Photodegradation Systems Sample Clauses

Photodegradation Systems. There is another option for solar hydrogen production that does not involve the evolution of oxygen. In this case an organic substrate, which may be a pollutant, is used as the sacrificial donor in a reduction half reaction. There is no net energy storage (indeed most of these reactions are exergonic), but hydrogen is produced at the same time as a surplus or even polluting organic compound is oxidized. For example, the reaction CH3COOH(aq) + O2 ⎯⎯→ 2 CO2 + 2 H2 (7) is exergonic by 392.3 kJ but the fuel value of the H2 produced is 474 kJ. The process involves the conversion of one fuel (CH3COOH, with a fuel value of 866 kJ) into another fuel (2 H2, with a fuel value of 474 kJ). The potential added value is in the destruction of a pollutant. For example, UV light (and also sunlight) is now used to oxidize organic pollutants to CO2 and H2O. It may be possible to modify these processes so that hydrogen would be produced as a byproduct.
Sample 1
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Photodegradation Systems. By using solar energy to couple hydrogen evolution to the photodegradation of organic pollutants, value is added to the photodegradation process. The use of UV or solar light to destroy organic pollutants in contaminated waters is quite expensive, with treatment costs varying between $1 and $50 per kg of pollutant removed. If hydrogen could be evolved at the same time as organic pollutants are photodegraded, considerable value could be added to the process. This option has not been pursued very much in the literature, but, in my opinion, it deserves to be examined in considerable detail.
Sample 1

Related to Photodegradation Systems

  • Irrigation Systems The Project Area either has no irrigation system or a low-volume drip irrigation system. If a watering system is used, it is a drip irrigation system equipped with a filter, pressure regulator and emitters rated at twenty (20) gallons per hour (gph) or less. The system is maintained free of leaks and malfunctions. No spray irrigation is applied to the Project Area, including spray from irrigation systems adjacent to the Project Area.

  • Infrastructure Vulnerability Scanning Supplier will scan its internal environments (e.g., servers, network devices, etc.) related to Deliverables monthly and external environments related to Deliverables weekly. Supplier will have a defined process to address any findings but will ensure that any high-risk vulnerabilities are addressed within 30 days.

  • Unbundled Sub-Loop Concentration System (USLC 2.9.1 Where facilities permit and where necessary to comply with an effective Commission order, BellSouth will provide <<customer_name>> with the ability to concentrate its sub-loops onto multiple DS1s back to the BellSouth Central Office. The DS1s will then be terminated into <<customer_name>>’s collocation space. TR-008 and TR303 interface standards are available.

  • Connectivity User is solely responsible for providing and maintaining all necessary electronic communications with Exchange, including, wiring, computer hardware, software, communication line access, and networking devices.

  • Subloop Elements 2.8.1 Where facilities permit, BellSouth shall offer access to its Unbundled Subloop (USL) elements as specified herein.

  • Transmission System Operation The NTO shall be responsible for ensuring that all actions related to the operation, maintenance and modification of its facilities that are designated as NTO Transmission Facilities Under ISO Operational Control and NTO Transmission Facilities Requiring ISO Notification are performed in accordance with the terms of this Agreement, all Reliability Rules and all other applicable reliability rules, standards and criteria, all operating instructions, ISO Tariffs, and ISO Procedures.

  • Information Systems The Official Agency in conjunction with the Authority will meet the relevant requirements of Articles 131 to 136 of Regulation (EU) 2017/625 and Implementing Regulation (EU) 2019/1715 as appropriate to the Official Agency. The Official Agency shall record appropriate data in the Official Agency Premises Inspection database (OAPI), which will be further developed over the life of the contract. Data should be entered into the database on an ongoing basis but shall be entered within one month of the activity taking place, unless otherwise agreed with the Authority.

  • Communication Systems The Parties agree to share the use of communication systems, radios and radio frequencies for the implementation of this Agreement. Sharing of frequencies must be approved only by authorized personnel for each Party and documented in the AOP.

  • System Logging The system must maintain an automated audit trail which can 20 identify the user or system process which initiates a request for PHI COUNTY discloses to 21 CONTRACTOR or CONTRACTOR creates, receives, maintains, or transmits on behalf of COUNTY, 22 or which alters such PHI. The audit trail must be date and time stamped, must log both successful and 23 failed accesses, must be read only, and must be restricted to authorized users. If such PHI is stored in a 24 database, database logging functionality must be enabled. Audit trail data must be archived for at least 3 25 years after occurrence.

  • Infrastructure (a) The Borrower has and will maintain a sufficient infrastructure to conduct its business as presently conducted and as contemplated to be conducted following its execution of this Agreement.

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