method preventing fouling

Method Preventing Fouling

EP2808246A4 - Method for preventing fouling - …

method preventing fouling fouling preventing Prior art date 2012-01-27 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Withdrawn Application number EP13740744.1A Other languages German (de) French (fr)

US7279089B2 - Method for preventing fouling and …

Method for preventing fouling and corrosion caused by ammonium chloride and ammonium sulphates, characterised in that it comprises injecting as an additive a choline or a derivative thereof.

DE69515130T2 - Method of preventing fouling in ...

method polymerization reactors preventing fouling fouling preventing Prior art date 1994-12-22 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number DE1995615130 Other ...

CN1184486A - Method for preventing fouling & …

A method of preventing method in a multiphase polymerization process in a gas phase reactor sheeting, the polymerization process comprises at least one multi-phase loop reactor, connected with a gas phase reactor, where polymerization was continued at a further monomer is present in this during antifouling agent for preventing the reactor ...

NL7808994A - A method for preventing fouling in …

method preventing fouling cracking furnaces furnaces cracking Prior art date 1977-12-15 Application number NL7808994A Other languages Dutch (nl) Original Assignee Nalco stone Co Priority date (The priority date is an assumption and is not a legal conclusion.

METHOD FOR PREVENTING FOULING - NITTO …

4-12-2014 · Hereinafter, the method of preventing fouling of a structure according to each of the first embodiment and second embodiment of the present invention is described in detail. First Embodiment. The method of preventing fouling of a structure according to the first embodiment of the present invention includes the following steps:

Biofouling - Wikipedia

Anti-fouling is the process of preventing accumulations from forming. In industrial processes, bio-dispersants can be used to control biofouling. In less controlled environments, organisms are killed or repelled with coatings using biocides, thermal treatments, or pulses of energy.

Method for preventing fouling in polymerization …

27-7-1999 · We claim: 1. A method for preventing fouling in loop reactors, in which alpha-olefins are polymerized or copolymerized in particle form in the presence of catalysts, characterized in that a composition of alpha-olefin-acrylonitrile copolymers and polymeric polyamines is added into the reactor in order to prevent fouling of the loop ...

Fouling - Wikipedia

Finally, fouling is often a root cause of serious degradation problems that may limit the life of components or entire plants. Fouling control. The most fundamental and usually preferred method of controlling fouling is to prevent the ingress of the fouling species into the cooling water circuit.

Methods to Reduce Membrane Fouling - Synder …

Methods to Reduce Membrane Fouling There are three main factors that contribute to membrane fouling: Feed stream properties. This includes characteristics such as concentration, pH and ionic strength, dissolved solid content, suspended solid content, etc.

New fouling prevention method using a plasma …

The present study introduces a new fouling prevention method using a plasma discharge as a non-chemical device targeting bicarbonate in produced water. Since the plasma arc discharge generates intense, highly localized heating , , , the arc can be utilized to remove bicarbonate ions in produced water as shown in this study.

US Patent for Method for preventing fouling in the ...

A method for preventing fouling in the slurry polymerization of olefins in a solvent in the presence of a catalyst, which comprises causing a small amount of a nitrogen-containing salt of phytic acid or a mixture of it with an alkali metal salt of an organic acid to be present as an anti-fouling agent in the polymerization system.

METHOD FOR PREVENTING FOULING IN …

16-2-2000 · 1. A method for preventing fouling in loop reactors, in which alpha-olefins are polymerized or copolymerized in particle form in the presence of catalysts, characterized in that a composition of alpha-olefin-acrylonitrile copolymers and polymeric polyamines is added into the reactor in order to prevent fouling of the loop reactor.

US Patent for Methods for reducing surface fouling …

Methods for preventing or reducing fouling of equipment having a metal surface that contacts a reaction byproduct in a fuel production system are provided. The method may include treating the metal surface in the fuel production system by contacting a fouling inhibitor with the metal surface. The fouling inhibitor includes a bicyclic organic ...

METHOD FOR PREVENTING FOULING - Nitto …

3-12-2014 · The present invention provides a method of preventing fouling of a structure. The method of preventing fouling of a structure includes the following steps: (step 1) preparing an antifouling pressure-sensitive adhesive tape including a base material layer (A) and a pressure-sensitive adhesive layer (A), and an easily adhering pressure ...

Method of preventing heat exchanger fouling - …

19-2-2008 · Method of preventing heat exchanger fouling . United States Patent 7332070 . Abstract: A specific nonionic surfactant is added to a component mainly comprising hydrocarbons before passing through a heat exchanger in a petrochemical plant or a polyolefin production plant, whereby fouling …

A method of preventing fouling in the …

(57) Abstract: Describes a method of preventing fouling in the reactor circulation in the polymerization of alpha-olefins in the presence of a catalyst to obtain a product in the form of particles by introducing into the reactor agent that prevents fouling.

US Patent for Method for preventing fouling and …

A method for preventing sheeting problems in a gas phase reactor in such multi-phase polymerization process, which comprises at least one loop reactor followed by a gas phase reactor, where the polymerization is continued in the presence of added monomers, and in which process a fouling preventive agent is used to prevent fouling or sheeting in ...

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