Process for the remediation of soil polluted by organic compounds
    3.
    发明授权
    Process for the remediation of soil polluted by organic compounds 有权
    有机化合物污染土壤修复工艺

    公开(公告)号:US07287933B2

    公开(公告)日:2007-10-30

    申请号:US10481413

    申请日:2002-07-04

    CPC分类号: B09C1/02

    摘要: An improved process is described for the removal of organic pollutants from soil by extraction with a lipophylic solvent, wherein the improvement consists in the fact that the purified soil is treated with water to remove the residual solvent. This process allows the residual solvent to be completely removed from the purified soil enabling it to be re-inserted into the environment, with a low energy consumption and a greater guarante of safety in the running of the plant.

    摘要翻译: 描述了一种通过用脂质溶剂萃取从土壤中去除有机污染物的改进方法,其中改进在于用纯水处理净化的土壤以除去残余溶剂。 该方法允许残留的溶剂从纯化的土壤中完全除去,使其能够以低能量消耗重新插入环境中,并且在工厂的运行中更加保证安全性。

    Photodegradative process for the purification of contaminated water
    6.
    发明授权
    Photodegradative process for the purification of contaminated water 失效
    污染水净化的光降解过程

    公开(公告)号:US06468434B2

    公开(公告)日:2002-10-22

    申请号:US09876108

    申请日:2001-06-08

    IPC分类号: C02F130

    摘要: A photodegradative process is described for the purification of water contaminated by ether-based compounds, especially methylterbutyl ether (MTBE) or its analogous products, which comprises the following steps: (a) treatment of the contaminated water with an inorganic acid up to a pH ranging from 4.0 to 4.5 with the elimination of the carbon dioxide thus formed; (b) dispersion in the water of solid particles of a metal oxide of the semiconductor type or dissolution of a stream consisting of ozone in pure oxygen or air; (c) irradiation of the dispersion or solution obtained in step (b) with ultraviolet light to degrade the ether-based contaminants.

    摘要翻译: 描述了用于净化被醚类化合物,特别是甲基叔丁基醚(MTBE)或其类似产物污染的水的光降解方法,其包括以下步骤:(a)用无机酸处理受污染的水直到pH 范围为4.0至4.5,消除由此形成的二氧化碳;(b)在半导体类型的金属氧化物的固体颗粒的水中分散或在纯氧或空气中溶解由臭氧组成的物流;(c) 用紫外线照射步骤(b)中得到的分散体或溶液以降解醚类污染物。

    PROCESS FOR THE RECOVERY OF OILS FROM A SOLID MATRIX
    7.
    发明申请
    PROCESS FOR THE RECOVERY OF OILS FROM A SOLID MATRIX 有权
    从固体基质中回收油的方法

    公开(公告)号:US20130037449A1

    公开(公告)日:2013-02-14

    申请号:US13578275

    申请日:2011-02-08

    IPC分类号: C10G1/04

    摘要: Process for the recovery of oils from a solid matrix comprising: subjecting said solid matrix to extraction by mixing with at least one organic solvent having a boiling point lower than or equal to 160° C., preferably ranging from 60° C. to 140° C., operating at a temperature ranging from 5° C. to 40° C., preferably ranging from 15° C. to 30° C., and at atmospheric pressure (1 atm), obtaining a solid-liquid mixture; subjecting said solid-liquid mixture to separation, obtaining a liquid phase comprising said oils and said organic solvent and a solid phase comprising said solid matrix; recovering said organic solvent from said liquid phase.

    摘要翻译: 用于从固体基质中回收油的方法,包括:使所述固体基质与至少一种沸点低于或等于160℃,优选在60℃至140℃的有机溶剂混合进行萃取 在5℃至40℃,优选15℃至30℃和大气压(1atm)的温度下操作,得到固体 - 液体混合物; 使所述固液混合物分离,得到包含所述油和所述有机溶剂的液相和包含所述固体基质的固相; 从所述液相中回收所述有机溶剂。

    Process for the recovery of oils from a solid matrix
    8.
    发明授权
    Process for the recovery of oils from a solid matrix 有权
    从固体基质中回收油的方法

    公开(公告)号:US08920637B2

    公开(公告)日:2014-12-30

    申请号:US13578275

    申请日:2011-02-08

    IPC分类号: C10G1/04 C10G1/00

    摘要: Process for the recovery of oils from a solid matrix comprising: subjecting said solid matrix to extraction by mixing with at least one organic solvent having a boiling point lower than or equal to 160° C., preferably ranging from 60° C. to 140° C., operating at a temperature ranging from 5° C. to 40° C., preferably ranging from 15° C. to 30° C., and at atmospheric pressure (1 atm), obtaining a solid-liquid mixture; subjecting said solid-liquid mixture to separation, obtaining a liquid phase comprising said oils and said organic solvent and a solid phase comprising said solid matrix; recovering said organic solvent from said liquid phase.

    摘要翻译: 用于从固体基质中回收油的方法,包括:使所述固体基质与至少一种沸点低于或等于160℃,优选在60℃至140℃的有机溶剂混合进行萃取 在5℃至40℃,优选15℃至30℃和大气压(1atm)的温度下操作,得到固体 - 液体混合物; 使所述固液混合物分离,得到包含所述油和所述有机溶剂的液相和包含所述固体基质的固相; 从所述液相中回收所述有机溶剂。