WO2014112857A1 - Optimization of phosphates for surface treatments and polishing operations - Google Patents
Optimization of phosphates for surface treatments and polishing operations Download PDFInfo
- Publication number
- WO2014112857A1 WO2014112857A1 PCT/MA2013/000018 MA2013000018W WO2014112857A1 WO 2014112857 A1 WO2014112857 A1 WO 2014112857A1 MA 2013000018 W MA2013000018 W MA 2013000018W WO 2014112857 A1 WO2014112857 A1 WO 2014112857A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphate
- process according
- polishing
- prepare
- treated
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/06—Other polishing compositions
- C09G1/14—Other polishing compositions based on non-waxy substances
- C09G1/18—Other polishing compositions based on non-waxy substances on other substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1481—Pastes, optionally in the form of blocks or sticks
Definitions
- the invention relates to a method of polishing and surface treatment, and a device for carrying out said method.
- the invention is also in the field of polishing, hence the subclass C02F
- Polishing is a means of finishing (or finishing) pieces of different materials (metal, plastic, wood ...) to obtain a beautiful appearance, finish or surface finish of high quality.
- a surface treatment is a mechanical, chemical and physical operation that has the effect of modifying the appearance or the function of the surface of the materials in order to adapt it to given conditions of use.
- polishing surface treatment systems are capable of achieving removal levels comparable to the best conventional surface treatment technologies with advantages such that they do not deform the parts, improve the service life and the resistance to fatigue, provides anti-corrosion protection, neutralizes the defects of rough foundry surfaces ...
- the object of the present invention is the treatment of a copper plate using a small amount of synthetic phosphate.
- the second objective of this invention is that the treatment obtained is effective.
- the coarse elements contained in said phosphates are separated from the fractions of the phosphate used, so as to obtain at least on the one hand a coarse part and on the other hand a finer part which will undergo the treatment.
- the phosphate is washed with distilled water before filtering it on a membrane of a sieve.
- a volume of saturated brine water is added to the dough to prepare the final recipe, it is maintained by stirring which reduces the viscosity of the dough and facilitates homogenization, and then said mixture is calcined in the oven at a graduated temperature of 100 to 700 ° C for 4 hours, after cooling, we proceed to the part of the formulation that constitutes the active ingredient (synthetic phosphate) and a carrier consisting of surfactants, fat, an emulsifier, a preservative, a abrasive and perfume
- the surface treatment of an article is carried out by chemical polishing with modified phosphate.
- the pretreated phosphate is used.
- Fractions of the phosphate used are separated from the coarse elements contained in said phosphates, so as to obtain at least on the one hand a coarse part and on the other hand a finer part which will undergo the treatment.
- the phosphate is washed with distilled water before filtering it on a membrane of a sieve.
- the phosphate is moistened with a low concentration TiO 2 precursor solution, leaving a contact time of 2 hours and then drying at a temperature of 105 ° C., thus obtaining the doped phosphate.
- the doped phosphate is homogenized by quartering
- a volume of saturated brine water is added to the dough to prepare the final recipe, it is maintained by stirring which reduces the viscosity of the dough and facilitates the homogenization, and then said calcine is calcined. oven at a temperature ranging from 100 to 700 ° C for 4 hours, after cooling, the part of the formulation which constitutes the active ingredient (synthetic phosphate) and a support consisting of surfactants, fat, a emulsifier, preservative, abrasive and perfume.
- the targeted surface is cleaned by removal of suspended solids by applying the modified or modified phosphate formulation to said target.
- the surface is treated with mechanical friction and finalized by rinsing with water.
- the method according to the invention makes it possible to treat all kinds of surfaces and improves the service life and the fatigue resistance of the parts, provides an anti-corrosion protection, neutralizes the defects of rough foundry surfaces ...
- the method according to the invention first requires a step of removing grease, dust, fine solid debris contained in the article targeted polishing by rinsing with water so as to save the product polishing.
- the invention also relates to a device for implementing said method for treating surfaces by polishing, characterized in that it comprises at least: a cylindrical device capable of carrying different forms of polishing sponges.
