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

For acidic wastewater treatment

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.

For acidic wastewater treatment
Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · Chemical ,treatment, is now considered as a tertiary ,treatment, that can be more broadly defined as “,treatment, of ,wastewater, by a process involving chemical ,treatment,”. The mostly implemented chemical ,treatment, processes are: chemical precipitation, neutralization, adsorption, disinfection (chlorine, ozone, ultraviolet light), and ion exchange.

(PDF) Wastewater Treatment Methodologies Review Article
(PDF) Wastewater Treatment Methodologies Review Article

Refractory organics They tend to resist conventional ,wastewater treatment, include surfactants, phenols and agricultural pesticides. Heavy metals They are highly toxic and environmentally hazardous ...

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

There are four main reasons to control the pH in ,wastewater,: 1. Protect human health and the environment; fish and other living organisms in rivers and streams. 2. Protect the ,wastewater, infrastructure from corrosion, especially from acidic ,wastewater,. 3. Protect the biological ,treatment, process incorporated at most municipal ,treatment, systems. 4.

Removal Technologies in Wastewater Treatment | IWA Publishing
Removal Technologies in Wastewater Treatment | IWA Publishing

Biosorption is one of the most promising technologies in the removal of toxic metals from aqueous solution, municipal and industrial ,wastewater, (Senthilkumar et al., 2000). It involves low cost, easily available dead or living biomass (materials of biological origin) that removes heavy metals from ,wastewater, and sludge (Azza, 2009).

Wastewater — THEMAROX®DIRECT
Wastewater — THEMAROX®DIRECT

The activated sludge process is the primary ,method, to treat ,wastewater, using air and a biological floc composed of bacteria and protozoa. Although this ,method, was very useful 50 years ago, it has now become inefficient due to a rapid increase of consumption goods disposal. The Issues with the Activated Sludge Process for Treating ,Wastewater

Wastewater Class B Certification Practice Quiz
Wastewater Class B Certification Practice Quiz

Wastewater Class B Certification Practice Quiz, . 1. A common remedy for activated sludge system problems is to increase the waste activated sludge (WAS) flow rate. When would an increase of WAS rate ,NOT, be correct? A. When pin-point floc is observed on the clarifier surface . B. When thick, scummy foam is seen on the aeration tank surface . C.

WEF Wastewater Operators Practice Exam Flashcards - Cram.com
WEF Wastewater Operators Practice Exam Flashcards - Cram.com

Your ,wastewater treatment, plant serves 1100 people. the flow avg is 80,000gpd. the approximate daily flow ... ,acid,, carbon dioxide, or sulfuric ,acid, will ____ the pH of ,wastewater,. a. neutralize b. lower c. increase d. have no effect on ... ,Which of the following, organisms should ,not, be present in a healthy lagoon ,treatment, system: a ...

Wastewater Operator certification Study Guide-Grade 2 ...
Wastewater Operator certification Study Guide-Grade 2 ...

a. nitric ,acid, b. phosphoric ,acid, c. sulfuric ,acid, d. hydrogen sulfide. ... Which one of the ,following is not, a major solids ,treatment method,? a. thickening b. concentration c/ dewatering d. stabilization. ... which one of the ,following wastewater, solids would most likely never end up on a dedicated land disposal (DLD) ...

(PDF) Wastewater Treatment Methodologies Review Article
(PDF) Wastewater Treatment Methodologies Review Article

Refractory organics They tend to resist conventional ,wastewater treatment, include surfactants, phenols and agricultural pesticides. Heavy metals They are highly toxic and environmentally hazardous ...

Measuring pH with an Arduino and pH sensor - Arduino ...
Measuring pH with an Arduino and pH sensor - Arduino ...

