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

Ferrous sulfate was added into chromium containing wastewater under acidic condition

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.

Ferrous sulfate was added into chromium containing wastewater under acidic condition
lime dosing in wastewater treatment
lime dosing in wastewater treatment

Waste water treatment, The use of either quick or slaked lime for sludge stabilization is an attractive and cost effective way to reduce odours, killed pathogens and converts sludge into a usable product for land application in case ,of acid, soil. Lime dosing Lime, or ,milk, of lime, or kalkmilch is one of the most widely used chemical with excellent pH adjustment properties.

Wastewater treatment - SlideShare
Wastewater treatment - SlideShare

9/10/2014, · Trickling filters bed • Spread ,wastewater, over microorganism • made of coke (carbonized coal), ,limestone, chips or specially fabricated plastic media • Optimize their thickness by insect or worm grazing 10/9/2014 Waste treatment and cleaner Technologies 73. 10/9/2014 Waste treatment and cleaner Technologies 74.

Acid Alkali & Mildew Resistant Fabrics
Acid Alkali & Mildew Resistant Fabrics

Distributor of ,acid,, ,alkali,, and mildew resistant cloth and fabrics for boiler manufacturing and service, petrochemical and refining, aerospace, heat ,treating,, foundry, and power generation markets. Features include alumina-silica based refractory fiber construction with reinforcement carrier, corrosion resistant characteristics, and low thermal conductivity.

Flue Gas Treatment | Lhoist - Minerals and lime producer
Flue Gas Treatment | Lhoist - Minerals and lime producer

Condensed acid gases, are washed using a liquor of either milk of lime/lime slurry or a suspension of calcium carbonate (milled limestone). This process is typically used in large installations because of the higher investment cost and the need to treat residual water.

Sprinkling Washing Tower - Acid and Alkali Waste Gas Treatment
Sprinkling Washing Tower - Acid and Alkali Waste Gas Treatment

The vertical washing tower is designed to treat ,acid,-alkaline exhaust gas (such as HCL, HCO3, HCN, H2CRO4, HF, H2SO4, CI2, etc.). The cylindrical structure has high design strength, low wind resistance coefficient, low pressure drops, high treatment efficiency, and little space occupied.

(PDF) Acid mine drainage treatment using by-products from ...
(PDF) Acid mine drainage treatment using by-products from ...

Limestone and lime treatment was the most cost-effective technology for neutralization and partial sulphate removal of acidic/sulphate-rich water to sulphate levels of less than 1500 mg/l due to ...

A Case Study of Dyestuff Chemical Wastewater Treatment ...
A Case Study of Dyestuff Chemical Wastewater Treatment ...

3/8/2019, · Fang Li et al. The practice of treating ,acid,-making ,wastewater, with three-stage lime ,milk, neutralization [B]. Energy saving in nonferrous metallurgy. 2006 (6), 45-47.

Effluent & Wastewater Treatment | Tarmac Buxton Lime
Effluent & Wastewater Treatment | Tarmac Buxton Lime

Tarmac Buxton, Lime, offers a range of high purity, lime, solutions to meet the needs of all types of effluent and, wastewater treatment, plants. CALBUX QUICKLIME The Calbux range is of consistent high purity and available in a range of reactivities to suit any quicklime reactor or slaking process.

Dairy Wastewater Treatment with Constructed Wetlands ...
Dairy Wastewater Treatment with Constructed Wetlands ...

e system built in 1996 treated the ,wastewater, from the flushing of the ,milk, lines (200 L/d), the ,milk, cooling tank (200 L/d), the cleaning water of the milking parlor (approx. 100 L/d and on average

Pilot study on the effects of operating parameters on ...
Pilot study on the effects of operating parameters on ...

Alkali,/surfactant/polymer (ASP) flooding ,wastewater, is commonly produced in enhanced oil extraction processes and needs to be properly treated prior to reuse due to the potential threat of formation damage. Ultrafiltration (UF) is an effective technique ,for treating, ASP flooding ,wastewater, to meet the requirements for reinjection water.