- the device comprises a rubbing means (1) designed to facilitate chemical polishing and a means (2) of rotation which carries the polishing sponge.
Abstract
The invention relates to a surface treatment process and to polishing operations comprising the following steps: - The impurities which exist in the crude phosphate are removed using a sieve. - The phosphate is washed with distilled water, followed by filtration. - The phosphate is dried. - The phosphate is dampened with a titanium oxide solution. - The TiO2-doped phosphate is dampened with sulphuric acid and is heated. - A volume of saturated brackish water is added in order to prepare the formula. - The chemical formula is prepared by using, as a basis, a carrier consisting of surfactants, fat, an emulsifier, a preservative, an abrasive and fragrance. - The surface is cleaned by removal of the suspended matter and by bringing said flow into contact with the moderated or modified phosphate. - The surface is post-treated by additional rubbing. The invention also relates to a device for implementing said process.
Description
polissage polishing
Description Description
L'invention concerne un procédé de polissage et de traitement de surface, ainsi qu'un dispositif pour la mise en oeuvre dudit procédé. The invention relates to a method of polishing and surface treatment, and a device for carrying out said method.
L'invention entre dans le domaine de nettoyage, d'où la sous-classe B01D The invention falls within the scope of cleaning, hence subclass B01D
L'invention entre également dans le domaine du polissage, d'où la sous-classe C02F The invention is also in the field of polishing, hence the subclass C02F
Le polissage est un moyen de parachèvement (ou finition) des pièces de différents matériaux (métalliques, plastiques, bois...) visant à obtenir un bel aspect, un fini ou un état de surface de haute qualité. Polishing is a means of finishing (or finishing) pieces of different materials (metal, plastic, wood ...) to obtain a beautiful appearance, finish or surface finish of high quality.
Un traitement de surface est une opération mécanique, chimique et physique qui a pour conséquence de modifier l'aspect ou la fonction de la surface des matériaux afin de l'adapter à des conditions d'utilisation données. A surface treatment is a mechanical, chemical and physical operation that has the effect of modifying the appearance or the function of the surface of the materials in order to adapt it to given conditions of use.
Les systèmes de traitement de surfaces par polissage sont capables de parvenir à des niveaux d'élimination comparables aux meilleures technologies conventionnelles de traitement de surfaces avec des avantages tels, qu'ils ne déforment pas les pièces, améliore la durée de vie et la résistance à la fatigue, apporte une protection anticorrosion, neutralise les défauts de surfaces brutes de fonderie... The polishing surface treatment systems are capable of achieving removal levels comparable to the best conventional surface treatment technologies with advantages such that they do not deform the parts, improve the service life and the resistance to fatigue, provides anti-corrosion protection, neutralizes the defects of rough foundry surfaces ...
Des études de terrain et en laboratoire ont permis l'obtention d'excellente performance de traitement de surface par polissage. Avec des taux très importants d'élimination des corps gras, des souillures et des résines naturels et industriels, le décapage s'applique à différents types de métaux et sans rayures (aciers, fontes, bronze, aluminium). Field and laboratory studies have resulted in excellent polishing surface treatment performance. With very high rates of elimination of grease, dirt and natural and industrial resins, stripping applies to different types of metals and without scratches (steel, cast iron, bronze, aluminum).
L'objet de la présente invention est le traitement d'une plaque de cuivre en utilisant une faible quantité de phosphate synthétique. The object of the present invention is the treatment of a copper plate using a small amount of synthetic phosphate.
Le second objectif de cette invention est que le traitement obtenu est efficace. The second objective of this invention is that the treatment obtained is effective.
C'est dans le cadre d'une démarche inventive que l'on a imaginé un procédé de traitement des plaques de cuivre par polissage avec le phosphate synthétique en procédant comme suit : It is within the framework of an inventive step that a method of treating copper plates by polishing with synthetic phosphate was devised by proceeding as follows:
- On sépare des fractions du phosphate utilisé les éléments grossiers contenus dans lesdites phosphates, de manière à obtenir au moins d'une part une partie grossière et d'autre part une partie plus fine qui subira le traitement.
