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

Treatment of acid and alkaline 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.

Certificate of Honor

Get in touch with us

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

Treatment of acid and alkaline wastewater
Craft Brewery Impact on Wastewater Treatment
Craft Brewery Impact on Wastewater Treatment

Regulating, Breweries’ Discharges to the Collection System City ordinances regulate the discharge of non-domestic wastewater to the collection system. The ordinance will restrict the discharge of high and low ,pH, wastewater. The ordinance may have narrative restrictions that apply to breweries.

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · Indeed the ,pH, of mining wastewater can be a huge concern for many mines, both operational and abandoned. Lottermoser (2010) gives the following classification of mine waters based on ,pH,: Extremely acidic: ,ph,<1, extreme examples of acidities generated through sulphide oxidation and hydrolysis reactions.

Acidity and Alkalinity - wastewater treatment
Acidity and Alkalinity - wastewater treatment

Alkalinity is determined by titration with sulfuric acid to a pH of, 4.5., While these pH end-points are common in wastewater situations, other end-points are often …

Increasing Effectiveness of Wastewater and Industrial ...
Increasing Effectiveness of Wastewater and Industrial ...

Humic ,acid, and fulvic ,acid, are both soluble in aqueous solutions under different ,pH, conditions. Fulvic ,acid, is soluble in aqueous solution under all ,pH, conditions whereas humic ,acid, is soluble only at high ,pH, in alkaline solutions but precipitates in ,acid, solutions. The remaining fraction of the humic substances, humin, is insoluble at any ,pH,.

Increasing Effectiveness of Wastewater and Industrial ...
Increasing Effectiveness of Wastewater and Industrial ...

23/6/2020, · Humic ,acid, and fulvic ,acid, are both soluble in aqueous solutions under different ,pH, conditions. Fulvic ,acid, is soluble in aqueous solution under all ,pH, conditions whereas humic ,acid, is soluble only at high ,pH, in alkaline solutions but precipitates in ,acid, solutions. The remaining fraction of the humic substances, humin, is insoluble at any ,pH,.

pH Correction – Water Treatment Chemicals | Acorn Water
pH Correction – Water Treatment Chemicals | Acorn Water

Regulating pH is an major part of water treatment that helps prevent pipeline corrosion and maintains safe drinking water conditions. Measurements of pH range between 0 and 14 and represent the concentration of free hydrogen ions present in a solution. The pH values of acids are below 7 and those of bases are above.

pH Correction – Water Treatment Chemicals | Acorn Water
pH Correction – Water Treatment Chemicals | Acorn Water

Regulating pH is, an major part of water treatment that helps prevent pipeline corrosion and maintains safe drinking water conditions., Measurements of pH range between 0 and 14 and represent the concentration of free hydrogen ions present in a solution. The pH values of acids are below 7 and those of bases are above.

Causes of concrete deterioration in wastewater facilities ...
Causes of concrete deterioration in wastewater facilities ...

A synthetic chemical attack happens when manufactured acids are mixed with the wastewater, lowering the pH and initiating an acid attack. A natural chemical attack commonly found in wastewater facilities includes sewage that forms a layer of sludge. The sludge …

Acidity and Alkalinity - wastewater treatment
Acidity and Alkalinity - wastewater treatment

Acidity levels in wastewater indicate its corrosive properties and can take a leading role in regulating biological processes as well as in chemical reactions (such as chemical coagulation and flocculation).

System-level understanding of the potential acid-tolerance ...
System-level understanding of the potential acid-tolerance ...

Here, we unraveled the potential ,acid,-tolerance components of ZJJN-3 by comparing the physiological differences with ZJJN-5 under different ,acid, stresses. The parameters used for comparison included intracellular ,pH, (pHin), capsule morphology, fatty ,acid, composition of cell membrane, transcription of key molecular chaperones, H(+)-ATPase activities and NAD(+)/NADH ratio.

