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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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Treatment of Effluents of Fertilizer Industry ...
Treatment of Effluents of Fertilizer Industry ...

In the treatment of industrial waste, this treatment may be adopted as a secondary or tertiary treatment where the ammonia nitrogen content of the influent is comparatively nitrogen is desired. The treatment is based on the reaction of ammonia nitrogen with oxygen in aerated pond or lagoon to form nitrites and finally to the nitrate nitrogen form in the presence of a specialized group of nitrifying organisms.

Different Types of Wastewater Treatment | ERC of USA
Different Types of Wastewater Treatment | ERC of USA

Before we delve into some of the details of ,the main wastewater treatment methods,, let’s first discuss what ,wastewater, and ,wastewater, ... Tertiary ,treatment follows, these processes and combines mechanical and photochemical ,methods, into one ... flocculation and the addition of sodium carbonate or hydrochloric ,acid, to control pH levels.

NCERT Solutions Class 7 Science Chapter 18 Wastewater ...
NCERT Solutions Class 7 Science Chapter 18 Wastewater ...

NCERT Solutions Class 7 ,Wastewater, Story guides the students to segregate waste in a way to reduce water pollution. This chapter demonstrates the importance of water in balancing the ecosystem. Students will get to study the meaning of sewage, its ,treatment, and disposal ,methods,.

Wastewater Treatment : The Definitive Guide (2019)
Wastewater Treatment : The Definitive Guide (2019)

19/4/2019, · The basic biological treatment methods are. a. Biofiltration . In this process sand filters, trickling filters or contact filters are put in place to ensure that additional sediment is eliminated from the wastewater. b. Aeration. The process involves mixing wastewater with a solution concentrated with microorganisms in the aeration tank.

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · The discussed chemical wastewater treatment processes include chemical precipitation (coagulation, flocculation), ion exchange, neutralization, adsorption, and disinfection (chlorination/dechlorination, ozone, UV light).

Biological Treatment Method - an overview | ScienceDirect ...
Biological Treatment Method - an overview | ScienceDirect ...

The old methods of treatment commonly comprise primary treatment, followed by biological treatment, and finally polishing by carbon and sand filters. The key to this approach is effective biological treatment.

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · The discussed ,chemical wastewater treatment processes, include chemical precipitation (coagulation, flocculation), ion exchange, neutralization, adsorption, and disinfection (chlorination/dechlorination, ozone, UV light).

Development of a Technology for Treating Wastewater ...
Development of a Technology for Treating Wastewater ...

The overall wastewater treatment plant included a sedimentation tank, nutsch filter, bubbling reactor, ammonia bullet, stirred tank of fertilizer preparation, fertilizer storage tank, residual pump (HNO 3), extractor, ammonia solution tank, intermediate storage tank of ammonia nitrate, and fertilizer pump. 3.2.

Tertiary Treatment of Waste Water (With Diagram)
Tertiary Treatment of Waste Water (With Diagram)

These ,methods, and their effectiveness are listed in Table 9.13 . The selection of a ,treatment, scheme, that is, the ,treatment methods, to be employed and their sequencing would depend on the pollutants present in a ,waste water, stream, their concentration and …

Cavitational technology in wastewater treatment process ...
Cavitational technology in wastewater treatment process ...

Conditions of the wastewater treatment by AVS unit from phenol concentration 0.5-10 g/dm 3 and acidity of the medium 5 g/dm 3 are as follows: oxidizing agents: potassium bichromate (concentration 0.2-5 g/dm 3); manganese dioxide (concentration 1.2-10 g/dm 3); potassium permanganate (concentration 0.1-1.0 g/dm 3); wastewater’s temperature – 20–45 °С; oxidization time – 0.1-2 seconds. AVS unit industrial …

(PDF) Wastewater Treatment: Biological | Jan Dolfing ...
(PDF) Wastewater Treatment: Biological | Jan Dolfing ...

