• (PDF) Isolation of Pesticide Degrading

    Pesticide degrading isolates were selected from isol ates which developed clear zone surrounding their colonies when grown on NA supplemented with 25, 50 and 100 ppm of the pesticide.

  • COD degradation bacteria Yixing Cleanwater

    COD DEGRADATION BACTERIA 【 Character of commodity 】 Powder 【Main ingredients】 Calcium acetate Acinetobacter , Bacillus , Efficient bioflocculant bacterium , Saccharomyces , Micrococcus , Enzyme and nutritional agents. 【Viable bacteria content】 ≥20 billion/g 【Range of application】 Municipal sewage treatment , kinds of chemical wastewater , dying wastewater , landfill leachate ...

  • Progress of Treatment Technologies for Organic ...

    Organic phosphorous pesticide wastewater is characteristic of high value of COD,strong toxicity,poor biodegradability,complicated constituents.Therefore,effective treatment of the wastewater is required before discharge.The biochemical treatment including ...

  • Organophosphorus Hydrolase (OpdB) of Lactobacillus

    2019-12-12  Lactobacillus brevis WCP902 that is capable of biodegrading chlorpyrifos was isolated from kimchi. The opdB gene cloned from this strain revealed 825 bp, encoding 274 aa, and an enzyme molecular weight of about 27 kDa. OpdB contains the same Gly-X-Ser-X-Gly motif found in most bacterial and eukaryotic esterase, lipase, and serine hydrolases, yet it is a novel member of the GDSVG family

  • Low-temperature resistant bacteria Yixing Cleanwater ...

    Ammonia degrading bacteria COD Degradation bacteria [email protected] bacteria agent pesticide degrading bacteria agent Oil removal bacteria agent Chemical Sewage Degrading Bacteria Agent Splitting Bacteria Low-temperature resistant bacteria CW-01

  • SELECTIVE ISOLATION OF A GRAM NEGATIVE

    NEGATIVE CARBAMATE PESTICIDE DEGRADING BACTERIUM FROM BRINJAL CULTIVATED SOIL Dilara Islam Sharif and Mithun Mollick Biotechnology and Genetic Engineering Discipline, School of Life Sciences, Khulna University, Khulna-9208, Bangladesh Received 2013-08-30, Revised 2013-09-02; Accepted 2013-09-24 ABSTRACT

  • Aerobic bacteria agent Yixing Cleanwater Chemicals

    AEROBIC BACTERIA AGENT 【Character of commodity】 Powder 【Main ingredients】 Th e bacterium agent consists of the bacilli and cocci which can form spores (endospores). 【Living bacteria content】 ≥20 billion/g 【Range of application】 Suitable for the hypoxia system of municipal waste water treatment plants, all kinds of industry chemical waste water, printing and dyeing waste water ...

  • (PDF) A review of bacterial degradation of pesticides

    An atrazine-degrading bacterium, identifed as Arthrobacter nicotinovorans, was isolated from Himatangi soil exhibiting enhanced rates of atrazine-mineralisation activity. View full-text Article

  • Anaerobic bacteria agent Yixing Cleanwater Chemicals

    Anaerobic bacteria agent 【Character of commodity】 Powder 【Main ingredients】 Methanogenes , pseudomonas , lactic acid bacteria, saccharomycetes activating agent and so on. 【Living bacterium content】 ≥20 billion/g 【Range of application】 Suitable for the hypoxia system of municipal waste water treatment plants, all kinds of industry chemical waste water, printing and dyeing ...

  • Ammonia degrading bacteria Yixing Cleanwater

    AMMONIA DEGRADING BACTERIA 【Appearance】 Powder 【Main ingredient】 Pseudomonas , Bacilli , nitrification bacteria and denitrification bacteria corynebacterium , chromobacter , alcaligenes , agrobacterium , arthrobacterium and other bacterias. 【Viable Vibrio】 ≥20 billion/g 【Application】 T his product is suitable for municipal wastewater treatment , chemical wastewater , dyeing ...

  • Frontiers of Environmental Science Engineering

    2020-2-19  ISSN 2095-2201N (Print) ISSN 2095-221X (Online) CN 10-1013/X Postal Subscription Code 80-973 原刊名 Frontiers of Environmental Science Engineering in China 2018 Impact Factor: 3.883

  • bacteria to remove oil Manufacturers and Suppliers

    Contact Now Cod Degradation Bacteria for Chemical Wastewater Dying Wastewater Landfill Leachate Foods Wastewater and So On COD DEGRADATION BACTERIA 【Character of commodity】 Powder 【Main ingredients】 Calcium acetate Acinetobacter , Bacillus , Efficient bioflocculant bacterium , Saccharomyces , Micrococcus , Enzyme and nutritional agents ...

