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

Acid ammonia nitrogen 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.

Acid ammonia nitrogen wastewater
STUDY OF C.I. ACID ORANGE 7 REMOVAL IN CONTAMINATED …
STUDY OF C.I. ACID ORANGE 7 REMOVAL IN CONTAMINATED …

chamber with ,aluminum foil, cover, UV-C lamp (30 W, Philips), magnetic stirrer and a 500 ml beaker as reaction chamber. The system was cooled using air stream. Proper volumes of AO7 stock solution were mixed with photocatalyst (ZnO) or chemical reagents (H 2O 2, Fe (III), oxalate) and were diluted to 100 ml. These suspensions were

Handling Corrosive Fume Exhaust In Solar Cell Manufacturing
Handling Corrosive Fume Exhaust In Solar Cell Manufacturing

At the heart of this flexible solar cell technology is a process in which silicon feedstock is refined and rolled into tiny spheres, then diffused and front-bonded to perforated ,aluminum foil,. The bonded material then undergoes chemical etching and shunt passivation, and finally, back-bonding to another layer ,of aluminum foil,.

Aluminum Introduction - News - Zibo Metal Advanced ...
Aluminum Introduction - News - Zibo Metal Advanced ...

Aluminum, powder and ,aluminum foil, are heated in the air to burn violently and give off a dazzling white flame. Soluble in dilute sulfuric ,acid,, nitric ,acid,, hydrochloric ,acid,, sodium hydroxide and potassium hydroxide solution, difficult to dissolve in water.

Recycling of Multilayer Packaging Foils by using Diferent ...
Recycling of Multilayer Packaging Foils by using Diferent ...

examples for ,Aluminum, and polymer content in several multilayer packages ,foil, (see Figure 1). According to the literature, for ,aluminum, recovering from ,aluminum, alloy processing, wet process separation method has been selected, for which, we used six different solvents: acetic ,acid,, acetone, dimethyl formamide, ethanol, ethyl

for production of aluminum sulfate
for production of aluminum sulfate

for production ,of aluminum, sulfate. The most important and the most valuable process developed by dabster is the production ,of aluminum, sulfate from various raw materials dabster owns the technology and knowhow to produce ,aluminum, sulphate from such raw materials like kaolin, bauxite and ,aluminum, hydroxide the process occurs under conditions of elevated temperature and pressure and takes place ...

Ferric reduction in organic matter oxidation and its ...
Ferric reduction in organic matter oxidation and its ...

16/2/2017, · Co-treatment of ,acid, mine drainage and municipal ,wastewater,, as an example, has been shown to be an effective method for removing organic materials, metals, and phosphate from the both wastes. It also suggested the applicability of ,ferric, reduction process in ,wastewater, treatment.

Biological Nutrient Removal manual
Biological Nutrient Removal manual

Biological Nutrient Removal manual. ,Minnesota Pollution Control Agency, 520 Lafayette Rd N St. Paul, MN 55155-4194 ,www.pca.state.mn.us, wq-wwtp8-21. 651-296-6300 Toll free 800-657-3864 August 2011. Biological Nutrient Removal. Authors. Kay Curtin Steve Duerre …

Just Like The Color Of It Aluminum Foil Is Not 'Green'
Just Like The Color Of It Aluminum Foil Is Not 'Green'

Next, we will talk about the impacts ,of aluminum foil, in its ,foil, form. Producing the ,foil, requires more energy than producing plastic wrap. It requires just 17% energy and produces 12% of greenhouse gasses to produce plastic wrap compared to ,aluminum foil,.

APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ...
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ...

The MDL for a specific ,wastewater, may differ from those listed, depending ... ,acid,. The ,acid, extract is then neutralized and extracted with chloroform. ... ,aluminum foil,. 3.1.2 The use of high purity reagents and solvents helps to minimize interference problems.

Removal of Fluorine from Wet-Process Phosphoric Acid Using ...
Removal of Fluorine from Wet-Process Phosphoric Acid Using ...

The deep removal of fluorine ,from, wet-process phosphoric ,acid, is currently a very serious issue. In this paper, an efficient liquid–liquid separation method based on a bubble membrane was developed to solve this problem. Tributyl phosphate (TBP) and silicon oil (SIO) were used as the organic phase.

