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780 results about "Electronic waste" patented technology

Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for refurbishment, reuse, resale, salvage recycling through material recovery, or disposal are also considered e-waste. Informal processing of e-waste in developing countries can lead to adverse human health effects and environmental pollution.

Using a community of distributed electronic agents to support a highly mobile, ambient computing environment

A highly mobile, ambient computing environment is disclosed for serving a knowledge worker away from the their desk. The present invention allows a knowledge worker to get increased leverage from personal, networked, and interactive computing devices while in their car, airplane seat, or in a conference room with others. An Open Agent Architecture is used to incorporate elements such as GPS agents, speech recognition, and opportunistic connectivity among meeting participants. Communication and cooperation between agents are brokered by one or more facilitators, which are responsible for matching requests, from users and agents, with descriptions of the capabilities of other agents. It is not generally required that a user or agent know the identities, locations, or number of other agents involved in satisfying a request, and relatively minimal effort is involved in incorporating new agents and “wrapping” legacy applications. Extreme flexibility is achieved through an architecture organized around the declaration of capabilities by service-providing agents, the construction of arbitrarily complex goals by users and service-requesting agents, and the role of facilitators in delegating and coordinating the satisfaction of these goals, subject to advice and constraints that may accompany them.
Owner:IPA TECH INC

Regenerating method and process for recycling rare precious metals from electronic wastes

The invention discloses a regenerating method and process for recycling rare precious metals from electronic and electric wastes, and particularly discloses a process for recycling non-ferrous and rare precious metals such as copper, tin, gold, silver, platinum, palladium, rhodium and the like from electronic wastes. The regenerating method comprises the following steps of: smashing circuit boards and elements dismounted from waste electronic and electric appliances such as waste computers, waste mobile phones, waste televisions and the like to 40-200 meshes; dissolving a binder by using an organic solvent; then, separating metals and nonmetals by using a high voltage electrostatic method; next, leaching the precious metals by using sulfuric acid and aqua regia; extracting silver, gold, platinum, palladium and rhodium step by step by using a liquid membrane; and finally, carrying out purification treatment to obtain nonferrous metals such as copper and tin and the rare precious metals such as gold, silver, platinum, palladium, rhodium and the like, so that the waste secondary resource is regenerated and recycled. The regenerating method has the advantages of simplicity and convenience in process, high comprehensive metal recycle ratio, few three wastes, easiness for treatment and low cost, is a favorable technical approach for efficient utilization of mineral resources of cities, and not only has an environment-friendly benefit, but also has favorable economic and social benefits.
Owner:HUNAN TONGLI ELECTRONICS WASTE RECOVERING DISSEMBLING & UTILIZATION

Method for recovering valuable metal from waste lithium ion battery material

The invention discloses a method for recovering valuable metal from a waste lithium ion battery material, and belongs to the technical field of comprehensive recycling and resource recycling of electronic wastes. The method comprises steps of mixing the cathode material of the waste lithium ion battery with low-valence sulfate such as sulfur or sulfide; subjecting the mixture to a sulfuration calcination treatment at a temperature of 300 to 900 degrees centigrade; immersing a calcined product in water to obtain a lithium salt aqueous solution which can be further used for preparing a lithium carbonate product; subjecting to water leaching residues to oxidation acid leaching or direct acid leaching to extract valuable elements such as nickel, cobalt and manganese; and purifying and extracting the leaching solution to obtain the corresponding cobalt salt and nickel salt products. The method of the invention has a simple process and a short process flow. The sulfur dioxide gas generated by calcining the sulfide can be used for preparing sulfuric acid used for subsequent nickel-cobalt leaching, thereby achieving zero pollution discharge and finally achieving a purpose of comprehensively recovering the valuable metal in the lithium ion battery cathode material at high efficiency and low cost.
Owner:BEIJING MINING & METALLURGICAL TECH GRP CO LTD

Waste and old electronic trash classified recycling bin capable of being used as advertising lamp box

The invention discloses a waste and old electronic trash classified recycling bin capable of being used as an advertising lamp box. The waste and old electronic trash classified recycling bin capable of being used as the advertising lamp box comprises a bin body, an advertising lamp box and a solar panel, wherein the bin body is provided with a waste and old mobile phone battery slot, a dry battery slot, a button battery slot and an energy-saving lamp slot, wherein the slots are respectively provided with a detection device used for detecting whether trash is a waste and old battery or an energy-saving lamp; the solar panel supplies power to the operation of the advertising lamp box and the recycling bin. The waste and old electronic trash classified recycling bin capable of being used as the advertising lamp box can realize automatic detection, and the waste and old battery and the energy-saving lamp can be subjected to classification collection while the waste and old battery is prevented from being mixed with waste, thereby being favorable for collecting the waste and old battery and the energy-saving lamp. The recycling bin and the advertising lamp box are combined, so that the waste and old electronic trash classified recycling bin has the advantages of strong practicality and good publicity effect. Meanwhile, solar energy is used to supply power to the recycling bin, and therefore the waste and old electronic trash classified recycling bin has the advantages of saving energy, protecting the environment, and being convenient to install and use.
Owner:王冬栋

Synergetic metal recycling method for nickel and cobalt containing waste batteries and copper containing electronic waste

The invention provides a synergetic metal recycling method for nickel and cobalt containing waste batteries and copper containing electronic waste. The preliminarily smashed and metal element enriched waste batteries and the copper containing electronic waste are mixed, and a slag former and a reducing agent in a certain ratio are blended for an oxidative reducing reaction; relatively active metal iron, aluminum and the like in the reaction process form oxide to enter an upper layer slag phase; metal cobalt and nickel enter copper liquid on the bottom layer, and therefore the metal phase and a slag phase are separated, and metal containing copper, cobalt and nickel is obtained; and copper, cobalt, nickel and other high-purity metal are recycled through electrorefining. The method is short in flow, high-temperature thermometallurgy is adopted for synergetically recycling the valuable metal in the batteries and the electronic waste, and the problems that traditional waste battery wet recycling efficiency is low, the environment is polluted, a large amount of lixivium needs to be used, and a large amount of acid and alkaline is consumed are avoided; and an efficient novel recycling way is provided for waste ternary battery and electronic waste resource recycling, and good industrial application prospects are achieved.
Owner:SINO SCI PROCESS BEIJING SCI&TECH CO LTD

Method for extracting valuable metals from electronic waste

The invention discloses a method for extracting valuable metals from electronic waste. The method comprises the following concrete steps: smashing; oxidant ammoniac leaching; separating organic components; purifying leaching solution and electrodepositing to obtain the final products of organic granules, gold/silver/palladium powder and cathode copper, more concretely, the method comprises the following steps: carrying out the selective leaching on the smashed electronic waste by an oxidant ammoniac system; separating the organic granules on the basis of the characteristic that the organic components in the smashed electronic waste float on the surface layer of the leaching solution, for the density of the organic components is lower, whereas the valuable metals, such as Au, Ag, Pd, Cu, Ni, Cd, Zn and Pb, enter the solution; then, extracting the valuable metals of Au, Ag and Pd from the leaching solution by replacement; and finally obtaining the electrodeposit copper by the electro-deposition method, and extracting the metals of Ni, Pb, Zn and Cd from the electrolyte by the open-circuit method after the enrichment of the electrolyte. The invention has the outstanding advantages of high material adaptability, high metal recovery rate and low environmental pollution, and achieves the balance between the environmental benefit and the economic benefit.
Owner:CENT SOUTH UNIV +1
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