Trash, cotton gin

Cotton dyes Cotton fabric Cotton gin trash Cotton linters... 

Metal Cotton gin trash Orchard pmnings Vineyard pmnings Wood-fired boilers ... 

FQ. Bramble, S. Frizzell, S.W George, B.A. Peterson, D.D. Ranken, J.J. Stry, and A.R. Sumpter, DuPont Project Identification AMR 3954-96 Proposed Analytical Enforcement Method For the Determination of Pyiithiobac Sodium in Cotton Gin Trash Using ASE Extraction and LC/MS/MS Analysis, Dupont, Wilmington, DE (1997). 

Preparation of Other Antigenic Materials. Cotton plant tissues (stem, leaf, burr), cotton gin trash, baled cotton, clean cotton lint, both hand picked in the field and from plants grown in the greenhouse, cottonseed proteins, cottonseed hulls, house dust, and flax, soft hemp, sisal, and jute fibers, were extracted with deionized water. The purification process was, however, stopped to correspond to f-3 (see Figure 1). 

Cotton gin trash Orchard prunings Vineyard prunings Wood-fired boilersb... 

The successful operation of this system demonstrated the potential for heat recovery from incineration of cotton gin trash. At a 30% recovery ratio, enough heat can be recovered from the incineration process to supply most of the energy required for seed cotton drying, even in low-capacity gins (Table IX). Only the size and volume of the ginning operation will dictate whether such recovery will be economically feasible. 

The major routes of exposure are through the skin and inhalation. Protective clothing must be worn to prevent skin exposure. Animals can also be exposed by eating contaminated cotton leaves or cotton gin trash. 

Leaves and vines must also be shredded for densification. Mint straw, hop vines, cotton gin trash and municipal refuse can be coarsely cut and cubed with dry materials when possible. 

Gasification of Oak Sawdust, Mesquite, Corn Stover, and Cotton Gin Trash in a Countercurrent Fluidized Bed Pilot Reactor... 

This paper reports the results of a comparison of the gasification of various biomass residues in the Synthesis Gas From Manure (SGFM) pilot plant. The residues evaluated include oak sawdust, mesquite, corn stover, and cotton gin trash. The SGFM process is based on a countercurrent, fluidized bed reactor. In this system, biomass is fed to the top of the reactor. As a result, the fresh feed is partially dried by direct contact with hot product gas prior to entering the reaction zone. This process has been described in detail by various researchers (1-4). 

Cotton gin trash was obtained in pelletized form from American Cotton Growers. Crosbyton Gin Division in Crosbyton, Texas. The gin trash was pelletized with no binder added. Figure IV gives the particle size distribution of the cotton gin trash. 

Figure 4. Particle size distribution of cotton gin trash...

The ash content of the char and cyclone fines supports the conclusion that the gin trash char underwent steam gasification. Table II shows the ash content from the various runs. The high ash content of the char from cotton gin trash indicates a high degree of conversion to gas. 

Additional evidence indicating lack of fluidization of the large gin trash pellets appeared when the bottom flange of the reactor was removed. With manure, sawdust, mesquite, and com stover, the reactor was empty at the conclusion of each run. With pelleted cotton gin trash, a buildup of ash was found on the distributor plate. This means that the pelleted gin trash could not be used in the SGFM reactor on a continuous basis. 

Cotton gin trash was the least favorable of the feedstocks in terms of handling. The formation of clinkers within the reactor is a serious problem, one which cannot be solved in the present system. The bottom flange of the reactor must be taken off in order to remove clinkers from the reactor. This situation is not conducive to any continuous operation process. 

The effect of average reactor temperature on product gas yield from cotton gin trash is not as pronounced as that for the other feedstocks. Char buildup in the bottom of the reactor creates this effect, as a long residence time allows for increased heat transfer and as a result, increased conversion of the feedstock to product gas. Low product gas yields from mesquite at low temperatures are probably a result of a low gasification rate. As temperature is increased, product gas rate increases sharply. The sharp rise in product gas rate at elevated temperature is probably due to the breakup of lignin which was not converted to product gas at lower temperatures. 

Table III. Weighted Comparieon of Corn Stover, Oak Sawdust Cotton Gin Trash, and Mesquite...

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