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7461449 |
Apparatus for reclamation of precious metals from circuit board scrap
The present invention springs from the discovery that mild acids could be utilized to shear undesired metals away from desired precious metals that have been plated onto circuit board runners or...
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7441717 |
Micromedia milling process
A process for forming a dispersion of milled solid particles of a compound comprising forming a milling mixture of a liquid medium, milling media having an average particle size of less than or...
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7306697 |
Used paper diaper processing method and used paper diaper processing device
The present invention provides a used paper diaper processing method comprising: a swell suppressing step for immersing a used paper diaper in a swell suppressant solution to suppress the swelling...
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7165680 |
Selective flotation agent and flotation method
A new reagent for the application in the preparation of mineral raw materials, mainly sulphide and oxyde mono- and polymetallic ores of non-ferrous metals, which are used as a corrosion inhibitor...
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7152742 |
Separation process for carpets
Comminuted carpet pieces are fed to a first stirred tank together with an aqueous solution containing separating salt, to form a first suspension, which is fed to a first mechanical separating...
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7014132 |
Method and plant for separating polymeric materials
A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G,...
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6997407 |
Decontamination of RPET through particle size reduction
Contaminants are removed from RPET flakes by a process which includes the steps of comminuting the RPET flakes to produce RPET particles and driving the contaminants out from the RPET particles.
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6986192 |
Method for reclamation of precious metals from circuit board scrap
The present invention springs from the discovery that mild acids could be utilized to shear undesired metals away from desired precious metals that have been plated onto circuit board runners or...
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6835230 |
Method for leaching zinc concentrate
A method of leaching zinc from a zinc concentrate comprising leaching a zinc concentrate in an aqueous solution containing free sulfuric acid and ferric ions, whereby elemental sulfur is deposited...
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6752336 |
Carpet recycling method
The invention is an efficient and cost-effective method of recovering carpet materials by reducing carpet into size-reduced fibers, slurrying the size-reduced fibers in a liquid medium, and then...
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6713038 |
TiO2 compounds obtained from a high silica content ore
A titanium dioxide compound was isolated from a rare type of naturally occurring ore. Processes for efficiently isolating and obtaining these TiO 2 compounds, as well as methods for using them...
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6576140 |
Commercial kitchen sink drain improvement
A food disposal system for installation on a drain of a commercial kitchen sink enables segregation of oil/grease from effluent flows from the drain. A housing collects effluent flows containing...
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6568612 |
Method of and apparatus for disposing waste
A waste disposal apparatus comprising a crushing means for crushing waste including a circuit board into fragments, and a circuit board sorting means for sorting fragments of the circuit board from...
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6474574 |
Process for removing paint from polymeric materials
Process and apparatus for separating a coating from an elastomeric material with the use of an extruder.
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6460788 |
Method and installation for separating all categories of polymer materials
The invention concerns a method for separating all categories of polymer materials derived from waste characterised by successive steps and phases, implemented in the following order: sequentially,...
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6391435 |
Reinforcing bamboo fiber, manufacturing method thereof, inorganic molded body using reinforcing bamboo fiber, and manufacturing method thereof
Bamboo fibers are utilized to serve as a reinforcing material and for manufacturing an inorganic molded body. In order to produce the bamboo fibers with excellent durability, in a first step bamboo...
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6390395 |
Heavy liquids for use in separation processes
The subject invention pertains to the use of non-toxic heavy liquids and slurries in the separation of components of ores, concentrates, residues, soils, and scrap. Specifically exemplified herein...
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6306222 |
Process for cleaning plastics for recycling them
A process for cleaning plastic materials is disclosed, in which foreign materials adhered on and internally intruded into the plastic materials are cleaned to recycle the plastic materials. The...
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6213306 |
Process and facility for treating and sorting recyclable waste materials
The invention refers to a procedure and an installation for the pure, according to sort, processing of recoverable material refuse, with a selection of heavy disruptive materials, with a crushing...
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6182913 |
Method and apparatus for reclaiming carpet components
A system for reclaiming carpet components such as yarn, tufting primary, binder, and secondary backing wherein the carpet is sprayed with a high velocity water spray so as to disjoint the...
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6168642 |
Industrial utilization of garbage with effective recycling and with optimization in energy production
A recycling process for garbage containing a high proportion of paper where printed paper is first separated from the garbage. The garbage is then into pieces and light and heavy components are...
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6138929 |
Process for removing paint from polymeric material
Coated polymeric material is sized and fed into an extruder. The material is cooled to maintain the temperature of the polymeric material below its melt index. The shearing action of the extruder...
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6135372 |
Hydroxy-carboxylic acid grinding aids
A grinding composition is disclosed for the grinding particulate metal containing minerals containing as a grinding aid at least one hydroxy-carboxylic acid of five to six carbon atoms, containing...
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6123277 |
Process and device for making use of plastic-coated or sheathed wiring and waste wire for the separate recovery of metal and pure recyclable plastic
The invention relates to a method for the recycling of plastic-coated cable residues, which comprise a metal core and a plastic jacket, wherein the metal parts are separated from the jacket and are...
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6114401 |
Plastic reclamation process
A plastic article or plastic container reclamation process if provided in which plastic containers are divided into relatively large pieces, then washed, agitated and separated using an aqueous...
