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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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Comparative analysis on adsorption properties and ...
Comparative analysis on adsorption properties and ...

The protonation of phosphate in form of [H 3 PO 4] in ,acidic, solution will restrict phosphate capture. 25 The ionization constants (pK a) for H 3 PO 4 are 2.2, 7.2 and 12.4 respectively. 7 As it was shown in Fig. 5(b), high concentration of H + in ,acidic, solution will compete against positively charged quaternary amino groups for dihydrogen phosphate, forming molecular H 3 PO 4.

Comparative analysis on adsorption properties and ...
Comparative analysis on adsorption properties and ...

Adsorption as a new technology, is considered as a potential way for the removal and recovery of low levels of phosphate and nitrate. 3 Recently, cost-effective, environmental-friendly and adaptable agricultural waste based (AWB) adsorbents have received increasing attention. 6 In previous researches, various agricultural wastes like rice husk, 7 ,soybean, wastes, 5 wheat straw, 8,9 pine sawdust 10 and …

Recycling Municipal Sludge And Effluents On Land
Recycling Municipal Sludge And Effluents On Land

If it were possible to relate the applicability of ,wastewater, management on land areas to such factors as climatic conditions, population and population densities, economic-social patterns, and similar demographic parameters, these would serve as impor- tant guides for the choice of this alternative method of ,wastewater, treatment and utilization vis-a-vis to- day's conventional treatment standards …

Bacterial biodegradation of neonicotinoid pesticides in ...
Bacterial biodegradation of neonicotinoid pesticides in ...

Neonicotinoids are neurotoxic systemic insecticides used in plant protection worldwide. Unfortunately, application of neonicotinoids affects both beneficial and target insects indiscriminately. Being water soluble and persistent, these pesticides are capable of disrupting both …

Dominance of yeast in activated sludge under acidic pH and ...
Dominance of yeast in activated sludge under acidic pH and ...

To maximize yeast growth and limit bacterial growth, an ,acidic, pH (<6) is generally used for yeast ,wastewater, treatment processes under nonaseptic conditions (Zheng et al., 2010).

Comparative analysis on adsorption properties and ...
Comparative analysis on adsorption properties and ...

Adsorption as a new technology, is considered as a potential way for the removal and recovery of low levels of phosphate and nitrate. 3 Recently, cost-effective, environmental-friendly and adaptable agricultural waste based (AWB) adsorbents have received increasing attention. 6 In previous researches, various agricultural wastes like rice husk, 7 ,soybean, wastes, 5 wheat straw, 8,9 pine sawdust 10 and …

Molecules | Free Full-Text | Recent Achievements in Dyes ...
Molecules | Free Full-Text | Recent Achievements in Dyes ...

A clear example can be the results of studies on the application of Fenton’s reagent to ,wastewater, from the dyehouse by Ledakowicz et al. , who found that the higher the content of NaCl present in textile ,wastewater,, the poorer the decolorization degree, because the rate of oxidation reaction with chloride ion-radicals, which may be formed at high concentrations of Cl −, is slower than the reaction of hydroxyl …

Acidic Deposition Phenomenon And Its Effects Critical ...
Acidic Deposition Phenomenon And Its Effects Critical ...

The document's original charge was to prepare 'a comprehensive document which lays out the state of our knowledge with regard to precursor emissions, pollutant transformation to ,acidic, compounds, pollutant transport, pollutant deposition and the effects (both measured and potential) of ,acidic, deposition.1 It was the decision of the editors to provide the following guidelines to the authors writing …

(PDF) protein group- wastewater treatment in the food ...
(PDF) protein group- wastewater treatment in the food ...

protein group- ,wastewater, treatment in the food industry. 92 Pages. protein group- ,wastewater, treatment in the food industry. Obisanya Adekunle. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.

Frontiers | Hydroponic Solutions for Soilless Production ...
Frontiers | Hydroponic Solutions for Soilless Production ...

Soilless cultivation represent a valid opportunity for the agricultural production sector, especially in areas characterized by severe soil degradation and limited water availability. Furthermore, this agronomic practice embodies a favorable response toward an environment-friendly agriculture and a promising tool in the vision of a general challenge in terms of food security.

Biosurfactant production: emerging trends and promising ...
Biosurfactant production: emerging trends and promising ...

A notable development in this is the specific production of SLs from Starmerella bombicola which are produced mostly as a mixture of 23 homologues containing ,acidic, and lactonic SLs. ,Acidic, SLs find major application in wound healing while lactonic SLs are mostly used as an anticancer agent and as an antimicrobial agent for application in cosmetic industry.

Toxics | Free Full-Text | Pharmaceutical Wastewater ...
Toxics | Free Full-Text | Pharmaceutical Wastewater ...

Metronidazole is toxic to ,soybean, plants (Glycine max) based on dose-response criterion. There is a need to enforce treatment of pharmaceutical ,wastewater, effluent by Pharmaceutical Manufacturing Companies (PMCs) before discharge into the environment.

(PDF) protein group- wastewater treatment in the food ...
(PDF) protein group- wastewater treatment in the food ...

protein group- ,wastewater, treatment in the food industry. 92 Pages. protein group- ,wastewater, treatment in the food industry. Obisanya Adekunle. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.

Newly-isolated hydrogen-producing bacteria and biohydrogen ...
Newly-isolated hydrogen-producing bacteria and biohydrogen ...

16/10/2020, · For, wastewater, analysis, they were slightly, acidic, (pH 4.6–5.2) with high total solid (TS) and total dissolved solid (TDS) contents from high sediment and liquid colloid. The BOD and COD levels in the FL, RW and MO substrates were very high, whilst these were much lower in the CSW, PW and PPW substrates.

Comparative analysis on adsorption properties and ...
Comparative analysis on adsorption properties and ...

The protonation of phosphate in form of [H 3 PO 4] in ,acidic, solution will restrict phosphate capture. 25 The ionization constants (pK a) for H 3 PO 4 are 2.2, 7.2 and 12.4 respectively. 7 As it was shown in Fig. 5(b), high concentration of H + in ,acidic, solution will compete against positively charged quaternary amino groups for dihydrogen phosphate, forming molecular H 3 PO 4.

Acidic Deposition Phenomenon And Its Effects Critical ...
Acidic Deposition Phenomenon And Its Effects Critical ...

The document's original charge was to prepare 'a comprehensive document which lays out the state of our knowledge with regard to precursor emissions, pollutant transformation to ,acidic, compounds, pollutant transport, pollutant deposition and the effects (both measured and potential) of ,acidic, deposition.1 It was the decision of the editors to provide the following guidelines to the authors writing …

US7186807B2 - Process for extracting the components of pea ...
US7186807B2 - Process for extracting the components of pea ...

The present invention relates to a process for extracting and refining ,the components of pea flour,, characterized in that it consists of the steps of preparing a flour by grinding dried peas previously cleaned, sorted, blanched, freed of dust, introducing the flour thus obtained into water and separating the components of the pea flour using at least one of the pieces of equipment from a potato starch ,factory, …

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

22/3/2019, · Generally, the sugar industry and ethanol distillery ,wastewater, characterization indicates that both wastewaters are enriched with high loadings of organic matter, total solids, nutrients and ,acidic, compounds but the main contributor is the distillery spent wash.

NL7908620A - Method for refining oils and fats. - Google ...
NL7908620A - Method for refining oils and fats. - Google ...

The separated soap, called "soapstock", is usually decomposed with acid as sulfuric acid to give fatty acid 790 86 20. r 2 to reclaim. In the course of this acid treatment, a large amount of...

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