  • enhancement of pyridine degradation by

    A high-efficiency-degrading bacterium with pyridine as a sole carbon, nitrogen and energy source was isolated from the activated sludge of a CWW treatment plant. The homology analysis based on 16S rDNA sequences showed that KDPy1 belongs to Rhodococcus sp. The optimum temperature and initial pH for pyridine degradation by KDPy1 were 37°C and 7 ...

  • Toxicity and Microbial Degradation of Nitrobenzene ...

    Nitrobenzene and its derivatives (NBDs) are highly toxic compounds that have been released into the environment by anthropogenic activities. Many bacteria and fungi have been well-characterized for their ability to degrade NBDs. The biochemical and molecular characterization of the microbial degradation of NBDs has also been studied. In this review, we have summarized the toxicity and ...

  • Exploring bacterial communities and biodegradation

    The AS of the pesticide WWTPs exhibited unique bacterial taxa at the genus level. Among the top 50 dominant genera observed in this study, most of the genera were distinct between industrial AS and municipal AS, such as Methyloversatilis, Pseudomonas, and Sphingobium (Zhang et al., 2012; Gao et al., 2016).The potential biodegradability of these bacterial genera has been reported for different ...

  • (PDF) Environmental Protection Strategies: An Overview

    alternative to chemical decomposition process that could help reduce water con- sumption compared to physicochemical treatment methods (V erma and Madamwar 2003 ; Rai et al. 2005 ).

  • Combining chemical oxidation and bioremediation for ...

    Chemical oxidation facilitated the following bioremediation with providing low molecular TPHs. • BC addition increased pH value and total organic carbon concentration of soil. • BC addition protected microbial abundance and metabolic activities after chemical oxidation. • TPHs-degrading bacterium increased with time in the BC-nZVI ...

  • cocoa pod husk: Topics by Science.gov

    Potential use of chicken egg shells and cacao pod husk as catalyst for biodiesel production. NASA Astrophysics Data System (ADS) Andherson, T.; Rachmat, D.; Risanti, Doty D. 2018-04-01. Chicken eggshells and cacao pod husk are known as waste materials that can be used to produce catalyst of CaO and K2CO3, respectively. Waste cooking oil (WCO) is an alternative raw material to produce ...

  • Frontiers of Environmental Science Engineering

    2020-4-15  封面图片 2020年, 第14卷 第1期 This article explains the adsorption, uptake and transmembrane transport of polycyclic aromatic hydrocarbons (PAHs) by bacteria; the regulation of membrane protein function during the transmembrane transport; and ...

  • Toxicity and microbial degradation of nitrobenzene ...

    2019-11-30  Davis et al. [69] isolated an aerobic bacterium, Pseudomonas vesicularis, from soil contaminated with 2,4,6-trinitrotoluene and 1,3,5-trinitrobenzene (TNB). This bacterium used TNB as its nitrogen source and transformed it to nitrobenzene via dinitroaniline, dinitrobenzene, and nitroaniline. 3.4. Microbial Degradation of PCNB.

  • Toxicity and microbial degradation of nitrobenzene ...

    2019-11-30  Davis et al. [69] isolated an aerobic bacterium, Pseudomonas vesicularis, from soil contaminated with 2,4,6-trinitrotoluene and 1,3,5-trinitrobenzene (TNB). This bacterium used TNB as its nitrogen source and transformed it to nitrobenzene via dinitroaniline, dinitrobenzene, and nitroaniline. 3.4. Microbial Degradation of PCNB.

  • Isolation and Growth Characteristics of Chromium(VI)

    位置: 8600 Rockville Pike, Bethesda, MD
  • The Microbiology of Olive Mill Wastes - PubMed

    位置: 8600 Rockville Pike, Bethesda, MD
  • 插件8:拼写检查_dearbaba_1666的博客-CSDN博客_oink怎么读

    2018-6-27  

  • Metagenomics Shows That Low-Energy

    2019-5-26  Effective domestic wastewater treatment is among our primary defenses against the dissemination of infectious waterborne disease. However, reducing the amount of energy used in treatment processes has become essential for the future. One low-energy treatment option is anaerobic–aerobic sequence (AAS) bioreactors, which use an anaerobic pretreatment step (e.g.,

  • Cod Degradation Bacteria for Chemical Wastewater

    COD DEGRADATION BACTERIA 【Character of commodity】Powder 【Main ingredients】Calcium acetate Acinetobacter , Bacillus , Efficient bioflocculant bacterium , Saccharomyces , Micrococcus , Enzyme and nutritional agents. 【Viable bacteria content】≥20 billion/g 【Range of application】Municipal sewage treatment , kinds of chemical wastewater , dying wastewater , landfill leachate ...

