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

urine test strips

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.

urine test strips
Adsorption-Coagulation Mechanism of Composites in Treating ...
Adsorption-Coagulation Mechanism of Composites in Treating ...

Precipitation ,experiment,: according to the alkalinity increment of the corresponding time, the treatment of simulated ,acid, mine drainage was performed by adding alkali alone (NaOH). This ,experiment, had no particles. At different times (5, 10, 30, 60, 120, 180, 240, 300, 360 min),

Solvent Extraction of Wastewaters from Acetic-Acid Manufacture
Solvent Extraction of Wastewaters from Acetic-Acid Manufacture

The extraction mechanism is an ,acid,-base ,neutralization,. ,Acid, in the aqueous phase transfers to the solvent phase, ... so that it might conceivably be removed as a solid product ,by filtration, for eventual disposal. In the ,experiment,, 450 ml of ,wastewater, sample F was con- tacted with 50 ml of 2-ethyl-l-hexanol in a separatory funnel.

Acidic Wastewater Treatment (Water and Wastewater ...
Acidic Wastewater Treatment (Water and Wastewater ...

Results for acidic ,wastewater, treatment services from CleanEarth, Ecoserv, Givaudan and other leading brands for water and ,wastewater,. Compare and contact a supplier near you

COD and BOD Reduction of Domestic Wastewater using ...
COD and BOD Reduction of Domestic Wastewater using ...

The ,wastewater, is a mixture of sewage water, agricultural drainage, industrial waste effluents and hospitals facilities. It is well known that the ,wastewater, from domestic origin contains pathogens, suspended solids, nutrients (nitrogen and phosphorus) and, other organic and inorganic pollutants (Andrew et al., 1997).

Investigating Wastewater: Solutions & Pollution (Developed ...
Investigating Wastewater: Solutions & Pollution (Developed ...

8. ,Acid,-Base ,Neutralization,. Students use pH indicators to investigate the effect of pH of various ratios of 0.1% HCL and 0.1% KOH. Students are introduced to the concept of ,neutralization, and then go on to explore it quantitatively. They determine the ratio of the 0.1% HCL and 0.1% KOH solutions that must be mixed to produced a neutral solution.

Use of Phytoremediation for the Treatment of Kitchen ...
Use of Phytoremediation for the Treatment of Kitchen ...

action ,of acid, Fermentation bacteria such as lactic ,acid, ... sedimentation and ,filtration,. Most common chemicals process includes ozonation and ,neutralization,.In biological ... ,wastewater,. The ,experiment, model of phytoremediation system has constructed in open experimental site.

Membrane Interactions of Virus-like Mesoporous Silica ...
Membrane Interactions of Virus-like Mesoporous Silica ...

Non-encapsulated dye was removed by gel ,filtration, (Sephadex G-50, GE Healthcare, Uppsala, Sweden). Liposome leakage was followed by adding nanoparticle and AMP aliquots to 10 μM liposome suspensions in 10 mM Tris, pH 7.4, and recording the CF fluorescent emission at 520 nm using a Cary Eclipse fluorescence spectrophotometer (Agilent Technologies, Santa Clara, CA, USA) at 25 °C for 30 …

Sustainable treatment of different high-strength cheese ...
Sustainable treatment of different high-strength cheese ...

Wastewater, treatment Precipitation experiments were conducted in 1-L glass recip-ients by using a ,wastewater, volume of 800 mL. To initiate an ,experiment,, NaOH or Ca(OH) 2 was added to the raw CWW 0 (or CWW with previous cheese whey recovery) under vigor-ous agitation. When the predetermined precipitation pH was obtained,the agitation system was ...

Application of Biosorption for Removal of Heavy Metals ...
Application of Biosorption for Removal of Heavy Metals ...

4/12/2017, · The regeneration by sulfuric ,acid, and subsequent ,neutralization, is done by Na 2 CO 3. The beads were stable to physical and environmental deterioration and displayed over 95% removal over 250 cycles of regeneration. The source of ,wastewater, and the presence of organic matter below 50 mg/L did not inhibit metal removal.

