Welcome to the company ! we have many years of professional experience !
rsdzd@pyzyrsd.com +86 513525609655

What will happen when the wastewater containing sulfide meets with the acid substance in the sewer? It is easy to cause personnel poisoning

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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

What will happen when the wastewater containing sulfide meets with the acid substance in the sewer? It is easy to cause personnel poisoning
(PDF) Development of a Technology for Treating Wastewater ...
(PDF) Development of a Technology for Treating Wastewater ...

The analysis of several technological schemes for the acidic wastewaters ,neutralization, and the selection of the most feasible alternative from a technical-economic point of view were carried out.

Comparison of As Ni Zn Cd and Pb removals using ...
Comparison of As Ni Zn Cd and Pb removals using ...

Various parameters, such as the ,neutralization, capacity, changes in pH, redox potential and electric conductivity as a function of time, were quantified. Of the studied treatment agents, concrete showed high ,neutralization, efficiency ,for acid, mine drainage and maintained a pH value above 11.

Comparison of Alkaline Treatment of Lead Contaminated ...
Comparison of Alkaline Treatment of Lead Contaminated ...

pacts of lime and sodium hydroxide ,neutralization, of lead-contaminated acidic ,wastewater, on the amounts of sludge produced, lead removal efficiency and TDS levels of the treated ,wastewater,. This paper hence compares the relative efficiency of lime and sodium hydroxide solu-tions with respect to 1) amounts of sludge produced upon

A comparison of neutralization efficiency of chemicals ...
A comparison of neutralization efficiency of chemicals ...

22/2/2016, · The most widespread, method, used to mitigate, acidic, effluents is an active treatment process involving addition of a chemical-neutralizing agent (Coulton et al. 2003). Highly soluble magnesite, MgSO 4, has been found suitable for selectively precipitating metal hydroxides by raising the pH to 10 (Masindi et al. 2014).

Effects of pollution on marine organisms - Mearns - 2020 ...
Effects of pollution on marine organisms - Mearns - 2020 ...

The proximity of coral reefs to ,wastewater,‐impacted river discharge from the Buranhém River, Brazil, was found to be associated with lower density of foraminifera (Amphistegina gibbosa) populations and higher frequency of bleaching (Marques et al., 2019), while differences in total density, species richness, dominance, and ecological quality indices were observed between a ,wastewater, ...

Neutralization - ScienceDirect
Neutralization - ScienceDirect

1/1/2007, · There are many acceptable methods for neutralizing over acidity or over alkalinity of wastewater, such as, mixing wastes, so that the net effect is a near-neutral pH,, passing acid wastes through beds of limestone, mixing acid wastes, with lime slurries or dolomitic lime slurries, adding the proper proportions of concentrated solutions of caustic soda (NaOH) or soda ash (Na 2 CO 3) to acid wastes,, blowing waste boiler flue, …

2. A water sample is taken from a stream in Nevada ...
2. A water sample is taken from a stream in Nevada ...

2. A water sample is taken from a stream in Nevada receiving ,acid mine, drainage. The stream passes through an area containing gypsum CaSO4. Laboratory analysis shows that the pH of the water is 4, the total concentration of sulfate (SO42-) is 6 x 10-M, and the total concentration of chloride (C1) is ,3, …

A comparison of neutralization efficiency of chemicals ...
A comparison of neutralization efficiency of chemicals ...

Standard chemicals and ,methods, (APHA 2005) were used (1) to determine acidity of the water used in the Power Stations, (2) for preparation of simulated acidic water in the laboratory as is used in the Plants, (3) for detailed ,neutralization, experiments with the acidic water in batch reactors with alkaline materials and in various combinations to evaluate the ,neutralization, efficiency.

Alcoa Statement Regarding Friday's Announcement
Alcoa Statement Regarding Friday's Announcement

The Warrick Power Plant is a four-unit, 742 megawatt (MW), coal-fired, steam-electric generating facility. Units 1, 2 and ,3,, rated at 144 MW each, and one-half of the 300 MW Unit 4 are owned by Alcoa.

Federal Register :: Hazardous Waste Management System ...
Federal Register :: Hazardous Waste Management System ...

