Gansu Academy of Membrane Science and Technology

Lanzhou, China

Gansu Academy of Membrane Science and Technology

Lanzhou, China

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Yu X.,Lanzhou University | Yu X.,Gansu Academy of Membrane Science and Technology | Yu X.,China University of Mining and Technology | Jiang Y.,Lanzhou University | And 9 more authors.
Bioresource Technology | Year: 2016

Inorganic nitrogen and heavy metals pervasively co-exist in industrial and domestic wastewaters. In this work, Pseudomonas brassicacearum LZ-4 was tested for the simultaneous reduction of Cr(VI) and nitrate. Nitrate was found to be the best inorganic nitrogen source for strain LZ-4, and could promote Cr(VI) reduction. Cr(VI) had a low degree of inhibition on denitrification, and even 50 mg L−1 Cr(VI) did not inhibit reduction of 100 mg L−1 NO3 −-N. The capability of simultaneous reduction of Cr(VI) and nitrate was illustrated by the reductase genes contained in the LZ-4 genome. Application in a batch membrane bioreactor showed that the immobilized strain LZ-4 could remove over 95% of 500 mg L−1 NO3 −-N, 80% of 10 mg L−1 Cr(VI), and 96% of 5000 mg L−1 COD in each batch of 46 days. In summary, the strain LZ-4 is an ideal candidate for remediation of co-contaminants. © 2016


PubMed | China University of Mining and Technology, Lanzhou University, Lanzhou Petrochemical Company and Gansu Academy of Membrane Science and Technology
Type: | Journal: Bioresource technology | Year: 2016

Inorganic nitrogen and heavy metals pervasively co-exist in industrial and domestic wastewaters. In this work, Pseudomonas brassicacearum LZ-4 was tested for the simultaneous reduction of Cr(VI) and nitrate. Nitrate was found to be the best inorganic nitrogen source for strain LZ-4, and could promote Cr(VI) reduction. Cr(VI) had a low degree of inhibition on denitrification, and even 50mgL


Xu R.,Gansu Academy of Membrane Science and Technology | Xu R.,Lanzhou University | Zheng Z.,Gansu Academy of Membrane Science and Technology | Zheng Z.,Lanzhou University | Jiao G.,Gansu Academy of Membrane Science and Technology
Recent Patents on Food, Nutrition and Agriculture | Year: 2014

Genetically modified organisms (GMOs), are gaining importance in agriculture as well as the production of food and feed. Along with the development of GMOs, health and food safety concerns have been raised. These concerns for these new GMOs make it necessary to set up strict system on food safety assessment of GMOs. The food safety assessment of GMOs, current development status of safety and precise transgenic technologies and GMOs detection have been discussed in this review. The recent patents about GMOs and their detection methods are also reviewed. This review can provide elementary introduction on how to assess and detect GMOs. © 2014 Bentham Science Publishers.


PubMed | Gansu Academy of Membrane Science and Technology
Type: Journal Article | Journal: Recent patents on food, nutrition & agriculture | Year: 2015

Genetically modified organisms (GMOs), are gaining importance in agriculture as well as the production of food and feed. Along with the development of GMOs, health and food safety concerns have been raised. These concerns for these new GMOs make it necessary to set up strict system on food safety assessment of GMOs. The food safety assessment of GMOs, current development status of safety and precise transgenic technologies and GMOs detection have been discussed in this review. The recent patents about GMOs and their detection methods are also reviewed. This review can provide elementary introduction on how to assess and detect GMOs.

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