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Hardness Test Kit for Water

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.

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Hardness Test Kit for Water
Effective Nitrogen Removal and Recovery from Dewatered ...
Effective Nitrogen Removal and Recovery from Dewatered ...

Recovery of nutrients from ,wastewater, by a MgCl 2 modified zeolite and their reuse as an amendment for Cu and Pb immobilization in soil. RSC Advances 2016, 6 (61) , 55809-55818.

An Integrated Treatment Technology for Blended Wastewater ...
An Integrated Treatment Technology for Blended Wastewater ...

22/3/2019, · Furthermore, distillery spent wash is the most complex and troublesome effluent, having high concentrations of organic matter (BOD 5 30,000 –50,000 mg/L and COD 60,000 –190,000 mg/L), high ,acidity, (pH 3.0 – 4.5) and deep dark brown color (Kazemi et al. 2015; Mohana et al. 2009).

Effect of Soybean Meal and Soluble Starch on Biogenic ...
Effect of Soybean Meal and Soluble Starch on Biogenic ...

This study was conducted to investigate the effect ,of soybean, meal (SM) and soluble starch (SS) on biogenic amine production and microbial diversity using in vitro ruminal fermentation. Treatments comprised of incubation of 2 g of mixture (expressed as 10 parts) containing different ratios of SM to SS as: 0:0, 10:0, 7:3, 5:5, 3:7, or 0:10.

Free fatty acids esterification catalyzed by acid ...
Free fatty acids esterification catalyzed by acid ...

The conversion of 95% of the FFA after 6 h reduces the ,acidity, of the reaction medium to insignificant values, allowing a possible biodiesel production process from low grade feedstocks with high ,acidity, can be implemented using of a zeolite catalyzed esterification pre-treatment, followed by an alkaline transesterification without soap formation in the ,products, or reduction in reaction yield.

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