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Determination of ferrous sulfate in chromium wastewater under acidic condition

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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Determination of ferrous sulfate in chromium wastewater under acidic condition
Improvement of L(+)-lactic acid production from cassava ...
Improvement of L(+)-lactic acid production from cassava ...

30/8/2010, · ,Improvement, of L(+)-lactic ,acid, production from cassava ,wastewater, by Lactobacillus rhamnosus B 103. Coelho LF(1), Bolner de Lima CJ, Bernardo MP, Alvarez GM, Contiero J. Author information: (1)UNESP-Department of Biochemistry and Microbiology, Biological Sciences Institute, Universidade Estadual Paulista, Rio Claro, SP, Brazil.

Improvement of L(+)‐lactic acid production from cassava ...
Improvement of L(+)‐lactic acid production from cassava ...

Improvement of L(+)‐lactic, acid, production from, cassava wastewater, by Lactobacillus rhamnosus B 103 Luciana Fontes Coelho UNESP—Department of Biochemistry and Microbiology, Biological Sciences Institute, Universidade Estadual Paulista, Rio Claro, SP, Brazil

Improvement of L(+)-lactic acid production from cassava ...
Improvement of L(+)-lactic acid production from cassava ...

The use of cassava ,wastewater, for cultivation of L. rhamnosus is feasible, with a considerable production of lactic ,acid,. Furthermore, it is an innovative proposal, as no references were found in the scientific literature on the use of this substrate for lactic ,acid, production.

Improving the dewaterability of citric acid wastewater ...
Improving the dewaterability of citric acid wastewater ...

20/9/2018, · Fenton conditioning was a highly effective and affordable approach to improving the dewaterability of citric, acid wastewater, sludge while preserving the fertilizing properties. The optimal condition of Fenton treatment was pH 5.0, H2 O 2 dose of 20 …

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