Although not technically a tertiary process, final effluent disinfection is often performed after secondary or tertiary treatment using chlorination, ultraviolet methods, ozonation, and other methods designed specifically to kill residual organisms in the wastewater after all previous treatment steps. biologiCal tReatment optionsBiological processes are classified according to the primary metabolic pathways …

Tertiary Treatment of Waste Water (With Diagram)
Tertiary Treatment of Waste Water (With Diagram)

These ,methods, and their effectiveness are listed in Table 9.13 . The selection of a ,treatment, scheme, that is, the ,treatment methods, to be employed and their sequencing would depend on the pollutants present in a ,waste water, stream, their concentration and whether the treated effluent is …

Different Types of Wastewater Treatment | ERC of USA
Different Types of Wastewater Treatment | ERC of USA

Before we delve into some of the details of ,the main wastewater treatment methods,, let’s first discuss what ,wastewater, and ,wastewater, ... Tertiary ,treatment follows, these processes and combines mechanical and photochemical ,methods, into one ... flocculation and the addition of sodium carbonate or hydrochloric ,acid, to control pH levels.

Wastewater treatment - Wikipedia
Wastewater treatment - Wikipedia

The treatment of wastewater is part of the overarching field of sanitation. Sanitation also includes the management of human waste and solid waste as well as stormwater (drainage) management. The main by-product from wastewater treatment plants is sewage sludge which is usually treated in the same or another wastewater treatment plant.

A Review: Pharmaceutical Wastewater Treatment Technology ...
A Review: Pharmaceutical Wastewater Treatment Technology ...

pharmaceutical wastewater treatment processes. At the same time, integrated pharmaceutical wastewater treatment currently used methods are mainly materialized following: coagulation and sedimentation, flotation, adsorption, chemical oxidation (Fenton reagents, wet oxidation, etc.), electrolysis (Fe-C micro-electrolysis) and so on.

A Review: Pharmaceutical Wastewater Treatment Technology ...
A Review: Pharmaceutical Wastewater Treatment Technology ...

pharmaceutical ,wastewater treatment, processes. At the same time, integrated pharmaceutical ,wastewater treatment, currently used ,methods, are mainly materialized following: coagulation and sedimentation, flotation, adsorption, chemical oxidation (Fenton reagents, wet oxidation, etc.), electrolysis (Fe-C micro-electrolysis) and so on.

Cavitational technology in wastewater treatment process ...
Cavitational technology in wastewater treatment process ...

Research suggests that Intensifier of Technological Process provides qualitative treatment of wastewater from phenol at lower costs to compare with other known methods. Conditions of the wastewater treatment by AVS unit from phenol concentration 0.5-10 g/dm3 and acidity of the medium 5 …

Wastewater Treatment Processes - IntechOpen
Wastewater Treatment Processes - IntechOpen

wastewater treatment processes, control (Man esis et al., 1998), (Yagi et al., 2002). In the present chapter the authors propose the use of a robust control method (QFT Quantitative Feedback Theory) for ,wastewater treatment processes, control. Generally, ,wastewater treatment processes,, as well as bi otechnological processes, are characterized by

Wastewater treatment - Wikipedia
Wastewater treatment - Wikipedia

The treatment of wastewater is part of the overarching field of sanitation. Sanitation also includes the management of human waste and solid waste as well as stormwater (drainage) management. The main by-product from wastewater treatment plants is sewage sludge which is usually treated in the same or another wastewater treatment plant.

Wastewater Treatment Processes - IntechOpen
Wastewater Treatment Processes - IntechOpen

wastewater treatment processes, control (Man esis et al., 1998), (Yagi et al., 2002). In the present chapter the authors propose the use of a robust control method (QFT Quantitative Feedback Theory) for ,wastewater treatment processes, control. Generally, ,wastewater treatment processes,, as well as bi otechnological processes, are characterized by

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