- On lave le phosphate à l'eau distillée avant de le filtrer sur une membrane d'un tamis. The coarse elements contained in said phosphates are separated from the fractions of the phosphate used, so as to obtain at least on the one hand a coarse part and on the other hand a finer part which will undergo the treatment. The phosphate is washed with distilled water before filtering it on a membrane of a sieve.
^-Qn-humecte4e-phosphate..av-ee_une_Sjilutio_n précurseur de TiQ2 de faible concentration, en laissant un temps de contact de 2 heures, puis on le sèche à une tempërâtûrirdê~lO5_0Cnôn" obtient ainsi le phosphate dopé. ^ -Qn-humecte4e-phosphate..av-ee_une_Sjilutio_n precursor of TiO 2 at low concentrations, allowing a contact time of 2 hours and then dried at a tempërâtûrirdê ~ _0 LO5 COFF "thus obtained, the doped phosphate.
- Une fois séché on l'homogénéise à l'acide sulfurique (H2S04) concentré en chauffant sous une agitation continue ceci ne conduit pas à la calcination mais à préparer une pâte huileuse grisâtre. Once dried, it is homogenized with concentrated sulfuric acid (H 2 SO 4 ) while heating with continuous stirring. This does not lead to calcination but to the preparation of a greyish oily paste.
- On ajoute à la pâte un volume d'eau saumâtre saturée pour préparer la recette finale, on le maintien par une agitation qui diminue la viscosité de la pâte et facilite l'homogénéisation, puis on calcine ledit mélange au four à une température graduée de 100 à 700 °C pendant 4 heures, après le refroidissement, on procède à la partie de formulation qui constitue le principe actif (le phosphate synthétique) et un support constitué de tensio-actifs, de la graisse, un émulsifîant, un conservateur, un abrasif et du parfum A volume of saturated brine water is added to the dough to prepare the final recipe, it is maintained by stirring which reduces the viscosity of the dough and facilitates homogenization, and then said mixture is calcined in the oven at a graduated temperature of 100 to 700 ° C for 4 hours, after cooling, we proceed to the part of the formulation that constitutes the active ingredient (synthetic phosphate) and a carrier consisting of surfactants, fat, an emulsifier, a preservative, a abrasive and perfume
Selon une autre caractéristique de l'invention, on réalise le traitement de surface d'un article par polissage chimique avec du phosphate modifié. According to another characteristic of the invention, the surface treatment of an article is carried out by chemical polishing with modified phosphate.
Selon un mode de réalisation de l'invention, on utilise le phosphate prétraité. According to one embodiment of the invention, the pretreated phosphate is used.
On sépare des fractions du phosphate utilisé les éléments grossiers contenus dans lesdites phosphates, de manière à obtenir au moins d'une part une partie grossière et d'autre part une partie plus fine qui subira le traitement. Fractions of the phosphate used are separated from the coarse elements contained in said phosphates, so as to obtain at least on the one hand a coarse part and on the other hand a finer part which will undergo the treatment.
Selon une autre caractéristique de l'invention, on lave le phosphate à l'eau distillée avant de le filtrer sur une membrane d'un tamis. According to another characteristic of the invention, the phosphate is washed with distilled water before filtering it on a membrane of a sieve.
Selon une autre caractéristique de l'invention, on humecte le phosphate avec une solution précurseur de Ti02 de faible concentration, en laissant un temps de contact de 2 heures, puis on le sèche à une température de 105 °C, on obtient ainsi le phosphate dopé. According to another characteristic of the invention, the phosphate is moistened with a low concentration TiO 2 precursor solution, leaving a contact time of 2 hours and then drying at a temperature of 105 ° C., thus obtaining the doped phosphate.
Par ailleurs, une fois séché le phosphate dopé est homogénéisée en réalisant un quartage Moreover, once dried, the doped phosphate is homogenized by quartering
Selon une autre caractéristique de l'invention, une fois séché on l'homogénéise à l'acide sulfurique (H2S04) concentré en chauffant sous une agitation continue, ceci ne conduit pas à la calcination mais à préparer une pâte huileuse grisâtre According to another characteristic of the invention, once dried, it is homogenized with concentrated sulfuric acid (H 2 SO 4 ) while heating with continuous stirring, this does not lead to calcination but to the preparation of a greyish oily paste.
