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Sludge pretreatment

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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Sludge pretreatment
Increased Use of Quaternary Ammonium Compounds during the ...
Increased Use of Quaternary Ammonium Compounds during the ...

Quaternary ammonium, compounds (QACs) are active ingredients in over 200 disinfectants currently recommended by the U.S. EPA for use to inactivate the SARS-CoV-2 (COVID-19) virus. The amounts of these compounds used in household, workplace, and industry settings has very likely increased, and usage will continue to be elevated given the scope of the pandemic. QACs have been previously …

Monosodium L-glutamate | C5H8NNaO4 - PubChem
Monosodium L-glutamate | C5H8NNaO4 - PubChem

Monosodium glutamate degraded rapidly using marine water/,sediment, and estuarine water/,sediment, microcosms(4), suggesting biodegradation will occur readily in soil. (1) Swann RL et al; Res Rev 85: 17-28 (1983) (2) Yoshida T; Kirk-Othmer Encycl Chem Tech. 3rd NY: Wiley 2: 410-21 (1978) (3) Lyman WJ et al; Handbook of Chemical Property Estimation Methods.

1. Introduction - Hindawi
1. Introduction - Hindawi

According to the statistical data estimated by local government, the sedimentation rate is about 10 cm–60 cm a year for different river. Moreover, the sampling tool is the grab sampler, so the ,sediment, samples can be used as representative samples of different seasons. Surface ,sediment, sampling was collected by grab sampler.

13-Dimethylpentylamine | C7H17N - PubChem
13-Dimethylpentylamine | C7H17N - PubChem

The instrument detection limit was 1-2 pg for both DMAAs. The quantification limit was estimated to be 1-2 ng/g for the ,plant, sample. This method was successfully applied to the quantitative determination of 1,3- and 1,4-DMAA in both geranium ,plant, and geranium ,oil,.

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