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Treatment of acid wastewater containing phosphorus and fluorine by zeolite powder aluminum sulfate

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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Treatment of acid wastewater containing phosphorus and fluorine by zeolite powder aluminum sulfate
Headspace analysis of malodorous compounds from swine ...
Headspace analysis of malodorous compounds from swine ...

In two sets of experiments, continuous aeration of the ,wastewater, was carried out for 24 h. An addition of sodium azide, a microbial inhibitor, was made in the second ,experiment, in order to explore the impact of microbial activity versus air ,stripping, on the concn of volatile compounds.

Recovery and conversion of acetic acid from a phosphonium ...
Recovery and conversion of acetic acid from a phosphonium ...

IL was purified by stripping with nitrogen 33 for 24 h at a flow rate of 150 mL min −1 at 155 °C to eliminate or minimize the influence of impurities present in commercial IL (≥95%) on the reaction. In a typical experiment, 6.6 g of the purified IL was transferred into a …

DEGRADATION OF 2-HYDROXYBENZOIC ACID BY ADVANCED …
DEGRADATION OF 2-HYDROXYBENZOIC ACID BY ADVANCED …

The degradation of 2-hydroxybenzoic ,acid, was found to follow first-order kinetics and to be influenced by the type of process and the experimental conditions. The experimental results showed that the most favorable conditions for 2-HBA degradation by the Fenton process are pH around 4-5, [Fe2+] = 0.6 mmol.L-1, and [H.

Nitrogen Removal by Ammonia Stripping
Nitrogen Removal by Ammonia Stripping

stripping, column’, a common physical process used in ,wastewater, management to remove excess nitrogen. A back titration will be used to measure both pre- and post-treatment samples’ concentration of ammonium hydroxide. I have been particularly interested in some of the intricacies of ,wastewater, …

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