(PDF) Factorial Experiments in the Optimization of ...
(PDF) Factorial Experiments in the Optimization of ...

Obviously, as mud precipitation increases, a reduction of the COD in the AWW takes place (data not reported here); moreover, the precipitate presents good qualitative characteristics that render it more suitable for ,filtration, processes.Considering the importance of these two factors in the pretreatment process, the second experimental series focused on the effects of sulfuric ,acid, and calcium ...

Adsorption-Coagulation Mechanism of Composites in Treating ...
Adsorption-Coagulation Mechanism of Composites in Treating ...

Precipitation ,experiment,: according to the alkalinity increment of the corresponding time, the treatment of simulated ,acid, mine drainage was performed by adding alkali alone (NaOH). This ,experiment, had no particles. At different times (5, 10, 30, 60, 120, 180, 240, 300, 360 min),

Acidic Wastewater Treatment (Water and Wastewater ...
Acidic Wastewater Treatment (Water and Wastewater ...

Results for acidic ,wastewater, treatment services from CleanEarth, Ecoserv, Givaudan and other leading brands for water and ,wastewater,. Compare and contact a supplier near you

Zero Valent Iron Nanoparticle-Loaded Nanobentonite ...
Zero Valent Iron Nanoparticle-Loaded Nanobentonite ...

A zero valent iron-loaded nano-bentonite intercalated carboxymethyl chitosan (nZVI@nBent–CMC) composite was fabricated and characterized by FT-IR, TEM, TEM–EDX, XRD, BET surface area, and zeta potential measurements. The as-fabricated nZVI@nBent–CMC composite exhibited excellent removal efficiency for both anionic Congo red (CR) dye and cationic crystal violet (CV) dye. The maximum ...

Neutralization IWM | Ph | Alkalinity | Free 30-day Trial ...
Neutralization IWM | Ph | Alkalinity | Free 30-day Trial ...

A ,wastewater, flow of 200 gallons/min with 0.2N HCL required ,neutralization, prior to secondary treatment. Calculate (a) weight ,of acid, required on annual basis (b) limestone requirements on an annual basis ,Neutralization, of Acidic ,wastewater, 2. Mixing ,Acid, wastes with Lime Slurries Depends on …

Reuse of Ferric Sludge by Ferrous Sulfide in the Fenton ...
Reuse of Ferric Sludge by Ferrous Sulfide in the Fenton ...

the concentration of ferrous ion was measured after ,filtration, by 0.45 μm Syringe-dri- ven Filter. The procedure of reusing ferric sludge in the Fenton process for NPEOs ,wastewater, treatment was shown inFigure 1 . The NPEOs ,wastewater, solution was raised to pH > 7.0 with NaOH after Fenton oxidation process to precipitate iron-containing sludge.

Solvent Extraction of Wastewaters from Acetic-Acid Manufacture
Solvent Extraction of Wastewaters from Acetic-Acid Manufacture

The extraction mechanism is an ,acid,-base ,neutralization,. ,Acid, in the aqueous phase transfers to the solvent phase, ... so that it might conceivably be removed as a solid product ,by filtration, for eventual disposal. In the ,experiment,, 450 ml of ,wastewater, sample F was con- tacted with 50 ml of 2-ethyl-l-hexanol in a separatory funnel.

Use of Phytoremediation for the Treatment of Kitchen ...
Use of Phytoremediation for the Treatment of Kitchen ...

action ,of acid, Fermentation bacteria such as lactic ,acid, ... sedimentation and ,filtration,. Most common chemicals process includes ozonation and ,neutralization,.In biological ... ,wastewater,. The ,experiment, model of phytoremediation system has constructed in open experimental site.

Acid Mine Drainage and the Techniques to Cleanup this ...
Acid Mine Drainage and the Techniques to Cleanup this ...

6/5/2019, · Currently, limestone ,neutralization, is the most economical method to treat AMD. 5 Typically, limestone will be incorporated into a passive system where the water flows through using gravity. 6 One study found when the polluted water was run through their limestone drain (a type of limestone ,neutralization,), it increased the water’s pH from 3.5 to 6.2 in a time period of 3 hours. 7 The ...

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City