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Drilling cuttings of fracturing flowback fluid in Wushenqi

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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Drilling cuttings of fracturing flowback fluid in Wushenqi
Pretreatment of Sophora flavescens residues to produce ...
Pretreatment of Sophora flavescens residues to produce ...

Alkali, swells cellulose and destroys lignin, thus increasing the contact area between cellulose and cellulase; ,acid, can dissolve hemicellulose and destroy the partial binding force of lignocellulose, while hydrothermal pretreatment can partially degrade hemicellulose and lignin without adding any chemical reagents (Yang and Wyman 2008; Ioelovich 2012; Munir et al. 2018).

Methods for Chemical Analysis of Water and Wastes
Methods for Chemical Analysis of Water and Wastes

Reagents 7 1 Deiomzed distilled water Prepare by passing distilled water through a mixed bed of cation and amon exchange resins Use deiomzed distilled water for the preparation of all reagents, calibration standards, and as dilution water 7 2 Nitric ,acid, (cone ) If metal impurities are found to be present, distill reagent grade nitric ,acid, m a borosilicate glass distillation apparatus or use a ...

Wastewater Engineering - Dokuz Eylül University
Wastewater Engineering - Dokuz Eylül University

The ,acid, most commonly used is sulfuric ,acid, and the most commonly base is lime [Ca(OH) 2]. When activated silica is added to water, it produces a stable solution that has a negative surface charge. The activated silica can unite with the positively charged aluminum or with iron flocs, resulting in a larger, denser floc that settles faster and ,enhances, enmeshment.

Conventional Alkali Scouring and BioScouring on Cotton ...
Conventional Alkali Scouring and BioScouring on Cotton ...

The carboxylic ,acid, groups of some of the galacturonic ,acid, residues are partly esterified with ... the scouring process is based on the ,reaction, between cotton impurities and ,alkali, hydroxide. ... keeping the water in the bath above the level of the solution in the flask .The heating ,enhances, the rate of oxidation ,reaction, in the Flask.

Reducing acid in dilute acid pretreatment and the impact ...
Reducing acid in dilute acid pretreatment and the impact ...

Dilute ,acid, pretreatment is a leading pretreatment technology for biomass to ethanol conversion due to the comparatively low chemical cost and effective hemicellulose solubilization. The conventional dilute ,acid, pretreatment processes use relatively large quantities of sulfuric ,acid, and require ,alkali, for pH adjustment afterwards.

128 Study on The Properties of Concrete Made with Sugar ...
128 Study on The Properties of Concrete Made with Sugar ...

Cane Bagasse Ash under ,Acid, and Alkaline Attack Challa Hari Sravan 1, Mugipudi Manoj2 1Student, 2Assistant Professor 1,2 M.V.R College of Engineering &Technology, Vijayawada, Andhra Pradesh, India How to cite this paper: Challa Hari Sravan | Mugipudi Manoj "Study on the Properties of Concrete Made with Sugar Cane Bagasse Ash under ,Acid, and Alkaline

Catalysis in biodiesel production—a review | Clean Energy ...
Catalysis in biodiesel production—a review | Clean Energy ...

The chemical catalyst comprises homogeneous agents (,alkali, or ,acid,), heterogeneous agents (solid ,acid, or solid ,alkali, catalysts), heterogeneous nanocatalysts and supercritical fluids (SCFs). These catalysts are effective in bringing the process to completeness, although the ,reaction, demands high energy and a cumbersome purification process to obtain the purified end product [ 31 , 32 ].

Subcritical water hydrolysis treatment of waste biomass ...
Subcritical water hydrolysis treatment of waste biomass ...

Alkali, salt is a common homogeneous catalyst used in hydrothermal processes to accelerate ionic reactions and promote glucose decomposition to water-soluble products (Muangrat et al. 2010). In this study, adding ,alkali, salt to the system increased the concentration of soluble organic carbon and nitrogen in the liquid phase (Table 3).

Pharmaceuticals and personal care products in water and ...
Pharmaceuticals and personal care products in water and ...

