Document NeEXo1KYkdmz4dNaM4QORLK3p

Robert N, Bannon Un. G. Krunmrich Plant October 5, 1977 DISPOSAL OF WGK ALKALI INSOLUBLES STREAM V* * Basile D . M etherd r m Watson H. Yapp B. W. Eley - A2SC M. A. Pierle - EISA Please review the attached proposal for disposal of alkali insoluble waste. This proposal has been reviewed and is supported by appropriate WGK plant personnel. In addition to the reasons cited in the proposal for select ing landfilling as the best route of disposal, the uncertain future of Pentachlorophenol manufacture iron which'these by products are formed, should be weighed heavily. I suggest that we look at this plan as an interim solution which should be reviewed in one year should we still be in the Penta business. Timing for this project is rather tight. I am targeting 10/12/77 for submitting this AR to the Manufacturing Manager. Your comment, prior to that date are essential for a smooth flowing p*roject. Thank you in advance for your help in this natter. I am looking forward to meeting you both and working with you now and in,the future. /lr attachmen t C o n f i d e ^ - !- O *. Ci-Lfn A* Robert N. Bannon U /o -/c - T / H. G. Ya? p - Vn:. G. Krur.mrich Plane October 3, 1977 . R. N . 3annon G . R. Davis MINUTES MEETING TO DISCUSS DISPOSAL ALKALI INSOLUBLES -- DEPT. 227 P. E. Heisier D. J. Metherd W. r Scruggs V. L. Snu 11 Th os e Present: E. J. Hasile J. Wolfsberger - G. R. Davis H. Yapp J. A. Lab anosky - A meeting was held Septe-ber 13, 1977 at 2:00 p.m. TR #3 Bldg. EK to discuss plans for disposing of the alkali insolubles, which have been accumulating in the cone bottom separator (Item 401, Dept. 227). Based on experience, the cone bottom part of the settler fills up in about six months. This amounts to 187 ft of solids or about 1400 gals (i.e. approx, a drum per week of solids, dry basis). It has been the practice to dispose of these solids by opening a 3M gate valve on the bottom of the cone, probing down through the solids with a steam sparger until an opening is made through to the bottom outlet, and using a water hose (sometimes a high pressure hose) the solids are washed out the bottom outlet and on to the sewer. It has been determined that these solids contain dioxins. An analysis of this mud gave the following results: l Octachlorodioxin 12X, heptachlorodioxin 1.8%, hexachlorodioxin -4352 ppm pentachlorodioxinAl77.ppm, tetrachlorodioxin 4 13 ppm. These lower chlorinated dioxins, if actually present are quite toxic. The higher chlorinated ones are non-biodegradable. For these reasons the above described method of disposal is no longer acceptable. PROPOSED DISPOSAL METHOD As a result of the discussions and subsequent investigations, the following method is recommended for the removal of the solids- that are present accumulated in the settler. The procedure for drumming the solids preparatory to landfilling is outlined below in a stepwise manne 1 . Install a 3" air cylinder operated sliding gate valve on the bottos of the present 3" gate valve that is on the bottom of the settler. Connect instrument air to the cylinder actuator so that the valve can be opened and closed from the approx. 4 ft. high platform local onthewestsideofthesettler. Meet! g zo Discuss Disposal Alkali Insolubles Deo-. 22 _ 9/30/77 2. Pipe up the 1" side nozzle which presently tees into the sice of the 3" bottom, nozzle sc that either SO psig see art or water can be blown or washed up into the bottom of the settler from the platform. 3. When the tank is ready for draining and using a 2 wheel barrel dolly, place an open top 55 3al. barrel (v DOT 5Bi Code No. .93223) under the bottom outlet and withdraw the dolly. There will. be approx. 6" of clearance between- the top of the barrel and the valve on the bottom of the tank. 4. With the air cylinder actuated sliding gate valve closed open the manual gate valve from the platform (10 to 12 ft, away). Open the automated sliding gate valve and observe if the material flows into the arum. When the drum is full, close the valve, clamp the cover on the drum and replace it with an empty one. When the material does not flow out, close the valve and blow back up into the tank with steam or wash up into it with water. If necessary to work from the top of the tank with the bo11om valve open, a second man should be stationed on the platform to close the valve when the drum is ful Continue with the steam sparging, washing/slurring and draining into the drums until the tank is empty. Opening and closing the bot valve and/or blowing with steam and washing with water at the bottom should be done from the platform at a distance of 10 to 12 ft. Use as little water as possible. Filled drums can be* stored on pallets until they can be shipped. ALTERNATE DISPOSAL METHODS Other proposals.for handling this material were considered. Briefly these involved drumming the material and holding for incineration. Thedrumming to be accomplished either by slurring up the mud like solids and pumping into drums, or washing and dropping the sludge through the bottom nozzle into a fabricated box designed for devatering and then shoveling the solids into drums. It was felt that both of these methods increased the potential for exposure, either in the shoveling operation, or in the possibility of having to unplug, plugged pipe lines. It was not considered advisable to store for incineration in the new incinerator to be built by I960, unless absolutely necessary. The new incinerator will no doubt be running at capacity for some time burning other accummulated wastes. In any event a burning test will be necessary to determine, requirements for eventually incinerating thes e wastes. Minutes of Meeti z to Discuss Disposai Alkali Insolubles Dent. 227 -3" 9/30/77 TIMING Frank J. Basile is obtaining clearance for landfilling this material. Approval is expected by October 31, 1977. R. C. Pfiefle is obtaining Department of Transportation clearance for shipping this material (rated as a Class B poison) in DOT approve'd drums. Review with MIC Energy and Environmental and with Medical and Environ mental Health for their concurrence by October 7, 1977. Delivery on the air cylinder operated sliding gate valve is 2-3 weeks Completion of the overall installation by mid November, 1977 will require overtime. Total cost $5,000. H . G %f^Lzyp/ /lr