  • ISSN 1001–0742 Journal of Environmental Sciences

    Biodegradation of organochlorine pesticide endosulfan by bacterial strain Alcaligenes faecalis JBW4 Lingfen Kong, Shaoyuan Zhu, Lusheng Zhu, Hui Xie, Kunchang Su, Tongxiang Yan, Jun Wang, Jinhua Wang, Fenghua Wang, Fengxia Sun 2257 Bioaugmentation with a pyridine-degrading bacterium in a membrane bioreactor treating pharmaceutical wastewater

  • European Commission - Science for Environment

    2020-1-30  Several mitigation techniques can greatly reduce spray drift pollution from pesticide spraying in agricultural systems, shows a new study. Researchers tested the effectiveness of several strategies; results ranged from a 38% reduction in spray drift using low-drift equipment to a 98% reduction when hedgerows are present alongside fields.

  • EDCs_图文_百度文库

    Effects of pesticide and natural organic matter characteristics on pesticide breakthrough curves. Environ Sci Technol 2002b;36(15):3432–8. S CIE N CE OF T H E TOT AL E N V I RO N ME N T 4 0 7 ( 2 00 9 ) 7 3 1–7 48 747 Mocarelli P, Brambilla P, Geryhoux PM, Patterson DJ, Needham LL.

  • EDCs_图文_百度文库

    Effects of pesticide and natural organic matter characteristics on pesticide breakthrough curves. Environ Sci Technol 2002b;36(15):3432–8. S CIE N CE OF T H E TOT AL E N V I RO N ME N T 4 0 7 ( 2 00 9 ) 7 3 1–7 48 747 Mocarelli P, Brambilla P, Geryhoux PM, Patterson DJ, Needham LL.

  • Special Policy Study: Environmental Issues and ...

    2006-11-10  It also reveals that Chemical Oxygen Demand (COD), Total Nitrogen (TN) and Total Phosphorus ... which can reduce dosage of chemical fertilizer and pesticide

  • World Researchers Associations

    Temperature based pre-treatment techniques are generally being used to eliminate these ANFs, to reduce the oil degrading enzyme activity and to improve the oil quality. However, physiochemical properties like free energy enthalpy and entropy of oilseeds usually

  • Wetlands for wastewater treatment - Ghimire - 2019 -

    Wetlands for Wastewater Treatment. Constructed wetlands (CWs) mimic the simultaneous physical, chemical, and biological processes occurring in natural wetlands for wastewater treatment purposes (Wu et al., 2018).This section summarizes studies performed on the use of CWs for water and wastewater treatment to remove a variety of pollutants.

  • Pesticide Study Series - 1: a Catalog of Research in ...

    ----- PESTICIDE STUDY SERIES - 1 A CATALOG OF RESEARCH IN AQUATIC PEST CONTROL AND PESTICIDE RESIDUES IN AQUATIC ENVIRONMENTS This catalog is the result of Contract No. 68-01-0349 awarded by the OWP, as part of the Pesticides Study (Section 5(l)(2) P.L. 91-224) to the Smithsonian Science Information Exchange, Inc.

  • Recent Advancement on Bioaugmentation Strategies

    Sharma A, Thakur IS (2009) Identification and characterization of integron mediated antibiotic resistance in pentachlorophenol degrading bacterium isolated from the chemostat. J Environ Sci 21(6):858–864.

  • Biphenyl-Metabolizing Microbial Community and a

    2019-7-31  Primitive electronic waste (e-waste) recycling activities release massive amounts of persistent organic pollutants (POPs) and heavy metals into surrounding soils, posing a major threat to the ecosystem and human health. Microbes capable of metabolizing POPs play important roles in POPs remediation in soils, but their phylotypes and functions remain unclear. Polychlorinated biphenyls

  • Journal of Hazardous Materials - Earthinsight

    ,Guidelines for Chemical Transportation Safety, Security and Risk Management 2nd ed. (2008) Center for Chemical Process Safety, AIChE, Wiley Son,Hoboken, NJ 978-0-471-78242-1 194 pp. plus CD-ROM, Price: US$ 125.00. 6.

  • Recent advances in the environmental applications of ...

    2012-11-6  Chemical oxygen demand (COD) and 4-CP, biomass and substrate removal were monitored. In the presence of the biosurfactant, lower transient times to steady state were obtained and lower sludge ages (b15 days) could be used.

  • Combined biological and advanced oxidation process

    The present study evaluated the efficiency of combined biological and AOPs treatment (Bio–AOP) using Aeromonas hydrophila SK16 and AOPs-H2O2 (4%) for the remediation of the textile dyes. Bio–AOP treatment showed 100% decolorization of Reactive Red 180 (RR 180), Reactive Black 5 (RB 5) and Remazol Red (RR), while 72% decolorization was observed in individual treatments.