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301 results about "Proper treatment" patented technology

Method and apparatus for order independent processing of virtual private network protocols

Methods and arrangements for virtual private network (VPN) data packets are disclosed. VPN packets include a payload having Internet Protocol (IP) addresses which guide the packet through a network to a security gateway. The payload may be encrypted and/or compressed and may include internal addresses to denote the real source and destination for a data portion of the payload. As initial control packets are received they are authenticated and rules and procedures are identified for proper treatment of VPN data packets bearing the same source IP address. The rules and procedures are stored in a gateway data engine having a plurality of protocol processing modules. VPN data packets are received by a protocol discriminator which reads the stored rules and procedures identified for the source IP address of the received packet. The discriminator passes the received packet to a first protocol module as identified in the stored rules and procedures. After the first module completes processing, the packet is passed back to the protocol discriminator which determines whether further protocol processing is required. When further protocol processing is required, the packet is passed to another protocol module for processing in accordance with another protocol. At the completion of processing, the second protocol module returns the packet to the protocol discriminator.
Owner:LUCENT TECH INC

Method for treating desulfurization ash

The invention discloses a method for treating desulfurization ash. The method comprises the following steps of: mixing the desulfurization ash generated by a dry/semidry desulphurization process and limestone powder, which serve as raw materials of a desulfurizer in a wet flue gas desulfurization process, according to a proportion; uniformly stirring the desulfurizer and pumping the desulfurizer into a slurry pond of an absorption tower; adding a catalyst into the slurry pond; introducing oxidation air into the slurry pond; introducing flue gas into the slurry pond through a flue; reacting the desulfurizer with SO2 in the flue gas under the action of the oxidation air and the catalyst; controlling the pH value of the slurry in the absorption tower, the slurry temperature, the content of solid matters contained in the slurry and the retention time of the desulfurizer in the slurry pond; after the reaction is completed, performing vortex concentration and vacuum filtration to obtain a gypsum by-product; and adding wastewater produced in the process into a process water collection box for recycling. The method is simple, is easy to realize, has remarkable effect, provides a safe and proper treatment way for the dry/semidry desulfurization ash and has good economic and social benefits.
Owner:BAOSHAN IRON & STEEL CO LTD
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