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

Treatment of hexavalent chromium acid 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 hexavalent chromium acid wastewater
Introduction To Activated Sludge Study Guide
Introduction To Activated Sludge Study Guide

A term to describe the biological treatment of ,wastewater,. ,Activated sludge, is a type of secondary treatment. Secondary treatment provides a ,high, level of removal of biodegradable ,organic, pollutants to protect receiving water quality that clarification alone cannot provide. A process to reduce the ,concentration, of suspended matter in water.

Enhanced bioelectrochemical treatment of petroleum ...
Enhanced bioelectrochemical treatment of petroleum ...

12/11/2020, · Labaneh whey (LW) wastewater that is produced in large quantities is found to have higher organic matter content and is readily biodegradable 8, 40. LW …

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Usually phenolic ,wastewater, with a mass ,concentration, of 1000mg/L is called ,high,-,concentration, phenol-containing ,wastewater,, and this kind of ,wastewater, must be recovered after treatment. The phenol-containing ,wastewater, with a mass ,concentration, of less than 1000 mg/L is called a low ,concentration, phenol-containing ,wastewater,.

Determination of four acidic nonsteroidal anti ...
Determination of four acidic nonsteroidal anti ...

A ,high, value of EF shows a good affinity and good ,concentration, of the analyte in the ,organic, phase. For our purpose EF was calculated based of the following equation [18, 28]: EF = CFL/CAq (1) where CFL and CAq are ,concentration, of the analyte in the floating phase and initial ,concentration, of the analyte in the aqueous sample.

Determination of four acidic nonsteroidal anti ...
Determination of four acidic nonsteroidal anti ...

A simple, environmentally friendly, and sensitive dispersive liquid-liquid microextraction based on solidification of floating organic droplet for the extraction of four acidic nonsteroidal anti-inflammatory drugs (ketoprofen, naproxen, ibuprofen, and diclofenac) from wastewater samples subsequent by high-performance liquid chromatography analysis was developed.

ORGANIC WASTEWATER TREATMENT USING ENZYME …
ORGANIC WASTEWATER TREATMENT USING ENZYME …

concentration, of ,organic, matter in ,wastewater,. It is a measure of the amount of dissolved oxygen used by microorganisms in the water. If the amount of ,organic, matter in sewage is more, the more oxygen will be utilized by microorganisms to degrade dumping sewage which containing ,high, BOD value.

Extractable Organic Components and Nutrients in Wastewater ...
Extractable Organic Components and Nutrients in Wastewater ...

Consequently, the influence of ,organic, extracts of ,wastewater, on the growth of E. coli O157:H7 and E. coli ONT:H32 in reduced-strength LB was monitored, followed by scale-up tests in ,wastewater,. ,Acidic, and basic extracts inhibited growth of both strains, while the neutral aqueous extract improved growth.

Removal of Organic Matter from Wastewater by Activated ...
Removal of Organic Matter from Wastewater by Activated ...

Abstract—,Wastewater, is the by-product of municipal, agricultural and industrial activity. The chemical composition of ,wastewater, reflects the origin from which it came. Removal of ,organic, matter from ,wastewater, is essential so that treated water can meet the acceptable quality standards to …

Chapter 3: Advanced Wastewater Treatment for Nitrogen Removal
Chapter 3: Advanced Wastewater Treatment for Nitrogen Removal

most of the ,organic, nitrogen in sanitary ,wastewater, ... region of ,high, solute ,concentration, through a membrane to a region of low solute ,concentration, by applying a pressure in ... Strongly ,acidic, functional groups derived from strong acids, e.g., R-SO 3 H (sulfonic)

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

The wastewater produced by PCB fabrication process also contains plenty of organic substances, such as surfactants, inks, resists, organic dispersants, brighteners, degreasers and other high concentrations of organic compounds, as well as ammonia, cyanide, fluoride, phosphorus and other pollutants.

High-quality ecologically sound remediation of acidic ...
High-quality ecologically sound remediation of acidic ...

Therefore, the bicarbonate ,concentration, in the swine ,wastewater, is ten times higher than that in typical freshwater systems. This ,high, level of bicarbonate could add to the pollution load of the discharged ,wastewater,. ,Acidic, soils are widely distributed in China and other counties 14, occupying approximately half of the total arable land area ...

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

• ,High, levels of toxic ,organic, compounds that are associated with oily ,wastewater, and solvents ... Because pH is simply another means of referring to the hydrogen ion ,concentration,, ,acidic, and basic solutions can be distinguished on the basis ... 2. Protect the ,wastewater, infrastructure from corrosion, especially from ,acidic wastewater,. 3.

Characteristics of Wastewater | Wastewater Management
Characteristics of Wastewater | Wastewater Management

A ,high concentration, of either an acid (pH ≪ 7) or alkali ... The COD test involves an ,acidic, oxidation with potassium dichromate. ... This is a theoretical method of computing the oxygen demand of various constituents of the ,organic, matter present in ,wastewater,. The ,organic, matter present in the ,wastewater, may be of animal or vegetable ...

Apparatus for the removal of heavy metals from acidic ...
Apparatus for the removal of heavy metals from acidic ...

An apparatus for removing ,high, concentrations of heavy metals from ,acidic wastewater, comprising: (a) a chemical storage tank containing a 50% solution of sodium hydroxide (NaOH); (b) a first conditioning tank connected to said chemical storage tank to receive said sodium hydroxide and then mix said sodium hydroxide with said ,acidic wastewater, to increase a pH level of said ,acidic wastewater, to ...

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

• ,High, levels of toxic ,organic, compounds that are associated with oily ,wastewater, and solvents ... Because pH is simply another means of referring to the hydrogen ion ,concentration,, ,acidic, and basic solutions can be distinguished on the basis ... 2. Protect the ,wastewater, infrastructure from corrosion, especially from ,acidic wastewater,. 3.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City