Selon une autre caractéristique de l'invention, on ajoute à la pâte un volume d'eau saumâtre saturée pour préparer la recette finale, on le maintien par une agitation qui diminue la viscosité de la pâte et facilite l'homogénéisation, puis on calcine ledit mélange au four à une température graduée de 100 à 700 °C pendant 4 heure, après refroidissement, on procède à la partie de formulation qui constitue le principe actif (phosphate synthétique) et un support constitué de tensio-actifs, de la graisse, un émulsifîant, un conservateur, un abrasif et du parfum.
On nettoie la surface ciblée par élimination des matières en suspension en appliquant sur ladite cible la formulation à base du phosphate modéré ou modifié According to another characteristic of the invention, a volume of saturated brine water is added to the dough to prepare the final recipe, it is maintained by stirring which reduces the viscosity of the dough and facilitates the homogenization, and then said calcine is calcined. oven at a temperature ranging from 100 to 700 ° C for 4 hours, after cooling, the part of the formulation which constitutes the active ingredient (synthetic phosphate) and a support consisting of surfactants, fat, a emulsifier, preservative, abrasive and perfume. The targeted surface is cleaned by removal of suspended solids by applying the modified or modified phosphate formulation to said target.
Par après, on traite la surface par un frottement mécanique et on finalise par un rinçage avec de l'eau. Thereafter, the surface is treated with mechanical friction and finalized by rinsing with water.
Le procédé selon l'invention permet de traiter toutes natures de surfaces et améliore la durée de vie et la résistance à la fatigue des pièces, apporte une protection anticorrosion, neutralise les défauts de surfaces brutes de fonderie... The method according to the invention makes it possible to treat all kinds of surfaces and improves the service life and the fatigue resistance of the parts, provides an anti-corrosion protection, neutralizes the defects of rough foundry surfaces ...
Pour ce faire, le procédé selon l'invention nécessite au préalable une étape d'élimination de la graisse, la poussière, les débris fins solide contenus dans l'article ciblé au polissage par un rinçage avec l'eau de manière à économiser le produit du polissage. To do this, the method according to the invention first requires a step of removing grease, dust, fine solid debris contained in the article targeted polishing by rinsing with water so as to save the product polishing.
Après le séchage, la surface est prête à être polit avec le phosphate élaboré. After drying, the surface is ready to be polished with the elaborate phosphate.
L'invention concerne encore un dispositif pour la mise en œuvre dudit procédé pour le traitement de surfaces par polissage, caractérisé par le fait qu'il comprend au moins : un appareil cylindrique apte à porter différentes formes d'épongés de polissage. The invention also relates to a device for implementing said method for treating surfaces by polishing, characterized in that it comprises at least: a cylindrical device capable of carrying different forms of polishing sponges.
Tel que cela apparaît dans la figure ci-dessous (figure 1), le dispositif comprend un moyen (1) de frottage conçus pour faciliter le polissage chimique et un moyen (2) de rotation qui porte l'éponge de polissage.
As shown in the figure below (FIG. 1), the device comprises a rubbing means (1) designed to facilitate chemical polishing and a means (2) of rotation which carries the polishing sponge.
Claims
1. Procédé de polissage et traitements de surfaces par le phosphate modifié caractérisé par le fait qu'il soit réalisé en utilisant le tétrachlorure de titane ou l'oxyde de titane stabilisé par l'éthanol pour le dopage du phosphate, l'acide sulfurique concentrée et le chlorure de sodium pour préparer la recette finale 1. Process for polishing and surface treatments with modified phosphate, characterized in that it is carried out using titanium tetrachloride or titanium oxide stabilized with ethanol for doping phosphate, concentrated sulfuric acid and sodium chloride to prepare the final recipe
2. Procédé selon la revendication 1, caractérisé par le fait que le phosphate subit une étape de traitement avant utilisation 2. Method according to claim 1, characterized in that the phosphate undergoes a treatment step before use
3. Le procédé selon les revendications 1 et 2, caractérisé par le fait que l'on traite le phosphate selon les étapes suivantes : 3. The process according to claims 1 and 2, characterized in that the phosphate is treated according to the following steps:
- On sépare des fractions du phosphate utilisé les éléments grossiers contenus dans lesdites phosphates, de manière à obtenir au moins d'une part une partie grossière et d'autre part une partie plus fine qui subira le traitement. The coarse elements contained in said phosphates are separated from the fractions of the phosphate used, so as to obtain at least on the one hand a coarse part and on the other hand a finer part which will undergo the treatment.