14/9/2000, · a. ,Wastewater, management. Facilities in these industries generally treat wastewaters in on-site ,wastewater, treatment plants and discharge to surface waters, or pretreat the waste and discharge to an off-site ,wastewater, Start Printed Page 55693 treatment facility, e.g., a …

PHYSICAL AND CHEMICAL METHODS OF WASTEWATER TREATMENT ...
PHYSICAL AND CHEMICAL METHODS OF WASTEWATER TREATMENT ...

Neutralization, of acids formed during the hydrolysis of ,acid, coagulants can also occur due to an alkaline reserve of the ,wastewater,: When using mixtures of aluminum sulfate A1 2 (SO 4 ) 3 and ferric chloride FeCl 3 in ratios from 1: 1 to 1: 2, the best coagulation result is …

The method of purification of sulfuric acid wastewater ...
The method of purification of sulfuric acid wastewater ...

The method of purification of acidic ,wastewater, vanadium production, including the operation of water and neutralize chemical precipitation of compounds of vanadium, manganese, chromium reagents, followed OTDELENIE conduct ,neutralization, and chemical precipitation of vanadium compounds, manganese, chromium.

CHEMICAL METHODS OF PURIFICATION OF WASTEWATER …
CHEMICAL METHODS OF PURIFICATION OF WASTEWATER …

Neutralization can be carried out in various ways: mixing acidic and alkaline wastewater, adding reagents, filtering acidic waters through neutralizing materials, absorbing acid gases with alkaline waters or absorbing ammonia with acidic waters.

40 CFR § 98.6 - Definitions. | CFR | US Law | LII / Legal ...
40 CFR § 98.6 - Definitions. | CFR | US Law | LII / Legal ...

Carbonate-based mineral means any of the following minerals used in the manufacture of glass: Calcium carbonate (CaCO ,3,), calcium magnesium carbonate (CaMg(CO ,3,) 2), sodium carbonate (Na 2 CO ,3,), barium carbonate (,BaCO 3,), potassium carbonate (K 2 CO ,3,), lithium carbonate (Li 2 CO ,3,), and strontium carbonate (SrCO ,3,).

Membrane processes - Arabi - 2020 - Water Environment ...
Membrane processes - Arabi - 2020 - Water Environment ...

When the A‐MBR system was bubbling with 10% CO 2, nitrogen removal capacity increased from 2.6 ± 0.4 g m −,3, d to ,3,.6 ± 0.4 g m −,3, d. Moreover, membrane fouling was reduced in the A‐MBR system with CO 2 addition, possibly because of overcoming mineral precipitation on the membrane due to lower pH.

(PDF) Development of a Technology for Treating Wastewater ...
(PDF) Development of a Technology for Treating Wastewater ...

The analysis of several technological schemes for the acidic wastewaters ,neutralization, and the selection of the most feasible alternative from a technical-economic point of view were carried out.

Comparison of As Ni Zn Cd and Pb removals using ...
Comparison of As Ni Zn Cd and Pb removals using ...

Various parameters, such as the ,neutralization, capacity, changes in pH, redox potential and electric conductivity as a function of time, were quantified. Of the studied treatment agents, concrete showed high ,neutralization, efficiency ,for acid, mine drainage and maintained a pH value above 11.

CHEMICAL METHODS OF PURIFICATION OF WASTEWATER …
CHEMICAL METHODS OF PURIFICATION OF WASTEWATER …

Neutralization, can be carried out in various ways: mixing acidic and alkaline ,wastewater,, adding reagents, filtering acidic waters through neutralizing materials, absorbing ,acid, gases with alkaline waters or absorbing ammonia with acidic waters.

Comparison of Different Tuning Methods for pH ...
Comparison of Different Tuning Methods for pH ...

Neutralization, is a process for reducing the acidity or alkalinity by mixing acids and bases to produce neutral solution. It is a reaction where an ,acid, and a base react to form water and a salt. Strong ,acid, and strong base ,neutralization, has a pH equal to 7 whereas the ,neutralization, of a strong ,acid, and weak base will have a pH of less than 7.

Development of a Technology for Treating Wastewater ...
Development of a Technology for Treating Wastewater ...

The neutralization with ammonia represents the best alternative because it offers a viable solution for the acidic wastewater treatment obtaining a final product with demand in the agriculture. Although obtaining ammonium nitrate pearl has several advantages, the equipment and production costs are very high.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City