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Acid dyeing wastewater of leather

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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Acid dyeing wastewater of leather
(PDF) Design of a Plant to Manufacture Sulfuric Acid from ...
(PDF) Design of a Plant to Manufacture Sulfuric Acid from ...

In addition, it is difficult to 27 f Design of a ,plant to manufacture Sulfuric acid from Sulfur, separate the ,Sulfuric acid, gas from others such as nitrogen once it is ,produced, in gaseous form. STEP 4 Conversion of Oleum to H2SO4: In dilution tanks, water is mixed with Oleum to produce 98% ,Sulfuric acid, …

Agricultural wastewater treatment - Wikipedia
Agricultural wastewater treatment - Wikipedia

Agricultural ,wastewater, treatment is a farm management agenda for controlling ... The disposal of any ,wastewater containing, animal waste upstream of a drinking water intake can pose serious health problems to those drinking ... The production of silage often involves the use of an ,acid, conditioner such as ,sulfuric acid, or ...

Zero-Liquid Discharge Treatment of Wastewater from a ...
Zero-Liquid Discharge Treatment of Wastewater from a ...

This article describes the improvement of ,wastewater, treatment in a fertilizer plant located in Central Italy (municipality of Vasto). In this facility, water is used for the removal of dust and fluorinated gases from the air. The resulting ,wastewater, contains fluorides and phosphates in hazardous forms. Its treatment ordinarily does not result in a Zero-Liquid Discharge (ZLD) process.

Effects of acid hydrolysis waste liquid recycle on ...
Effects of acid hydrolysis waste liquid recycle on ...

The ,acid, hydrolysis experimental conditions were set up based on our previous research. 50 g of Eucalyptus dissolved pulp (oven dried weight) in 750 mL of a 2.5 M hydrochloric ,acid, solution were placed into a KQ2200 ultrasonic cleaner (Kunshan City, China Ultrasound Instrument Co., Ltd.) with the ultrasonic power set at 80 W. Hydrolyzed cellulose was obtained by sonicating the reaction mixture at 80°C for 50 min, then the mixture was filtered and separated to obtain the liquid ,acid, …

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