- On lave le phosphate à l'eau distillée avant de le filtrer et de le sécher. - The phosphate is washed with distilled water before filtering and drying.
- On mélange le phosphate traité avec au moins 0,5 % de Ti02 de la masse totale. The treated phosphate is mixed with at least 0.5% Ti0 2 of the total mass.
4. Procédé selon les revendications 1 à 4, caractérisé par le fait que l'on mélange le phosphate traité avec la solution de dopage. 4. Process according to claims 1 to 4, characterized in that the treated phosphate is mixed with the doping solution.
5. Procédé selon les revendications 1 à 2, caractérisé par le fait que l'on utilise le tétrachlorure de titane ou le Ti02 stabilisé par l'éthanol. Le mélange est maintenu en agitation durant 1 heure et avec une vitesse de 700 tours par minute. 5. Process according to Claims 1 to 2, characterized in that titanium tetrachloride or ethanol-stabilized TiO 2 is used . The mixture is stirred for 1 hour and at a speed of 700 rpm.
6. Procédé selon les revendications 1 à 6, caractérisé par le fait que l'on sèche ledit mélange à une température de 105 °C 6. Process according to Claims 1 to 6, characterized in that the said mixture is dried at a temperature of 105 ° C.
7. Procédé selon les revendications 1 à 7, caractérisé par le fait que l'on humecte et mélange le phosphate dopé par l'acide sulfurique concentré jusqu'à obtention d'une pâte, on le chauffe sur une plaque chauffante avec une agitation continue sous une température ne conduisant pas à la calcination mais à préparer une pâte huileuse avec une couleur grisâtre 7. Process according to claims 1 to 7, characterized in that the doped phosphate is moistened and mixed with concentrated sulfuric acid until a paste is obtained, it is heated on a heating plate with continuous stirring. under a temperature not leading to calcination but to prepare an oily paste with a greyish color
8. Procédé selon les revendications 1 à 7, caractérisé par le fait que l'on ajoute un volume d'eau saumâtre saturée pour préparer la recette finale, on le maintien par une agitation qui diminue la viscosité de la pâte et facilite l'homogénéisation 8. Process according to claims 1 to 7, characterized in that a volume of saturated brine is added to prepare the final recipe, it is maintained by stirring which reduces the viscosity of the dough and facilitates homogenization.
9. Procédé selon les revendications 1 à 8, caractérisé par le fait que l'on calcine ledit mélange au four à une température qui est gradée de 100 à 700 °C 9. Process according to claims 1 to 8, characterized in that said mixture is calcined in the oven at a temperature which is graded from 100 to 700 ° C
10. Procédé selon les revendications 1 à 9, caractérisé par le fait que l'on formule le produit final, qui constitue le principe actif (la recette calciné) et le support qui contient l'eau distillée, des tensio-actifs, de la graisse, un émulsifiant, un conservateur, un abrasif et du parfum. 10. Process according to claims 1 to 9, characterized in that the final product, which constitutes the active principle (the calcined recipe) and the support which contains the distilled water, surfactants, fat, an emulsifier, a preservative, an abrasive and perfume.
11. Procédé selon les revendications 1 à 10, caractérisé par le fait que la surface destinée au polissage, soit prétraitée par un rinçage avec de l'eau.
