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A large amount of acid wastewater was discharged from a factory

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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A large amount of acid wastewater was discharged from a factory
Resource Recovery from Wastewater by Biological ...
Resource Recovery from Wastewater by Biological ...

Limits in resource availability are driving a change in current societal production systems, changing the focus from residues ,treatment,, such as ,wastewater treatment,, toward resource recovery. Biotechnological processes offer an economic and versatile way to concentrate and transform resources from waste/,wastewater, into valuable products, which is a prerequisite for the technological ...

Phosphorous removal from wastewater | Water Industry Journal
Phosphorous removal from wastewater | Water Industry Journal

A well-buffered system maintains ,the pH, where ,biological, activity is optimised and allows for a more efficient use of oxygen, leading to reduced energy costs. Treating wastewaters using lime-based reagents ,increases, the wastewaters’ buffering capacity and helps the phosphorous removal step.

9. Wastewater use case studies
9. Wastewater use case studies

Historically, agricultural use has dominated, and continues to ,do, so, but over the past decade reclaimed ,wastewater, has been increasingly used for landscape irrigation in urban areas and for groundwater recharge. Most of the reclaimed water (78%) is used in the Central Valley and South Coastal regions of California.

Wastewater treatment in the fishery industry - 2 ...
Wastewater treatment in the fishery industry - 2 ...

The pH, itself is not a contaminant but is important as a characterization parameter since it may reveal contamination or indicate the need for its correction before ,biological treatment, of the ,wastewater,. Effluents from fish processing plants are seldom acidic and are usually close to 7 or alkaline.

Understanding the Basics of Industrial Effluent Treatment ...
Understanding the Basics of Industrial Effluent Treatment ...

7/3/2017, · No amount of added acetic ,acid, will ,produce, a solution at pH 1. The strength of acids or alkalis is not defined by their concentration, and solutions of both weak and strong acids ,do, exhibit some concentration-related pH change. A 0.01-M solution of HCl has a pH of 2, and a pure 1-M solution has a pH of 0.1.

Optimize the pH Balance of Cooling Tower Water- Chardon Labs
Optimize the pH Balance of Cooling Tower Water- Chardon Labs

Why Does Unbalanced ,pH, Happen? ,The pH, measures the balance ,of acid, and base in a substance. The more alkaline — baser — a material is, the higher its ,pH,. The neutral ,pH, of cooling tower water is 7.0. For every 1.0 increase in ,pH,, the alkalinity ,increases, by ten times, according to …

Optimize the pH Balance of Cooling Tower Water- Chardon Labs
Optimize the pH Balance of Cooling Tower Water- Chardon Labs

Why Does Unbalanced ,pH, Happen? ,The pH, measures the balance ,of acid, and base in a substance. The more alkaline — baser — a material is, the higher its ,pH,. The neutral ,pH, of cooling tower water is 7.0. For every 1.0 increase in ,pH,, the alkalinity ,increases, by ten times, according to …

ACID MINE DRAINAGE TREATMENT AND METAL REMOVAL …
ACID MINE DRAINAGE TREATMENT AND METAL REMOVAL …

A number ,of biological, processes can remove metals from ,wastewater, and generate alkalinity (consume acidity), and therefore have potential uses in neutralizing AMD. However, due to the elevation of ,pH, that typically occurs during the removal of metals and sulfate, sulfate-reduction appears to be the most promising bioprocess for AMD ,treatment, and metal recovery.

Advanced wastewater treatment - SlideShare
Advanced wastewater treatment - SlideShare

Phosphoric ,acid,, pyrophosphate, atp; s ,the pH value, of the ,wastewater increases, beyond about 10, excess calcium ions will then react with the phosphate, to precipitate in hydroxylapatite: The common element in EBPR implementations is the presence of an anaerobic tank (nitrate and oxygen are absent) prior to the aeration tank.

ORP Management in Wastewater as an Indicator of Process ...
ORP Management in Wastewater as an Indicator of Process ...

Wastewater, plants conduct ,biological, phosphorus removal to meet total phosphorus discharge limits. The process consists of two ,treatment, steps - first, ,biological, phosphorus release and, second, ,biological, phosphorus removal. In ,biological, phosphorus release, fermentative bacteria produce fatty acids in an anaerobic tank having an ORP range of ...

ORP Management in Wastewater as an Indicator of Process ...
ORP Management in Wastewater as an Indicator of Process ...

Wastewater, plants conduct ,biological, phosphorus removal to meet total phosphorus discharge limits. The process consists of two ,treatment, steps - first, ,biological, phosphorus release and, second, ,biological, phosphorus removal. In ,biological, phosphorus release, fermentative bacteria produce fatty acids in an anaerobic tank having an ORP range of ...

Membrane bioreactor - Wikipedia
Membrane bioreactor - Wikipedia

Membrane bioreactor, (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a ,biological wastewater treatment, process, the activated sludge process.It is now widely used for municipal and industrial ,wastewater treatment,.

Membrane bioreactor - Wikipedia
Membrane bioreactor - Wikipedia

Membrane bioreactor, (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a ,biological wastewater treatment, process, the activated sludge process.It is now widely used for municipal and industrial ,wastewater treatment,.

Advanced wastewater treatment - SlideShare
Advanced wastewater treatment - SlideShare

Phosphoric ,acid,, pyrophosphate, atp; s ,the pH value, of the ,wastewater increases, beyond about 10, excess calcium ions will then react with the phosphate, to precipitate in hydroxylapatite: The common element in EBPR implementations is the presence of an anaerobic tank (nitrate and oxygen are absent) prior to the aeration tank.

Anaerobic treatment of wastewater from the household and ...
Anaerobic treatment of wastewater from the household and ...

These modifications may be attributed to the synthesis of new products and some operational problems in the facility, such as an ,acid, spill during its transfer from storage tanks, resulting in a substantial decrease in ,wastewater pH, (from 6.5 to 2.5).

Brief Analysis of the Main Treatment Methods of Phosphoric ...
Brief Analysis of the Main Treatment Methods of Phosphoric ...

The larger the equilibrium constant is, the more stable the precipitate is, the better the precipitation effect is, the more thorough the dephosphorization is, the better the solid-liquid separation effect is, and the ,treatment, of phosphorus-containing ,wastewater, is up to the standard, P < 0.5mg/L. Adding lime can improve ,the pH value, of ,wastewater, and remove phosphorus, at the same time, the ...

PAPER OPEN ACCESS Starch wastewater treatment technology
PAPER OPEN ACCESS Starch wastewater treatment technology

Aerobic ,biological treatment, Compared with anaerobic ,biological, method, aerobic ,biological treatment, method has the advantages of strong ,treatment, capacity, good effluent quality and less land use, so it is widely used in various countries.Xin-kai liao etc.[14], SBR was used to treat simulated starch ,wastewater,.For the ,wastewater

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