ,color, was ...

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