Thesis

Optimal Batch Distillation Using PC-Based

Batch distillation is becoming increasingly important as a result of the expansion in the fine chemical and pharmaceutical industries characterized by small amounts of the products with high added value. This thesis aimed at finding optimal way of operating batch distillation column using PC-based.The operation strategies for batch distillation were studied methanol and water mixtures with a constant heat duty of 288 W At the beginning of the batch operation, total reflux policy is required.

English

PERFORMANCE OF CATHODIC PROTECTION FOR PIPE LINES

The corrosion of metallic structures buried in soils or in contact with soils has long been a serious engineering and economic problem. All over the world millions of kilometers of gas, water, oil pipelines, communication cables, power cables as well as storage tanks, buildings foundations, and many other structures are buried in the soil, suffering from soil corrosion problems which affect mainly the external surfaces of these structures. In many countries pipelines are by far the most important means of hydrocarbon transportation.

English

Corrosion of Carbon Steel in Stirred Two Phase Media of Brine-Gas oil and Brine-CO2 and Prevention by Cathodic Protection

Corrosion tests of carbon steel (CS) in single and two phase media of two immiscible liquids (CaCO3  solution-gasoil mixture) and liquid–gas (CaCO3 solution -CO2  gas) under different operating conditions of temperature, agitation velocity, phase fractions, gas flow rate, and immersion time were carried out using weight loss method and electrochemical polarization technique.

English

OILY WATER TREATMENTS FOR SOUTHERN IRAQI OIL FIELDS

  The oil drilling operations create large quantities of contaminated water known as “Produced Water” (PW), or water that is produced from the well. An experimental investigation was conducted using 1litter stainless steel autoclave to treat the oily water produced from North Rumaila and Zubair oil fields. The first approach was a pretreatment to remove solid particles using sedimentation with and without flocculation. The second approach included studied the effect of pH, pressure, temperature, salinity, operation time, outlet time and RPM.

English

ENHANCEMENT OF MASS TRANSFER USING ROTATING CYLINDER PROMOTERS

 The aim of present work is to determine experimentally the degree of mass transfer enhancement of dissolved oxygen using turbulent promoters of longitudinal leg extensions constructed on Rotating Cylinder Electrode (RCE) made of brass.The limiting current density (LCD) was evaluated under turbulent flow conditions at three different temperatures 35, 45, and 55 C. The experimental runs were carried out in 0.1 N NaCl salt solution of pH = 6 using a rotational velocity range from 200 – 1000 rpm.

English

INFLUENCE OF SOME ADDITIVES ON THE EFFECINCY OF VISCOSITY INDEX IMPROVER FOR BASE LUBRICATING OILS

The effects of three different additives formulations which are Lubrizol 21001,HiTEC 8722B and HiTEC 340 on the efficiency of viscosit y index improver (VII) namely Olefin Copolymer of three base lubricating oils 40, 60 and 150 stock at four temperatures 40, 60, 80 and 100o C were investigated.The base oils’ blends were prepared with a concentration range of 2-10 wt% from additives and olefin copolymer (OCP).

English

Cathodic Protection Design for Buried Steel Pipes

Iraq has a huge network of pipelines, transport crude oil and final hydrocarbon products as well as portable water. These networks are exposed to extensive damage due to the underground corrosion processes unless suitable protection techniques are used.

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CHROMIUM (VI) REMOVAL FROM WASTEWATER BY ION EXCHANGE RESINS (AMBERLITE IR 400, DUOLITE A378)

 Chromium (VI) is commonly found in large quantities in wastewater, which is toxic to animals and humans and known to be carcinogenic, and that is why the recovery of chromium content in wastewater is necessary for environmental and economic reasons.Experimental measurements have been tested for prepared solution and the effluent of the General Company for Electrical Industries in batch ion exchange

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CORROSION OF CARBON STEEL IN ACIDIC SALT SOLUTIONS UNDER FLOW CONDITIONS

 Corrosion of carbon steel in acid (HCl) - salt (Na2SO4) solutions under flow conditions was investigated for a range of rotation velocity, 0 – 2000 rpm, and temperature, 32oC- 52oC, by using rotating cylinder electrode (RCE).The corrosion rate was determined by using both weight loss method and electrochemical polarization technique.

English

TREATMENT OF THE INDUSTRIAL WATER USING ION EXCHANGE

In this work Eshidiya Plant industria wastewater, which is one of the phosphat mining industries that located in Jordan, wherapproximately 450000 mwastewater monthlyresulted from the flotation cells needs a propertreatment for recycle purposes. The studied wastewater mainly contains phosphate waste andchloride ions.

English

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