11. Method according to claims 1 to 10, characterized in that the surface for polishing, is pretreated by rinsing with water.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MA35582 | 2013-01-18 | ||
MA35582A MA35300B1 (en) | 2013-01-18 | 2013-01-18 | Optimization of phosphates for surface treatments and polishing operations |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014112857A1 true WO2014112857A1 (en) | 2014-07-24 |
Family
ID=49182470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/MA2013/000018 WO2014112857A1 (en) | 2013-01-18 | 2013-06-14 | Optimization of phosphates for surface treatments and polishing operations |
Country Status (2)
Country | Link |
---|---|
MA (1) | MA35300B1 (en) |
WO (1) | WO2014112857A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001036554A1 (en) * | 1999-11-15 | 2001-05-25 | Cabot Microelectronics Corporation | Composition and method for planarizing surfaces |
US20090203213A1 (en) * | 2008-02-12 | 2009-08-13 | Samsung Electronics Co., Ltd. | Slurry composition for chemical-mechanical polishing and method of chemical-mechanical polishing with the same |
US20100197201A1 (en) * | 2007-07-30 | 2010-08-05 | Yutaka Nomura | Polishing liquid for metal and method of polishing |
-
2013
- 2013-01-18 MA MA35582A patent/MA35300B1/en unknown
- 2013-06-14 WO PCT/MA2013/000018 patent/WO2014112857A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001036554A1 (en) * | 1999-11-15 | 2001-05-25 | Cabot Microelectronics Corporation | Composition and method for planarizing surfaces |
US20100197201A1 (en) * | 2007-07-30 | 2010-08-05 | Yutaka Nomura | Polishing liquid for metal and method of polishing |
US20090203213A1 (en) * | 2008-02-12 | 2009-08-13 | Samsung Electronics Co., Ltd. | Slurry composition for chemical-mechanical polishing and method of chemical-mechanical polishing with the same |
Also Published As
Publication number | Publication date |
---|---|
MA35300B1 (en) | 2014-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Mella et al. | Utilization of tannery solid waste as an alternative biosorbent for acid dyes in wastewater treatment | |
TW201040109A (en) | Recovery of silicon and silicon carbide powder from kerf loss slurry using particle phase-transfer method | |
WO2011010587A1 (en) | Method for treatment of liquid waste of coating agent | |
CA2296004A1 (en) | Method for eliminating metals from fatty substances and gums associated with said metals | |
JP2009525405A5 (en) | ||
WO2014112857A1 (en) | Optimization of phosphates for surface treatments and polishing operations | |
CA1284885C (en) | Treatment process of lanthanum and for yttrium ore | |
CN103896264A (en) | Diamond synthesis rod purification process | |
CN109021835A (en) | A kind of high-hardness stainless steel grinding and polishing liquid | |
CN106881635A (en) | Handware glossing | |
RU2372970C1 (en) | Method of production of especially pure filtering materials made of diatomites | |
WO2005067987A1 (en) | Method for producing a sodium chloride and sodium hyperchlorite solution | |
FR2519348A1 (en) | PROCESS FOR REGENERATING LUBRICATING OILS USED BY TREATMENT WITH REDUCING AGENTS OF THE HYDRIDE TYPE AND OILS REGENERATED BY THIS PROCESS | |
JP2006176876A (en) | Extraction method for metal particulate or the like, and its application | |
RU2605118C1 (en) | Polishing paste | |
RU2558122C1 (en) | Method of obtaining mixed coagulant from mineral raw material | |
CN100413931C (en) | Preparation method of nano-copper used as lubricating oil additive | |
EP0274776A1 (en) | Baths and process for chemically polishing stainless steel surfaces | |
RU2639148C2 (en) | Method for purifying perfluoroethylisopropyl ketone | |
US2591245A (en) | Aluminum paste pigment | |
Hassan et al. | Congo red dye removal from aqueous solution by encapsulated eggshell membrane using central composite design | |
CH416569A (en) | Process for preparing a catalyst | |
CN1802205A (en) | Semi-synthetic bleaching earth | |
CN102632231B (en) | Cleaning agent for recycling iron powder from magnetic filtered product in cold rolling plant | |
FR2814691A1 (en) | DEGREASING PROCESS AND DEVICE |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13762906 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 13762906 Country of ref document: EP Kind code of ref document: A1 |