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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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gas testing waste water harmless disposal near me today
RECOVERY OF LACTIC ACID FROM AMERICAN CRYSTAL SUGAR ...
RECOVERY OF LACTIC ACID FROM AMERICAN CRYSTAL SUGAR ...

These esters could by hydrolyzed to lactic ,acid,, but only with unacceptable product losses that would be economically prohibitive. The developed process is projected to produce approximately 200,000 lb per day of lactate esters from ,wastewater, at a single ,factory, at …

Lead acid wastewater purification system-Jiangsu Erhuan
Lead acid wastewater purification system-Jiangsu Erhuan

1. A lot of lead-,acid wastewater, will be produced in the production process of lead-,acid, battery. If it is not treated, it will pollute the soil. 2. First of all, the whole plant is laid with pipelines underground to collect and summarize the wastewatergenerated in each production link. 3.

(PDF) Biological treatment of acid dyeing wastewater using ...
(PDF) Biological treatment of acid dyeing wastewater using ...

Variation of TAA in UASB/CSTR sequential system ,wastewater, from a dye manufacturing ,factory, with a COD con- centration of 1200 mg dm−3 and a color of 500 degree (dilution The ,acid, dyeing ,wastewater, contains TAAs released through factor) in a UASB reactor (4.5 l) and an activated sludge tank the cleavage of azo dyes under anaerobic conditions.

Determination of Heavy Metals in Wastewater and Their ...
Determination of Heavy Metals in Wastewater and Their ...

acidified with 1 ml nitric ,acid,, for later analysis of metal concentrations. The purpose of the ,acid, is to keep the metals in solution and to avoid adsorption to the container walls (APHA, 1999). Digestion of ,wastewater, samples The water samples from each sampling bottle were mixed thoroughly by shaking. A 50 ml filtered aliquot of water sample was

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