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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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hazardous waste treatment equipment
CO2 Utilization: A Process Systems Engineering Vision ...
CO2 Utilization: A Process Systems Engineering Vision ...

25/11/2013, · With regards to the solvent, the advantages of the chemical absorption ,of acid, gases – CO 2 and H 2 S – by aqueous alkanolamines are well-known: the former are weak acids and the later are weak alkali, such that they reversibly bind at low temperature and high ,acid, gas fugacity and subsequently untie at higher temperatures and low fugacity, leading to efficient ,acid, gas ,stripping,, …

6 Potential Environmental Effects of Uranium Mining ...
6 Potential Environmental Effects of Uranium Mining ...

It is difficult to identify the specific causes of these effects because the low pH and the high concentrations of metals present at low pH are toxic to aquatic biota. Neutralization of acidic waters through mixing with unpolluted ambient water can result …

Desalination of Produced Water by Membrane Distillation ...
Desalination of Produced Water by Membrane Distillation ...

18/10/2019, · The Fenton reaction involves the addition of iron and H 2 O 2 in an acidic medium (pH ~3), followed by separation of iron hydroxide flocs in a settling or microfiltration unit after pH ,neutralization,.

Experimental plant for the physical-chemical treatment of ...
Experimental plant for the physical-chemical treatment of ...

The effluent from the ,stripping, towers was cooled with heat recovery and then filtered through sand beds prior to the final pH ,neutralization, and discharge into the stream. Weakly contaminated groundwater ( Q = 140 m 3 h -1 ) is fed through in this final stage of filtration and ,neutralization,, giving the added benefit of reducing consumption of the neutralizing ,acid,.

ÇOMÜ - Çevre Mühendisliği Bölümü
ÇOMÜ - Çevre Mühendisliği Bölümü

Course Title . Code . Semester . L+U Hour . Credits . ECTS . Introduction to Environmental Engineering . 14ENV107. 1. Semester. 2 + 0. 2.0. 2.0. Course Content . In the course of Introduction to Environmental Engineering, some information will be given about working areas of environmental engineers, environmental pollution and its sources, water pollution and control, solid waste management ...

Removal of ammonia from aqueous solutions by ligand ...
Removal of ammonia from aqueous solutions by ligand ...

Ammonia is the most commonly occurring nitrogenous pollutant in ,wastewater, and is widely derived from sewage, agricultural and industrial sources. 1–3 The excess emission of ammonia into ecosystems can cause severe environmental problems such as eutrophication and algal bloom. 4 A maximum ammonia concentration of 21 μg L −1 NH 3 –N was considered to be protective for most marine fish …

Experimental plant for the physical-chemical treatment of ...
Experimental plant for the physical-chemical treatment of ...

The effluent from the ,stripping, towers was cooled with heat recovery and then filtered through sand beds prior to the final pH ,neutralization, and discharge into the stream. Weakly contaminated groundwater ( Q = 140 m 3 h -1 ) is fed through in this final stage of filtration and ,neutralization,, giving the added benefit of reducing consumption of the neutralizing ,acid,.

(PDF) Standard Methods For the Examination of Water and ...
(PDF) Standard Methods For the Examination of Water and ...

Standard Methods For the Examination of Water and Wastewater,, 23nd edition, 2017

ÇOMÜ - Çevre Mühendisliği Bölümü
ÇOMÜ - Çevre Mühendisliği Bölümü

Course Title . Code . Semester . L+U Hour . Credits . ECTS . Introduction to Environmental Engineering . 14ENV107. 1. Semester. 2 + 0. 2.0. 2.0. Course Content . In the course of Introduction to Environmental Engineering, some information will be given about working areas of environmental engineers, environmental pollution and its sources, water pollution and control, solid waste management ...

Kumpulan Aneka Informasi: ELECTROPLATING 2009-2010
Kumpulan Aneka Informasi: ELECTROPLATING 2009-2010

The ,acid neutralization, capacity (ANC) of the hydrated pastes increased in the order of PC > PC/GGBS > PC/PFA. The GGBS or PFA replacement (80 wt%) reduced the ANC of the hydrated pastes by 30–50%. The ANC of the blended cement-solidified electroplating sludge (cement/sludge 1:2) was 20–30% higher than that of the hydrated blended cement pastes.

Desalination of Produced Water by Membrane Distillation ...
Desalination of Produced Water by Membrane Distillation ...

18/10/2019, · The Fenton reaction involves the addition of iron and H 2 O 2 in an acidic medium (pH ~3), followed by separation of iron hydroxide flocs in a settling or microfiltration unit after pH ,neutralization,.

Industrial & Engineering Chemistry Research | Vol 39 No 7
Industrial & Engineering Chemistry Research | Vol 39 No 7

The data were measured in wide ranges of temperature (373−473 K), pressure (0.1−0.5 MPa), mixing speed (10−23.3 Hz), and liquid height (0.171−0.268 m). The central composite statistical design approach was used to distribute the experiments and correlate the kLa and dS results.

Recent advances and prospects of catalytic advanced ...
Recent advances and prospects of catalytic advanced ...

Some of the factors influencing the applicability of Fenton process for real industrial ,wastewater, include high chemical consumption (up to 50–80 ppm of Fe ions in solution), pH dependence (effective in the range of pH 2–4), high cost of H 2 O 2, generation of Fe sludge, necessity of post-treatment, necessity ,of neutralization, of the treated sample before disposal, and decomposition of H 2 O 2 (Iurascu et al. …

Cesar Gomez-lahoz | Universidad de Málaga - Academia.edu
Cesar Gomez-lahoz | Universidad de Málaga - Academia.edu

ABSTRACT The most typical enhancement for electrokinetic remediation (EKR) involves the ,neutralization, of the alkaline front generated at the cathode by the addition of an ,acid, to the catholyte. Although the use of strong and weak acids can be found in the literature, there is still a clear lack of reliable comparisons between them.

Environmental Engineering Flashcards | Quizlet
Environmental Engineering Flashcards | Quizlet

2) ,Wastewater, and flocs (mixed liquor) move to a sedimentation tank (secondary clarifier) where the flocs settle to form a sludge (underflow). - The treated ,wastewater, (overflow) is removed as the clarified effluent for further treatment or disinfection and discharge. 3) Sludge is both: A) Diverted for disposal (wasting) or further treatment; and

Inmaculada Ortiz Uribe | Universidad de Cantabria ...
Inmaculada Ortiz Uribe | Universidad de Cantabria ...

A pretreatment process combining ,neutralization, and distillation was successful to eliminate salts and the acidic character of the waste. The resulting water/isopropanol mixture was convenient for the pervaporative recovery of isopropanol.

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