Aluminum production process,Leveling,bright_aluminum …
Aluminum production process,Leveling,bright_aluminum …

Such a high consumption ,of aluminum,, waste of resources and serious environmental problem, increase the cost of ,wastewater, treatment. The process has been used for over 100 years, much of the world still in use ,ALUMINUM,, until the last two years, was gradually replaced by the etching.

Removal of acetaminophen from wastewater by constructed ...
Removal of acetaminophen from wastewater by constructed ...

The low level of ACT reduction in reactor A (without ,aluminum foil, cover) indicated the minor role of photolytic degradation in ACT, which was similar to the findings of Yamamoto et al. [16]. The higher rate of ACT removal in reactor C (99.5%) compared to reactor A (55.7%), was likely due to transformation of ACT into by-products.

Appendix A to Part 136 Methods for Organic Chemical ...
Appendix A to Part 136 Methods for Organic Chemical ...

contaminants. Store inverted or capped with ,aluminum foil,. 3.1.2 The use of high purity reagents and solvents helps to minimize interference problems. Purification of solvents by distillation in all-glass systems may be required. 3.2 Matrix interferences may be caused by contaminants that are co-extracted from the sample.

Tips and Ideas : WWOA
Tips and Ideas : WWOA

The test has the sulfuric ,acid,, ammonium molybdate, and antimony potassium tartrate and water in a single solution that can be stored for a year. Adding 0.5 mg of ascorbic ,acid, to 100 ml of the solution completes the combined reagent. Call Dean to arrange a demonstration or to …

A review of biological sulfate conversions in wastewater ...
A review of biological sulfate conversions in wastewater ...

15/11/2014, · The sulfur cycle connects with carbon, nitrogen and phosphorus cycles, thus a new platform of sulfur based biotechnologies incorporating sulfur cycle with other cycles can be developed, for the removal of ,sulfate, and other pollutants (e.g. carbon, …

ChemEngineering | Free Full-Text | Removal of the ...
ChemEngineering | Free Full-Text | Removal of the ...

The combined chemical and biological treatment of this ,wastewater, in the bioreactors with hematite iron ore removed up to 70% of TOC. About 20% of TOC was removed quickly by adsorption on iron ore particles, but adsorption/precipitation of others up to 50% of TOC was due to ferrous/,ferric, ions and hydroxides produced during microbial reduction and dissolution of iron ore.

Removal of Trace Elements From Acid Mine Drainage
Removal of Trace Elements From Acid Mine Drainage

----- EPA-600/7-79-101 April 1979 REMOVAL ,OF TRACE ELEMENTS FROM ACID, MINE DRAINAGE by Roger C. Wilmoth and James L. Kennedy Industrial Environmental Research Laboratory Cincinnati, Ohio 45268 and Jack R. Hall and Charles W. Stuewe Hydroscience, Inc. Knoxville, Tennessee 37919 Contract No. 68-03-2568 Project Officer Roger C. Wilmoth Resource Extraction and Handling Division Industrial …

Spectrophotometric determination of hydroxylamine in ...
Spectrophotometric determination of hydroxylamine in ...

8/8/2017, · Abstract. Hydroxylamine, a very important intermediate in nitrification, has a direct relationship with the production of nitrous oxide in biological ,wastewater, treatment processes. The spectrophotometric method taking ,ferric ammonium sulfate, and 1, 10-phenanthroline as the oxidant and the chromogenic agent, respectively, was used to determine the ...

Phosphorus Removal and Recovery from Digestate after ...
Phosphorus Removal and Recovery from Digestate after ...

4/6/2014, · Many commercialized processes for, phosphorus, removal from wastewater use chemical coagulation/flocculation methods by dosing divalent or trivalent metal cations (e.g., [Al(H 2 O) 6] 3+ and [Fe(H 2 O) 6] 3+, abbreviated as Al 3+ and Fe 3+ for convenience) via chemicals such as ferric chloride, ferric sulfate, aluminum sulfate, alum [KAl(SO 4) 2 ⋅12H 2 O] and poly-aluminum chloride .

New perspectives on microbial communities and biological ...
New perspectives on microbial communities and biological ...

1/2/2020, · By adding ferrihydrite into an anaerobic digestor, anaerobic ammonium oxidation was induced and the ammonium removal efficiency increased by 33%. The abundance of, FEAMMOX, bacteria was also increased, which suggested the possibility of applying, FEAMMOX, in BNR from wastewater.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City