Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

deep well drilling waste liquid emission treatment technology co. ltdt technology co ltd

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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

deep well drilling waste liquid emission treatment technology co. ltdt technology co ltd
industrial formation of gypsum from sulphuric acid calcium ...
industrial formation of gypsum from sulphuric acid calcium ...

The sulfuric ,acid, in the high-arsenic ,waste acid, is first removed by calcium carbonate generating ,gypsum, and then the arsenic in the solution is precipitated in form of scorodite. ,Gypsum, with an arsenic leaching concentration below 5 mg L 1 is obtained at a final pH of 0.5 in the calcium carbonate neutralization stage.

Pilot-scale study of forward osmosis for treating ...
Pilot-scale study of forward osmosis for treating ...

Forward osmosis (FO) treatment of desulfurization wastewater shows great potential in laboratory scale tests. To explore the adaptability of the forward osmosis system in the practical treatment of desulfurization wastewater, we carried out a pilot test on desulfurization wastewater treated by the traditional method under the conditions of adding soda ash (SA) and adding FO scale inhibitor (FOSI).

sulfuric acid process block diagram
sulfuric acid process block diagram

The SULFOX™ wet gas sulfuric ,acid, process is suitable for a wide range of applications in which wet ,waste, gas, containing H 2 S, CS 2 or SO 2, must be ,desulfurized,.Our expert engineers can deliver results for clients in a vast array of sulfuric ,acid, related industries, including metallurgical, general chemical, coal-to-chemicals, natural gas processing, steel (coking), power, viscose fibers ...

A Process For Treating A Sulfurous Fluid To Form Gypsum ...
A Process For Treating A Sulfurous Fluid To Form Gypsum ...

U.S. Patent Application 20180002187 for A Process For Treating A Sulfurous Fluid To Form ,Gypsum, And Magnesium Carbonate

Emission reduction process for dechlorinating flue‐gas ...
Emission reduction process for dechlorinating flue‐gas ...

Gypsum, deposits were formed during the Paleozoic Era, approximately 600 million years ago, when most of the Earth's surface was covered by salt ,water,. ,Gypsum, is composed of 79.1% calcium sulfate and 20.9% ,water, (by weight). It is a nonmetallic mineral, one of …

Machine Used For Gypsum Production Pdf
Machine Used For Gypsum Production Pdf

The History of ,Gypsum, Because ,water, will return ,Gypsum, to its Original Rock Form, ... Production of ,Gypsum, Products from ,Waste, Battery ,Acid,. ... or industrial by-product ,gypsum, (,desulfurized gypsum,, phosphogypsum, etc.) at a certain temperature. It is ground to make the dihydrate ,gypsum, dehydrated and decomposed.

Preparation and Hydration Mechanism of Low Shrinkage ...
Preparation and Hydration Mechanism of Low Shrinkage ...

JOURNAL METRICS. Impact Factor (JCR) 2019: 0.259 ℹ Impact Factor (JCR): The JCR provides quantitative tools for ranking, evaluating, categorizing, and comparing journals. The impact factor is one of these; it is a measure of the frequency with which the “average article” in a journal has been cited in a particular year or period.

Modern desulfurization methods used in waste incineration ...
Modern desulfurization methods used in waste incineration ...

Sulfur dioxide is produced in industrial processes, such as coal, petroleum combustion or ,waste, incineration processes. Liquefied SO 2 is used in refrigeration, paper, paint, textile and chemical industries. When combined with ,water,, sulfur dioxide can cause ,acid, rains (pH lower than 5.65), which can damage plants (especially

Power production waste - Cai - 2020 - Water Environment ...
Power production waste - Cai - 2020 - Water Environment ...

Water, purification. A novel ,acid, baking‐electrolysis process for extracting aluminum hydroxide from CFA was presented by Shi, Jiang, and Zhang . The results showed that the optimal operation conditions were as follows: ,acid, baking temperature of 200°C, ,acid, baking time of 90 min, and ball‐milling time of 5 min with a CFA:H 2 SO 4 of

Subject:
Subject: "gypsum" - PubAg Search Results

A locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Preparation and Hydration Mechanism of Low Shrinkage ...
Preparation and Hydration Mechanism of Low Shrinkage ...

JOURNAL METRICS. Impact Factor (JCR) 2019: 0.259 ℹ Impact Factor (JCR): The JCR provides quantitative tools for ranking, evaluating, categorizing, and comparing journals. The impact factor is one of these; it is a measure of the frequency with which the “average article” in a journal has been cited in a particular year or period.

Method of producing solid moldings from a by-product of ...
Method of producing solid moldings from a by-product of ...

In view of the state of the art described above, an object of the present invention is to provide a method applicable to the wet limestone-,gypsum, desulfurization of flue gas and which makes possible the effective utilization of spent absorption slurry and recovered flyash, does not require ,waste water, treatment, and permits the reduction of equipment and operational costs.

Machine Used For Gypsum Production Pdf
Machine Used For Gypsum Production Pdf

The History of ,Gypsum, Because ,water, will return ,Gypsum, to its Original Rock Form, ... Production of ,Gypsum, Products from ,Waste, Battery ,Acid,. ... or industrial by-product ,gypsum, (,desulfurized gypsum,, phosphogypsum, etc.) at a certain temperature. It is ground to make the dihydrate ,gypsum, dehydrated and decomposed.

Frontiers | Potential of Lacto-Gypsum as an Amendment to ...
Frontiers | Potential of Lacto-Gypsum as an Amendment to ...

The results show a very low pH for the lacto-,gypsum, with respect to the most commonly used ,gypsum, types (average pH for lacto-,gypsum, of 2.7 vs. natural ,gypsum, and FGD ,gypsum, of pH 6.5 and 7.5, respectively) (Tables 1, 2).This acidity was due to the presence of lactic ,acid, carried forward into the lacto-,gypsum, by-product in the purification process.

Method of producing solid moldings from a by-product of ...
Method of producing solid moldings from a by-product of ...

A method of producing solid molding products from a by-product of wet limestone-,gypsum, desulfurization of flue gas comprising the steps of concentrating an absorption slurry drawn from a wet limestone-,gypsum, desulfurization apparatus, kneading the concentrated slurry which consists mostly of ,gypsum, with flyash and either quicklime or slaked lime and molding the mixture to given shapes, and ...

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City