22/10/2020, · The presence of emerging contaminants such as pharmaceutical and personal care products in many aqueous matrices have been reported. One of such matrix is streams of ,wastewater,, including ,wastewater, treatment plants inflows and outflows and ,wastewater, flow by-passing ,wastewater, treatment plants. Their persistence arises from their resistant to breakdown, hence they may remain in …

Phenolic wastewater treatment with ethers for removal and ...
Phenolic wastewater treatment with ethers for removal and ...

Other chemical treatment methods for phenolic ,wastewater, involve the use of hydroxides or carbonates of ,alkali, metals in conjunction with chlorine gas (Japanese Patent Application 48-104,352, dated Dec. 27, 1973) or the use of monopersulfuric ,acid, …

Minerals | Free Full-Text | Modified Alkali Activated ...
Minerals | Free Full-Text | Modified Alkali Activated ...

Alkali, activated materials have several known advantages, such as exceptional mechanical strength, ,acid, and fire resistance, long term durability, fast setting, and low thermal conductivity. Therefore, these materials are mainly used in the construction, and thermal and heat insulation industries, but they are also used for several applications, such as catalysts and membranes [ 15 ].

Reducing acid in dilute acid pretreatment and the impact ...
Reducing acid in dilute acid pretreatment and the impact ...

Dilute ,acid, pretreatment is a leading pretreatment technology for biomass to ethanol conversion due to the comparatively low chemical cost and effective hemicellulose solubilization. The conventional dilute ,acid, pretreatment processes use relatively large quantities of sulfuric ,acid, and require ,alkali, for pH adjustment afterwards.

Production and characterization of starch nanoparticles by ...
Production and characterization of starch nanoparticles by ...

26/2/2020, · The ,reaction, was stopped by the addition of 1.0 mL TCA (trichloroacetic ,acid,, 10% w/v), following with 1.0 mL of TBA (thiobarbituric ,acid,, 1% …

Minerals | Free Full-Text | Modified Alkali Activated ...
Minerals | Free Full-Text | Modified Alkali Activated ...

Alkali, activated materials have several known advantages, such as exceptional mechanical strength, ,acid, and fire resistance, long term durability, fast setting, and low thermal conductivity. Therefore, these materials are mainly used in the construction, and thermal and heat insulation industries, but they are also used for several applications, such as catalysts and membranes [ 15 ].

128 Study on The Properties of Concrete Made with Sugar ...
128 Study on The Properties of Concrete Made with Sugar ...

Cane Bagasse Ash under ,Acid, and Alkaline Attack Challa Hari Sravan 1, Mugipudi Manoj2 1Student, 2Assistant Professor 1,2 M.V.R College of Engineering &Technology, Vijayawada, Andhra Pradesh, India How to cite this paper: Challa Hari Sravan | Mugipudi Manoj "Study on the Properties of Concrete Made with Sugar Cane Bagasse Ash under ,Acid, and Alkaline

Zinc–air battery - Wikipedia
Zinc–air battery - Wikipedia

Zinc–air batteries (non-rechargeable), and zinc–air fuel cells (mechanically rechargeable) are metal–air batteries powered by oxidizing zinc with oxygen from the air. These batteries have high energy densities and are relatively inexpensive to produce. Sizes range from very small button cells for hearing aids, larger batteries used in film cameras that previously used mercury batteries ...

Zinc–air battery - Wikipedia
Zinc–air battery - Wikipedia

Zinc–air batteries (non-rechargeable), and zinc–air fuel cells (mechanically rechargeable) are metal–air batteries powered by oxidizing zinc with oxygen from the air. These batteries have high energy densities and are relatively inexpensive to produce. Sizes range from very small button cells for hearing aids, larger batteries used in film cameras that previously used mercury batteries ...

Glutaraldehyde: behavior in aqueous solution reaction ...
Glutaraldehyde: behavior in aqueous solution reaction ...

It should be noted that lysyl ϵ-amino groups have pKa (,acid, dissociation constant) > 9.5, but it is presumed that the small percentage of amines present in their unprotonated form at lower pH is sufficient to react with glutaraldehyde, which then drives the ,acid,-base equilibrium to deprotonation of these groups for further ,reaction,.

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