Environmental Protection - Intercal Austria GmbH
Environmental Protection - Intercal Austria GmbH

It is used to treat industrial residues such as ,wastewater, and exhaust gases. Lime neutralises the ,wastewater, in sewage treatment plants. Acidic ,wastewater, containing hydrochloric ,acid,, sulphuric ,acid, or hydrofluoric ,acid,, for example, is neutralised with ,milk, of lime …

Research of Purifying Terephthalic Acid and Recycling PET ...
Research of Purifying Terephthalic Acid and Recycling PET ...

Abstract: Recovery of high pure Terephthalic ,Acid, (TA) from ,Alkali, weight-reduction ,wastewater, by PET hydrolyzing has been researched by purified mother liquid with activated carbon adsorption. The characters of TA obtained were investigated by various indexes. The effects of activated carbon on crystaled TA were also been studied by scanning electronic microscopy (SEM) and particle size analysis.

Wastewater treatment issues: Cyanide destruction questions
Wastewater treatment issues: Cyanide destruction questions

If you are batch-,treating, because you have very little such ,waste water,, and you are looking for a minimal system, it can be done manually. First, you raise the pH to at least 11.5, if necessary, with further additions of an ,alkali, (with good mixing). Since you are already familiar with caustic soda, that could be a good choice for the ,alkali,.

Skid Mounted pH Adjustment Systems for Industrial Wastewater
Skid Mounted pH Adjustment Systems for Industrial Wastewater

Industrial Wastewater Neutralization Systems, Fluoride Removal, Systems, Heavy Metal Reduction. Digital Analysis Manufactures a complete line ,industrial wastewater, treatment systems ranging from small pH adjustment systems to ,acid, waste neutralization systems in excess of 10,000 GPM.

Research of acid mine wastewater treatment technology
Research of acid mine wastewater treatment technology

According to different neutralizers used, neutralization process can be divided into the method of ,milk, of lime neutralization and two steps of neutralization [3][9]. The method of ,milk, of lime neutralization only uses the lime ,milk,, according to the need to process ,acid, sewage, can adopt step or more steps process. 2.2 Sulphide precipitation process

What are the four major factors that affect the ...
What are the four major factors that affect the ...

Cherish life from source,let’s get purified water with the water treatment systems!

(PDF) Acid mine drainage treatment using by-products from ...
(PDF) Acid mine drainage treatment using by-products from ...

Limestone, and lime treatment was the most cost-effective technology for neutralization and partial sulphate removal of acidic/sulphate-rich water to sulphate levels of less than 1500 mg/l due to ...

Cheese whey wastewater: Characterization and treatment ...
Cheese whey wastewater: Characterization and treatment ...

15/2/2013, · This research presents an exhaustive characterization of cheese and other dairy effluents. We focus our attention on cheese whey ,wastewater, as a strong biodegradable saline effluent. We report on the biological and physicochemical treatments of cheese whey ,wastewater,. We show that a pre-treatment with chemical precipitation is a viable solution for these effluents. The implementation of …

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

This ,wastewater, containing solid particles of the nitroaromatic compounds and nitric ,acid, in a concentration range between 58 and 62% constitutes a potential risk to the environment. The present study is focused on to develop an efficient installation to treat acidic ,wastewater, resulting from the synthesis process of nitroaromatic compound, considering workers safety and environmental criteria.

To neautralize an alkaline waste water - FluksAqua
To neautralize an alkaline waste water - FluksAqua

(1) the, neutralization, method of acid and alkaline wastewater is to introduce acid wastewater and alkaline wastewater together into the, neutralization, tank and mix them in the tank.As a result, the wastewater should be neutral or weak alkaline.(2) the, neutralization, and treatment of acidic waste water by the application of, neutralization, method include lime, limestone, dolomite, sodium hydroxide, …

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City