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    • 2. 发明申请
    • METHOD FOR REMOVING AMMONIA NITROGEN IN COKING WASTEWATER
    • 在废水中去除氨氮的方法
    • US20110203998A1
    • 2011-08-25
    • US12672095
    • 2008-07-25
    • Hongqiang RenLili DingTao Zhang
    • Hongqiang RenLili DingTao Zhang
    • C02F1/58C02F1/68C02F1/52
    • C02F1/5254C02F1/025C02F1/5236C02F1/66C02F9/00C02F11/10C02F11/121C02F2101/16C02F2103/16C02F2103/365
    • A new method for removing ammonia nitrogen in coking wastewater is disclosed in this invention. It comprises steps as follow: introducing coking wastewater into a reaction pool into which magnesium and phosphate are added; adding sodium hydroxide to regulate the PH of the mixture around 9.0-10.5; separating the supernatant and the precipitate after proper agitation and natural precipitation; dehydrating the precipitate and then adding alkaline fly ash, water to the dehydrated precipitate and stirring the mixture; decomposing the mixture with heating and absorbing the ammonia gas thereof produced with acidic solution. In consideration of high concentration of ammonia nitrogen in coking wastewater, this invention aims at quick and efficient treatment. The concentration of ammonia nitrogen in treated water meets the highest discharge standard stipulated in [China National] Integrated Wastewater Discharge Standard (GB8978-96). Meanwhile, this invention provides a new way for beneficial utilization of the alkaline fly ash as well. The chemicals adopted for wastewater precipitation in this invention can be recovered for recyclable use, which consequently cuts down the total cost of the wastewater treatment.
    • 在本发明中公开了一种在焦化废水中除去氨氮的新方法。 包括以下步骤:将焦化废水引入加入镁和磷酸盐的反应池中; 加入氢氧化钠调节混合物的PH值在9.0-10.5左右; 在适当搅拌和自然沉淀后分离上清液和沉淀物; 将沉淀物脱水,然后加入碱性飞灰,将水加入脱水沉淀中并搅拌混合物; 通过加热分解混合物并吸收其用酸性溶液产生的氨气。 考虑到焦化废水中高浓度的氨氮,本发明旨在快速有效地处理。 处理水中氨氮浓度符合“中国国家综合污水排放标准”(GB8978-96)规定的最高排放标准。 同时,本发明也提供了有益地利用碱性飞灰的新途径。 在本发明中用于废水沉淀的化学品可以回收用于可回收利用,因此降低了废水处理的总成本。
    • 3. 发明授权
    • Molecular sieve
    • 分子筛
    • US08709963B2
    • 2014-04-29
    • US13420600
    • 2012-03-14
    • Hongqiang RenTao ZhangLili Ding
    • Hongqiang RenTao ZhangLili Ding
    • B01J29/06B01J27/182
    • C02F1/281B01J20/18B01J20/28057B01J20/28064C01B37/00C01P2006/14C01P2006/16C02F2101/16
    • A molecular sieve including a basic skeleton of a molecular sieve and magnesium and phosphorus compounds as functional materials supported on the inner surface of the basic skeleton. A method of preparation of a modified molecular sieve including (1) dissolving a magnesium salt in water to obtain a magnesium salt solution; (2) dissolving phosphoric acid in water to obtain a phosphoric acid solution; (3) adding a molecular sieve to the magnesium salt solution, stirring, standing, drying for dehydration, and baking; and (4) adding a modified molecular sieve with supported magnesium compounds obtained from the step (3) to the phosphoric acid solution, stirring, standing, drying for dehydration, and baking to obtain a modified molecular sieve. The modified molecular sieve has high selectivity for ammonia nitrogen in wastewater.
    • 包括分子筛的基本骨架的分子筛和作为功能材料的镁和磷化合物被支撑在基本骨架的内表面上。 一种制备改性分子筛的方法,包括(1)将镁盐溶于水中以获得镁盐溶液; (2)将磷酸溶解在水中,得到磷酸溶液; (3)向镁盐溶液中加入分子筛,搅拌,静置,干燥脱水,烘烤; 和(4)将由步骤(3)获得的负载的镁化合物的改性分子筛加入到磷酸溶液中,搅拌,静置,干燥脱水,并烘烤得到改性分子筛。 改性分子筛对废水中的氨氮具有较高的选择性。
    • 4. 发明授权
    • Method for removing ammonia nitrogen in coking wastewater
    • 焦化废水中氨氮去除方法
    • US08329040B2
    • 2012-12-11
    • US12672095
    • 2008-07-25
    • Hongqiang RenLili DingTao Zhang
    • Hongqiang RenLili DingTao Zhang
    • B01D21/00C02F1/52
    • C02F1/5254C02F1/025C02F1/5236C02F1/66C02F9/00C02F11/10C02F11/121C02F2101/16C02F2103/16C02F2103/365
    • A new method for removing ammonia nitrogen in coking wastewater is disclosed in this invention. It comprises steps as follow: introducing coking wastewater into a reaction pool into which magnesium and phosphate are added; adding sodium hydroxide to regulate the PH of the mixture around 9.0-10.5; separating the supernatant and the precipitate after proper agitation and natural precipitation; dehydrating the precipitate and then adding alkaline fly ash, water to the dehydrated precipitate and stirring the mixture; decomposing the mixture with heating and absorbing the ammonia gas thereof produced with acidic solution. In consideration of high concentration of ammonia nitrogen in coking wastewater, this invention aims at quick and efficient treatment. The concentration of ammonia nitrogen in treated water meets the highest discharge standard stipulated in [China National] Integrated Wastewater Discharge Standard (GB8978-96). Meanwhile, this invention provides a new way for beneficial utilization of the alkaline fly ash as well. The chemicals adopted for wastewater precipitation in this invention can be recovered for recyclable use, which consequently cuts down the total cost of the wastewater treatment.