14/5/2020, · For example, the liquid that has a pH of 5 is 10 times more ,acidic, than the liquid with a pH of 6. pH measurements are done by measuring the relative amount of free hydrogen and hydroxyl ,ions, in the liquid. If a liquid has more free hydrogen ,ions, = ,Acidic,; If a liquid has more free hydroxyl ,ions, – Base

Waste Water Treatment Methods | IntechOpen
Waste Water Treatment Methods | IntechOpen

Population growth leads to significant increases in default volumes of waste water, which makes it an urgent imperative to develop effective and affordable technologies for ,wastewater treatment,. The physico-chemical processes common ,treatment, (coagulation and flocculation) using various chemical reagents (aluminum chloride or ferric chloride, polyelectrolytes, etc.) and generates large amounts of …

Wastewater ERU specific analysis - Degremont®
Wastewater ERU specific analysis - Degremont®

dilution ,method, (NF EN 1899-1) Appropriate solutions are prepared using the test water and a pure seed water, checking from time to time that the latter ,is not, absorbing noticeable amounts of oxygen. Seeding will ,not, be required when dealing with municipal wastewaters.

Waste Water Treatment Methods | IntechOpen
Waste Water Treatment Methods | IntechOpen

Population growth leads to significant increases in default volumes of ,waste water,, which makes it an urgent imperative to develop effective and affordable technologies for ,wastewater treatment,. The physico-chemical processes common ,treatment, (coagulation and flocculation) using various chemical reagents (aluminum chloride or ferric chloride, polyelectrolytes, etc.) and generates large amounts of …

Wastewater Treatment Methods & Disposal
Wastewater Treatment Methods & Disposal

Wastewater Treatment, Methods & Disposal Page 2 of 8 quiescent conditions, allowing the heavier solids to settle, and removing the "clarified" effluent. Sedimentation for solids separation is a very common process operation and is routinely employed at the beginning and end of ,wastewater treatment, …

Why is urea basic and not acidic? | Yahoo Answers
Why is urea basic and not acidic? | Yahoo Answers

8/5/2007, · First, the urea is spontaneously hydrolyzed to ammonia and carbon dioxide (this is why cat litter boxes smell like ammonia). If the surroundings are ,acidic,, ammonium ,ions, are produced: H2N-C(=O)-NH2 → 2NH3 + CO2(g) NH3 + H+ → NH4+ The ammonium ,ions, are changed to nitrate in two steps by two different organisms.

Wastewater ERU specific analysis - Degremont®
Wastewater ERU specific analysis - Degremont®

dilution ,method, (NF EN 1899-1) Appropriate solutions are prepared using the test water and a pure seed water, checking from time to time that the latter ,is not, absorbing noticeable amounts of oxygen. Seeding will ,not, be required when dealing with municipal wastewaters.

Removal Technologies in Wastewater Treatment | IWA Publishing
Removal Technologies in Wastewater Treatment | IWA Publishing

Biosorption is one of the most promising technologies in the removal of toxic metals from aqueous solution, municipal and industrial ,wastewater, (Senthilkumar et al., 2000). It involves low cost, easily available dead or living biomass (materials of biological origin) that removes heavy metals from ,wastewater, and sludge (Azza, 2009).

Wastewater Class B Certification Practice Quiz
Wastewater Class B Certification Practice Quiz

Wastewater, Class B Certification Practice Quiz . 1. A common remedy for activated sludge system problems is to increase the waste activated sludge (WAS) flow rate. When would an increase of WAS rate ,NOT, be correct? A. When pin-point floc is observed on the clarifier surface . B. When thick, scummy foam is seen on the aeration tank surface . C.

Method for anaerobic wastewater treatment - Purac Aktiebolag
Method for anaerobic wastewater treatment - Purac Aktiebolag

This invention relates to a ,method, in the ,treatment, of ,wastewater, from the manufacture of mechanical or chemi-mechanical cellulose pulp at closed manufacturing processes. The ,treatment, is carried out according to the invention in two steps, viz. a hydrolysis and ,acid, fermentation step and a methane fermentation step.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City