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6095441 |
Process of separating mixed plastic waste into light and heavy plastic phases
According to the present invention, plastic waste mixture is first comminuted, and if required, subjected to magnetic separation and/or eddy-current separation, by which separable metals are...
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6086804 |
Method of making bamboo fiber and inorganic body
Bamboo fibers are utilized to serve as a reinforcing material and for manufacturing an inorganic molded body. In order to produce the bamboo fibers with excellent durability, in a first step bamboo...
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6082548 |
Mobile soil treatment apparatus and method
An apparatus for treating contaminated soil is disclosed. The apparatus includes a reactor vessel for holding a volume of water which is subdivided into a first chamber and a second chamber. The...
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6053439 |
Reducing wax content and enhancing quality of recycled pulp from OCC and waste paper
A system and method for treating a waxed fiber paper product with a high wax content to remove a substantial portion of the wax content includes the pulping of the wax paper fiber at an elevated...
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6007005 |
ABS recycling process
The present recycling process is accomplished by first shredding used plastics to produce shredded plastics, separating metals and undesirable plastics from the shredded plastics to produce...
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6000639 |
Treating municipal solid waste for producing hydrocarbon fuel products
Municipal solid waste (MSW) material is sized to provide a particulate material which is density separated into organic and inorganic portions using a suitable polar acidic organic liquid medium....
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5992774 |
Method and system for recycling construction waste articles
A method and system for recycling construction waste articles is disclosed. In the method and system of this invention, construction waste articles are crushed into primary pieces of not larger...
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5992640 |
Precious metals recovery from ores
A process for recovery of a precious metals containing mineral from a non-sulphidic gangue mineral comprising: preparing a pulp of a material containing the precious metals containing and gangue...
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5957295 |
Apparatus and method for the processing of refuse mixtures including plastic waste
The present invention discloses an apparatus and method for the processing of refuse mixtures which may include relatively high concentrations of plastic waste, such as refuse mixtures including...
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5948276 |
Plastic separation method
The present invention pertains to the separation of mixtures of plastics, contaminated with, among other things, mineral heavy materials such as e.g. sand or metal refuse. Separation occurs...
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5915634 |
Method and device for separating harder from less harder material
Method and device for separating harder from less harder substances of a compact mass block (1) consisting of hard and less hard substances, such as magnesium or aluminum from slag and refuse...
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5902976 |
System for separating waste materials by enhanced water floatation
Improved control for the separation of waste materials, or materials having waste components, is provided by the injection of air, or other gas bubbles, into a water-filled tank while...
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5900604 |
Progressive mineral reduction with classification, grinding and air lift concentration
The present invention is a process for recovering valuable minerals using air lift concentration and progressive ore reduction. The ore is ground to a relatively coarse size, the ground ore is...
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5894996 |
Method and apparatus for reclaiming plastic
A method and apparatus for reclaiming component plastics from a mixture of plastics wherein differentials in specific gravity serves as the segregation mechanism. The method includes the steps of:...
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5865318 |
Reverse crago process for siliceous phosphates
An improved reverse crago process for beneficiating siliceous phosphate includes the steps of subjecting a siliceous phosphate ore material to amine floatation so as to obtain a prefloat...
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5855325 |
Method of separating glass from film in the recycling of laminated glass panes
A method of separating glass from film in a recycling of laminated panes, includes the following consecutive steps: in a crusher, breaking the glass carried on the film; heating the broken panes in...
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5807808 |
Method of preparing Bi oxide superconducting wire
In order to obtain a Bi--Sr--Ca--Cu--O or Bi--Pb--Sr--Ca--Cu--O oxide superconducting wire, raw material powder is pulverized to remove particles of non-superconducting phases having large particle...
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5791566 |
Method and apparatus for submerged grinding of wastes
An improved apparatus for submerged grinding of wastes includes a vessel that is filled with an alkaline liquid and which has a mechanism for grinding a feed waste containing organic solids, a...
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5727740 |
Method and apparatus for recovering fractional components of soil
A method of removing fractional components from earthen material, including processes for removing precious carbon jewels from soil, precious metals from low grade ores, lead pellets from...
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5722603 |
Process for separation and recovery of waste carpet components
A process for separating and recovering waste carpet material components, especially face fiber material, includes removing adhesive material from the waste carpet material feedstock to obtain a...
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5707015 |
Process for recovery of the constituent materials from lead acid batteries
A process and apparatus for recovery of constituent materials from lead acid batteries is shown in which the battery is dismantled in a stepwise procedure under which the materials are separated,...
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5667151 |
Process and apparatus for collecting waste plastics as separated
A process for collecting waste plastics as separated comprises the steps of presorting out waste plastics from separated municipal refuse, crushing the waste plastics, reducing the volume of...
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5667147 |
Process and device for granulating and crushing molten materials and grinding stocks
A molten melt of slag and grinding material is introduced into a mixing chamber to which a cooling and mixing agent is injected, the agent being compressed air, water or an air/water mixture which...
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5647544 |
Method and apparatus for dividing and separating self-adhesive composite plastic materials
A method and apparatus for the single type recovery of plastic materials from starting pieces of a multiple composite material is disclosed. The starting pieces are firstly comminuted mechanically...
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5645229 |
Apparatus for and method of pulping waste paper
Method of pulping of waste papers is disclosed in this invention which includes a water supply and twin tube cylinder tanks mounted horizontally, and a shaft extending inside of the tanks, and...
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