    • 在本发明中公开了一种在焦化废水中除去氨氮的新方法。 包括以下步骤:将焦化废水引入加入镁和磷酸盐的反应池中; 加入氢氧化钠调节混合物的PH值在9.0-10.5左右; 在适当搅拌和自然沉淀后分离上清液和沉淀物; 将沉淀物脱水,然后加入碱性飞灰,将水加入脱水沉淀中并搅拌混合物; 通过加热分解混合物并吸收其用酸性溶液产生的氨气。 考虑到焦化废水中高浓度的氨氮,本发明旨在快速有效地处理。 处理水中氨氮浓度符合“中国国家综合污水排放标准”(GB8978-96)规定的最高排放标准。 同时,本发明也提供了有益地利用碱性飞灰的新途径。 在本发明中用于废水沉淀的化学品可以回收用于可回收利用,因此降低了废水处理的总成本。
    • 5. 发明申请
    • PACKET LOSS CONCEALMENT FOR BIDIRECTIONAL EAR-TO-EAR STREAMING
    • 双向远程流量分组丢失隐患
    • US20170078807A1
    • 2017-03-16
    • US14854716
    • 2015-09-15
    • Frederic Philippe Denis MustiereIvo MerksTao Zhang
    • Frederic Philippe Denis MustiereIvo MerksTao Zhang
    • H04R25/00G10L19/005
    • H04R25/554G10L19/005H04R25/552
    • Embodiments of packet loss concealment in a hearing assistance device are generally described herein. A method for packet loss concealment can include receiving, at a first hearing assistance device, a first encoded packet stream from a second hearing assistance device and a signal frame. The method can include encoding, at the first hearing assistance device, the signal frame and determining, at the first hearing assistance device, that a second encoded packet stream was not received from the second hearing assistance device within a predetermined time. In response to determining that the second encoded packet stream was not received, the method can include decoding, at the first hearing assistance device, the encoded signal frame, and outputting the signal frame and the decoded signal frame.
    • 这里一般地描述助听装置中的分组丢失隐藏的实施例。 一种用于分组丢失隐藏的方法可以包括在第一听力辅助装置处接收来自第二助听装置的第一编码分组流和信号帧。 该方法可以包括在第一听力辅助装置处编码信号帧,并且在第一听力辅助装置处确定在预定时间内没有从第二听力辅助装置接收到第二编码分组流。 响应于确定未接收到第二编码分组流,该方法可以包括在第一听力辅助设备处对编码的信号帧进行解码,以及输出信号帧和解码的信号帧。
    • 10. 发明授权
    • Method and apparatus for microphone matching for wearable directional hearing device using wearer's own voice
    • 用于使用佩戴者自己的声音的可穿戴式定向听力装置的麦克风匹配的方法和装置
    • US09210518B2
    • 2015-12-08
    • US13251358
    • 2011-10-03
    • Tao Zhang
    • Tao Zhang
    • H04R3/00H04R25/00H04R29/00
    • H04R25/407H04R29/006
    • Method and apparatus for microphone matching for wearable directional hearing assistance devices are provided. An embodiment includes a method for matching at least a first microphone to a second microphone, using a user's voice from the user's mouth. The user's voice is processed as received by at least one microphone to determine a frequency profile associated with voice of the user. Intervals are detected where the user is speaking using the frequency profile. Variations in microphone reception between the first microphone and the second microphone are adaptively canceled during the intervals and when the first microphone and second microphone are in relatively constant spatial position with respect to the user's mouth.
    • 提供了一种用于穿戴式定向听力辅助装置的麦克风匹配的方法和装置。 实施例包括使用来自用户嘴部的用户声音来将至少第一麦克风与第二麦克风相匹配的方法。 处理用户的话音由至少一个麦克风接收以确定与用户的语音相关联的频率分布。 使用频率分布检测用户正在说话的间隔。 在第一麦克风和第二麦克风之间的麦克风接收的变化在间隔期间自适应地消除,并且当第一麦克风和第二麦克风相对于用户的嘴处于相对恒定的空间位置时。