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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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Chemical oxygen demand and turbidity improvement of ...
Chemical oxygen demand and turbidity improvement of ...

"Chemical oxygen demand and turbidity ,improvement, of ,deinked tissue wastewater using electrocoagulation techniques,," BioRes. 12(2), 4327-4341. Abstract The goal of this work was to evaluate the efficiency of electrocoagulation technique in deinked tissue industry ,wastewater,.

Standard Methods for the Examination of Water and Wastewater
Standard Methods for the Examination of Water and Wastewater

Acid, Solutions Prepare the following reagents by cautiously adding required amount of concentrated ,acid,, with mixing, to designated volume of proper type of distilled water. Dilute to 1000 mL and mix thoroughly. See Table A for preparation of HCl, H2SO4, and HNO3solutions. Alkaline Solutions a.

Process Improvement For Arsenic Removal From Dirty Acid ...
Process Improvement For Arsenic Removal From Dirty Acid ...

Process ,improvement, for arsenic removal from dirty ,acid wastewater, 2 nd World Conference on Industrial Chemistry and Water Treatment. Dongyun Du. South-Central University for Nationalities, China. ScientificTracks Abstracts: Ind Chem. DOI: 10.4172/2469-9764-C1-005

ApplicATiON: OpTimAl NuTRieNT RATiOs Optimal Nutrient ...
ApplicATiON: OpTimAl NuTRieNT RATiOs Optimal Nutrient ...

If the ,wastewater, in the inflow to the biological stage is ... increasing the denitrification volume fail to bring about any ,improvement,, the addition of a readily degradable substrate (external ... ethanol, acetic ,acid,). cOD:BOD Ratio The ratio of these two sum parameters is a measure of the biodegradability of the ,wastewater, pollution ...

Advancements in the Fenton Process for Wastewater ...
Advancements in the Fenton Process for Wastewater ...

8/6/2019, · Fenton is considered to be one of the most effective advanced treatment processes in the removal of many hazardous organic pollutants from refractory/toxic ,wastewater,. It has many advantages, but drawbacks are significant such as a strong ,acid, environment, the cost of reagents consumption, and the large production of ferric sludge, which limits Fenton’s further application.

An innovative way to treat acidic wastewater ...
An innovative way to treat acidic wastewater ...

The treatment of, acidic wastewater, has traditionally been done with multiple large collection tanks, mixers, injectors, pH controllers, and the addition, of, one of many caustic chemicals.

Improvement of an Industrial Wastewater Treatment System ...
Improvement of an Industrial Wastewater Treatment System ...

Article ,Improvement, of an Industrial ,Wastewater, Treatment System at a Former Viscose Rayon Plant – Results From Two-Stage Biological Leachate Treatability Testing. Leachate is currently being pumped from three surface impoundments filled with waste m...

ISO 14001 and wastewater treatment: Required processes
ISO 14001 and wastewater treatment: Required processes

1/7/2019, · The final commitment is to ensure continual ,improvement, of environmental performance. The law comes first Of course, the requirement to comply with applicable legal requirements when it comes to ,wastewater, applies to all organizations, whether they are ISO 14001-certified or not.

June 2002: An innovative way to treat acidic wastewater
June 2002: An innovative way to treat acidic wastewater

A new technology has been developed to treat acidic wastewater that combats the problems associated with current treatment systems. Known as PHIX, it is designed to, treat acid,ic, wastewater, in process and/or prior to, discharge, into a water body or municipal sewer system. The pH is …

An innovative way to treat acidic wastewater - PHIX ...
An innovative way to treat acidic wastewater - PHIX ...

Any corporation that is found to have pH discharge levels below 5.5 or above 9.5 can be charged $50,000 for the first offence, and $100,000 for any subsequent conviction. The treatment of acidic wastewater has traditionally been done with, multiple large collection tanks, mixers, injectors, pH controllers,, and the, addition of one of many caustic chemicals.

Study on treatment technology improvement of acid ...
Study on treatment technology improvement of acid ...

This article provides some solutions to the ,improvement, of ,waste water, treatment system in Guangzhou Copper Co. Ltd., subsidiary company of GISE, such as focusing on the management to the ,waste water, discharge, adding ceilings to store the sludge temporarily, and improving the property of the fan to enhance the blending ability in the process of ,waste water, discharge, etc.

ISO 14001 and wastewater treatment: Required processes
ISO 14001 and wastewater treatment: Required processes

1/7/2019, · The final commitment is to ensure continual ,improvement, of environmental performance. The law comes first Of course, the requirement to comply with applicable legal requirements when it comes to ,wastewater, applies to all organizations, whether they are ISO 14001-certified or not.

Standard Methods for the Examination of Water and Wastewater
Standard Methods for the Examination of Water and Wastewater

Acid, Solutions Prepare the following reagents by cautiously adding required amount of concentrated ,acid,, with mixing, to designated volume of proper type of distilled water. Dilute to 1000 mL and mix thoroughly. See Table A for preparation of HCl, H2SO4, and HNO3solutions. Alkaline Solutions a.

WASTEWATER REUSE FOR AGRICULTURE - SSWM
WASTEWATER REUSE FOR AGRICULTURE - SSWM

wastewater, treatment technology advanced and quality of treated effluents steadfastly improved. ... ,Improvement, of the economic efficiency of investments in ,wastewater, ... ,acid, 50 10 - - no data Table 2: Selected food industries, treatment and composition of ,wastewater, ...

Chemical oxygen demand and turbidity improvement of ...
Chemical oxygen demand and turbidity improvement of ...

"Chemical oxygen demand and turbidity ,improvement, of ,deinked tissue wastewater using electrocoagulation techniques,," BioRes. 12(2), 4327-4341. Abstract The goal of this work was to evaluate the efficiency of electrocoagulation technique in deinked tissue industry ,wastewater,.

A significant improvement of scheelite recovery using ...
A significant improvement of scheelite recovery using ...

The research demonstrates an efficient, innovative and environmentally friendly technology which uses one waste (waste ,acid,) to treat another (,wastewater,) and significantly improves the scheelite roughing recovery by 5% compared with the same periods of previous years in the winter times. A series of modelling exercises and laboratory experiments are conducted to understand and explain the ...

"Improvement of Onsite Wastewater Treatment By Use of ...

The concept is predicated on previously published work that demonstrated Fe(III) amendment to septic ,wastewater, increased carbon mineralization. Data with Fe(III) amendment (an analogous system) demonstrated that mineralization of 14C-labeled acetate, lactate, propionate, starch, glucose, and oleic ,acid, increased by as much as 100%, while completely suppressing methane production.

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