Ammoniac waters of coke-chemical production, including ammonia-tar liquor and condensate of primary gas coolers, are made up more than 50 % of total effluent of catching chemical products department. Ammoniac waters contain impurities of aromatic tars and oils (coal tar substances) in the number of 300 - 2200 mg/l. The presence of tars and oils in ammoniac waters complicates their further processing, reduces the effectiveness of technological processes, contaminates equipment with tar deposits. The gravitational method can not provide effective purification of ammoniac waters from fine disperse tar particles which radius is smaller than 20 microns. Therefore, for enlargement of tar phase particles the coalescence was suggested. In earlier works it was proved that mineral fiber material of diabase group leads to increased sizes of disperse particles of coal tars and oils, and redistribution of the fraction in the direction of larger particles. The effect of coalescence is 75 - 78 % depending on the temperature, flow rate, packing density of mineral fiber material. It is shown that preliminary processing of ammoniac water by passing it through a coalescing filter intensifies the gravitational settling of coal tar impurities in the settling tanks. Based on theoretical and experimental studies it is suggested to include a coalescing filter on coke-chemical plants technological scheme of ammoniac water purification from coal tar impurities. In the present technological scheme the process of coalescence is auxiliary. However, due to a coalescing filter high efficiency of ammoniac water purification can be provided. Coalescence method can be attributed as a regenerative method, as during the processes tar water emulsion is separated into two phases, one of which is tar. Recycling of tar can be an additional economic achievement in implementation of this method.

Structural compositional polymeric materials are one of the most common materials of present time. The basis of polymeric matrix of these materials are different polymers. Production of polymers is a compound process that determines their high cost. Having regard to the high demand for polymeric composites the search of cheaper ones is very actual today. Coal tar pitch is a unique product with a rich set of properties, among which are polymeric ones. Coal tar pitch is cheaper than classical polymers and it characterized by resistance to acids, alkalis, water, does not put on biodestruction under the influence of various microorganisms, has low thermal conductivity. Modification of coal tar pitches provides a wide opportunity to adjust and change their properties. This opens a new direction - the use of coal tar pitch chemical potential for creating the disperse-filled compositional polymeric materials. Past studies have shown the possibility of active influence on polymeric properties of coal tar pitch by modifying with chemical additives such as polyvinyl chloride and polymer of polyolefin line with intergrafted functional groups. The results of thermochemical and structural changes indicate that between coal tar pitch and modifiers the chemical and physico-chemical interaction takes place. Reactions of polymerization and polycondensation leads to the structuring of coal tar pitch, increasing the strength of structure, thermal stability. The obtained pitch composite has relatively high mechanical properties and thermal stability. The obtained material for all parameters can be attributed to the hard-burning polymer composite what gives it a cogent advantage comparably to thermoplastic polymers. Tests of modified coal tar pitch as a polymer matrix showed that it can successfully compete with classical polymers in order to create compositional materials.