Wastewater

The wastewater to which the proposed standard applies is any organic HAP-containing water or process fluid discharged into an individual drain system. This wastewater includes process wastewater, maintenance-turnaround wastewater, and routine and routine-maintenance waste-water. Examples of process wastewater streams include those from process equipment, product or feed tank drawdown, cooling water blowdown, steam trap condensate, reflux, and fluid drained into and material recovered from waste management units. Examples of maintenance-turnaround wastewater streams are those generated by the descaling of heat exchanger tubing bundles, cleaning of distillation column traps, and draining of pumps into individual drain system. A HAP-containing wastewater stream is a wastewater stream that has a HAP concentration of 5 parts per million by weight (ppmw) or greater and a flow rate of 0.02 liters per minute (lpm) or greater.

The proposed process water provisions include equipment and work practice provisions for the transport and handling of wastewater streams between the point of generation and the wastewater treatment processes. These provisions include the use of covers, enclosures, and closed-vent systems to route organic HAP vapors from the transport and handling equipment. The provisions also require the reduction of volatile organic HAP (VOHAP) concentrations in wastewater streams.

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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