Dissertation > Excellent graduate degree dissertation topics show

Study on CaCO3 Special Scale Inhibitor of Reverse Osmosis

Author: XuHouDao
Tutor: ZhouBaiQing
School: Wuhan University
Course: Applied Chemistry
Keywords: Reverse Osmosis scale inhibitor Calcium car
CLC: TQ085.4
Type: Master's thesis
Year: 2005
Downloads: 375
Quote: 2
Read: Download Dissertation

Abstract


In China, with the industrial development, the requirement for water treatment is more strict. The technology of reverse osmosis desalination are adopted abroad in the most corporation. But RO system are confronted with great threat of fouling. The study for the problem will help the technology using in our country.On the background of solving the calcium carbon fouling of reverse osmosis system, all sorts of factor which affects the fouling of reverse osmosis equipment and some solution methods are discussed on the based of actual investigation and referring to a mass of domestic and international document information. In the same time, we use some experience by the other student for reference. After series of experiments to compare some multiple water treatment antiscalants based on some classics regents, such as organic phosphonate, polycarboxylate et al, a primary combination of scale inhibitor being able to keeping reverse osmosis system unfouling is developed. In order to do it, we used some mathematical method to arrange experiments. A effective experimental design method, uniform design, is used to help optimize the program. In the optimization experiments, the proportions are independent variables and the Static method is used the way for assessment of scale inhibitor. According to the results of experiment, a optimal program is concluded. The performance of scale inhibition is tested by the RO equipment in our laboratory. The results of experiments attest to the above-mentioned scale inhibitor well done for controling the fouling.We made some summary for the mechanism of scale inhibitor in the article, the mechanism of the above-mentioned scale inhibitor is also studied by SEM.At the present time, the methods of performance assessment of RO scale inhibitor have not be found. Using the methods of circulating water scale inhibitor is insufficiency to assess the RO scale inhibitor. In order to solve the problem, we tested several way such as critical pH method, turbidity measurement to find a way adapt to assessment of RO scale inhibitor. We made the turbidity measurement some changes. The experimental results showed the turbidity measurement was simple and could be using for evaluating the special scale inhibitor of RO.

Related Dissertations

  1. The Studies of Proton Transfer and Its Effects on Other Ion Transport in Reverse Osmosis Composite Membrane,TB383.2
  2. Of dual responsive material for the surface modification of the aromatic polyamide film,TB383.2
  3. Composition of Scale Inhibitors Used in High Tempreture and Study of Inhibition Mechanism,TQ085.4
  4. Scale Clean and Inhibition of Heat Exchanger in Sulfate Titanium Dioxide Process,TQ621.12
  5. Study on Applications and Scale Inhibition Mechanism of Scale Inhibitor in the Sugarcance Molasses Alcohol Scale Control,X792
  6. Research Capability of Composite Scaling-corrosion Inhibitor,TQ085.4
  7. Scale Inhibitor Containing Fluorescent Naphthalene Units Used in Seawater, the Preparation and Performance Thereof,P747
  8. Study of Control of the Replenishment Water System of Boiler in Power Station Automatically,TM621
  9. A Study on Anticorrosion and Scale Inhibition Slowness Release Technology in Oily Sewage of Alkali-Surfactant-Polymer Flooding,TE983
  10. Synthesis and Evaluation of High-performance Scale Inhibitor Used in Oilfield,TE39
  11. Synthesis and Properties of Polyepoxysuccinic Acid,TQ317
  12. Synthesis and Performance of Itaconic Acid-Styrene Sulfonic Sodium-Maleic Anhydride Inhibitor,TQ085.4
  13. Determination of Hydroxyl Radical Produced by Contact Glow Discharge Plasma and Its Application to Polymerization,O631.3
  14. Synthesis and evaluation of new non-phosphorus ANTISCALANT,TQ085.4
  15. Study on Synthesis and Performance of a New Type of Methylenephosphonic Acids Scale Inhibitor,TQ085.4
  16. Study on New Acidition Technique in Circulating Cooling Water System,TQ085.4
  17. Research on Compound of Environmentally Friendly Reverse Osmosis Scale Inhibitor and Its Performances,TQ085.4
  18. Study on the Combinating Application and Performance of Low Phosphonic Corrosion and Scale Inhibitor of Phosphono Carboxylic Acid,TQ085.4
  19. Synthesis and Application of Hydroxymethyl Sulfonic Acid as the Intermediate of Scale Inhibitor,TQ085.4
  20. Technology of the Compatibility of Oil-field Water and Study of Reservoir Sensitivity about Representative Blocks on Yanchang Oil-field,TE357.61
  21. Synthesis and Corrosion and Scaling Inhibition of Polyacrylic Acid,TG174.42

CLC: > Industrial Technology > Chemical Industry > General issues > Chemical plant > Industrial water,water treatment > Water treatment
© 2012 www.DissertationTopic.Net  Mobile