Chemical Scrubbers - Webster Environmental Associates Inc.
Chemical Scrubbers - Webster Environmental Associates Inc.

The oxidation reactions are dependent on ,pH,, with the optimum scrubber solution ,pH, being in the 9.5 – 10.5 range. In this range, hydrogen sulfide is absorbed into the recirculating liquid. As ,pH, decreases below the optimum range, the hydrogen sulfide solubility decreases and does not absorb into the scrubber solution as effectively.

Construction of fibrous bed bioreactor for enhanced ...
Construction of fibrous bed bioreactor for enhanced ...

A new applicability of, wastewater, of dextran fermentation (WWDF) for biological production of succinic acid with A. succinogenes CCTCC M2012036 was reported in this work for the first time. Notably, K2CO3 was used instead of MgCO3 in the, pH regulating, process for operational feasibility and a cell immobilization methodology by attaching cells on cotton fibrous matrix was adopted for cell recycle.

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · Indeed the pH of mining wastewater can be a huge concern for many mines, both operational and abandoned. Lottermoser (2010) gives the following classification of mine waters based on pH: Extremely acidic: ph<1, extreme examples of acidities generated through sulphide oxidation and hydrolysis reactions.

WO2005009908A2 - System and method for treatment of acidic ...
WO2005009908A2 - System and method for treatment of acidic ...

A wastewater treatment system comprising separation unit operations inhibits or promotes the formation and precipitation of species by controlling the ,pH, of wastewater to be treated entering into the separation unit operations. The separation unit operations include first and second reverse osmosis devices. The first reverse osmosis device treats wastewater having ,pH, that is less than about 3 ...

WO2005009908A2 - System and method for treatment of acidic ...
WO2005009908A2 - System and method for treatment of acidic ...

The separation unit operations include first and second reverse osmosis devices. The first reverse osmosis device treats ,wastewater, having ,pH, that is less than about 3.5 and the second reverse osmosis device treats ,wastewater,, from the first reverse osmosis device, having a ,pH, that is about 6 or higher.

Characteristic and Regulation.docx - Characteristics of ...
Characteristic and Regulation.docx - Characteristics of ...

The physical parameters for the characteristics of ,acid, mine drainage as a ,wastewater, include colour, taste and odour, temperature, ,pH, value while the chemical characteristics composed of organic compounds and inorganic compounds. The occurrence of ,acid, mine drainage will

Causes of concrete deterioration in wastewater facilities ...
Causes of concrete deterioration in wastewater facilities ...

Chemical attacks on concrete – Chemical attacks can occur both naturally and synthetically in wastewater facilities. A synthetic chemical attack happens when manufactured acids are mixed with the, wastewater,, lowering the pH and initiating an acid attack.

Chemical Scrubbers - Webster Environmental Associates Inc.
Chemical Scrubbers - Webster Environmental Associates Inc.

The oxidation reactions are dependent on ,pH,, with the optimum scrubber solution ,pH, being in the 9.5 – 10.5 range. In this range, hydrogen sulfide is absorbed into the recirculating liquid. As ,pH, decreases below the optimum range, the hydrogen sulfide solubility decreases and does not absorb into the scrubber solution as effectively.

ISTT - Chemicals Used in Leather Processing
ISTT - Chemicals Used in Leather Processing

Sulphuric ,acid, is used during the pickling process to lower the ,pH, of the hides or skins. It is a very strong ,acid, and results in a very low ,pH, during the pickling process is used on its own. Salt. Salt is used during the pickling process to prevent ,acid, swelling of the hides or skins. Salt-free pickling chemicals

Common Problems with Biological Wastewater Treatment ...
Common Problems with Biological Wastewater Treatment ...

Biological wastewater treatment systems,, therefore, require careful monitoring and management of ,pH, levels. Often in the course of treatment, the biomass can produce acids, and plant operators will generally need to ensure that sufficient alkalinity is present in the waste stream in order to maintain proper ,pH,.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City